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Patents > Office: FR & National tech categories: FR 6.4 & IPCs : IPC B64C3/00 or IPC B64C39/00

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Office: (Click arrow to add another value)
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Tech fields:
airplane (167) · design (107) · frame (74) · construction (69) · wings (64) · None (55) · aerodynamics (43) · Propellers (37) · Propulsion (36) · stability (35) · Lift (33) · sustentation (27) · fuselage (26) · Control (26) · Whole (20) · subsystem (19) · Chassis (17) · aeroplane (17) · Rudder (17) · monoplane (16)
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Supplementary to patent:
None (221) · Patent FR-1907-373818 (4) · Patent FR-1909-403418 (2) · Patent FR-1913-461629 (2) · Patent FR-1908-394418 (2) · Patent FR-1908-396470 (2) · Patent FR-1912-441089 (2) · Patent FR-1910-414004 (2) · Patent FR-1917-504302 (2) · Patent FR-1909-412818 (2) · Patent FR-1911-428217 (2) · Patent FR-1911-429224 (2)
Related to aircraft:
Patent agent:
None (55) · Armengaud jeune (30) · None (25) · J. Germain (13) · J. Bonnet-Thirion (11) · Dupont et Elluin (11) · Weismann et Marx (10) · Borame et Julien (10) · Lavoix et Moses (9) · E. Bletry (9) · L. Chassevent (8) · Société A. Frey et de Carsalade (6) · Charles Dony (6) · Y. Rabilloud et fils (6) · G. de Mestral et F. Harlé (6) · Hippolyte Josse (5) · Dom. Casalonga (5) · Gaston Rose (5) · C. Blétry (5)
National tech categories: (Click arrow to add another value)
IPCs: (Click arrow to add another value)
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Citations from after 1930:
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