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Patents > National tech categories: FR 6.4 & IPCs : IPC B64C3/18 or IPC B64C3/54 or IPC B64C39/00 or None

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Tech fields:
airplane (226) · design (123) · Frame (89) · wings (72) · None (69) · construction (69) · stability (68) · propulsion (52) · Aerodynamics (47) · propellers (47) · lift (45) · LTA (43) · navigation (41) · control (35) · sustentation (34) · Whole (28) · monoplane (22) · rudder (20) · fuselage (20) · steering (19)
Full specification filed date:
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Supplementary to patent:
None (304) · Patent FR-1908-392672 (5) · Patent FR-1836-5429 (3) · Patent FR-1907-373818 (3) · Patent FR-1917-504302 (3) · Patent FR-1908-396470 (2) · Patent FR-1913-461629 (2) · Patent FR-1850-10514 (2) · Patent FR-1912-441089 (2) · Patent FR-1908-394418 (2) · Patent FR-1910-415046 (2) · Patent FR-1909-403418 (2) · Patent FR-1910-414004 (2)
Related to aircraft:
Patent agent:
None (112) · Armengaud jeune (46) · None (25) · J. Germain (16) · J. Bonnet-Thirion (13) · Boramé et Julien (12) · E. Blétry (12) · Weismann et Marx (9) · Ch. Mardelet (9) · Charles Assi (8) · C. Blétry (8) · Dupont et Elluin (8) · Lavoix et Mosès (8) · Chassevent (7) · Charles Dony (7) · L. Chassevent (7) · G. de Mestral et F. Harlé (7) · G. Petiau (7) · Brandon frères (7)
National tech categories: (Click arrow to add another value)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (213) · CPC B64C2700/6295 (161) · None (63) · CPC B64C3/54 (36) · CPC B64C39/005 (17) · CPC B64C17/00 (16) · CPC B64C39/08 (14) · CPC B64C3/18 (14) · CPC B64C39/008 (13) · CPC B64C39/003 (11) · CPC B64C33/02 (10) · CPC B64C2700/6218 (9) · CPC B64C2700/6246 (8) · CPC B64C3/00 (7) · CPC B64C11/006 (6) · CPC B64C23/005 (6) · CPC B64C3/185 (6) · CPC B64C39/006 (6) · CPC B64C3/385 (5)
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Cites these patents:
Citations from after 1930:
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