Crankshafts, eccentric-shafts; Cranks, eccentrics

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Shafts; Axles; Cranks; Eccentrics > Crankshafts, eccentric-shafts; Cranks, eccentrics

CPC:

Shafts (flexible shafts F16C1/00; marine propeller shafts, paddle wheel shafts B63H23/34); Axles; Cranks; Eccentrics > Crankshafts, eccentric-shafts; Cranks, eccentrics

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F16C 3/06 Crankshafts IPC+CPC Available in IPC and CPC
F16C 3/18 Eccentric-shafts IPC+CPC Available in IPC and CPC
F16C 3/20 Shape of crankshafts or eccentric-shafts having regard to balancing IPC+CPC Available in IPC and CPC
F16C 3/22 Cranks; Eccentrics (constructional features of crank-pins F16C11/02) 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