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Patents > IPCs : IPC B64B1/62 or IPC B64C27/04

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Office:
Inventors:
None (7) · Édouard-Jean Bigourdan (5) · Alexis Beurrier (5) · René-Joseph-Ghislain Straunard (5) · Johannes Schilling (4) · Georges Juchmès‎ (4) · Désiré Sival (3) · James Robertson Porter (3) · Edmond-Louis Douhéret (3) · Paul Lehmann (3) · Johann Schütte (3) · Louis Lacoin (3)
Inventor country:
Applicant person:
None (12) · René-Joseph-Ghislain Straunard (5) · Alexis Beurrier (5) · Johannes Schilling (4) · Georges Juchmès (4) · Désiré Sival (3) · Louis Lacoin (3) · Paul Lehmann (3) · Édouard-Jean Bigourdan (3) · Edmond-Louis Douhéret (3) · Johann Schütte (3) · James Robertson Porter (3)
Applicant is inventor:
Tech fields:
LTA (55) · Helicopter (46) · propulsion (27) · propellers (22) · hybrid (18) · airplane (18) · None (17) · ascension (17) · gas (16) · navigation (15) · Design (14) · lift (12) · balloon (10) · ballonet (9) · Frame (9) · construction (9) · heavier-than-air (8)
Full specification filed date:
Application number:
None (19)
Granted:
Supplementary to patent:
None (114) · Patent FR-1913-456298 (3) · Patent DE-1908-239989 (2) · Patent US-1911-1011761 (2) · Patent FR-1915-502520 (2) · Patent FR-1915-478440 (2) · Patent DE-1909-03-30 (2) · Patent FR-1908-407090 (2) · Patent DE-1908-220975 (2)
Related to aircraft:
Patent agent:
None (53) · Lavoix et Mosès (9) · None (8) · Marks & Clerk (5) · Armengaud jeune (5) · Y. Rabilloud et fils (3) · Hy. Fairbrother (3) · Schwab (3) · Munn & Co. (3) · Brandon frères (3) · Browne & Co. (3) · J. S. Withers & Spooner (3) · J. Germain (3) · J. Bonnet-Thirion (3)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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