Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
F02B 2720/12

Four stroke engines with ignition device

Full Title

Engines with liquid fuel > Four stroke engines with ignition device

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • F02B 2720/122 with measures for removing exhaust gases from the cylinder
  • F02B 2720/124 with measures for charging, increasing the power
  • F02B 2720/126 with measures for compressing the cylinder charge
  • F02B 2720/128 with measures for increasing the part of the heat transferred to power, compound engines

Top Applicants

Top 10 applicants by patent filingsfor 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