CPC B64C27/00

CPC B64C27/00 is a patent classification for Rotors peculiar to rotorcraft.

Classification tree:

• CPC B64C27/00 Rotorcraft; Rotors peculiar thereto (alighting gear CPC B64C25/00)
  • CPC B64C27/001
  • CPC B64C27/20 Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
  • CPC B64C27/32 Rotors (features common to rotors and propellers B64C11/00)
    • CPC B64C27/46 Blades
      • CPC B64C27/473 Constructional features (B64C27/463 takes precedence)
        • CPC B64C27/48 Root attachment to rotor head
  • CPC B64C27/54 Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement

References

Other techtypes related to CPC B64C27/00: Helicopter

Patents in category CPC B64C27/00

• Patent DE-1894-82257 (English title: Ausführungsform der unter Patent 79446 geschützten Flugmaschine, Inventors: GAEBERT)
• Patent DE-1907-233097 (English title: Schraubenflieger mit einem unter den Hubschrauben angebrachten Fallschirm und unter diesem widerum befindlichen Steuerflächen, Inventors: DAY, Filing date: 1907-10-02)
• Patent DE-1912-258141 (Filing date: 1912-11-14)
• Patent DE-1913-276892 (Filing date: 1913-02-12)
• Patent DE-1894-79446 (English title: Method and device for lifting or flying loads into the air, Inventors: F. Gaebert, Filing date: 1894-04-12)
• Patent DE-1894-82904 (English title: Flying machine, Inventors: F. Gaebert, Supplementary to patent: Patent DE-1894-79446, Filing date: 1894-09-24)
• Patent DE-1896-89860 (English title: Traction device on flying machines, Inventors: Rudolph Kosch, Filing date: 1896-03-18)
• Patent FR-1907-380651 (English title: Aerial propellers, Inventors: Joseph Frossard, Filing date: 1907-08-09)
• Patent FR-1908-381251 (English title: Improvement to aerial propellers, Inventors: Louis Gathmann, Supplementary to patent: Patent US-1907-871926, Filing date: 1907-08-24)
• Patent US-1910-954574 (English title: Means for steering flying-machines, Inventors: Albert Koegler • Kamillo Steltzer, Jr., Filing date: 1908-03-03)
• Patent FR-1909-409229 (English title: Helicopter with variable propeller inclination, Inventors: Raymond Talmié • Achille Derazey, Filing date: 1909-09-27)
• Patent DE-1909-241653 (English title: Aircraft with propellers pivotable together with the wing, Inventors: Halvor Olsen Eiane, Supplementary to patent: Patent US-1909-964957, Filing date: 1909-10-24)
• Patent FR-1909-410221 (English title: Propeller mechanism for aircraft and flying machines, Inventors: Charles Mylo Lee, Supplementary to patent: Patent US-1908-12-14, Filing date: 1909-12-11)
• Patent FR-1910-410755 (English title: Aerial machines, Inventors: Christian Lorenzen, Supplementary to patent: Patent GB-1908-13809, Filing date: 1909-12-28)
• Patent FR-1910-410140.12452 (English title: Method and mechanisms for automatically stabilizing, steering in flight, and facilitating the takeoff of flying machines, Inventors: Gustav Mees, Supplementary to patent: Patent FR-1909-410140 • Patent DE-1910-01-29 Gustav Mees, Filing date: 1910-02-12)
• Patent FR-1910-420550 (English title: Concentric circular wings with upset movements, Inventors: Alexis Beurrier, Supplementary to patent: Patent BE-1909-219377, Filing date: 1910-09-19)
• Patent FR-1910-424499 (English title: Propulsion-lift propeller for airplanes, Inventors: Émile Lallouette, Filing date: 1910-12-31)
• Patent FR-1911-418630.15045 (English title: Mixed lift airship, Inventors: Miltiade Zacharakis-Kanaris, Supplementary to patent: Patent FR-1910-418630, Filing date: 1911-02-06)
• Patent DE-1911-245740 (English title: Propeller-flyer with propellers driven by flexible shaft, Inventors: Lucile Marcel, Supplementary to patent: Patent FR-1910-417880, Filing date: 1911-03-10)
• Patent FR-1912-435844 (Inventors: Albert Valentine, Filing date: 1911-10-31)
• Patent FR-1911-437780 (English title: Rotating sustentation surface with aeroplane wings, Inventors: Jacob Christian Hansen-Ellehammer • Niels Waltersen Aasen, Filing date: 1911-12-18)
• Patent FR-1912-424499.15387 (English title: Propulsion-lift propeller for airplanes, Inventors: Émile Lallouette, Supplementary to patent: Patent FR-1910-424499, Filing date: 1912-01-29)
• Patent SE-1912-39636 (English title: Wing-wheel flying machine, Inventors: Jacob Christian Hansen-Ellehammer • Niels Waltersen Aasen, Supplementary to patent: Patent DK-1912-02-24-Hansen-Ellehammer-Aasen, Filing date: 1912-09-13)
• Patent FR-1914-464461 (English title: Aerial lift blades with shell, Inventors: Camille Lacoste, Filing date: 1913-01-13)
• Patent FR-1913-458184 (Inventors: Lucien LAUDE, Filing date: 1913-05-17)
• Patent FR-1915-478440 (English title: Helicoplane flying machine, Inventors: Edmond-Louis Douhéret, Filing date: 1915-04-19)
• Patent US-1921-1372498 (Inventors: Ole Petter FROVARP, Filing date: 1918-09-20)
• Patent US-1920-1327514 (English title: Flying machine, Inventors: William H Allman, Filing date: 1918-10-23)

Enclosing categories	CPC B64C
Subcategories	CPC B64C27/001, CPC B64C27/20, CPC B64C27/32, CPC B64C27/54
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