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Patents > IPCs: IPC B64B1/00 & Number of diagram pages: 1-3

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Tech fields:
LTA (266) · balloon (75) · frame (69) · navigation (59) · propulsion (55) · dirigible (48) · airship (43) · design (34) · construction (33) · stability (30) · Hybrid (30) · car (27) · dirigibles (27) · balloons (26) · propeller (22) · rigid (22) · airplane (20) · ballonet (19) · safety (19) · compartments (18)
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None (232) · Patent FR-1913-472867 (4) · Patent ES-1906-38692 (3) · Patent FR-1913-467415 (3) · Patent FR-1907-382794 (2) · Patent GB-1913-11207 (2) · Patent FR-1902-317598 (2) · Patent CH-1909-48028 (2) · Patent IT-1913- (2) · Patent FR-1914-472867.19895 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent US-1913-1087946 (2)
Related to aircraft:
Patent agent:
None (87) · None (17) · Armengaud jeune (13) · Boramé et Julien (10) · Haseltine, Lake & Co. (9) · Munn & Co. (7) · Chassevent (7) · Brandon frères (6) · E. Blétry (5) · Lavoix et Mosès (5) · Hippolyte Josse (5) · Boult, Wade & Tennant (4) · de Bongé (4) · Dupont et Elluin (4) · C. Blétry (4) · Ed. Wolf (4) · C. Baumann (4) · G. Petiau (4)
National tech categories:
FR 6.4 (126) · None (48) · FR 6.3 (38) · USPC 244/30 (22) · DE 77h.2 (11) · USPC 244/26 (9) · USPC 244/32 (7) · USPC 244/25 (7) · DE 77 (6) · USPC 244/127 (6) · DE 77h (5) · USPC 244/96 (5) · USPC 244/125 (5) · USPC 24/713.8 (4) · USPC 244/97 (4) · USPC 104/22 (4) · USPC 244/67 (3) · USPC 244/128 (3) · USPC 244/29 (3)
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