F16L 21/06 with a divided sleeve or ring clamping around the pipe ends (flanged joints F16L23/00; couplings of the quick-acting type F16L37/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: with a divided sleeve or ring clamping around the pipe ends
CPC: with a divided sleeve or ring clamping around the pipe ends (flanged joints F16L23/00; couplings of the quick-acting type F16L37/00)
Full Title
Full titles differ between systems:
Joints with sleeve or socket > with a divided sleeve or ring clamping around the pipe ends
Joints with sleeve or socket (F16L13/00, F16L17/00, F16L19/00 take precedence; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00) > with a divided sleeve or ring clamping around the pipe ends (flanged joints F16L23/00; couplings of the quick-acting type F16L37/00)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open
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