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Patents > Year filed: 1911 & National tech categories : FR 6.4 or USPC 244/93

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Tech fields:
None (173) · airplane (82) · stability (59) · frame (32) · wings (31) · construction (30) · design (29) · LTA (23) · Subsystem (20) · control (19) · automatic stability (14) · aerodynamics (14) · propulsion (13) · landing (13) · fuselage (13) · navigation (12) · chassis (12)
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Supplementary to patent:
None (249) · Patent FR-1909-420322 (4) · Patent FR-1907-373818 (3) · Patent FR-1910-418630 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1911-429078 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent FR-1908-397350 (2) · Patent FR-1911-430799 (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1910-420958 (2) · Patent FR-1910-435648 (2) · Patent FR-1910-421257 (2)
Related to aircraft:
Patent agent:
None (47) · Armengaud jeune (36) · None (25) · L. Chassevent (21) · E. Blétry (17) · J. Bonnet-Thirion (14) · Dupont et Elluin (13) · Hippolyte Josse (13) · Charles Dony (9) · Weismann et Marx (8) · Boramé et Julien (8) · Schwab (8) · Rigot et Prévost (8) · de Bongé (7) · H. Bœttcher fils (7) · J. Germain (6) · G. Petiau (6) · C. Blétry (6)
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National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C17/00 (83) · IPC B64C1/00 (65) · IPC B64C39/00 (54) · IPC B64C25/00 (20) · None (18) · IPC B64C3/00 (16) · IPC B64C23/00 (15) · IPC B64C3/38 (12) · IPC B64B1/00 (12) · IPC B64C11/00 (12) · IPC B64D17/00 (9) · IPC B64C33/02 (9) · IPC B64B1/58 (7) · IPC B64C3/56 (6) · IPC B64C17/06 (6) · IPC B64B1/40 (5) · IPC B64C13/00 (4) · IPC F41G3/24 (4) · IPC B64C3/54 (4)
CPCs:
CPC B64C17/00 (92) · CPC B64C39/00 (48) · CPC B64C2700/6295 (30) · CPC B64C2700/6218 (30) · CPC B64F2700/6226 (17) · CPC B64C2700/6212 (16) · CPC B64C25/06 (16) · CPC B64C3/00 (16) · CPC B64C1/00 (15) · CPC B64C23/005 (15) · CPC B64C25/62 (12) · CPC B64C2700/6274 (12) · CPC B64C2700/6214 (12) · CPC B64C3/385 (11) · CPC B64C33/02 (11) · CPC B64B1/00 (10) · CPC B64C11/006 (9) · CPC B64D17/00 (9) · CPC B64C2700/6235 (9) · CPC B64C2700/6228 (8)
First filing:
Citations from after 1930:
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