F16L 27/04 with partly-spherical engaging surfaces
Introduced: September 1968
Full Title
Full titles differ between systems:
Adjustable joints; Joints allowing movement > Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction > with partly-spherical engaging surfaces
Adjustable joints; Joints allowing movement (of the quick-acting type F16L37/50; for double-walled or multi-channel pipes or pipe assemblies F16L39/04 ) > Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction > with partly-spherical engaging surfaces
Of 5 combined children, 3 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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- F16L 27/047 held in place by a screwed member having an internal spherical surface since 1990 IPC+CPC Available in IPC and CPC
- F16L 27/053 held in place by bolts passing through flanges since 1990 IPC+CPC Available in IPC and CPC
- F16L 27/06 with special sealing means between the engaging surfaces 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