|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

|  | F01 - F04 |
Subsection index
MACHINES |
positive displacement |
rotary or oscillating piston |
liquid and elastic fluid or elastic fluid | F01C
liquid only | F04C
reciprocating piston or other |
liquid and elastic fluid or elastic fluid | F01B
liquid only | F04B
non-positive displacement |
liquid and elastic fluid or elastic fluid | F01D
liquid only | F03B
ENGINES |
positive displacement |
rotary or oscillating piston |
liquid and elastic fluid or elastic fluid | F01C
liquid only | F03C
reciprocating piston or other |
liquid and elastic fluid or elastic fluid | F01B
liquid only | F03C
non-positive displacement |
liquid and elastic fluid or elastic fluid | F01D
liquid only | F03B
PUMPS |
positive displacement |
rotary or oscillating piston | F04C
reciprocating piston or other | F04B
non-positive displacement | F04D

ENGINEERING IN GENERAL

|  | F16 |
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

|  | F16B |
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING (couplings for transmitting rotation Fulltext... Hierarchy... Expanded...F16D)

|  | F16B |
2. Note(s) Attention is drawn to: the Note following group Fulltext... Hierarchy... Expanded...E04B 1/38; [5] the following places:
   Fulltext... Hierarchy... Expanded...A44B | Buckles, slide fasteners |
   Fulltext... Hierarchy... Expanded...A47G 3/00 | Ornamental heads for nails, screws, or the like |
   Fulltext... Hierarchy... Expanded...B42F 3/00 | Means, not using staples, for attaching sheets temporarily together |
   Fulltext... Hierarchy... Expanded...E01B 9/00 | Screws or bolts for railway sleepers |
   Fulltext... Hierarchy... Expanded...E01B 11/00 | Rail joints |
   Fulltext... Hierarchy... Expanded...E04 | Connections for building |
   Fulltext... Hierarchy... Expanded...E04D 13/04 | Clamping means for down pipes for roof drainage |
   Fulltext... Hierarchy... Expanded...E04F 13/21 | Fastening means specially adapted for covering or lining elements for buildings [8] |
   Fulltext... Hierarchy... Expanded...E04G 5/00 | Fastening scaffolds against buildings |
   Fulltext... Hierarchy... Expanded...E04G 7/00 | Scaffolding couplings |
   Fulltext... Hierarchy... Expanded...E05C | Bolts or fasteners for wings, specially for doors or windows |
   Fulltext... Hierarchy... Expanded...F16C 29/00 | Locking bearings for parts moving only linearly |
   Fulltext... Hierarchy... Expanded...F16G 17/00 | Hooks as integral parts of chains |
   Fulltext... Hierarchy... Expanded...F16L | Pipe joints |
   Fulltext... Hierarchy... Expanded...F16L 3/00 | Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets |
   Fulltext... Hierarchy... Expanded...F16L 33/02 | Clips for connecting hoses to rigid members |
   Fulltext... Hierarchy... Expanded...H01F 7/00 | Magnetic holding devices |
   Fulltext... Hierarchy... Expanded...H02N 13/00 | Electrostatic holding devices. |

|  | F16B |
Subclass index
TYPES OF FASTENING |
By: clamping, wedging | 2/00; 3/00
By: shrinking or force fit; sticking or pressing together; penetration of one member into a hole in another | 4/00; 11/00; 17/00
Fastening of plates, strips, bars, or tubes together or to flat surfaces | 5/00, 7/00, 9/00
For specific applications |
for furniture | 12/00
for fixing in walls | 13/00
by screw-thread modified in view of tensile load | 31/00
FASTENING MEANS |
General |
clamps; clips; wedges, keys | 2/00; 3/00
dowels | 13/00
other fastening means | 1/00, 45/00, 47/00
Without screw-thread |
nails, staples; bolts, pins, or rivets | 15/00; 19/00
locking stud-and-socket fastenings against axial movement | 21/00
With screw-thread |
screws; bolts, break-bolts, nuts | 25/00, 15/00, 27/00; 27/00, 31/00, 35/00, 37/00
features common to bolts and screws | 23/00, 27/00, 33/00
deformation of nut or equivalent while fastening; locking of screws, bolts, or nuts | 29/00; 39/00
Accessories for fastening means | 41/00, 43/00

|  | F16C |
SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS [5]

