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CPC Subgroup Additional Only
F02G 2243/08

External regenerators, e.g. "Rankine Napier" engines

Full Title

Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by volume changes > having pistons and displacers in the same cylinder > Crank-connecting-rod drives > External regenerators, e.g. "Rankine Napier" 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