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Patents > CPCs : CPC B64B1/40 or CPC B64C2700/6212 or CPC B64C39/005

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Tech fields:
None (144) · LTA (121) · stability (117) · airplane (75) · Propulsion (56) · frame (46) · navigation (46) · balloon (46) · automatic stability (35) · control (31) · design (26) · propeller (25) · safety (20) · rudder (19) · Airship (18) · parachute (18) · hybrid (18) · car (17) · steering (16) · pendulum (16)
Full specification filed date:
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Supplementary to patent:
None (394) · Patent FR-1908-396249 (5) · Patent US-1908-989022 (2) · Patent GB-1911-12188 (2) · Patent GB-1911-2636 (2) · Patent FR-1902-326476 (2) · Patent FR-1902-321808 (2) · Patent FR-1914-476300‎‎ (2) · Patent CA-1909-126457 (2) · Patent US-1911-1003530 (2) · Patent US-1915-1149680 (2) · Patent US-1916-1208684 (2) · Patent US-1914-1169695 (2)
Related to aircraft:
Patent agent:
None (214) · Munn & Co. (14) · None (12) · Armengaud jeune (11) · E. Blétry (9) · Matray frères et Cie (7) · Marks & Clerk (7) · J. Germain (6) · Hippolyte Josse (6) · Schwab (4) · Herbert Haddan & Co. (4) · Lavoix et Moses (4) · Borame et Julien (3) · Paul Coulomb (3) · Société G. Breton, P. Audy, J. Rousset, A Vergé (3) · H. D. Fitzpatrick & Co. (3) · Haseltine, Lake & Co. (3) · C. Blétry (3) · L. Chassevent (3) · Victor J. Evans (3)
National tech categories:
None (166) · FR 6.4 (133) · USPC 244/20 (21) · USPC 244/70 (17) · USPC 244/127 (17) · FR 6.3 (14) · USPC 244/9 (13) · USPC 244/32 (13) · USPC 244/96 (12) · DE 77 (10) · USPC 244/33 (10) · USPC 244/31 (8) · DE 77h (5) · USPC 244/19 (5) · USPC 244/99 (5) · USPC 244/39 (4) · USPC 244/119 (4) · DE 77h.5 (4)
CPCs: (Click arrow to add another value)
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