CPC Main Group
F16L 25/00 Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00 (adjustable or allowing movement F16L27/00; with fluid cut-off means F16L29/00; quick-acting F16L37/00; for double-walled or multi-channel pipes F16L39/00; 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)
14 direct subcodes
Child Classifications
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- F16L 25/01 specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
- F16L 25/02 specially adapted for electrically insulating the two pipe ends of the joint from each other
- F16L 25/04 comprising a collar or ring having a threaded pin rigid with the pipe-encircling member
- F16L 25/06 comprising radial locking means
- F16L 25/10 Sleeveless joints between two pipes, one being introduced into the other
- F16L 25/12 Joints for pipes being spaced apart axially
- F16L 25/14 Joints for pipes of different diameters or cross-section
Top Applicants
Top 10 applicants by patent filingsfor 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