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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup
F01L 9/10

by fluid means, e.g. hydraulic

Full Title

Valve-gear or valve arrangements actuated non-mechanically > by fluid means, e.g. hydraulic

3 direct subcodes

Child Classifications

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  • F01L 9/16 Pneumatic means
  • F01L 9/18 Means for increasing the initial opening force on the valve

Top Applicants

Top 10 applicants by patent filingsfor class F01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 9,989
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
  3. SAFRAN AIRCRAFT ENGINES FR 6,248
  4. HYUNDAI MOTOR COMPANY KR 4,530
  5. SIEMENS DE 4,461
  6. FORD GLOBAL TECHNOLOGIES US 4,029
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,947
  8. TOYOTA MOTOR CORPORATION JP 3,734
  9. GE (GENERAL ELECTRIC COMPANY) 3,415
  10. SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063