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Patents > IPCs : IPC B64B1/00 or IPC B64C23/00 or IPC B64C33/00 & Number of text pages: 2-3

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Tech fields:
LTA (203) · propulsion (84) · frame (83) · Airplane (68) · balloon (59) · navigation (58) · hybrid (54) · design (54) · construction (40) · stability (38) · dirigible (38) · Airship (34) · flapping (29) · propeller (27) · None (26) · wings (26) · propellers (25) · Balloons (24) · dirigibles (23)
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Supplementary to patent:
None (270) · Patent FR-1909-410140 (3) · Patent FR-1913-467415 (3) · Patent ES-1906-38692 (3) · Patent FR-1913-472867 (3) · Patent GB-1913-4191 (2) · Patent FR-1908-394254 (2) · Patent FR-1910-418630 (2) · Patent FR-1907-382794 (2) · Patent FR-1902-317598 (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1915-525800 (2) · Patent FR-1916-491738 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent DE-1909-220044 (2) · Patent FR-1908-407090 (2) · Patent AT-1912-75092 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent IT-1913- (2) · Patent AT-1909-40038 (2)
Related to aircraft:
Patent agent:
None (85) · Armengaud jeune (17) · None (16) · Borame et Julien (10) · Munn & Co. (8) · G. de Mestral et F. Harlé (8) · E. Blétry (7) · Haseltine, Lake & Co. (7) · Hippolyte Josse (6) · Chassevent (6) · C. Blétry (6) · J. Bonnet-Thirion (6) · Brandon freres (6) · Paul Caquet (5) · Boult, Wade & Tennant (5) · Lavoix et Mosès (5) · Marks & Clerk (5)
National tech categories:
FR 6.4 (174) · None (68) · FR 6.3 (36) · USPC 244/30 (16) · DE 77 (7) · USPC 244/26 (7) · DE 77h.2 (7) · USPC 244/22 (7) · USPC 244/96 (6) · USPC 244/32 (5) · USPC 244/25 (5) · USPC 244/125 (4) · USPC 244/127 (4) · USPC 244/11 (4) · USPC 104/22 (4) · USPC 244/67 (4) · USPC 244/97 (3) · USPC 244/29 (3) · USPC 244/64 (3) · USPC 244/99 (3)
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Cites these patents:
None (385)
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