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DIFF Subgroup
F02P 17/04

dynamically

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines > Checking or adjusting ignition timing > dynamically

CPC:

Testing of ignition installations, e.g. in combination with adjusting (testing fuel injection apparatus F02M65/00; testing ignition installations in general F23Q23/00); Testing of ignition timing in compression-ignition engines > Checking or adjusting ignition timing > dynamically

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

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  • F02P 17/06 using a stroboscopic lamp since 1995 IPC+CPC Available in IPC and CPC
  • F02P 17/08 using a cathode-ray oscilloscope (F02P17/06 takes precedence) since 1995 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F02,2013–2023, worldwide · Source: EPO PATSTAT

  1. TOYOTA MOTOR CORPORATION 8,687
  2. ROBERT BOSCH DE 8,328
  3. FORD GLOBAL TECHNOLOGIES US 7,423
  4. GE (GENERAL ELECTRIC COMPANY) US 5,732
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
  6. HYUNDAI MOTOR COMPANY KR 4,699
  7. TOYOTA MOTOR CORPORATION JP 4,541
  8. DENSO CORPORATION 3,711
  9. WEICHAI POWER COMPANY 3,486
  10. SAFRAN AIRCRAFT ENGINES FR 3,249

Top Applicants (CPC)

Class F02,2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 8,801
  2. FORD GLOBAL TECHNOLOGIES US 8,171
  3. GE (GENERAL ELECTRIC COMPANY) US 6,957
  4. HYUNDAI MOTOR COMPANY KR 5,390
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
  6. TOYOTA MOTOR CORPORATION JP 5,214
  7. TOYOTA MOTOR CORPORATION 4,149
  8. DENSO CORPORATION JP 3,400
  9. KIA MOTORS CORPORATION KR 3,388
  10. SAFRAN AIRCRAFT ENGINES FR 3,332