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Patents > Related to aircraft: Yes & National tech categories: FR 6.4 & First filing: No & Number of text pages: 1-2

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Tech fields:
Airplane (255) · Design (148) · frame (111) · stability (86) · LTA (84) · construction (80) · wings (79) · aerodynamics (73) · propellers (72) · lift (47) · Propulsion (46) · Control (44) · landing (35) · sustentation (35) · automatic stability (33) · Subsystem (31) · navigation (29) · chassis (29) · Hybrid (29)
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Patent agent:
Armengaud jeune (76) · None (65) · J. Bonnet-Thirion (17) · J. Germain (15) · Charles Dony (14) · Hippolyte Josse (14) · G. de Mestral et F. Harlé (12) · L. Chassevent (11) · E. Blétry (11) · Lavoix et Mosès (9) · Boramé et Julien (8) · Émile Klotz (7) · Rigot et Prévost (6) · None (6) · H. Bœttcher fils (6) · Dom. Casalonga (6) · de Bongé (6) · Y. Rabilloud et fils (6) · Brandon frères (6)
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IPCs:
IPC B64C17/00 (45) · IPC B64C39/00 (40) · IPC B64C1/00 (36) · IPC B64B1/00 (35) · IPC B64B1/58 (28) · IPC B64C35/00 (17) · IPC B64C25/00 (17) · IPC B64C11/00 (16) · IPC B64C3/00 (15) · None (15) · IPC B64C23/00 (14) · IPC B64B1/40 (13) · IPC B64C3/38 (13) · IPC B64C3/52 (7) · IPC B64C27/04 (7) · IPC B64C3/54 (7)
CPCs:
CPC B64C17/00 (47) · CPC B64C39/00 (37) · CPC B64B1/00 (36) · CPC B64C2700/6295 (31) · CPC B64B1/58 (28) · CPC B64C2700/6218 (21) · CPC B64C3/00 (16) · CPC B64B1/40 (13) · CPC B64C23/005 (13) · CPC B64C25/06 (12) · CPC B64C3/385 (12) · CPC B64C2700/6274 (11) · CPC B64C35/00 (10) · CPC B64C11/006 (8) · CPC B64C33/02 (8) · CPC B64C25/62 (8) · CPC B64F2700/6226 (8)
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Citations from after 1930:
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