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Patents > CPCs: CPC B64B1/00 & Number of figures: 3-20

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Tech fields:
LTA (258) · frame (84) · propulsion (81) · navigation (75) · balloon (67) · airship (48) · propeller (42) · design (40) · dirigible (39) · car (31) · hybrid (31) · Stability (30) · construction (28) · dirigibles (27) · rudder (27) · flapping (23) · airplane (22) · compartments (22) · balloons (21) · safety (20)
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None (243) · Patent FR-1913-472867 (4) · Patent FR-1913-467415 (3) · Patent ES-1906-38692 (3) · Patent DE-1911-258741 (2) · Patent US-1913-1087946 (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1911-438580 (2) · Patent GB-1913-11207 (2) · Patent GB-1913-16499 (2) · Patent FR-1907-382794 (2) · Patent BE-1912-07-11 Maiche et Legras (2)
Related to aircraft:
Patent agent:
None (74) · None (15) · Munn & Co. (14) · Armengaud jeune (11) · Haseltine, Lake & Co. (10) · Boramé et Julien (8) · Boult, Wade & Tennant (5) · Chassevent (4) · Victor J. Evans (4) · Michael J. Stark & Sons (4) · Ed. Wolf (4) · G. Petiau (4)
National tech categories:
FR 6.4 (87) · None (69) · USPC 244/30 (32) · FR 6.3 (31) · USPC 244/28 (20) · USPC 244/25 (16) · USPC 244/26 (15) · DE 77 (11) · USPC 244/67 (6) · USPC 244/29 (6) · USPC 244/125 (5) · USPC 244/127 (5) · DE 77h.2 (5) · USPC 24/713.8 (5) · USPC 244/96 (5) · USPC 244/99 (5) · USPC 244/27 (3) · USPC 244/73R (3) · USPC 244/64 (3)
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