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Patents > National tech categories : FR 6.2 or USPC 244/139 or USPC 244/22

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Office:
Inventors:
None (16) · Antoine-Padoue Filippi (9) · André-Julien Mahoudeau (7) · Louis-Honoré Gauthier (5) · Louis-Marie Le Dantec (4) · Jules Collomb (3) · Léon-Frédéric Granier (3) · Louis-Pierre-Guilhaume Balestrié (3) · Gabriel Babillot (3)
Inventor country:
Applicant person:
None (30) · Antoine-Padoue Filippi (8) · André-Julien Mahoudeau dit de Villethiou (6) · Louis-Marie Le Dantec (4) · Louis-Honoré Gauthier (4) · Jules Collomb (3) · Gabriel Babillot (3) · Léon-Frédéric Granier (3) · Louis-Pierre-Guilhaume Balestrié (3)
Applicant is inventor:
Tech fields:
propulsion (90) · propellers (61) · None (45) · marine (37) · flapping (32) · Frame (32) · propeller (30) · navigation (29) · airplane (24) · ornithopter (23) · design (23) · LTA (17) · rudder (17) · parachute (16) · Subsystem (16) · aerodynamics (12) · Stability (12) · Hybrid (12) · safety (11)
Full specification filed date:
Application number:
None (69) · 423792D (2)
Granted:
Publication date:
Supplementary to patent:
None (168) · Patent FR-1841-9265 (6) · Patent FR-1910-423792 (5) · Patent FR-1910-424987 (3) · Patent FR-1908-404631 (2) · Patent FR-1910-435166 (2) · Patent FR-1911-430455 (2) · Patent FR-1909-410528 (2)
Related to aircraft:
Patent agent:
None (75) · Dom. Casalonga (10) · None (9) · Munn & Co. (6) · Armengaud jeune (5) · C. A. Snow & Co. (4) · De Bongé (4) · Weismann et Marx (3) · Victor J. Evans (3) · G. Petiau (3) · Charles Dony (3) · Y. Rabilloud et fils (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (105) · IPC B63H1/12 (20) · IPC B64C33/00 (13) · IPC B64C11/00 (13) · IPC B64C33/02 (11) · IPC B64C11/16 (6) · IPC B64C39/00 (5) · IPC B64B1/00 (4) · IPC B64C11/04 (4) · IPC B63H1/36 (3) · IPC B64D25/12 (3) · IPC B64D25/00 (3) · IPC B63H3/00 (3) · IPC B63B3/40 (2) · IPC B64C11/24 (2) · IPC B63H1/04 (2) · IPC B63H1/16 (2)
CPCs:
CPC B64C33/02 (71) · None (26) · CPC B64C11/006 (14) · CPC B63H1/26 (12) · CPC B64C11/16 (10) · CPC B63H2001/122 (7) · CPC B64C23/005 (6) · CPC B64B1/00 (6) · CPC B64C33/00 (5) · CPC B64C27/006 (5) · CPC B63H1/12 (5) · CPC B64C2700/6295 (4) · CPC B64C11/18 (4) · CPC B64C11/04 (4) · CPC B63H1/20 (4) · CPC B64D17/80 (3) · CPC B63H1/265 (3) · CPC B63H1/36 (3) · CPC B64C17/00 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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