|  | B |
SECTION B — PERFORMING OPERATIONS; TRANSPORTING

|  | B01 - B07 |
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/LIQUID OR SOLID/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/SOLID SEPARATION |
Method |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B07B
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B
Apparatus |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B04B, B04C
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B

TRANSPORTING

|  | B61 |
RAILWAYS

|  | B61 |
Note(s) In this class, the following expression is used with the meaning indicated: "railway systems" covers: systems in which trains or individual passenger vehicles or load carriers run on, or are guided by, ground or elevated tracks defined by rails, ropes, cables, or other guiding elements for wheels, rollers, or sliding anti-friction devices (permanently attached to a continuous traction element Fulltext... Hierarchy... Expanded...B65G 17/00); systems in which carriers or impellers for persons or loads are attached to, e.g. suspended from, a guided traction rope or cable which determines their path of movement (chain conveyers, scraper conveyers Fulltext... Hierarchy... Expanded...B65G 17/00, Fulltext... Hierarchy... Expanded...B65G 19/00); power and free systems of either of the above types in which vehicles, load-carriers, or loads may be selectively coupled to, or uncoupled from, continuous traction members, e.g. cables, chains.

|  | B61B |
RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways Fulltext... Hierarchy... Expanded...B66B) [4]

|  | B61B |
Note(s) In this subclass, the following terms are used with the meanings indicated: "rope railways" covers railways using cables or chains as traction or suspension means; "ropes", "cables", or "chains" are equivalent unless specifically mentioned. [2]

|  | B61B |
Subclass index
CONVENTIONAL SYSTEMS | 1/00
ELEVATED SYSTEMS | 3/00, 5/00
CABLE SYSTEMS |
Flexible suspended track; rigid track | 7/00; 9/00
Trackless | 11/00
Power-and-free systems | 10/00
Component parts | 12/00
OTHER SYSTEMS; COMBINATIONS | 13/00; 15/00

|  | B61C |
LOCOMOTIVES; MOTOR RAILCARS (vehicles in general Fulltext... Hierarchy... Expanded...B60; frames or bogies Fulltext... Hierarchy... Expanded...B61F; special railroad equipment for locomotives Fulltext... Hierarchy... Expanded...B61J, Fulltext... Hierarchy... Expanded...B61K)

|  | B61C |
Note(s) This subclass covers: general design features or items of locomotives and motor railcars not otherwise provided for; non-electric features of electric locomotives.

|  | B61C |
Subclass index
LOCOMOTIVES AND RAILCARS IN GENERAL |
Characterised by motive power: |
steam; electric; IC or gas turbine | 1/00; 3/00; 5/00
other | 7/00
Characterised by transmission system | 9/00
Characterised by type of means applying tractive effort | 11/00
LOCOMOTIVES AND RAILCARS FOR PARTICULAR USES | 13/00
DETAILS AND ACCESSORIES |
For particular transmission systems | 9/00
For particular propulsion means | 11/00
General and not otherwise provided for | 15/00, 17/00
FILLING STATIONS FOR AIR OR STEAM ACCUMULATORS | 8/00

|  | B61D |
BODY DETAILS OR KINDS OF RAILWAY VEHICLES (vehicles in general Fulltext... Hierarchy... Expanded...B60; adaptation of vehicles to special systems Fulltext... Hierarchy... Expanded...B61B; underframes Fulltext... Hierarchy... Expanded...B61F)

|  | B61D |
Subclass index
KINDS OF VEHICLES |
Passenger; goods; tank; mine | 1/00; 3/00; 5/00; 11/00
Hopper; tipping | 7/00; 9/00
Tramway | 13/00
Other | 15/00
BODY DETAILS AND ACCESSORIES |
Details |
bodywork: general; doors; steps; windows; movable roofs; leading means | 17/00; 19/00; 23/00; 25/00; 39/00; 47/00
interior fittings: sleeping; seating; sanitation; air- conditioning; lighting; other | 31/00; 33/00; 35/00; 27/00; 29/00; 37/00
devices using movement of vehicle | 43/00
other | 49/00
Accessories |
signs, ticket-holders | 41/00
covers; securing load | 39/00; 45/00
other | 49/00

|  | B61F |
RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE (for vehicles in general Fulltext... Hierarchy... Expanded...B60; axles, wheels Fulltext... Hierarchy... Expanded...B60B; vehicle tyres Fulltext... Hierarchy... Expanded...B60C)

