Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & CPCs : CPC B64B1/00 or CPC B64B1/58

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Tech fields:
LTA (230) · None (114) · frame (74) · airship (49) · balloon (48) · dirigible (33) · Design (32) · construction (32) · hybrid (29) · navigation (23) · dirigibles (23) · compartments (22) · propulsion (22) · rigid (22) · ballonet (19) · envelope (18) · balloons (17) · fabric (17) · texture (15)
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Supplementary to patent:
None (309) · Patent FR-1913-472867 (4) · Patent DE-1909-227246 (3) · Patent FR-1913-467415 (3) · Patent DE-1911-258741 (3) · Patent GB-1913-11207 (2) · Patent US-1913-1087946 (2) · Patent GB-1908-22308 (2) · Patent DE-1912-08-22‎ (2) · Patent AT-1909-42853 (2) · Patent GB-1913-16499 (2) · Patent FR-1911-438580 (2) · Patent FR-1914-472867.19895 (2) · Patent DE-1910-234453 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent IT-1913- (2) · Patent FR-1913-438580.17636 (2) · Patent US-1912-1047038 (2) · Patent AT-1910-48427 (2)
Related to aircraft:
Patent agent:
None (201) · Armengaud jeune (15) · Marks & Clerk (11) · Haseltine, Lake & Co. (11) · None (5) · G. Petiau (5) · de Bongé (4) · Victor J. Evans (4) · Randolph, Jr. (4) · Lavoix et Mosès (4) · J. Bonnet-Thirion (4) · Dupont et Elluin (4) · H. Bœttcher fils (4) · Abel & Imray (4)
National tech categories:
None (160) · FR 6.4 (142) · USPC 244/30 (15) · USPC 244/25 (8) · DE 77h.2 (8) · USPC 244/125 (8) · DE 77h.4 (7) · USPC 244/29 (6) · USPC 244/126 (4) · USPC 244/28 (3) · USPC 244/139 (3) · USPC 244/128 (3) · USPC 244/127 (3) · USPC 244/67 (3) · USPC 244/73R (3) · USPC 244/97 (3) · DE 77h.15 (3) · USPC 244/26 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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