IPC Main Group
F16H 41/00 Rotary fluid gearing of the hydrokinetic type
Introduced: September 1968
Last revised: January 2006
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:
- GEARING
Additional Content
Control of exclusively fluid gearing
Related Keywords
fluid MOTOR(S) in gearing or rotary transmissionsPUMPS in fluid gearing or rotary transmissionsTORQUE converters
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F16H 41/02 with pump and turbine connected by conduits or ducts
- F16H 41/04 Combined pump-turbine units
- F16H 41/24 Details
- F16H 41/32 Selection of working fluids
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