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CPC Subgroup
B60T 15/36

Other control devices or valves characterised by definite functions

Full Title

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 > Other control devices or valves characterised by definite functions

9 direct subcodes

Child Classifications

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  • B60T 15/46 for retarding braking action to prevent rear vehicles of a vehicle train overtaking the forward ones
  • B60T 15/52 for quick release of brakes, e.g. for influencing counter- pressure in triple valve or recirculating air from reservoir or brake cylinder to brake pipe
  • B60T 15/54 for controlling exhaust from triple valve or from brake cylinder
  • B60T 15/56 for filling reservoirs by means of a secondary supply pipe
  • B60T 15/58 for supplying control impulses through a secondary air pipe
  • B60T 15/60 for releasing or applying brakes when vehicles of a vehicle train are uncoupled

Top Applicants

Top 10 applicants by patent filingsfor class B60, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HYUNDAI MOTOR COMPANY KR 31,729
  2. FORD GLOBAL TECHNOLOGIES US 29,270
  3. KIA MOTORS CORPORATION KR 23,892
  4. ROBERT BOSCH DE 20,384
  5. TOYOTA MOTOR CORPORATION JP 20,311
  6. TOYOTA MOTOR CORPORATION 20,237
  7. BMW (BAYERISCHE MOTOREN WERKE) DE 14,629
  8. GM GLOBAL TECHNOLOGY OPERATIONS US 11,896
  9. AUDI DE 11,084
  10. HONDA MOTOR COMPANY 10,940