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Patents > Year granted: 1921 & Related to aircraft : 1 or yes

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Year granted:
(There are no values for this filter)
Office:
Inventors:
None (31) · Gabriel Voisin (7) · Pierre Le Goaziou (6) · Robert-Jules-Marie-Antoine Desmons (3) · Maurice-Achille Lécuyer (3)
Inventor country:
Applicant person:
None (34) · Gabriel Voisin (7) · Pierre Le Goaziou (6) · Robert-Jules-Marie-Antoine Desmons (3) · Maurice-Achille Lécuyer (3) · Hermann Werner (3)
Applicant is inventor:
Tech fields:
airplane (49) · None (39) · design (25) · frame (19) · propellers (15) · subsystem (14) · construction (14) · Wings (14) · aerodynamics (14) · propulsion (13) · stability (13) · propeller (11) · control (10) · fuselage (8) · lift (7) · landing (6) · chassis (6) · military (6) · hydroaeroplane (6) · sensors (6)
Full specification filed date:
Application number:
None (51)
Grant date:
Granted:
Supplementary to patent:
None (119) · Patent FR-1916-501550 (6) · Patent FR-1915-525800 (2) · Patent FR-1916-493411 (2) · Patent FR-1917-504302 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (93) · None (11) · Dony and Lejeune (5) · John P. Tarbox (4) · Armengaud jeune (3) · Herbert H. Thompson (3) · Paul Blum (2) · M. Zerolo (2) · Marks & Clerk (2) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (2)
National tech categories:
None (72) · FR 6.4 (38) · DE 77h.5 (9) · AT 77d (6) · FR 12.2 (6) · HU V/h (5) · NL 62 (4) · DE 77h.6 (4) · DE 77h.9 (4) · USPC 244/119 (3) · DE 77h.7 (3) · FR 6.3 (2) · USPC 244/79 (2) · NL 62.7 (2) · NL 62.6 (2) · DE 77h.2 (2)
IPCs:
None (48) · IPC B64C3/00 (14) · IPC B64C1/00 (9) · IPC B64C23/00 (8) · IPC B64C11/00 (6) · IPC G01S1/72 (6) · IPC B64C35/00 (6) · IPC B64C17/00 (5) · IPC B64C3/18 (5) · IPC B64C13/00 (4) · IPC B64C1/06 (3) · IPC B64D7/02 (3) · IPC B64C39/00 (3)
CPCs:
None (19) · CPC B64C3/00 (16) · CPC B64C17/00 (9) · CPC B64C23/005 (8) · CPC B64C13/00 (7) · CPC B64C35/00 (7) · CPC G01S1/72 (6) · CPC B64C2001/0063 (5) · CPC B64C2700/6274 (5) · CPC B64C2700/6233 (5) · CPC B64C2700/6235 (5) · CPC B64C2700/6256 (5) · CPC B64D7/02 (4) · CPC B64C2700/6212 (4) · CPC B64C2700/6218 (4) · CPC B64C11/00 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

Showing below up to 173 results in range #1 to #173.

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