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DIFF Subgroup
B60T 11/228

Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir (B60T11/232 takes precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir

CPC: Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir (B60T11/232 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant > transmitting by fluid means, e.g. hydraulic > Master control, e.g. master cylinders > Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir

CPC:

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) > Pressure-maintaining arrangements, e.g. for replenishing the master cylinder chamber with fluid from a reservoir (B60T11/232 takes precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class B60,2013–2023, worldwide · Source: EPO PATSTAT

  1. TOYOTA MOTOR CORPORATION 28,052
  2. HYUNDAI MOTOR COMPANY KR 27,773
  3. FORD GLOBAL TECHNOLOGIES US 26,243
  4. KIA MOTORS CORPORATION KR 20,110
  5. ROBERT BOSCH DE 19,033
  6. TOYOTA MOTOR CORPORATION JP 17,924
  7. BMW (BAYERISCHE MOTOREN WERKE) DE 14,214
  8. HONDA MOTOR COMPANY 12,527
  9. AUDI DE 10,806
  10. GM GLOBAL TECHNOLOGY OPERATIONS US 10,336

Top Applicants (CPC)

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