F16F 3/12 the steel spring being in contact with the rubber spring
Introduced: January 1995
Title
Titles differ between systems:
IPC: the steel spring being in contact with the rubber spring, e.g. being embedded in it
CPC: the steel spring being in contact with the rubber spring
Full Title
Full titles differ between systems:
Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic > with springs made of a material having high internal friction, e.g. rubber > combined with springs made of steel or other material having low internal friction > the steel spring being in contact with the rubber spring, e.g. being embedded in it
Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic ( ; if including fluid springs F16F5/00, F16F13/00) > with springs made of a material having high internal friction, e.g. rubber > combined with springs made of steel or other material having low internal friction > the steel spring being in contact with the rubber spring
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