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Patents > IPCs : IPC B63H1/04 or IPC B64C3/38 or IPC B64C33/00

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None (253) · Seine (11) · Seine-et-Oise (3) · New York City (2) · Manche (2) · New York county (2) · London (2) · Pennsylvania (2) · Basses-Pyrénées (2)
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Tech fields:
airplane (93) · None (72) · wings (48) · design (38) · flapping (38) · stability (36) · frame (36) · ornithopter (32) · propulsion (30) · control (29) · navigation (26) · lift (22) · HTA (18) · construction (15) · airfoil (15) · Aerodynamics (14) · hybrid (14) · Sustentation (12) · incidence (10) · human-powered (10)
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Supplementary to patent:
None (203) · Patent AT-1912-75092 (3) · Patent FR-1908-392672 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent SE-1917-46288 (2) · Patent FR-1910-419748 (2) · Patent FR-1912-449167 (2) · Patent FR-1908-393976 (2) · Patent FR-1912-457441 (2) · Patent FR-1917-493342 (2) · Patent GB-1913-4191 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent DE-1909-244106 (2) · Patent US-1912-1077892 (2) · Patent BE-1912-04-05 (2)
Related to aircraft:
Patent agent:
None (59) · None (19) · Armengaud jeune (13) · E. Blétry (8) · Weismann et Marx (6) · L. Chassevent (6) · Haseltine, Lake & Co. (4) · Munn & Co. (4) · Marks & Clerk (4) · Schwab (4) · J. Bonnet-Thirion (4) · J. S. Withers & Spooner (4) · Georges Faugé (3) · Browne & Co. (3) · Lavoix et Mosès (3) · Émile Bert (3) · W. P. Thompson & Co. (3) · Hippolyte Josse (3)
IPCs: (Click arrow to add another value)
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