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Patents > IPCs : IPC B64C17/00 or IPC B64C27/10 or IPC B64C33/02

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Tech fields:
None (274) · Stability (256) · airplane (182) · Automatic stability (86) · control (60) · frame (47) · flapping (47) · wings (47) · Design (46) · equilibrium (41) · Subsystem (40) · propulsion (35) · aerodynamics (34) · ornithopter (27) · rudder (22) · Pendulum (21) · navigation (21) · steering (20) · Construction (20)
Full specification filed date:
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Related to aircraft:
Patent agent:
None (160) · None (49) · Armengaud jeune (29) · Marks & Clerk (19) · E. Blétry (18) · Schwab (12) · J. Bonnet-Thirion (11) · Lavoix et Mosès (11) · J. Germain (11) · Matray frères et Cie (11) · Charles Dony (11) · Haseltine, Lake & Co. (10) · Hippolyte Josse (9) · P. Follin (9) · Herbert Haddan & Co. (8) · Paul Coulomb (8) · Abel & Imray (8) · Rigot et Prévost (8) · Brandon frères (8)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (547) · CPC B64C2700/6218 (197) · CPC B64C33/02 (164) · CPC B64C2700/6212 (120) · CPC B64C2700/6214 (67) · CPC B64C2700/6219 (35) · CPC B64C2700/6215 (17) · None (7) · CPC B64C27/10 (5) · CPC B64C1/00 (5) · CPC B64C2700/6211 (5) · CPC B64C33/00 (3) · CPC B64C23/005 (3) · CPC B64C33/025 (3) · CPC B64C3/48 (3) · CPC B64C3/38 (2) · CPC H03B7/10 (2) · CPC B64C2700/6273 (2)
First filing:
Citations from after 1930:
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