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Patents > IPCs : IPC B63B1/22 or IPC B64B1/00 or IPC B64B1/58

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Tech fields:
LTA (526) · frame (116) · balloon (112) · navigation (96) · propulsion (96) · dirigible (73) · airship (63) · Construction (55) · stability (53) · design (50) · hybrid (48) · car (43) · balloons (42) · dirigibles (39) · safety (38) · Airplane (37) · propeller (36) · Rigid (31) · ballonet (30) · compartments (29)
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Supplementary to patent:
None (488) · Patent ES-1906-38692 (5) · Patent FR-1907-382794 (4) · Patent FR-1913-472867 (4) · Patent FR-1913-467415 (3)
Related to aircraft:
Patent agent:
None (268) · None (23) · Armengaud jeune (21) · Boramé et Julien (15) · Marks & Clerk (13) · Haseltine, Lake & Co. (12) · Munn & Co. (10) · Brandon frères (10) · Lavoix et Mosès (10) · Chassevent (8) · Hippolyte Josse (8) · de Bongé (8) · J. Bonnet-Thirion (7) · E. Blétry (7) · G. de Mestral et F. Harlé (6) · Boult, Wade & Tennant (6) · Ed. Wolf (6)
National tech categories:
FR 6.4 (311) · None (96) · FR 6.3 (62) · USPC 244/30 (37) · USPC 244/26 (17) · USPC 244/25 (16) · DE 77 (12) · DE 77h.2 (11) · DE 77h (9) · USPC 244/32 (8) · USPC 244/127 (8) · USPC 244/96 (8) · USPC 244/125 (7) · USPC 244/67 (7) · USPC 244/97 (7) · USPC 244/29 (7) · DE 77h.4 (7) · DE 77h.15 (6)
IPCs: (Click arrow to add another value)
First filing:
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