F16H 57/021 Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
Introduced: January 2012
Full Title
Full titles differ between systems:
General details of gearing > Gearboxes; Mounting gearing therein > Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
General details of gearing (of screw-and-nut gearing F16H25/00; of fluid gearing F16H39/00 - F16H43/00) > Gearboxes; Mounting gearing therein > Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F16H 57/022 Adjustment of gear shafts or bearings (for compensating misalignment of axes of toothed gearings without orbital motion F16H1/26; for compensating misalignment of axes of planetary gears F16H1/48) since 2012 +5 CPC 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