IPC 6 English version
 
Class F15

SECTION F– MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

ENGINEERING IN GENERAL

F 15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL

F 15 BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR (motors, turbines, compressors, blowers, pumps F 01 to F 04; fluid dynamics F 15 D; fluid clutches or brakes F 16 D; fluid springs F 16 F; fluid gearing F 16 H; pistons, cylinders, packing F 16 J; valves, taps, cocks, actuating-floats F 16 K; safety valves with auxiliary fluid operation of the main valve F 16 K 17/10; fluid-operating means for valves F 16 K 31/12; pipes, pipe joints F 16 L; lubricating F 16 N)

F 15 CFLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES (transducers F 15 B 5/00; fluid dynamics in general F 15 D; computers comprising fluid elements G 06 D, G 06 G)

F 15 DFLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS (fluid-circuit elements F 15 C)