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Patents > CPCs : CPC B64B1/40 or CPC B64C2700/6212 or CPC B64C33/00

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None (137) · stability (117) · LTA (109) · airplane (67) · balloon (46) · frame (39) · automatic stability (37) · flapping (36) · control (34) · navigation (29) · design (27) · propulsion (27) · ornithopter (23) · wings (22) · hybrid (21) · rudder (18) · safety (17)
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Supplementary to patent:
None (365) · Patent FR-1908-396249 (5) · Patent AT-1912-75092 (3) · Patent FR-1902-321808 (2) · Patent US-1914-1169695 (2) · Patent US-1911-1003530 (2) · Patent US-1908-989022 (2) · Patent GB-1913-4191 (2) · Patent GB-1911-2636 (2) · Patent FR-1914-476300 (2) · Patent US-1915-1149680 (2)
Related to aircraft:
Patent agent:
None (227) · Armengaud jeune (12) · None (11) · E. Blétry (10) · Hippolyte Josse (7) · Matray frères et Cie (7) · Munn & Co. (7) · Lavoix et Mosès (6) · J. Germain (5) · Weismann et Marx (5) · H. C. Everett Co. (4) · W. P. Thompson & Co. (4) · L. Chassevent (4) · Schwab (4) · Marks & Clerk (4)
National tech categories:
None (167) · FR 6.4 (151) · USPC 244/127 (17) · USPC 244/11 (17) · DE 77 (13) · USPC 244/32 (13) · USPC 244/96 (12) · FR 6.3 (10) · USPC 244/33 (10) · USPC 244/31 (8) · USPC 244/99 (5) · USPC 244/22 (5) · DE 77h (5) · USPC 244/64 (4) · DE 77h.5 (3)
CPCs: (Click arrow to add another value)
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