with outwardly-movable clutching members co-operating with the inner surface of a drum or the like (F16D13/02, F16D13/06, F16D13/12 take precedence; similar brakes F16D51/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with outwardly-movable clutching members co-operating with the inner surface of a drum or the like

CPC: with outwardly-movable clutching members co-operating with the inner surface of a drum or the like (F16D13/02, F16D13/06, F16D13/12 take precedence; similar brakes F16D51/00)

Full Title

Full titles differ between systems:

IPC:

Friction clutches > with outwardly-movable clutching members co-operating with the inner surface of a drum or the like

CPC:

Friction clutches (arrangements for synchronisation F16D23/02) > with outwardly-movable clutching members co-operating with the inner surface of a drum or the like (F16D13/02, F16D13/06, F16D13/12 take precedence; similar brakes F16D51/00)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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F16D 13/16 shaped as radially-movable segments IPC+CPC Available in IPC and CPC
F16D 13/18 shaped as linked or separately-pivoted segments 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