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CPC Subgroup
B60T 11/16

Master control, e.g. master cylinders (master cylinders associated with vacuum boosters B60T13/565)

Full Title

Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant (the power assistance or drive being essential B60T13/00) > transmitting by fluid means, e.g. hydraulic > Master control, e.g. master cylinders (master cylinders associated with vacuum boosters B60T13/565)

8 direct subcodes

Child Classifications

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  • B60T 11/18 Connection thereof to initiating means
  • B60T 11/22 characterised by being integral with reservoir
  • B60T 11/224 with pressure-varying means, e.g. with two stage operation provided by use of different piston diameters including continuous variation from one diameter to another
  • B60T 11/228 Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir (B60T11/232 takes precedence)
  • B60T 11/232 Recuperation valves
  • B60T 11/236 Piston sealing arrangements

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