F16F 13/20 characterised by comprising also a pneumatic spring (F16F13/22, take precedence)
Introduced: January 1995
Title
Titles differ between systems:
IPC: characterised by comprising also a pneumatic spring
CPC: characterised by comprising also a pneumatic spring (F16F13/22, take precedence)
Full Title
Full titles differ between systems:
Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs > comprising both a plastics spring and a damper, e.g. a friction damper > the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper > characterised by comprising also a pneumatic spring
Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs (F16F5/00, take precedence) > comprising both a plastics spring and a damper, e.g. a friction damper > the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper (F16F13/26 takes precedence) > characterised by comprising also a pneumatic spring (F16F13/22, take precedence)
No child classifications to compare. This is a leaf node in both 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