|  | F16C |
2. Note(s) In this subclass, the following expression is used with the meaning indicated: "rotary bodies other than gearing elements" covers any element which rotates so far as its features are affected only by the fact that it rotates. Attention is drawn to the following places:
   Fulltext... Hierarchy... Expanded...A01B 71/00 | Bearings for agricultural machines |
   Fulltext... Hierarchy... Expanded...B21B 31/00 | Adaptation of roll bearings for metal-rolling mills |
   Fulltext... Hierarchy... Expanded...B23Q 1/25 | Bearings for movable or adjustable work or tool supports |
   Fulltext... Hierarchy... Expanded...B61C 17/00 | Connecting-rods, bearings for driving wheels of railway locomotives |
   Fulltext... Hierarchy... Expanded...B61F 15/00 | Axle-boxes for railway vehicles |
   Fulltext... Hierarchy... Expanded...B62K 21/00 | Bearings for steering heads |
   Fulltext... Hierarchy... Expanded...E06B 9/17, Fulltext... Hierarchy... Expanded...E06B 9/24 | Bearings specially adapted for roller shutters or for roller blinds |
   Fulltext... Hierarchy... Expanded...E21B 10/08 | Bearings for drill bits |
   Fulltext... Hierarchy... Expanded...F01C 21/00 | Arrangement of bearings in rotary-piston machines or engines |
   Fulltext... Hierarchy... Expanded...F01D 25/16 | Arrangement of bearings in non-positive displacement machines or engines |
   Fulltext... Hierarchy... Expanded...F02C 7/06 | Arrangement of bearings in gas-turbine plants |
   Fulltext... Hierarchy... Expanded...G01C 19/00 | Bearings for gyroscopes |
   Fulltext... Hierarchy... Expanded...G01D 11/00 | Bearings or suspensions for moving parts of measuring instruments |
   Fulltext... Hierarchy... Expanded...G01G 21/00 | Arrangements of bearings in weighing apparatus |
   Fulltext... Hierarchy... Expanded...G01R 1/02 | Arrangements of bearings in instruments for measuring electric variables |
   Fulltext... Hierarchy... Expanded...G01R 11/00 | Arrangements of bearings for apparatus for measuring time integral of electric power or current |
   Fulltext... Hierarchy... Expanded...G02C 5/22 | Hinges for spectacles |
   Fulltext... Hierarchy... Expanded...G04B 31/00 | Bearings for clockwork |
   Fulltext... Hierarchy... Expanded...H02N 15/00 | Magnetic levitation devices. [5] |

|  | F16C |
Subclass index
FLEXIBLE TRANSMISSIONS, SHAFTS, AXLES, CRANKS, ECCENTRICS | 1/00, 3/00
CROSSHEADS, CONNECTING-RODS | 5/00, 7/00, 9/00
PIVOTS | 11/00
ROLLS, DRUMS, DISCS | 13/00
BEARINGS |
For rotatable parts | 13/00, 17/00 - 27/00
For linearly-movable parts | 29/00
For parts which both rotate and move linearly | 31/00
For crankshafts or connecting- rods | 9/00
Not otherwise provided for | 32/00
Supports; parts or accessories | 27/00, 35/00; 33/00, 41/00
Cooling; relieving load | 37/00; 39/00
MAKING, ASSEMBLING | 33/00, 43/00
CONSTRUCTION OF ROTATABLE BODIES TO RESIST CENTRIFUGAL FORCE | 15/00

|  | F16D |
COUPLINGS FOR TRANSMITTING ROTATION (gearing for conveying rotation Fulltext... Hierarchy... Expanded...F16H, e.g. fluid gearing Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16H 39/00-F16H 47/00); CLUTCHES (dynamo-electric clutches Fulltext... Hierarchy... Expanded...H02K 49/00; clutches using electrostatic attraction Fulltext... Hierarchy... Expanded...H02N 13/00); BRAKES (electrodynamic brake systems for vehicles in general Fulltext... Hierarchy... Expanded...B60L; dynamo-electric brakes Fulltext... Hierarchy... Expanded...H02K 49/00) [2]

|  | F16D |
Note(s) Attention is drawn to the following places:
Fulltext... Hierarchy... Expanded...A01D 69/00 | Clutches or brakes of harvesters or mowers for grass or cereals |
Fulltext... Hierarchy... Expanded...A61C 1/08 | Clutches in dental machines for boring or cutting |
Fulltext... Hierarchy... Expanded...B21B 35/00 | Drive couplings for metal-rolling mills |
Fulltext... Hierarchy... Expanded...B30B 15/00 | Brakes specially adapted for presses |
Fulltext... Hierarchy... Expanded...B30B 15/00 | Clutches specially adapted for presses |
Fulltext... Hierarchy... Expanded...B41J 33/52 | Braking devices for ribbon-feed devices in selective printing mechanisms |
Fulltext... Hierarchy... Expanded...B60K 17/00 | Arrangement or location of clutches in vehicles |
Fulltext... Hierarchy... Expanded...B61H | Brakes peculiar to rail vehicles |
Fulltext... Hierarchy... Expanded...B62B 5/00 | Braking mechanisms for hand carts |
Fulltext... Hierarchy... Expanded...B62B 9/00 | Braking mechanisms for children's carriages or perambulators |
Fulltext... Hierarchy... Expanded...B62C 7/00 | Braking mechanisms for animal-drawn vehicles |
Fulltext... Hierarchy... Expanded...B62L | Cycle brakes |
Fulltext... Hierarchy... Expanded...B66D 5/00 | Braking devices for lifting or hoisting gear |
Fulltext... Hierarchy... Expanded...E21B 17/02 | Couplings for drilling rods |
Fulltext... Hierarchy... Expanded...H02P 3/00 | Brakes for electric motors, generators, dynamo-electric converters |
Fulltext... Hierarchy... Expanded...H04L 13/02 | Clutches for apparatus for transmission of coded digital information. |

