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CPC Subgroup Additional Only
F05D 2270/50

Control logic embodiments

Full Title

Control > Control logic embodiments

4 direct subcodes

Child Classifications

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  • F05D 2270/52 by electrical means, e.g. relays or switches
  • F05D 2270/54 by electronic means, e.g. electronic tubes, transistors or IC's within an electronic circuit
  • F05D 2270/56 by hydraulic means, e.g. hydraulic valves within a hydraulic circuit
  • F05D 2270/58 by mechanical means, e.g. levers, gears or cams

Top Applicants

Top 10 applicants by patent filingsfor class F05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 12,002
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 8,736
  3. SAFRAN AIRCRAFT ENGINES FR 6,804
  4. RAYTHEON TECHNOLOGIES CORPORATION US 4,530
  5. SIEMENS DE 4,371
  6. GE (GENERAL ELECTRIC COMPANY) 3,686
  7. ROLLS-ROYCE GB 3,594
  8. PRATT & WHITNEY CANADA CORPORATION CA 3,415
  9. VESTAS DK 3,076
  10. WOBBEN PROPERTIES DE 2,614