Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
F05B 2240/313

with adjustable flow intercepting area (F05B2240/312 takes precedence)

Full Title

Components > Rotors > Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor > of changeable form or shape > with adjustable flow intercepting area (F05B2240/312 takes precedence)

Top Applicants

Top Applicants (CPC)

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