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DIFF Subgroup
B62D 5/06

fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Power-assisted or power-driven steering > fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle

CPC:

Power-assisted or power-driven steering (for non-deflectable wheels B62D11/00; fluid-pressure servomotors in general F15B) > fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle

Of 10 combined children, 8 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B62D 5/061 CPC only CPC only
  • B62D 5/065 characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist since 2000 IPC+CPC Available in IPC and CPC
  • B62D 5/18 characterised by power transmitting means since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B62,2013–2023, worldwide · Source: EPO PATSTAT

  1. HONDA MOTOR COMPANY JP 5,614
  2. HONDA MOTOR COMPANY 5,534
  3. TOYOTA MOTOR CORPORATION 5,128
  4. HYUNDAI MOTOR COMPANY KR 4,603
  5. FORD GLOBAL TECHNOLOGIES US 4,110
  6. SHIMANO JP 4,017
  7. KIA MOTORS CORPORATION KR 3,365
  8. BMW (BAYERISCHE MOTOREN WERKE) DE 3,336
  9. ROBERT BOSCH DE 2,971
  10. TOYOTA MOTOR CORPORATION JP 2,936

Top Applicants (CPC)

Class B62,2013–2023, worldwide · Source: EPO PATSTAT

  1. HONDA MOTOR COMPANY JP 5,923
  2. HYUNDAI MOTOR COMPANY KR 5,548
  3. FORD GLOBAL TECHNOLOGIES US 5,466
  4. KIA MOTORS CORPORATION KR 4,265
  5. HONDA MOTOR COMPANY 4,147
  6. SHIMANO JP 4,060
  7. ROBERT BOSCH DE 3,750
  8. TOYOTA MOTOR CORPORATION JP 3,683
  9. TOYOTA MOTOR CORPORATION 3,604
  10. BMW (BAYERISCHE MOTOREN WERKE) DE 3,538