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Patents > Granted: Yes & IPCs: IPC B64B1/00

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Tech fields:
LTA (367) · balloon (83) · frame (83) · navigation (78) · propulsion (77) · dirigible (54) · airship (46) · stability (39) · hybrid (38) · construction (35) · design (35) · safety (33) · car (32) · balloons (29) · dirigibles (29) · propeller (28) · airplane (27) · rigid (26) · compartments (23) · rudder (20)
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Supplementary to patent:
None (358) · Patent ES-1906-38692 (3) · Patent FR-1913-472867 (3) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent GB-1913-11207 (2) · Patent FR-1902-317598 (2) · Patent CH-1909-48028 (2) · Patent IT-1913- (2) · Patent FR-1913-467415 (2) · Patent US-1913-1087946 (2) · Patent FR-1907-382794 (2)
Related to aircraft:
Patent agent:
None (194) · None (15) · Armengaud jeune (14) · Boramé et Julien (10) · Munn & Co. (9) · Brandon frères (8) · Chassevent (8) · Hippolyte Josse (7) · Lavoix et Mosès (6) · C. Blétry (5) · E. Blétry (5) · Boult, Wade & Tennant (5) · G. Petiau (5) · De Bonge (5) · Haseltine, Lake & Co. (5) · G. de Mestral et F. Harlé (4) · C. Baumann (4) · Ad. Sturm (4) · Dupont et Elluin (4) · Ed. Wolf (4)
National tech categories:
FR 6.4 (190) · FR 6.3 (56) · None (49) · USPC 244/30 (37) · USPC 244/26 (17) · USPC 244/25 (15) · DE 77h.2 (11) · USPC 244/127 (8) · USPC 244/96 (8) · USPC 244/32 (8) · USPC 244/125 (7) · USPC 244/29 (7) · USPC 244/97 (7) · USPC 244/67 (7) · DE 77 (7) · USPC 24/713.8 (5) · DE 77h (5) · USPC 244/99 (5)
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