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Patents > IPCs : IPC B64C23/00 or IPC B64C3/38 or IPC G09B9/08

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Office:
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Applicant is inventor:
Tech fields:
airplane (147) · None (96) · design (57) · Wings (50) · frame (43) · control (43) · Propulsion (41) · stability (38) · hybrid (36) · Navigation (31) · lift (31) · Construction (30) · propellers (29) · Aerodynamics (28) · ascension (23) · helicopter (23) · Sustentation (22) · airfoil (17) · whole (17)
Full specification filed date:
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Supplementary to patent:
None (235) · Patent FR-1909-410140 (5) · Patent FR-1908-392672 (3) · Patent FR-1912-449167 (3) · Patent BE-1912-02-07-Gramaticesco (3)
Related to aircraft:
Patent agent:
None (65) · None (22) · Armengaud jeune (12) · Schwab (8) · J. Bonnet-Thirion (7) · E. Blétry (7) · Marks & Clerk (6) · G. de Mestral et F. Harlé (6) · Paul Caquet (5) · J. S. Withers & Spooner (5) · L. Chassevent (5) · Boult, Wade & Tennant (4) · Emile Bert (4) · Rigot et Prévost (4) · Hippolyte Josse (4) · Haseltine, Lake & Co. (4) · J. Germain (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (172) · CPC B64C3/385 (150) · CPC B64C2700/6274 (108) · CPC B64C3/38 (25) · CPC B64C2700/6273 (16) · CPC B64C2700/6271 (10) · CPC B64C23/00 (5) · CPC B64C17/00 (4) · CPC Y02T50/145 (4) · None (3) · CPC B64C2700/6242 (3)
First filing:
Cites these patents:
None (357)
Citations from after 1930:
Number of diagram pages:

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