CPC B64C27/20
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CPC B64C27/20 is a patent classification for Rotorcraft characterised by having shrouded rotors, e.g. flying platforms.[1][2]
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
- ↑ CPC B64C27/20 element at Espacenet web site
- ↑ CPC B64C27/20 element listed at USPTO
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 DE-1906-188564 (Filing date: 1906-08-28)
- Patent GB-1916-109672 (Filing date: 1916-09-30)
- Patent GB-1917-111374 (Inventors: James Robertson Porter, Filing date: 1917-01-05)
- Patent DE-1917-362850 (Filing date: 1917-09-13)
- 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-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 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 US-1916-1178739 (English title: Air-navigating machine, Inventors: David McIntyre, Filing date: 1915-10-18)
| Enclosing categories | CPC B64C27/00 |
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| Keywords | CPC B64C2700/6281 |
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