CPC B64C27/20

CPC B64C27/20 is a patent classification for Rotorcraft characterised by having shrouded rotors, e.g. flying platforms.

Classification tree:

• CPC B64C27/00 Rotorcraft; Rotors peculiar thereto (alighting gear B64C25/00)
  • CPC B64C27/20 Rotorcraft characterised by having shrouded rotors, e.g. flying platforms

References

This wiki has 22 patents in category "CPC B64C27/20". Other techtypes related to CPC B64C27/20: CPC B64C2700/6281

Patents in category CPC B64C27/20

• Patent GB-1917-111374 (Inventors: James Robertson Porter, Filing date: 1917-01-05)
• Patent FR-1904-345362 (English title: Flying machine, Inventors: Dimitri Popescu • Isak Aspis, Filing date: 1904-07-27)
• Patent FR-1905-357917 (English title: Aviation apparatus, Inventors: Jules Cornu • Paul Cornu, Filing date: 1905-09-21)
• Patent DE-1906-188564 (English title: Flying device with lifting screws and surfaces arranged under them, Inventors: Jules Cornu • Paul Cornu, Supplementary to patent: Patent FR-1905-357917, Filing date: 1906-08-27)
• Patent DE-1907-222868 (English title: Propeller-driven airplane, Inventors: Emil Neyen, Filing date: 1907-11-05)
• Patent FR-1908-403993 (English title: Aviation device, Inventors: Marius Ratignier, Filing date: 1908-10-07, Applicant firm: Societe H. Pervilhac et Cie)
• Patent GB-1909-5391 (English title: Improvements in Airships, Inventors: James Robertson Porter, Filing date: 1909-03-05)
• Patent GB-1909-11754 (English title: Improvements in Apparatus for Aerial Navigation, Inventors: Edward Arthur Geoghegan • George Matthews Lindsay Moore-Irvine, Filing date: 1909-05-11)
• Patent GB-1909-20607 (English title: Aeronautical Apparatus, Inventors: Lewis Thomas Godfrey Evans, Filing date: 1909-09-03)
• Patent FR-1910-406840 (Inventors: Johann August Lidvall, Filing date: 1909-09-07)
• Patent GB-1910-2203 (Inventors: Herbert William Hall, Filing date: 1910-01-28)
• Patent GB-1911-10703 (English title: Improvements in Airships, Inventors: James Robertson Porter, Supplementary to patent: Patent GB-1908-21261, Filing date: 1911-05-03)
• Patent GB-1912-5680 (English title: Improvements in and relating to Flying Machines, Inventors: Jesse James Dillon, Supplementary to patent: Patent US-1911-1011761, Filing date: 1912-03-06)
• Patent GB-1912-5966 (Inventors: James Robertson Porter, Filing date: 1912-03-09)
• Patent GB-1912-15735 (Inventors: James Robertson Porter, Filing date: 1912-07-05)
• Patent GB-1913-5223 (English title: Improvements in the Construction of Aeronautical Machines, Inventors: James Robertson Porter, Filing date: 1913-03-01)
• Patent FR-1913-463968 (English title: Propeller-driven autoglider, Supplementary to patent: Patent BE-1912-250406 • Patent BE-1912-250457 • Patent BE-1913-250457.252822 • Patent BE-1913-250406.252841 • Patent BE-1913-02-12 Alfred E. Wunderlich, Filing date: 1913-10-24, Applicant firm: Société Anonyme L'Aéra)
• Patent GB-1914-975 (English title: Improvements in Aeronautical Machines, Inventors: James Robertson Porter, Filing date: 1914-01-13)
• Patent FR-1914-468999 (English title: Improvements to construction of aerial machines, Inventors: James Robertson Porter, Supplementary to patent: Patent GB-1913-5223, Filing date: 1914-02-27)
• Patent GB-1915-2943 (English title: Improvements in and relating to Aeronautical Machines, Inventors: James Robertson Porter, Filing date: 1915-02-23)
• Patent GB-1916-109672 (English title: Improvements in Aircraft for Observation and like purposes, Inventors: Percy John Pybus, Filing date: 1916-09-30, Applicant firm: Phoenix Dynamo)
• Patent DE-1917-362850 (English title: Propeller plane, Inventors: Franz Bernards, Filing date: 1917-09-13)

Enclosing categories	CPC B64C27/00
Subcategories
Keywords	CPC B64C2700/6281
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