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PCE
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DIFF Subgroup
F02M 37/32

characterised by filters or filter arrangements

Introduced: January 2019

Full Title

Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines > Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system > characterised by filters or filter arrangements

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

IPC defines codes here since 2019.

Child Classifications

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  • F02M 37/34 by the filter structure, e.g. honeycomb, mesh or fibrous since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/36 with bypass means since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/38 with regeneration means since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/40 with means for detection of clogging since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/42 Installation or removal of filters since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/44 Filters structurally associated with pumps since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/46 Filters structurally associated with pressure regulators since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/48 Filters structurally associated with fuel valves since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/50 Filters arranged in or on fuel tanks since 2019 IPC+CPC Available in IPC and CPC
  • F02M 37/52 using magnetic means since 2019 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