Drilldown: Patents

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Patents > Applicant firm: None & Applicant type : INDIV or А. Нейфельд & National tech categories : FR 6.4 or USPC 244/80 & IPCs : IPC B64C13/00 or IPC B64C31/06 or IPC B64C39/00

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Tech fields:
airplane (164) · design (102) · frame (56) · wings (50) · stability (48) · None (46) · propellers (45) · control (43) · Construction (43) · aerodynamics (42) · propulsion (37) · Lift (34) · Rudder (27) · sustentation (25) · Whole (21) · steering (21) · chassis (19) · fuselage (18) · landing (16) · subsystem (16)
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None (197) · Patent FR-1908-392672 (2) · Patent FR-1913-461629 (2) · Patent FR-1912-441089 (2) · Patent FR-1910-414004 (2) · Patent FR-1909-405220 (2) · Patent FR-1908-396470 (2) · Patent FR-1908-394418 (2) · Patent FR-1909-403418 (2)
Related to aircraft:
Patent agent:
None (44) · Armengaud jeune (32) · None (24) · Weismann et Marx (14) · J. Bonnet-Thirion (11) · J. Germain (10) · E. Bletry (10) · Y. Rabilloud et fils (9) · Brandon frères (8) · Dupont et Elluin (6) · Boramé et Julien (6) · H. Bœttcher fils (6) · L. Chassevent (5) · G. de Mestral et F. Harlé (5) · Ch. Mardelet (5) · G. Petiau (5)
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