DIFF Subgroup
B60T 15/02 Application and release valves
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Construction, arrangement, or operation of valves incorporated in power brake systems and not covered by groups or > Application and release valves
CPC:
Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00 (valve structures responsive to a speed condition B60T8/34; valves in general F16K) > Application and release valves
Of 5 combined children, 3 exist in both systems.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B60T 15/18 Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere +3 CPC IPC+CPC Available in IPC and CPC
- B60T 15/36 Other control devices or valves characterised by definite functions IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B60,2013–2023, worldwide · Source: EPO PATSTAT
- TOYOTA MOTOR CORPORATION 28,052
- HYUNDAI MOTOR COMPANY KR 27,773
- FORD GLOBAL TECHNOLOGIES US 26,243
- KIA MOTORS CORPORATION KR 20,110
- ROBERT BOSCH DE 19,033
- TOYOTA MOTOR CORPORATION JP 17,924
- BMW (BAYERISCHE MOTOREN WERKE) DE 14,214
- HONDA MOTOR COMPANY 12,527
- AUDI DE 10,806
- GM GLOBAL TECHNOLOGY OPERATIONS US 10,336
Top Applicants (CPC)
Class B60,2013–2023, worldwide · Source: EPO PATSTAT
- HYUNDAI MOTOR COMPANY KR 31,729
- FORD GLOBAL TECHNOLOGIES US 29,270
- KIA MOTORS CORPORATION KR 23,892
- ROBERT BOSCH DE 20,384
- TOYOTA MOTOR CORPORATION JP 20,311
- TOYOTA MOTOR CORPORATION 20,237
- BMW (BAYERISCHE MOTOREN WERKE) DE 14,629
- GM GLOBAL TECHNOLOGY OPERATIONS US 11,896
- AUDI DE 11,084
- HONDA MOTOR COMPANY 10,940