Brakes applied by springs or weights and released by vacuum

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems > with fluid assistance, drive, or release > the fluid being gaseous > Vacuum systems > Brakes applied by springs or weights and released by vacuum

CPC:

Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems (arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions B60T8/00; valves incorporated in such systems B60T15/00) > with fluid assistance, drive, or release > the fluid being gaseous > Vacuum systems > Brakes applied by springs or weights and released by vacuum

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

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