|  | B61F |
Subclass index
FRAMES, RUNNING GEAR |
Underframes, bogies, connections therebetween | 1/00, 3/00, 5/00
For different gauges | 7/00
For preventing derailment | 9/00
Track-engaging means other than wheels | 11/00
WHEEL ARRANGEMENTS | 13/00
AXLE-BOXES; FORM, MOUNTING; LUBRICATION THEREOF | 15/00; 5/00; 17/00
WHEEL GUARDS, BUMPERS, OBSTRUCTION REMOVERS | 19/00
SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00

|  | B61G |
COUPLINGS; DRAUGHT OR BUFFING APPLIANCES (vehicle connections in general Fulltext... Hierarchy... Expanded...B60D)

|  | B61H |
BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES (electrodynamic braking of vehicles Fulltext... Hierarchy... Expanded...B60L, in general Fulltext... Hierarchy... Expanded...H02K; arrangements in rail vehicles for adjusting wheel-braking force to meet varying vehicular or permanent-way conditions Fulltext... Hierarchy... Expanded...B60T 8/00; transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive, brake systems incorporating such transmitting means, e.g. air-pressure brake systems, Fulltext... Hierarchy... Expanded...B60T 13/00; construction, arrangement, or operation of valves incorporated in power brake systems Fulltext... Hierarchy... Expanded...B60T 15/00; component parts, details, or accessories of brake systems Fulltext... Hierarchy... Expanded...B60T 17/00; brakes in general Fulltext... Hierarchy... Expanded...F16D)

|  | B61H |
Subclass index
BRAKES ACTING ON TRACK; BRAKES FOR SPECIAL PURPOSES | 7/00; 9/00
ARRANGEMENTS OF BRAKES |
Acting on wheels | 1/00, 3/00, 5/00
Other arrangements, combinations | 11/00
ACTUATION | 13/00
COMPENSATING FOR WEAR | 15/00

|  | B61J |
SHIFTING OR SHUNTING OF RAIL VEHICLES (shifting vehicles in general Fulltext... Hierarchy... Expanded...B60S; marshalling systems Fulltext... Hierarchy... Expanded...B61B)

|  | B61K |
OTHER AUXILIARY EQUIPMENT FOR RAILWAYS (energy-storing brakes Fulltext... Hierarchy... Expanded...B61H; protection of permanent way against weather influences Fulltext... Hierarchy... Expanded...E01B; rail cleaning, snow ploughs Fulltext... Hierarchy... Expanded...E01H)

|  | B61K |
Subclass index
EQUIPMENT RELATED TO TRACK |
Wetting or lubricating; testing; stops, retarding; other | 3/00; 9/00; 7/00; 13/00
EQUIPMENT RELATED TO VEHICLES |
Transferring load, coupling, or slipping, during movement; profile gauges; derailing, re-railing | 1/00; 9/00; 5/00
Wetting or lubrication of wheels; testing | 3/00; 9/00
Servicing locomotives | 11/00
Other | 13/00

|  | B61L |
GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC (power supply lines for electrically propelled vehicles Fulltext... Hierarchy... Expanded...B60M; arrangement of signalling devices, the mounting or supporting thereof or circuits therefor, for vehicles in general Fulltext... Hierarchy... Expanded...B60Q; brakes or auxiliary equipment Fulltext... Hierarchy... Expanded...B61H, Fulltext... Hierarchy... Expanded...B61K; point or crossing construction Fulltext... Hierarchy... Expanded...E01B; insulated rail joints Fulltext... Hierarchy... Expanded...E01B 11/54; optical devices in general Fulltext... Hierarchy... Expanded...G02; controlling in general Fulltext... Hierarchy... Expanded...G05; electric communication technique Fulltext... Hierarchy... Expanded...H04)

|  | B61L |
Note(s) This subclass covers: devices along the route interacting with trains; signals; operation of points and signals; interlocking; block systems; level crossings.

|  | B61L |
Subclass index
DEVICES ALONG THE ROUTE ACTUATED BY, OR ACTING ON, THE TRAIN AT ITS PASSAGE | 1/00, 3/00
RAILWAY SIGNALLING, SWITCHING, BLOCKING, AND INTERLOCKING |
Signals |
per se, local operation mechanisms; remote control; control by passage of vehicles | 5/00; 7/00; 13/00
Points |
local operation mechanisms; remote control; control by passage of vehicles | 5/00; 7/00; 11/00
switching systems of classification yards | 17/00
points and signals interlocking by a single device | 19/00
Scotch-blocks: local operation mechanisms; remote control | 5/00; 7/00
Station blocking | 21/00
TRAFFIC |
Central control systems; recording and indicating traffic data; self-signalling | 27/00; 25/00; 15/00
Safety: means concerning railway traffic; protection of road crossings | 23/00; 29/00
ILLUMINATION OF POINTS, FORM SIGNALS, AND GATES | 9/00
SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00