DIFF Subgroup
F16M 1/021 for housing crankshafts
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Frames or casings of engines, machines, or apparatus; Frames serving as machinery beds > for reciprocating engines or similar machines > for housing crankshafts
CPC:
Frames or casings of engines, machines or apparatus; Frames serving as machinery beds > for reciprocating engines or similar machines > for housing crankshafts
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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- F16M 1/022 of tunnel type, i.e. wherein the crankshaft can only be introduced axially (for engines or machines with star-shaped cylinder arrangement F16M1/023) IPC+CPC Available in IPC and CPC
- F16M 1/023 specially adapted for engines or machines with star-shaped cylinder arrangement IPC+CPC Available in IPC and CPC
- F16M 1/024 facilitating assembly of power-transmitting parts of engines or machines, e.g. of connecting-rods IPC+CPC Available in IPC and CPC
- F16M 1/025 Assembling bearings in casings, e.g. having anchor bolts 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