|  | F16D |
Subclass index
COUPLINGS |
In general | 1/00
Yielding; impulse; slip | 3/00; 5/00; 7/00
With safety members | 9/00
Using a fluid as power-transmitting means | 31/00, 33/00, 39/00
CLUTCHES |
Mechanically actuated |
the members being in direct contact | 11/00, 13/00, 17/00
with separate members | 15/00
others; combinations | 19/00; 21/00
details | 23/00
Non-mechanically actuated |
by fluid | 25/00, 29/00
magnetically actuated | 27/00, 29/00
electrically actuated | 28/00, 29/00
Using a fluid as power-transmitting means | 31/00 - 37/00
Freewheels, automatic | 41/00, 43/00, 45/00
Combinations | 45/00, 47/00
External control of clutches | 48/00
FREEWHEELS OR FREEWHEEL CLUTCHES | 41/00, 45/00
BRAKES |
Characterised by their function | 49/00 - 55/00
Using resistance of liquid or air | 57/00
Automatic | 59/00
With means for making available for use the energy absorbed | 61/00
Others | 63/00
Details | 65/00, 69/00, 71/00
Monitoring working conditions | 66/00
COMBINATIONS OF DIFFERENT DEVICES | 47/00, 67/00

|  | F16F |
SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION

|  | F16F |
2. Note(s) This subclass covers: springs, shock-absorbers or vibration-dampers; their arrangement in, or adaptation for, particular apparatus, if not provided for in the subclasses covering said apparatus. [5] This subclass does not cover the arrangement or adaptation of springs, shock-absorbers or vibration-dampers in, or for, particular apparatus, if provided for in the subclasses concerning the said apparatus, e.g.
   Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A47C 23/00-A47C 27/00 | Spring mattresses |
   Fulltext... Hierarchy... Expanded...A63C 5/06 | Vibration dampers in skis |
   Fulltext... Hierarchy... Expanded...B60G | Vehicle suspensions |
   Fulltext... Hierarchy... Expanded...B60R 19/24 | Mounting of bumpers on vehicles |
   Fulltext... Hierarchy... Expanded...B61F | Rail vehicle suspensions |
   Fulltext... Hierarchy... Expanded...B61G 11/00 | Buffers for railway or tramway vehicles |
   Fulltext... Hierarchy... Expanded...B62D 21/15 | Vehicle chassis frames having impact absorbing means |
   Fulltext... Hierarchy... Expanded...B62J 1/00 | Resiliently mounted saddles on cycles |
   Fulltext... Hierarchy... Expanded...B62K 21/00 | Steering dampers |
   Fulltext... Hierarchy... Expanded...B63H 1/00 | Marine propellers having vibration-damping means |
   Fulltext... Hierarchy... Expanded...B63H 21/00 | Anti-vibration mounting of marine propulsion plant in ships |
   Fulltext... Hierarchy... Expanded...B64C 25/00 | Arrangement of shock-absorbers or springs in aeroplane alighting gear |
   Fulltext... Hierarchy... Expanded...B65D 81/02 | Containers, packing elements or packages with shock-absorbing means |
   Fulltext... Hierarchy... Expanded...D06F 37/20 | Resilient mountings in washing machines |
   Fulltext... Hierarchy... Expanded...D06F 49/00 | Resilient mountings in domestic spin-dryers |
   Fulltext... Hierarchy... Expanded...F03G 1/00 | Spring motors |
   Fulltext... Hierarchy... Expanded...F21V 15/00 | Resilient mounting of lighting devices |
   Fulltext... Hierarchy... Expanded...F41A 25/00 | Gun cradles to permit recoil |
   Fulltext... Hierarchy... Expanded...F41B 5/00 | Vibration dampers for archery bows |
   Fulltext... Hierarchy... Expanded...G01D 11/00 | Indicating or recording in connection with measuring |
   Fulltext... Hierarchy... Expanded...G01G 21/00 | Weighing apparatus, e.g. arrangement of shock-absorbers in weighing apparatus |
   Fulltext... Hierarchy... Expanded...G04B | Clocks, watches |
   Fulltext... Hierarchy... Expanded...G12B 3/00 | Damping of movements in instruments |
   Fulltext... Hierarchy... Expanded...G21C 7/08 | Disposition of shock-absorbing devices for displacable control elements in nuclear reactors. |

|  | F16F |
Subclass index
SPRINGS |
Friction type; fluid type; magnetic type | 1/00, 3/00; 5/00, 9/00; 6/00
VIBRATION-DAMPERS OR SHOCK-ABSORBERS |
Friction type; fluid type | 7/00, 11/00; 9/00, 11/00
UNITS COMBINING SPRINGS AND VIBRATION-DAMPERS OR SHOCK-ABSORBERS | 13/00
SUPPRESSION OF VIBRATION, BALANCING | 15/00

|  | F16G |
BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR

|  | F16G |
Note(s) Attention is drawn to the following places:
Fulltext... Hierarchy... Expanded...B63B 21/00 | Fastening equipment for chains, ropes or the like for ships |
Fulltext... Hierarchy... Expanded...B63B 21/00 | Adaptations of chains, ropes or the like for ships |
Fulltext... Hierarchy... Expanded...B65G 15/30 | Endless conveyer belts |
Fulltext... Hierarchy... Expanded...B65G 17/30, Fulltext... Hierarchy... Expanded...B65G 19/00 | Traction chains for conveyers |
Fulltext... Hierarchy... Expanded...F16H | Gearings using flexible members |
Fulltext... Hierarchy... Expanded...F16H 9/02 | Chains specially adapted for gearings with variable ratio |
Fulltext... Hierarchy... Expanded...H05F | Preventing or carrying-off electrostatic charges. |

