IPC Subgroup
F16D 125/02 Fluid-pressure mechanisms
Introduced: January 2012
Full Title
Components of actuators > Fluid-pressure mechanisms
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- Subclass:
- COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
7 direct subcodes
Child Classifications
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- F16D 125/04 Cylinders
- F16D 125/06 Pistons
- F16D 125/08 Seals, e.g. piston seals
- F16D 125/1 Plural pistons interacting by fluid pressure, e.g. hydraulic force amplifiers using different sized pistons
- F16D 125/12 Membrane or diaphragm types
- F16D 125/14 Fluid-filled flexible members, e.g. enclosed air bladders
- F16D 125/16 Devices for bleeding or filling
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
- TOYOTA MOTOR CORPORATION 7,215
- HYUNDAI MOTOR COMPANY KR 6,846
- ROBERT BOSCH DE 6,106
- NTN CORPORATION 5,305
- SKF SE 4,219
- KIA MOTORS CORPORATION KR 3,852
- NSK 3,850
- HONDA MOTOR COMPANY 3,639