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Patents > IPCs : IPC B64B1/00 or IPC B64C17/06 & Number of figures: 3-20

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Tech fields:
LTA (211) · frame (63) · stability (62) · navigation (54) · balloon (53) · propulsion (47) · airplane (42) · Airship (37) · dirigible (35) · design (30) · construction (28) · dirigibles (25) · gyroscope (24) · car (24) · hybrid (22) · automatic stability (21) · balloons (21) · propeller (18) · rigid (17) · safety (16)
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Supplementary to patent:
None (211) · Patent FR-1913-472867 (4) · Patent ES-1906-38692 (3) · Patent FR-1913-467415 (3) · Patent US-1913-1087946 (2) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent GB-1913-11207 (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1909-406466 (2) · Patent FR-1907-382794 (2) · Patent US-1914-1368226 (2) · Patent BE-1912-07-11 Maiche et Legras (2)
Related to aircraft:
Patent agent:
None (68) · None (17) · Armengaud jeune (14) · Haseltine, Lake & Co. (13) · Borame et Julien (9) · Munn & Co. (6) · Chassevent (6) · Boult, Wade & Tennant (6) · J. Bonnet-Thirion (4) · Lavoix et Mosès (4) · Herbert Haddan & Co. (4) · G. Petiau (4) · E. Blétry (4) · Dupont et Elluin (4) · De Bongé (4) · Ed. Wolf (4) · Wheatley & Mackenzie (4)
National tech categories:
FR 6.4 (116) · None (64) · FR 6.3 (31) · USPC 244/30 (23) · USPC 244/25 (10) · USPC 244/26 (9) · USPC 244/32 (7) · DE 77h.2 (6) · USPC 244/127 (6) · USPC 244/99 (5) · USPC 244/125 (5) · USPC 244/67 (5) · USPC 244/96 (5) · DE 77 (5) · USPC 244/29 (4) · USPC 104/22 (4) · USPC 244/94 (3)
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