|  | F16G |
Subclass index
BELTS; BELT FASTENINGS | 1/00, 5/00; 3/00, 7/00
CABLES OR ROPES; FASTENINGS THEREFOR | 9/00; 11/00
CHAINS, CHAIN HOOKS | 13/00, 15/00, 17/00

|  | F16H |
GEARING

|  | F16H |
4. Note(s) Combinations including mechanical gearings are classified in groups Fulltext... Hierarchy... Expanded...F16H 37/00or Fulltext... Hierarchy... Expanded...F16H 47/00, unless they are provided for in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16H 1/00-F16H 35/00. [2009.01] In this subclass, sets of rigidly-connected members are regarded as single members. In this subclass, the following terms or expressions are used with the meanings indicated: "toothed gearing" includes worm gearing and other gearing involving at least one wheel or sector provided with teeth or the equivalent, except gearing with chains or toothed belts, which is treated as friction gearing; "conveying motion" includes transmitting energy, and means that the applied and resultant motions are of the same kind, though they may differ in, e.g. speed, direction or extent; "rotary" implies that the motion may continue indefinitely. "oscillating" means moving about an axis to an extent which is limited by the construction of the gearing and which may exceed one revolution, the movement being alternately forwards and backwards during continued operation of the gearing; "reciprocating" means moving substantially in a straight line, the movement being alternately forwards and backwards during continued operation of the gearing; "reversing" or "reversal" means that an applied movement in one direction may produce a resultant movement in either of two opposed directions at will; "central gears" includes any gears whose axis is the main axis of the gearing. Attention is drawn to the following places:
   Fulltext... Hierarchy... Expanded...A01D 69/00 | Gearings in harvesters or mowers |
   Fulltext... Hierarchy... Expanded...A63H 31/00 | Gearing for toys |
   Fulltext... Hierarchy... Expanded...B21B 35/00 | Toothed-wheel gearing for metal-rolling mills |
   Fulltext... Hierarchy... Expanded...B60K | Arrangement of transmissions in vehicles |
   Fulltext... Hierarchy... Expanded...B61C 9/00 | Transmissions for railway locomotives |
   Fulltext... Hierarchy... Expanded...B62D 3/00 | Vehicle steering gears |
   Fulltext... Hierarchy... Expanded...B62M | Transmissions for cycles |
   Fulltext... Hierarchy... Expanded...B63H 23/00 | Transmissions for marine propulsion |
   Fulltext... Hierarchy... Expanded...B63H 25/00 | Marine steering gears |
   Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F01-F04 | Machines, engines, pumps |
   Fulltext... Hierarchy... Expanded...F15B 15/00 | Gearings associated with fluid-actuated devices |
   Fulltext... Hierarchy... Expanded...G01D 5/02 | Gearing used in indicating or recording apparatus in connection with measuring devices |
   Fulltext... Hierarchy... Expanded...H03J 1/00 | Driving arrangements for tuning resonant circuits |
   Fulltext... Hierarchy... Expanded...H04L 13/02 | Driving mechanisms for apparatus for transmission of coded digital information. [5] |

|  | F16H |
Subclass index
GEARINGS NOT LIMITED TO ROTARY MOTION |
Mechanical gearings |
using levers, links, or cams | 21/00 - 25/00
using intermittently-driving members | 27/00 - 31/00
other gearings; combinations of gearings | 19/00, 33/00, 35/00; 37/00
details | 51/00 - 57/00
Fluid gearing | 43/00
GEARINGS FOR CONVEYING ROTARY MOTION |
Toothed gearings | 1/00, 3/00
Using endless flexible members | 7/00, 9/00
Other friction gearing | 13/00, 15/00
Fluid gearing | 39/00, 41/00, 45/00
Using intermittently-driving gearing | 29/00
CONTROL |
of change-speed- or reversing-gearings conveying rotary motion | 59/00 - 63/00
COMBINATIONS OF GEARINGS; DIFFERENTIAL GEARINGS; OTHER GEARINGS | 47/00; 48/00; 49/00
GENERAL DETAILS OF GEARINGS | 57/00

|  | F16J |
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS

|  | F16J |
Note(s) Attention is drawn to the following places:
Fulltext... Hierarchy... Expanded...A47J 27/08 | Pressure cookers |
Fulltext... Hierarchy... Expanded...E04B 1/68 | Sealing building joints |
Fulltext... Hierarchy... Expanded...E05C 9/00 | Multi-point fastening of wings in general |
Fulltext... Hierarchy... Expanded...F01B | Machines or engines in general or of reciprocating type, e.g. cylinders peculiar to steam engines Fulltext... Hierarchy... Expanded...F01B 31/00 |
Fulltext... Hierarchy... Expanded...F02F 1/00 | Cylinders for combustion engines |
Fulltext... Hierarchy... Expanded...F02F 3/00 | Pistons for combustion engines |
Fulltext... Hierarchy... Expanded...F04D 29/08 | Sealings of non-positive displacement pumps |
Fulltext... Hierarchy... Expanded...F17B 1/00 | Sealing devices for sliding parts of gas holders of variable capacity |
Fulltext... Hierarchy... Expanded...F28F 9/04 | Arrangements for sealing elements into header boxes or end plates of heat-exchangers. |

