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