Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Tech fields : Airplane or Subsystem or propeller or propellers or propulsion & Number of text pages: 1-2

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Office:
Inventors:
None (46) · Ernst Heinkel (11) · Jakob Haw (8) · Paul Schmitt (5) · Pierre-Jean-René Postel-Vinay (5) · Gabriel Voisin (5) · Christian Lorenzen (4) · Adolphe Clément-Bayard (3) · Deutsche Flugzeug Werke (3) · René-Joseph-Ghislain Straunard (3) · François-Victor Denhaut (3) · Walter George Tarrant (3) · Gustave Delage (3)
Inventor country:
Applicant person:
None (65) · Ernst Heinkel (11) · Jakob Haw (6) · Gabriel Voisin (5) · Paul Schmitt (5) · Pierre-Jean-René Postel-Vinay (5) · René-Joseph-Ghislain Straunard (3) · Adolphe Clément-Bayard (3) · Walter George Tarrant (3) · François-Victor Denhaut (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (85) · 496388D (2)
Granted:
Supplementary to patent:
None (117) · Patent DE-1919-319462 (2) · Patent DE-1917-305040 (2) · Patent DE-1916-349065 (2) · Patent DE-1921-384750 (2)
Related to aircraft:
Patent agent:
None (120) · M. Zerolo (6) · Dony and Lejeune (4) · Dupont et Elluin (3) · Armengaud jeune (3) · Lavoix et Mosès‎ (3) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (2) · Paul Blum (2) · None (2) · Albert E. Parker (2) · Jensen & Son (2) · Dom. Casalonga (2)
IPCs:
None (45) · IPC B64C3/00 (19) · IPC B64C11/20 (8) · IPC B64C11/00 (7) · IPC B64C3/18 (6) · IPC B64C13/00 (5) · IPC B64C11/04 (5) · IPC B64C3/56 (4) · IPC B64D27/04 (4) · IPC B64C39/00 (4) · IPC B64C35/00 (4)
CPCs:
None (39) · CPC B64C3/00 (20) · CPC B64C13/00 (8) · CPC B64C11/04 (8) · CPC B64C11/00 (6) · CPC B64D27/04 (5) · CPC B64C2700/6235 (5) · CPC B64C3/56 (4) · CPC B64D7/02 (4) · CPC B64C2001/0063 (4) · CPC B64C11/205 (4) · CPC B64C11/20 (4) · CPC B64C35/00 (4) · CPC B64C1/06 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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