F16L 55/16 Devices for covering leaks in pipes or hoses, e.g. hose-menders
Introduced: September 1968
Full Title
Full titles differ between systems:
Devices or appurtenances for use in, or in connection with, pipes or pipe systems > Devices for covering leaks in pipes or hoses, e.g. hose-menders
Devices or appurtenances for use in, or in connection with, pipes or pipe systems (F16L1/00 - F16L53/00, F16L57/00, F16L59/00 take precedence; repairing or joining pipes on or under water F16L1/26; cleaning of pipes B08B9/02, e.g. removal of blockages B08B9/027; devices for preventing bursting of water pipes by freezing E03B7/10) > Devices for covering leaks in pipes or hoses, e.g. hose-menders
CPC subdivides this area 2x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- F16L 55/162 from inside the pipe ( specially adapted for bends, branch units, branching pipes, or the like F16L55/179) since 1990 IPC+CPC Available in IPC and CPC
- F16L 55/168 from outside the pipe (specially adapted for bends, branch units, branching pipes, or the like F16L55/179) since 1990 +2 CPC IPC+CPC Available in IPC and CPC
- F16L 55/179 specially adapted for bends, branch units, branching pipes or the like since 2000 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