Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F02K 9/80

characterised by thrust or thrust vector control (burning control of solid propellants F02K9/26; feeding control of liquid or gaseous propellants F02K9/56; re-ignitable, restartable or intermittently operated rocket-engine plants F02K9/94)

Introduced: January 1980

Title

Titles differ between systems:

IPC: characterised by thrust or thrust vector control

CPC: characterised by thrust or thrust vector control (burning control of solid propellants F02K9/26; feeding control of liquid or gaseous propellants F02K9/56; re-ignitable, restartable or intermittently operated rocket-engine plants F02K9/94)

Full Title

Full titles differ between systems:

IPC:

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > characterised by thrust or thrust vector control

CPC:

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > characterised by thrust or thrust vector control (burning control of solid propellants F02K9/26; feeding control of liquid or gaseous propellants F02K9/56; re-ignitable, restartable or intermittently operated rocket-engine plants F02K9/94)

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

Navigate with arrow keys, Enter to open

  • F02K 9/805 CPC only CPC only
  • F02K 9/82 by injection of a secondary fluid into the rocket exhaust gases since 1980 IPC+CPC Available in IPC and CPC
  • F02K 9/84 using movable nozzles since 1980 IPC+CPC Available in IPC and CPC
  • F02K 9/86 using nozzle throats of adjustable cross- section since 1980 IPC+CPC Available in IPC and CPC
  • F02K 9/88 using auxiliary rocket nozzles since 1980 IPC+CPC Available in IPC and CPC
  • F02K 9/90 using deflectors (F02K9/82 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
  • F02K 9/92 incorporating means for reversing or terminating thrust since 1980 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