Drilldown: Patents

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Patents > Applicant firm: None & Applicant type : INDIV or А. Нейфельд & National tech categories : FR 6.4 or IT 8 or USPC 244/153R & IPCs : IPC B64B1/40 or IPC B64C13/00 or IPC B64C31/06 or IPC B64C39/00

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Tech fields:
airplane (164) · design (104) · frame (60) · stability (56) · wings (50) · propellers (47) · None (46) · construction (46) · control (44) · aerodynamics (42) · propulsion (38) · Lift (34) · Rudder (28) · kite (27) · sustentation (25) · LTA (25) · steering (22) · Whole (21) · chassis (19) · fuselage (18)
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Supplementary to patent:
None (231) · Patent FR-1913-461629 (2) · Patent FR-1909-403418 (2) · Patent FR-1910-414004 (2) · Patent FR-1908-396470 (2) · Patent FR-1912-441089 (2) · Patent FR-1908-394418 (2) · Patent FR-1908-392672 (2) · Patent FR-1909-405220 (2)
Related to aircraft:
Patent agent:
None (52) · Armengaud jeune (36) · None (27) · Weismann et Marx (14) · J. Bonnet-Thirion (12) · E. Bletry (11) · J. Germain (10) · Y. Rabilloud et fils (9) · Brandon frères (8) · Lavoix et Mosès (7) · Dupont et Elluin (6) · Boramé et Julien (6) · H. Bœttcher fils (6) · G. de Mestral et F. Harlé (5) · G. Petiau (5) · L. Chassevent (5) · Chassevent (5) · C. Blétry (5) · Ch. Mardelet (5)
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