Drilldown: Patents

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Patents > Office : ES or FR or IT & Applicant firm : Société anonyme Astra AB or Sperry Gyroscope Company or None & Related to aircraft: 1 & Family year: 1900 - 1999 & First filing: No

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Tech fields:
None (848) · airplane (168) · design (78) · stability (72) · Frame (67) · propellers (66) · propulsion (65) · LTA (48) · wings (47) · subsystem (47) · construction (46) · control (42) · lift (41) · aerodynamics (31) · hybrid (27) · navigation (27) · sustentation (26) · steering (21) · landing (20) · Chassis (19)
Full specification filed date:
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Patent agent:
None (878) · None (37) · Armengaud jeune (27) · E. Blétry (22) · Brandon frères (17) · Lavoix et Mosès (14) · Dupont et Elluin (14) · J. Bonnet-Thirion (12) · Weismann et Marx (12) · Schwab (11) · L. Chassevent (11) · G. Petiau (9) · Matray frères et Cie (8) · J. Germain (8) · Ad. Sturm (7) · Boramé et Julien (6) · Charles Dony (6) · Charles Assi (6)
IPCs:
None (873) · IPC B64C39/00 (56) · IPC B64C17/00 (46) · IPC B64C1/00 (34) · IPC B64C23/00 (21) · IPC B64C11/00 (19) · IPC B64C35/00 (17) · IPC B64C33/02 (16) · IPC B64B1/00 (14) · IPC B64C3/38 (12) · IPC G01S1/72 (9) · IPC B64C27/04 (9) · IPC B64C3/00 (8) · IPC B64B1/58 (8) · IPC B64C3/54 (7) · IPC B64C25/00 (7)
First filing: (Click arrow to add another value)
Citations from after 1930:
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