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Patents > CPCs : CPC B64B1/00 or CPC F41A19/13

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Tech fields:
LTA (437) · None (123) · propulsion (121) · frame (119) · navigation (105) · balloon (103) · dirigible (67) · propeller (66) · Airship (62) · hybrid (54) · design (53) · stability (46) · car (45) · Construction (38) · safety (35) · Dirigibles (34) · rudder (34) · airplane (34) · balloons (31) · compartments (30)
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Supplementary to patent:
None (548) · Patent FR-1913-472867 (4) · Patent FR-1913-467415 (3) · Patent ES-1906-38692‎ (3) · Patent IT-1913- (2) · Patent DE-1911-258741 (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1907-382794 (2) · Patent FR-1902-317598 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent GB-1913-16499 (2) · Patent GB-1913-11207 (2) · Patent FR-1911-438580 (2) · Patent US-1913-1087946 (2)
Related to aircraft:
Patent agent:
None (325) · None (20) · Munn & Co. (17) · Armengaud jeune (14) · Haseltine, Lake & Co. (11) · Boramé et Julien (10) · Brandon frères (8) · Chassevent (8) · Hippolyte Josse (7) · Marks & Clerk (6) · Lavoix et Mosès (6) · De Bonge (5) · Boult, Wade & Tennant (5) · C. Blétry (5) · Michael J. Stark & Sons (5) · G. Petiau (5)
National tech categories:
FR 6.4 (188) · None (172) · USPC 244/30 (61) · FR 6.3 (56) · USPC 244/26 (26) · USPC 244/28 (23) · USPC 244/25 (23) · DE 77 (14) · USPC 24/713.8 (13) · DE 77h.2 (12) · USPC 244/125 (12) · USPC 244/29 (11) · USPC 244/67 (9) · USPC 244/96 (7) · USPC 244/127 (5) · USPC 244/99 (5)
CPCs: (Click arrow to add another value)
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Citations from after 1930:

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