DIFF Subgroup
F16D 43/02 actuated entirely mechanically
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Internally controlled automatic clutches > actuated entirely mechanically
CPC:
Automatic clutches (varying the relationship between two coaxial shafts F16D3/10; freewheels, freewheel clutches F16D41/00) > actuated entirely mechanically
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F16D 43/04 controlled by angular speed (F16D43/24 takes precedence; clutches in which the drive is transmitted through a medium consisting of small particles F16D37/00) IPC+CPC Available in IPC and CPC
- F16D 43/20 controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure IPC+CPC Available in IPC and CPC
- F16D 43/24 controlled by acceleration or deceleration of angular speed IPC+CPC Available in IPC and CPC
- F16D 43/26 acting at definite angular position or disengaging after definite number of rotations (actuating by means of stationary abutment F16D11/02, F16D13/02, F16D15/00; control of change-speed or reversing-gearings conveying rotary motion F16H59/00 - F16H63/00) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class F16,2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
- HYUNDAI MOTOR COMPANY KR 7,933
- ROBERT BOSCH DE 7,059
- KIA MOTORS CORPORATION KR 4,867
- SKF SE 4,729
- TOYOTA MOTOR CORPORATION JP 4,111
- FORD GLOBAL TECHNOLOGIES US 3,838
- GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
- TOYOTA MOTOR CORPORATION 3,499