|  | F16J |
Subclass index
PISTONS, TRUNK PISTONS, OR PLUNGERS; PISTON-RODS | 1/00; 7/00
DIAPHRAGMS, BELLOWS, BELLOWS PISTONS; PISTON-RINGS | 3/00; 9/00
CYLINDERS, HOLLOW BODIES | 10/00
PRESSURE VESSELS; COVERS | 12/00; 13/00
SEALINGS | 15/00

|  | F16K |
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING

|  | F16K |
3. Note(s) Attention is drawn to the Notes following the titles of class Fulltext... Hierarchy... Expanded...B81 and subclass Fulltext... Hierarchy... Expanded...B81B relating to "micro-structural devices" and "micro-structural systems". [7] Attention is drawn to Note (2) following the title of subclass Fulltext... Hierarchy... Expanded...G05D and also the subdivisions of that subclass, according to which pressure regulators and flow regulators, e.g. flow regulating valves with pressure compensator, even with the whole regulating system contained in a valve, operating with or without auxiliary power, are covered by groups Fulltext... Hierarchy... Expanded...G05D 16/00 or Fulltext... Hierarchy... Expanded...G05D 7/00, respectively. However, details of the valve parts, per se, are classified in the appropriate groups of this subclass. [2] Attention is drawn to the following places:
   Fulltext... Hierarchy... Expanded...A47J 27/08 | Safety devices for pressure cookers |
   Fulltext... Hierarchy... Expanded...A47J 31/44 | Dispensing spouts, drain valves or like beverage-making apparatus |
   Fulltext... Hierarchy... Expanded...A61B 5/022 | Valves specially adapted for measuring pressure in heart or blood vessels |
   Fulltext... Hierarchy... Expanded...A61F 2/24 | Heart valves |
   Fulltext... Hierarchy... Expanded...A61M 16/20 | Valves specially adapted for medical respiratory devices |
   Fulltext... Hierarchy... Expanded...A61M 39/00 | Tube connectors, tube couplings, valves or branch units specially adapted for medical use in general |
   Fulltext... Hierarchy... Expanded...A62B 9/00 | Valves for respiratory apparatus |
   Fulltext... Hierarchy... Expanded...A62B 18/00 | Valves for breathing masks or helmets |
   Fulltext... Hierarchy... Expanded...A62C | Fire extinguishers |
   Fulltext... Hierarchy... Expanded...B05B | Nozzles, spray heads or other discharge apparatus for spraying or atomising |
   Fulltext... Hierarchy... Expanded...B60C 29/00 | Arrangements of tyre-inflating valves relative to tyres or wheel rims; Connection of valves to wheel rims, tyres or other inflatable elastic bodies |
   Fulltext... Hierarchy... Expanded...B60G 17/04 | Valves specially adapted for adjusting vehicle fluid-spring characteristics |
   Fulltext... Hierarchy... Expanded...B60T | Valves specially adapted for vehicle brake control systems |
   Fulltext... Hierarchy... Expanded...B62D 5/08 | Vehicle power-assisted steering characterised by the type of valve used |
   Fulltext... Hierarchy... Expanded...B63B 7/00, Fulltext... Hierarchy... Expanded...B63C 9/00 | Arrangement of inflating valves for floatable live-saving equipment |
   Fulltext... Hierarchy... Expanded...B65D 47/04 | Container closures with discharging valves |
   Fulltext... Hierarchy... Expanded...B65D 83/28, Fulltext... Hierarchy... Expanded...B65D 83/44 | Nozzles or valves specially adapted for aerosol containers |
   Fulltext... Hierarchy... Expanded...B65D 90/22 | Safety valves for large containers |
   Fulltext... Hierarchy... Expanded...B65D 90/00 | Gates or closures on large containers |
   Fulltext... Hierarchy... Expanded...B67C 3/02 | Flow control devices for bottling liquids |
   Fulltext... Hierarchy... Expanded...B67D | Dispensing, delivering or transferring liquids |
   Fulltext... Hierarchy... Expanded...E02B 8/00 | Details, e.g. valves, of barrages or weirs |
   Fulltext... Hierarchy... Expanded...E02B 13/00 | Closures for irrigation conduits |
   Fulltext... Hierarchy... Expanded...E03B 9/00 | Arrangement of valves in hydrants [8] |
   Fulltext... Hierarchy... Expanded...E03D | Flushing valves for water-closets or urinals |
   Fulltext... Hierarchy... Expanded...E05F 3/00 | Valve arrangement in door closers |
   Fulltext... Hierarchy... Expanded...E21B 21/00 | Valve arrangements in drilling-fluid circulation systems |
   Fulltext... Hierarchy... Expanded...E21B 34/00 | Valve arrangements for boreholes or wells |
   Fulltext... Hierarchy... Expanded...F01B 25/00 | Working-fluid valves for controlling machines or engines in general or of positive-displacement type |
   Fulltext... Hierarchy... Expanded...F01D 17/00 | Final actuators for controlling non-positive displacement machines or engines |
   Fulltext... Hierarchy... Expanded...F01L | Cyclically operated valves for machines or engines |
   Fulltext... Hierarchy... Expanded...F02D 9/08 | Throttle valves for controlling combustion engines |
   Fulltext... Hierarchy... Expanded...F02K 9/00 | Propellant feed valves for rocket-engines |
   Fulltext... Hierarchy... Expanded...F02M | Carburettors, fuel injection |
   Fulltext... Hierarchy... Expanded...F02M 59/00 | Valves for fuel injection pumps |
   Fulltext... Hierarchy... Expanded...F04 | Pumps |
   Fulltext... Hierarchy... Expanded...F16F 9/34 | Valves for shock absorbers |
   Fulltext... Hierarchy... Expanded...F16L 29/00, Fulltext... Hierarchy... Expanded...F16L 37/28 | Pipe joints or quick-acting couplings with fluid cut-off means |
   Fulltext... Hierarchy... Expanded...F16L 55/00 | Arrangement of valves in pipes |
   Fulltext... Hierarchy... Expanded...F16L 55/04 | Valves specially adapted to prevent or minimise the effect of water hammer |
   Fulltext... Hierarchy... Expanded...F16L 55/26 | Launching devices for pigs or moles |
   Fulltext... Hierarchy... Expanded...F16N 23/00 | Check valves for lubrication systems |
   Fulltext... Hierarchy... Expanded...F17C 13/04 | Arrangement of valves in pressure vessels |
   Fulltext... Hierarchy... Expanded...F22B 37/00 | Arrangement of safety valves on steam boilers |
   Fulltext... Hierarchy... Expanded...F22D 5/00 | Application of valves to automatic water-feed in boiler |
   Fulltext... Hierarchy... Expanded...F23L 13/00 | Valves for air supply control to burners |
   Fulltext... Hierarchy... Expanded...F23Q 2/00 | Valves for lighters with gaseous fuel and adjustable flame |
   Fulltext... Hierarchy... Expanded...F24C 3/12, Fulltext... Hierarchy... Expanded...F24C 5/00 | Arrangement of valves on stoves or ranges |
   Fulltext... Hierarchy... Expanded...F24F | Air conditioning; Ventilation |
   Fulltext... Hierarchy... Expanded...F25B 41/04 | Disposition of fluid circulation valves in refrigeration machines |
   Fulltext... Hierarchy... Expanded...G05D | Controlling non-electric variables |
   Fulltext... Hierarchy... Expanded...G10B 3/00 | Valves for organs |
   Fulltext... Hierarchy... Expanded...G10D 9/00 | Valves for other wind-actuated musical instruments. [5] |

