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Patents > IPCs : IPC B64C3/38 or IPC B64C33/02

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Airplane (95) · flapping (63) · wings (62) · frame (44) · propulsion (43) · Design (42) · navigation (38) · None (32) · control (30) · stability (30) · ornithopter (29) · LTA (22) · airfoil (21) · construction (19) · lift (18) · aerodynamics (18) · subsystem (14) · HTA (14) · sustentation (13) · hybrid (13)
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None (190) · Patent FR-1912-446040 (4) · Patent FR-1908-392672 (3) · Patent FR-1912-449167 (3) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent FR-1909-420004 (2) · Patent FR-1908-393976 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent FR-1917-493342 (2) · Patent FR-1912-457441 (2) · Patent US-1912-1062545 (2)
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None (94) · None (15) · Armengaud jeune (12) · Schwab (7) · Haseltine, Lake & Co. (6) · Marks & Clerk (5) · Charles Assi (4) · E. Blétry (4) · Hippolyte Josse (4) · Browne & Co. (3) · J. Bonnet-Thirion (3) · Georges Faugé (3) · L. Chassevent (3) · Chassevent (3) · Munn & Co. (3) · Rigot et Prévost (3) · C. Blétry (3) · C. Baumann (3) · Y. Rabilloud et fils (3)
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