Drilldown: Patents

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Patents > Applicant type : INDIV or А. Нейфельд & National tech categories : FR 6.4 or USPC 244/153R & IPCs : IPC B64C13/00 or IPC B64C31/06 or IPC B64C39/00

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Tech fields:
airplane (150) · Design (96) · frame (59) · stability (47) · Wings (47) · None (44) · construction (43) · control (42) · aerodynamics (41) · propellers (41) · propulsion (36) · lift (33) · kite (28) · sustentation (24) · rudder (23) · whole (21) · steering (21) · Chassis (19) · Fuselage (16)
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None (211) · 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)
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None (51) · Armengaud jeune (29) · None (23) · Weismann et Marx (14) · E. Bletry (10) · J. Bonnet-Thirion (10) · J. Germain (10) · Y. Rabilloud et fils (8) · Brandon freres (8) · Dupont et Elluin (6) · Boramé et Julien (6) · H. Bœttcher fils (6) · L. Chassevent (5) · G. de Mestral et F. Harlé (5)
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