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 fluidF01C
liquid onlyF04C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF04B
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
ENGINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF03C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF03C
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
PUMPS
positive displacement
rotary or oscillating pistonF04C
reciprocating piston or otherF04B
non-positive displacementF04D
  
LIGHTING; HEATING
 F26
DRYING
 F26B
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM (drying devices for combines A01D 41/00; racks for drying fruit or vegetables A01F 25/00; drying foodstuffs A23; drying hair A45D 20/00; body-drying implements A47K 10/00; drying household articles A47L; drying gases or vapours B01D; chemical or physical processes for dewatering or like separating liquids from solids B01D 43/00; centrifugal apparatus B04; drying ceramics C04B 33/00; drying yarns or fabrics in association with some other form of treatment D06C; drying frames for laundry without heating or positive air circulation, domestic laundry-or spin-driers, wringing or hot pressing laundry D06F; furnaces, kilns, ovens F27)
 F26B

Note(s)

Processes using enzymes or micro-organisms in order to:

  1. liberate, separate or purify a pre-existing compound or composition, or to
  2. treat textiles or clean solid surfaces of materials
are further classified in subclass C12S.  [5]

 F26B
Subclass index
PROCESSES FOR DRYING
Preliminary treatment 1/00
Processes: with heat; without heat; by combination of both types 3/00; 5/00; 7/00
MACHINES OR APPARATUS FOR DRYING
With articles to be dried at rest or locally agitated, domestic airing 9/00
With non-progressive movement 11/00
With progressive movement: for fabrics or yarns; for articles and compact batches; for material not in compact batches 13/00; 15/00; 17/00
Other kinds 19/00
Combinations using at least two of the above kinds 20/00
ARRANGEMENTS OR DETAILS OF GENERAL APPLICATIONS
Arrangements for air or gas for drying; heating 21/00; 23/00
Other details 25/00
 F26B 1/00 - 
F26B 7/00
Processes for drying
P:70 F26B 1/00
Preliminary treatment of solid materials or objects to facilitate drying
P:90 F26B 3/00
Drying solid materials or objects by processes involving the application of heat (in specific machines or apparatus F26B 9/00-F26B 19/00)
 F26B 3/02
·  by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
 F26B 3/32
·  by development of heat within the materials or objects to be dried (by using ultrasonic vibration F26B 5/00)
P:100 F26B 5/00
Drying solid materials or objects by processes not involving the application of heat (separating liquids from solids by straining B01D; replacing liquids in wet solids by other liquids, e.g. water by spirit, B01D 12/00; drying by electrophoresis B01J)
 F26B 5/04
·  by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
P:80 F26B 7/00
Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B 3/00 or F26B 5/00
 F26B 9/00 - 
F26B 20/00
Machines or apparatus for drying
P:50 F26B 9/00
Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
 F26B 9/06
·  in stationary drums or chambers
P:40 F26B 11/00
Machines or apparatus for drying solid materials or objects with movement which is non-progressive
P:10 F26B 13/00
Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
 F26B 13/10
·  Arrangements for feeding, heating, or supporting materials; Regulating movement, tension, or position of materials (heating processes F26B 3/00)
P:30 F26B 15/00
Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form (F26B 13/00, F26B 17/00 take precedence; conveyers in general B65G)
P:20 F26B 17/00
Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement (F26B 13/00 takes precedence)
 F26B 17/12
·  with movement performed solely by gravity
P:60 F26B 19/00
Machines or apparatus for drying solid materials or objects not covered by groups F26B 9/00-F26B 17/00
P:0 F26B 20/00
Combinations of machines or apparatus covered by two or more of groups F26B 9/00-F26B 19/00
 F26B 21/00 - 
F26B 25/00
Details of general application
P:110 F26B 21/00
Arrangements for supplying or controlling air or gases for drying solid materials or objects (air-conditioning or ventilation in general F24F)
 F26B 21/02
·  Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure (F26B 21/14 takes precedence)
 F26B 21/06
·  Controlling, e.g. regulating, parameters of gas supply (F26B 21/14 takes precedence)
 F26B 21/14
·  using gases or vapours other than air or steam
P:120 F26B 23/00
Heating arrangements (using heated air or gases F26B 21/00)
P:130 F26B 25/00
Details of general application not covered by group F26B 21/00 or F26B 23/00 (loading, conveying, or unloading in general B65G)
 F26B 25/06
·  Chambers, containers, or receptacles
 F26B 25/22
·  Controlling the drying process in dependence on liquid content of solid materials or objects