attached exclusively by spring action or elastic action

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Covers or similar closure members for pressure vessels in general > Detachable closure members; Means for tightening closures > attached exclusively by spring action or elastic action

CPC:

Covers or similar closure members for pressure vessels in general (for engines or like cylinders F16J10/00; sealings F16J15/02; covers for box-like containers B65D43/00; devices for securing or retaining closure members B65D45/00; closures for containers not otherwise provided for B65D51/00; manholes, covers for large containers B65D90/10; gates or closures for large containers B65D90/54; for vessels for containing or storing compressed, liquefied or solidified gases F17C13/06; steam boilers F22B) > Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence) > attached exclusively by spring action or elastic action

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