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Patents > Related to aircraft : No or Yes & IPCs : IPC B64B1/00 or IPC B64C33/00

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Tech fields:
LTA (224) · frame (74) · Navigation (63) · propulsion (57) · balloon (49) · airship (42) · design (41) · Stability (33) · dirigible (32) · construction (32) · hybrid (30) · Flapping (28) · dirigibles (27) · balloons (24) · propeller (23) · airplane (23) · rigid (22) · wings (18) · rudder (18)
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Supplementary to patent:
None (247) · Patent FR-1913-472867 (4) · Patent AT-1912-75092 (3) · Patent ES-1906-38692 (3) · Patent FR-1913-467415 (3) · Patent FR-1902-317598 (2) · Patent GB-1913-4191 (2) · Patent FR-1907-382794 (2) · Patent IT-1913- (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1914-472867.19895 (2) · Patent GB-1913-11207 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (157) · Armengaud jeune (15) · Haseltine, Lake & Co. (8) · Lavoix et Mosès (7) · Chassevent (7) · None (6) · Brandon frères (6) · Hippolyte Josse (6) · E. Blétry (5) · C. Blétry (5) · G. Petiau (5) · Boramé et Julien (5) · de Bongé (4) · Boult, Wade & Tennant (4) · Dupont et Elluin (4) · G. de Mestral et F. Harlé (4) · Ed. Wolf (3) · C. Baumann (3) · H. Bœttcher fils (3) · J. Bonnet-Thirion (3)
National tech categories:
FR 6.4 (165) · None (43) · FR 6.3 (39) · USPC 244/30 (12) · USPC 244/22 (9) · USPC 244/26 (6) · USPC 244/11 (6) · USPC 244/25 (5) · USPC 24/713.8 (5) · DE 77h (4) · USPC 244/32 (4) · DE 77 (3) · USPC 244/28 (3) · USPC 244/125 (3) · USPC 244/99 (3)
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Cites these patents:
Citations from after 1930:
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