|  | F16K |
Subclass index
CONSTRUCTIONAL TYPES |
Lift-valves, gate valves or sliding valves, taps, diaphragm cut-off apparatus | 1/00 - 7/00
Multiple-way valves | 11/00
Other constructional types of cut-off apparatus, arrangements for cutting off | 13/00
FUNCTIONAL TYPES |
Check valves; safety or equalising valves; arrangements for mixing fluids | 15/00; 17/00; 11/00
Fluid-delivery valves; valves for preventing drip from nozzles | 21/00; 23/00
For venting or aerating enclosures | 24/00
DETAILS OR GENERAL MEANS |
Handling or control | 29/00, 31/00, 39/00, 43/00
Auxiliary means | 47/00, 49/00
Safety | 35/00, 37/00
Details: contact between valve members and seats, housings, floats, sealings | 25/00, 27/00, 33/00, 41/00
Other details | 51/00
SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00

|  | F16L |
PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL

|  | F16L |
2. Note(s) In this subclass, the following terms are used with the meanings indicated: "pipe" means a conduit of closed cross-section, which is specially adapted to convey fluids, materials or objects; "hose" means a pipe, as defined above, which has flexibility as an essential characteristic. [5] Attention is drawn to the following places:
   Fulltext... Hierarchy... Expanded...A61M 39/00 | Tube connectors, tube couplings or branch units, specially adapted for medical use |
   Fulltext... Hierarchy... Expanded...B05B 1/14 | Perforated pipes |
   Fulltext... Hierarchy... Expanded...B63B 35/00 | Pipe-laying vessels |
   Fulltext... Hierarchy... Expanded...B64D 39/00 | Adaptation of hose constructions for refuelling aircraft during flight |
   Fulltext... Hierarchy... Expanded...B67D 5/36 | Arrangements of hoses in apparatus for transferring liquids, e.g. fuel, from bulk to vehicles or portable containers |
   Fulltext... Hierarchy... Expanded...E01D 19/00 | Fastening of pipes or cables to bridges |
   Fulltext... Hierarchy... Expanded...E03B | Water supply installations |
   Fulltext... Hierarchy... Expanded...E03D 11/00 | Means for connecting water-closet bowls to the flushing pipe |
   Fulltext... Hierarchy... Expanded...E03D 11/00 | Siphons for water-closets |
   Fulltext... Hierarchy... Expanded...E03F 3/04 | Pipes or fittings specially adapted to sewers |
   Fulltext... Hierarchy... Expanded...E04D 13/04 | Down pipes for roof drainage; Clamping means therefor |
   Fulltext... Hierarchy... Expanded...E04F 17/00 | Vertical ducts, channels in buildings, e.g. chimneys |
   Fulltext... Hierarchy... Expanded...E21F 1/00 | Air ducts for ventilation of mines or tunnels; Connections therefor |
   Fulltext... Hierarchy... Expanded...E21F 17/00 | Suspension devices for tubes or the like in mines or tunnels |
   Fulltext... Hierarchy... Expanded...F01N | Gas flow silencers or exhaust apparatus for machines or engines |
   Fulltext... Hierarchy... Expanded...F16N 21/00 | Conduits, junctions for lubrication systems |
   Fulltext... Hierarchy... Expanded...F17C 3/00 | Thermal insulation of vessels not under pressure for storing liquified or solidified gases, e.g. Dewar flask |
   Fulltext... Hierarchy... Expanded...F22B 37/00 | Water tubes of steam boilers |
   Fulltext... Hierarchy... Expanded...F23J 13/00 | Joints, connections for chimneys or flues |
   Fulltext... Hierarchy... Expanded...F24H 9/12 | Connecting circulation pipes to heaters |
   Fulltext... Hierarchy... Expanded...F28F 9/04 | Arrangements for sealing elements into header boxes or end plates of heat-exchangers |
   Fulltext... Hierarchy... Expanded...G21C 15/00 | Structural association of coolant tubes with headers or other pipes in nuclear reactors |
   Fulltext... Hierarchy... Expanded...H02G 3/04 | Protective tubing or conduits for electric cables |
   Fulltext... Hierarchy... Expanded...H02G 3/30 | Installations of electric cables or lines on walls, floors or ceilings [7] |
   Fulltext... Hierarchy... Expanded...H02G 3/36 | Installations of electric cables or lines in walls, floors or ceilings [7] |

