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Patents > IPCs : IPC B64C3/56 or IPC B64C31/06 or IPC B64C33/02

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wings (60) · flapping (58) · frame (56) · airplane (55) · kite (55) · propulsion (41) · design (37) · None (32) · ornithopter (29) · navigation (21) · stability (20) · Construction (19) · Propellers (16) · LTA (16) · control (15) · hybrid (14) · airfoil (13) · rudder (13) · whole (13)
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None (88)
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Supplementary to patent:
None (205) · Patent FR-1912-446040 (4) · Patent BE-1910-12-28-Muehter (3) · Patent BE 1911-04-07 Bollekens frères (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1912-03-18 Allgemeine Elektricitäts-Gesellschaft‎‎ (2) · Patent FR-1909-399976 (2) · Patent FR-1909-420004 (2)
Related to aircraft:
Patent agent:
None (100) · None (17) · Armengaud jeune (8) · Marks & Clerk (6) · Brandon frères (5) · C. Blétry (5) · E. Blétry (4) · Boult, Wade & Tennant (4) · Weismann et Marx (4) · Dupont et Elluin (4)
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