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Patents > Year granted: 1920 - 1929 & Office : FR or MX & National tech categories : FR 6 or FR 6.4

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Year granted:
Office: (Click arrow to add another value)
Inventors:
None (23) · Gabriel Voisin (7) · Paul Schmitt (4) · Louis Blériot (4) · Émile Letord (4) · Jean-Adolphe Leseurre (4) · Charles-Édouard-Pierre Gourdou (4) · Maurice-Achille Lécuyer (3) · Émile-Louis Letord (3) · René-Joseph-Ghislain Straunard (3)
Inventor country:
Applicant person:
None (23) · Gabriel Voisin (7) · Émile Letord (4) · Jean-Adolphe Leseurre (4) · Louis Blériot (4) · Paul Schmitt (4) · Charles-Édouard-Pierre Gourdou (4) · Maurice-Achille Lécuyer (3) · Émile-Louis Letord (3) · René-Joseph-Ghislain Straunard (3)
Applicant is inventor:
Tech fields:
airplane (51) · design (36) · construction (23) · frame (22) · propellers (21) · control (16) · wings (15) · Aerodynamics (12) · propulsion (12) · subsystem (11) · None (10) · fuselage (10) · chassis (10) · motors (9) · stability (8) · LTA (6) · lift (6) · ascension (6)
Full specification filed date:
Application number:
None (28) · 496388D (3) · 510210D (2) · 510212D (2)
Granted:
Publication date:
Supplementary to patent:
None (73) · Patent FR-1917-504302 (3) · Patent FR-1916-493411 (2) · Patent FR-1916-502839 (2) · Patent FR-1915-525800 (2) · Patent FR-1916-84082 (2)
Related to aircraft:
Patent agent:
None (14) · Armengaud jeune (11) · M. Zerolo (8) · None (6) · J. Germain (6) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (5) · Paul Blum (5) · Dony and Lejeune (5) · Dupont et Elluin (5) · Weismann et Marx (4) · Lavoix et Moses (4) · E. Wattier (3) · Hippolyte Josse (3) · Louis Tailfer (3)
Assigned to:
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C3/00 (9) · IPC B64C13/00 (8) · IPC B64C23/00 (7) · IPC B64C3/18 (7) · None (7) · IPC B64C3/54 (5) · IPC B64C11/00 (5) · IPC B64C17/00 (5) · IPC B64C25/00 (4) · IPC B64C35/00 (4) · IPC B64B1/40 (3) · IPC B64C13/12 (3) · IPC B64D27/00 (3) · IPC B64C25/36 (3) · IPC B64C1/00 (3) · IPC B64C39/00 (3) · IPC B64C1/06 (3)
CPCs:
CPC B64C3/00 (9) · CPC B64C13/00 (9) · CPC B64C23/005 (7) · CPC B64C2700/6274 (6) · CPC B64C17/00 (6) · CPC B64C35/00 (5) · CPC B64C2700/6233 (5) · CPC B64C3/18 (4) · CPC B64C3/54 (4) · CPC B64C11/00 (4) · CPC B64C2700/6218 (3) · CPC B64C2700/6256 (3) · CPC B64C13/12 (3) · CPC B64D27/00 (3) · None (3) · CPC B64B1/40 (3) · CPC B64C11/04 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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