Drilldown: Patents

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Patents > Office : AT or FR & Applicant firm: None & Supplementary to patent: None & IPCs : IPC B64C3/00 or IPC B64C33/02 or IPC B64C39/00

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Tech fields:
airplane (110) · design (67) · Wings (52) · frame (45) · propulsion (45) · None (43) · construction (39) · aerodynamics (27) · Propellers (27) · stability (24) · lift (21) · Sustentation (20) · flapping (18) · control (18) · fuselage (17) · navigation (16) · chassis (15) · whole (14) · subsystem (14)
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Patent agent:
None (51) · None (24) · Armengaud jeune (20) · J. Germain (11) · Weismann et Marx (11) · E. Blétry (8) · Dupont et Elluin (7) · Chassevent (7) · L. Chassevent (6) · Lavoix et Mosès (6) · G. de Mestral et F. Harle (5) · J. Bonnet-Thirion (5) · Brandon freres (5) · H. Bœttcher fils (4) · Hippolyte Josse (4) · Schwab (4) · Charles Dony (4) · Y. Rabilloud et fils (4) · C. Baumann (4)
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