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Patents > CPCs : CPC B64B1/40 or CPC B64B1/58 or CPC F02N5/02

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Tech fields:
LTA (273) · balloon (87) · None (68) · frame (53) · stability (35) · navigation (35) · airship (31) · car (25) · construction (24) · design (23) · dirigible (23) · propulsion (22) · texture (21) · Balloons (21) · fabric (21) · safety (21) · gas (21) · envelope (19) · airplane (18) · hybrid (17)
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Supplementary to patent:
None (311) · Patent FR-1907-382794 (3) · Patent ES-1906-38692 (3) · Patent GB-1911-2636 (2) · Patent FR-1907-392977 (2) · Patent DE-1912-08-22 (2) · Patent DE-1912-07-11 Luft Fahrzeug G.m.b.H. (2) · Patent DE-1909-227246 (2) · Patent GB-1908-22308 (2) · Patent FR-1902-321808 (2) · Patent BE-1907-11-22 Albert Jouveneau (2) · Patent AT-1909-42853 (2)
Related to aircraft:
Patent agent:
None (217) · Armengaud jeune (12) · Marks & Clerk (11) · Lavoix et Mosès (7) · None (7) · Munn & Co. (6) · Schwab (5) · Boramé et Julien (5) · Haseltine, Lake & Co. (4) · J. Bonnet-Thirion (4) · Victor J. Evans (3) · L. Chassevent (3) · Matray frères et Cie (3) · Ed. Wolf (3) · E. Blétry (3)
National tech categories:
FR 6.4 (146) · None (115) · USPC 244/127 (18) · DE 77 (16) · DE 77h.4 (16) · FR 6.3 (13) · USPC 244/32 (13) · USPC 244/96 (11) · DE 77h (9) · USPC 244/33 (9) · DE 77h.15 (6) · USPC 244/31 (6) · USPC 244/126 (5) · USPC 244/99 (5) · USPC 244/97 (3) · USPC 244/61 (3) · USPC 244/128 (3) · GB 4 aërostats (3)
CPCs: (Click arrow to add another value)
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