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CPC Subgroup Additional Only
F05D 2260/70

Adjusting of angle of incidence or attack of rotating blades

Full Title

Function > Adjusting of angle of incidence or attack of rotating blades

8 direct subcodes

Child Classifications

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  • F05D 2260/71 as a function of flow velocity
  • F05D 2260/72 by turning around an axis parallel to the rotor centre line
  • F05D 2260/74 by turning around an axis perpendicular the rotor centre line
  • F05D 2260/75 the adjusting mechanism not using auxiliary power sources, e.g. by "servos"
  • F05D 2260/76 the adjusting mechanism using auxiliary power sources
  • F05D 2260/77 the adjusting mechanism driven or triggered by centrifugal forces
  • F05D 2260/78 the adjusting mechanism driven or triggered by aerodynamic forces
  • F05D 2260/79 Bearing, support or actuation arrangements therefor

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