|  | F16L |
Subclass index
LAYING OR RECLAIMING PIPES | 1/00
SUPPORTING | 3/00, 5/00, 7/00
PIPES | 9/00, 11/00
PIPE JOINTS |
Constructional kinds |
non-disconnectable | 13/00
screw-threaded | 15/00
with separate joints: pressing member; sleeve or socket; flanged joints | 19/00; 21/00; 23/00
bends or siphons | 43/00
other joints | 25/00
Functional kinds |
with self-tightening sealings | 17/00
adjustable or allowing movement | 27/00
with fluid cut-off means | 29/00
of quick-acting type | 37/00
for double-walled or multi-channel pipes | 39/00
branching pipes, joining pipes to walls | 41/00
special for hoses | 31/00, 33/00, 35/00
special for pipes: of plastics; of brittle material | 47/00; 49/00
PIPING UNITS |
Cleaning features | 45/00
Compensation devices | 51/00
Heating or cooling | 53/00
Accessories | 55/00
PROTECTION: AGAINST DAMAGE; CORROSION OR INCRUSTATION; THERMAL INSULATION | 57/00; 58/00; 59/00

|  | F16M |
FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS

|  | F16M |
Note(s) Attention is drawn to the following places:
Fulltext... Hierarchy... Expanded...B21B 31/00 | Metal-rolling stand frames |
Fulltext... Hierarchy... Expanded...G01D 11/00 | Supports specially adapted for indicating or recording instruments. |

|  | F16M |
Subclass index
FRAMES, CASINGS, OR BEDS |
Displaceable | 3/00
For engines, machines, or apparatus | 1/00, 5/00
Foundations; details | 9/00; 7/00
STANDS OR SUPPORTS | 11/00, 13/00

|  | F16N |
LUBRICATING

|  | F16N |
Note(s) Attention is drawn to the following places, which cover lubrication of specific apparatus or in particular processes:
Fulltext... Hierarchy... Expanded...A01D 69/00 | Harvesters |
Fulltext... Hierarchy... Expanded...B21B 25/00 | Mandrels for metal tube rolling mills [8] |
Fulltext... Hierarchy... Expanded...B21B 27/06 | Rolls for metal rolling mills [8] |
Fulltext... Hierarchy... Expanded...B21D 37/00 | Tools for machines for working metal without removing material [8] |
Fulltext... Hierarchy... Expanded...B21J 3/00 | Forging or pressing |
Fulltext... Hierarchy... Expanded...B22D 11/07 | Moulds for continuous casting of metals [8] |
Fulltext... Hierarchy... Expanded...B23C 5/00 | Milling cutters [8] |
Fulltext... Hierarchy... Expanded...B23D 59/00 | Metal saws [8] |
Fulltext... Hierarchy... Expanded...B23Q 11/10, Fulltext... Hierarchy... Expanded...B23Q 11/12 | Machine tools [8] |
Fulltext... Hierarchy... Expanded...B25D 17/00 | Portable power-driven percussive tools |
Fulltext... Hierarchy... Expanded...B26B 19/38 | Hair-clippers or dry-shavers [8] |
Fulltext... Hierarchy... Expanded...B27B 13/00 | Band saw blades for wood or the like [8] |
Fulltext... Hierarchy... Expanded...B60R 17/00 | Vehicles |
Fulltext... Hierarchy... Expanded...B61B 12/00 | Cable systems for railways [8] |
Fulltext... Hierarchy... Expanded...B61C 17/00 | Railway locomotives |
Fulltext... Hierarchy... Expanded...B61F 17/00 | Axle-boxes of rail vehicles [8] |
Fulltext... Hierarchy... Expanded...B61K 3/00 | Rail or wheel flanges of railways [8] |
Fulltext... Hierarchy... Expanded...B62D 55/08 | Endless-track units for vehicles |
Fulltext... Hierarchy... Expanded...B62J 31/00 | Cycles [8] |
Fulltext... Hierarchy... Expanded...B65G 45/00 | Conveyers [8] |
Fulltext... Hierarchy... Expanded...B66B 7/12 | Ropes, cables or guides of elevators [8] |
Fulltext... Hierarchy... Expanded...D01H 7/02 | Spindles of machines for spinning or twisting threads or fibres [8] |
Fulltext... Hierarchy... Expanded...D04B 35/00 | Knitting machines |
Fulltext... Hierarchy... Expanded...D05B 71/00 | Sewing machines [8] |
Fulltext... Hierarchy... Expanded...D05C 13/00 | Embroidering machines [8] |
Fulltext... Hierarchy... Expanded...E01B 7/00 | Switches for railways [8] |
Fulltext... Hierarchy... Expanded...E05B 17/00 | Locks |
Fulltext... Hierarchy... Expanded...E05D 11/00 | Hinges |
Fulltext... Hierarchy... Expanded...E21B 10/08 | Roller bits for earth drilling |
Fulltext... Hierarchy... Expanded...F01C 21/00 | Rotary-piston or oscillating-piston machines or engines [8] |
Fulltext... Hierarchy... Expanded...F01D 25/00 | Non-positive-displacement machines [8] |
Fulltext... Hierarchy... Expanded...F01M | Machines or engines in general [8] |
Fulltext... Hierarchy... Expanded...F02C 7/06 | Gas-turbine plants [8] |
Fulltext... Hierarchy... Expanded...F02F 1/18 | Cylinders of combustion engines [8] |
Fulltext... Hierarchy... Expanded...F04B 39/02 | Pumps for liquids [8] |
Fulltext... Hierarchy... Expanded...F04C 29/02 | Rotary-piston or oscillating-piston pumps for liquids [8] |
Fulltext... Hierarchy... Expanded...F04D 29/04 | Non-positive-displacement pumps [8] |
Fulltext... Hierarchy... Expanded...F16C 1/00 | Flexible shafts [8] |
Fulltext... Hierarchy... Expanded...F16C 33/04 | Sliding-contact bearings [8] |
Fulltext... Hierarchy... Expanded...F16C 33/66 | Ball or roller bearings [8] |
Fulltext... Hierarchy... Expanded...F16F 1/02 | Springs [8] |
Fulltext... Hierarchy... Expanded...F16H 57/04 | Transmissions [8] |
Fulltext... Hierarchy... Expanded...F41A 29/00 | Smallarms or ordnance [8] |
Fulltext... Hierarchy... Expanded...G04B 31/00 | Clocks [8] |
Fulltext... Hierarchy... Expanded...H01R 39/00 | Rotary current collectors, distributors or interrupters [8] |

