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Patents > Year granted: 1920 - 1929 & Tech fields : propeller or propulsion or rudder

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Year granted:
Office:
Inventors:
None (14) · Jakob Haw (6) · Christian Lorenzen (5) · Anton Flettner (3) · Émile-Louis Letord (3) · John Edward Thompson (3) · François-Victor Denhaut (2) · Maurice-Achille Lécuyer (2) · Louis Blériot (2) · Arthur R. Lyons (2) · Reinhard Mannesmann (2) · Ernst Heinkel (2) · Louis Béchereau (2) · Albert Francis Zahm (2)
Inventor country:
Applicant person:
None (31) · Anton Flettner (3) · Jakob Haw (3) · Émile-Louis Letord (3) · John Edward Thompson (3) · Ernst Heinkel (2) · Louis Blériot (2) · Christian Lorenzen (2) · Maurice-Achille Lécuyer (2) · Louis Béchereau (2) · François-Victor Denhaut (2) · Arthur R. Lyons (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (49) · 496388D (3)
Granted:
Publication date:
Supplementary to patent:
None (62) · Patent DE-1917-305040 (3) · Patent DE-1917-323641 (2) · Patent DE-1916-332540 (2) · Patent CA-1918-196108 (2)
Related to aircraft:
IPCs:
None (24) · IPC B64C11/00 (7) · IPC B64C11/20 (5) · IPC B64C23/00 (5) · IPC B64C11/16 (4) · IPC B64C11/04 (4) · IPC B64C39/00 (3) · IPC B63H1/12 (3) · IPC B64C9/02 (3) · IPC B64C13/00 (3) · IPC B64C11/36 (3) · IPC B64C11/34 (2) · IPC F03D3/06 (2) · IPC B64D27/00 (2) · IPC B64C11/22 (2)
CPCs:
None (20) · CPC B64C11/04 (7) · CPC B64C23/005 (5) · CPC B64C13/00 (4) · CPC B64C11/00 (4) · CPC B64C11/20 (4) · CPC B64C9/02 (3) · CPC B64C11/36 (3) · CPC B64C11/22 (3) · CPC B64C2700/6274 (3) · CPC B63H1/26 (3) · CPC B64D7/02 (2) · CPC F05B2240/211 (2) · CPC B64C11/18 (2) · CPC B64C11/205 (2) · CPC B64D27/00 (2) · CPC B64D27/04 (2) · CPC F03D3/067 (2) · CPC B64C2700/6256 (2) · CPC F05B2260/72 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

Showing below up to 103 results in range #1 to #103.

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