F16J 15/00 Sealings
Introduced: September 1968
Additional Content IPC
Sealing arrangements for vehicle windows, windscreens, non-fixed roofs, doors, or similar devices Sealing or packing elements for container closures Sealings for general building constructions Sealing arrangements on wings or parts co-operating with wings Sealing arrangements in rotary-piston machines or engines Sealings in non-positive-displacement machines or engines Arrangements of sealings in combustion engines Sealing arrangements in rotary-piston pumps Sealing lead-in or lead-through insulators
Of 9 combined children, 7 exist in both systems.
1 codes are CPC-only extensions, 1 exist only in IPC.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F16J 15/02 between relatively-stationary surfaces (F16J15/46, F16J15/48 take precedence) +1 CPC IPC+CPC Available in IPC and CPC
- F16J 15/16 between relatively-moving surfaces (F16J15/50, F16J15/52 take precedence; bellows pistons F16J3/06; piston-rings or ring sealings of similar construction F16J9/00) +4 CPC IPC+CPC Available in IPC and CPC
- F16J 15/46 with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings (connection of valves to inflatable elastic bodies B60C29/00; ; for tube connections F16L) IPC+CPC Available in IPC and CPC
- F16J 15/50 between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall 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