|  | F16N |
Subclass index
MODIFICATIONS OF APPARATUS OR MACHINES TO ENSURE LUBRICATION | 1/00
LUBRICATION DEVICES |
Stationary; mobile; manual | 7/00, 11/00; 9/00; 3/00, 5/00
Lubricating-pumps | 13/00
Details: reservoirs; conduits; check valves | 19/00; 21/00; 23/00
EQUIPMENT FOR DISTRIBUTION, PROPORTIONING, SAFETY, CONTROL, CLEANING | 23/00 - 33/00
HANDLING OF LUBRICANTS, STORAGE | 33/00 - 39/00
SPECIAL LUBRICATION | 15/00, 17/00
SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00

|  | F16P |
SAFETY DEVICES IN GENERAL

|  | F16P |
Note(s) Attention is drawn to the following places:
Fulltext... Hierarchy... Expanded...A01D 75/00 | Harvesters or mowers [7] |
Fulltext... Hierarchy... Expanded...A01F 21/00 | Threshing machines or baling presses |
Fulltext... Hierarchy... Expanded...B02C 23/00 | Crushing or disintegrating machines |
Fulltext... Hierarchy... Expanded...B21B 33/00 | Rolling of metal |
Fulltext... Hierarchy... Expanded...B21D 55/00 | Working sheet metal or tubes, rods or profiles without essentially removing material |
Fulltext... Hierarchy... Expanded...B23B 25/00 | Turning-machines |
Fulltext... Hierarchy... Expanded...B23Q 11/00 | Machine tools |
Fulltext... Hierarchy... Expanded...B24B 55/00 | Grinding or polishing machines |
Fulltext... Hierarchy... Expanded...B25D 17/00 | Portable power-driven percussive tools |
Fulltext... Hierarchy... Expanded...B25J 19/06 | Manipulators |
Fulltext... Hierarchy... Expanded...B26D 7/00 | Cutting machines |
Fulltext... Hierarchy... Expanded...B27G 19/00 | Wood saws |
Fulltext... Hierarchy... Expanded...B65B 57/00 | Packaging machines or apparatus |
Fulltext... Hierarchy... Expanded...B65G 43/00 | Conveyers |
Fulltext... Hierarchy... Expanded...B65H 26/00 | Web-advancing mechanisms |
Fulltext... Hierarchy... Expanded...B65H 63/00 | Handling or winding of thin or filamentary material |
Fulltext... Hierarchy... Expanded...D01G 31/00 | Treatment of fibres |
Fulltext... Hierarchy... Expanded...D01H 13/14 | Spinning or twisting |
Fulltext... Hierarchy... Expanded...D05B 83/00 | Sewing machines |
Fulltext... Hierarchy... Expanded...F21V 25/00 | Lighting devices. |

|  | F16S |
CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL

|  | F16S |
Note(s) This subclass does not cover similar elements and structures, restricted to use in the building art, which are covered by subclass Fulltext... Hierarchy... Expanded...E04C.

|  | F16T |
STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS