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Patents > Granted: Yes & IPCs : IPC B64B1/00 or IPC B64C 39/00

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Tech fields:
LTA (328) · navigation (75) · balloon (74) · frame (71) · Propulsion (70) · None (59) · dirigible (56) · airship (43) · stability (34) · hybrid (32) · construction (30) · car (28) · safety (26) · propeller (26) · airplane (25) · balloons (24) · design (23) · rigid (21) · rudder (18)
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Supplementary to patent:
None (356) · Patent ES-1906-38692‎ (3) · Patent FR-1913-472867 (3) · Patent CH-1909-48028 (2) · Patent GB-1913-11207 (2) · Patent FR-1902-317598 (2) · Patent FR-1913-467415 (2) · Patent IT-1913- (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1907-382794 (2) · Patent US-1913-1087946 (2)
Related to aircraft:
Patent agent:
None (183) · None (18) · Armengaud jeune (14) · Munn & Co. (10) · Boramé et Julien (10) · Brandon frères (8) · Chassevent (8) · Hippolyte Josse (7) · Lavoix et Mosès (6) · C. Blétry (5) · de Bongé (5) · Boult, Wade & Tennant (5) · E. Blétry (5) · G. Petiau (5) · Haseltine, Lake & Co. (5) · Dupont et Elluin (4) · G. de Mestral et F. Harlé (4) · J. Bonnet-Thirion (4) · C. Baumann (4) · Ed. Wolf (4)
National tech categories:
FR 6.4 (190) · FR 6.3 (56) · None (53) · USPC 244/30 (35) · USPC 244/26 (17) · USPC 244/25 (12) · DE 77h.2 (11) · DE 77 (9) · USPC 244/96 (8) · USPC 244/32 (7) · USPC 244/67 (7) · USPC 244/97 (7) · USPC 244/125 (7) · USPC 244/127 (7) · USPC 244/29 (6) · USPC 24/713.8 (5) · DE 77h (5)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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