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CPC Subgroup Additional Only
F02B 2700/02

Four stroke engines

Full Title

Measures relating to the combustion process without indication of the kind of fuel or with more than one fuel > Four stroke engines

5 direct subcodes

Child Classifications

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  • F02B 2700/021 with measures for removing exhaust gases from the cylinder
  • F02B 2700/023 with measures for charging, increasing the power
  • F02B 2700/025 with measures for compressing the cylinder charge
  • F02B 2700/026 with measures for increasing the part of the heat transferred to power, compound engines
  • F02B 2700/028 double-acting

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