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Patents > IPCs : IPC B64B1/58 or IPC B64C33/00 or IPC B64D17/00

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Tech fields:
LTA (159) · frame (51) · Airplane (41) · flapping (37) · propulsion (35) · parachute (31) · navigation (30) · stability (29) · design (27) · balloon (26) · ornithopter (24) · safety (22) · parachutes (22) · airship (21) · construction (21) · hybrid (20) · texture (19) · dirigible (18) · envelope (18) · wings (16)
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Supplementary to patent:
None (224) · Patent FR-1912-439277 (4) · Patent ES-1906-38692 (4) · Patent AT-1912-75092 (3) · Patent FR-1907-382794 (3) · Patent GB-1908-22308 (2) · Patent BE-1907-11-22 Albert Jouveneau (2) · Patent DE-1909-227246 (2) · Patent FR-1912-449070 (2) · Patent DE-1912-08-22 (2) · Patent GB-1913-4191 (2) · Patent BE-1913-255172 (2) · Patent FR-1911-431691 (2) · Patent BE-1910-Hervieu-parachute (2) · Patent US-1910-982907 (2) · Patent FR-1907-392977 (2) · Patent AT-1909-42853 (2) · Patent AT-1913-59404‎ (2)
Related to aircraft:
Patent agent:
None (116) · None (15) · Armengaud jeune (10) · Marks & Clerk (9) · Brandon frères (8) · Lavoix et Mosès (7) · Boramé et Julien (6) · L. Chassevent (6) · H. Bœttcher fils (6) · J. Bonnet-Thirion (5) · Dupont et Elluin (5) · E. Blétry (5) · Schwab (4) · Ed. Wolf (4) · Weismann et Marx (4) · W. P. Thompson & Co. (4) · Haseltine, Lake & Co. (3) · de Bongé (3)
National tech categories:
FR 6.4 (193) · None (66) · USPC 244/22 (15) · FR 6.3 (8) · DE 77h.4 (7) · USPC 244/11 (7) · DE 77 (5) · DE 77h (5) · USPC 244/147 (4) · DE 77h.15 (4) · USPC 244/72 (3) · USPC 244/126 (3) · GB 4 aërostats (2) · USPC 244/64 (2) · USPC 244/63 (2) · FR 11.2 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/58 (187) · CPC B64C33/00 (65) · CPC B64D17/00 (50) · CPC B64C33/02 (17) · CPC B64D2700/62508 (9) · None (6) · CPC F41A19/13 (4) · CPC F41A15/14 (4) · CPC F41A17/48 (4) · CPC C10L5/22 (4) · CPC F41A17/58 (4) · CPC F41A3/38 (4) · CPC F41A3/42 (4) · CPC F41A5/12 (4) · CPC F41A9/52 (4) · CPC B64B1/00 (3) · CPC B64D2700/62526 (3)
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