CPC B64D35/06

CPC B64D35/06 is a patent subclass for sets of counter-rotating propellers or rotors.^[1]^[2]

Patent subclass tree:

B64D35/00 Transmitting power from power plant to propellers or rotors; Arrangements of transmissions (propellers or rotors per se, helicopter transmissions B64C)
- B64D35/04 characterised by the transmission driving a plurality of propellers or rotors
  - B64D35/06 the propellers or rotors being counter-rotating

This wiki has 8 patents in category "CPC B64D35/06".

Patents in category CPC B64D35/06

Patent GB-1909-20854 (English title: Aeroplane propulsion, Inventors: Thomas Christopher Murphy • James Murray Bett, Filing date: 1909-09-11)
Patent GB-1910-27082 (English title: Improvements to aeroplanes, Inventors: Thomas Christopher Murphy • James Murray Bett, Supplementary to patent: Patent GB-1909-20854, Filing date: 1909-11-22)
Patent DE-1911-330185 (English title: Propulsion device for aircraft with multiple engines and multiple propellers, Inventors: Gaston Rose, Filing date: 1911-06-21)
Patent GB-1911-27800 (English title: Propulsion of Flying Machines, Inventors: Boris Loutzkoy, Filing date: 1911-12-11)
Patent FR-1912-445163 (English title: refinements brought to groups of multiple moto-propellers for aeroplanes and similar engines, Inventors: Gaston Rose, Supplementary to patent: Patent DE-1911-330185, Filing date: 1912-06-19)
Patent GB-1912-14375 (English title: Improvements in or relating to Propelling Means for Aerial Machines, Inventors: Gaston Rose, Supplementary to patent: Patent DE-1911-330185, Filing date: 1912-06-19)
Patent FR-1914-473423 (English title: Improvements brought to airplane propulsion and related engines, Supplementary to patent: Patent AT-1914-78033, Filing date: 1914-06-13, Applicant firm: Jacob Lohner & Co.)
Patent FR-1919-534020.24206 (English title: Improvements in airplanes, Inventors: Robert-Jules-Marie-Antoine Desmons, Supplementary to patent: Patent FR-1917-534020, Filing date: 1919-10-03)

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