Drilldown: Patents

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Patents > Year filed: 1912 & National tech categories : FR 6.4 or USPC 244/224

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Year filed:
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Applicant is inventor:
Tech fields:
airplane (179) · design (88) · stability (73) · frame (55) · construction (47) · aerodynamics (43) · LTA (40) · wings (40) · automatic stability (38) · propellers (35) · propulsion (31) · control (30) · landing (29) · chassis (23) · fuselage (22) · lift (21) · safety (20) · navigation (18) · None (18) · sustentation (18)
Full specification filed date:
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Supplementary to patent:
None (250) · Patent FR-1912-446040 (3) · Patent FR-1912-457441 (2) · Patent FR-1908-405961 (2) · Patent DE-1912-07-11 Luft Fahrzeug G.m.b.H. (2) · Patent FR-1911-448574 (2) · Patent FR-1911-449265 (2) · Patent FR-1912-443895 (2) · Patent FR-1911-429645 (2) · Patent IT-1911-Darbesio (2)
Related to aircraft:
Patent agent:
None (78) · Armengaud jeune (38) · None (23) · Dupont et Elluin (16) · Charles Dony (14) · Hippolyte Josse (12) · J. Bonnet-Thirion (11) · H. Bœttcher fils (9) · Brandon frères (9) · E. Blétry (9) · L. Chassevent (8) · Societe A. Frey et de Carsalade (7) · Weismann et Marx (6) · Gaston Rose (6) · Schwab (6) · Dom. Casalonga (6) · G. Petiau (6) · Émile Bert (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C17/00 (64) · IPC B64C1/00 (47) · IPC B64C39/00 (38) · IPC B64C35/00 (21) · IPC B64C3/38 (17) · IPC B64C11/00 (16) · IPC B64B1/00 (15) · IPC B64D17/00 (14) · IPC B64C25/00 (14) · IPC B64C3/00 (13) · None (12) · IPC B64C3/56 (10) · IPC B64B1/58 (9) · IPC B64C23/00 (7) · IPC B64D17/54 (6) · IPC B64C13/00 (6) · IPC B64D1/04 (5) · IPC B64C27/04 (5) · IPC F41G3/24 (5)
CPCs:
CPC B64C17/00 (66) · CPC B64C39/00 (29) · CPC B64C2700/6295 (27) · CPC B64C2700/6218 (20) · CPC B64C3/385 (16) · CPC B64C35/00 (14) · CPC B64D17/00 (13) · CPC B64B1/00 (12) · CPC B64C3/00 (12) · CPC B64C2700/6212 (11) · CPC B64C13/00 (10) · CPC B64C11/006 (10) · CPC B64C3/56 (10) · CPC B64C25/06 (10) · CPC B64C2700/6219 (10) · CPC B64B1/58 (9) · CPC B64C2700/6256 (9) · CPC B64F2700/6226 (8) · CPC B64C2700/6274 (8) · CPC B64C39/08 (8)
Family year:
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Citations from after 1930:
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