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

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LTA (106) · None (90) · balloon (46) · stability (38) · frame (36) · flapping (36) · navigation (27) · propulsion (25) · design (24) · Airplane (23) · ornithopter (22) · hybrid (20) · wings (20) · airship (16) · rudder (15) · safety (14) · car (13) · propeller (13)
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None (57)
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Supplementary to patent:
None (250) · Patent AT-1912-75092 (3) · Patent GB-1911-2636 (2) · Patent GB-1913-4191 (2) · Patent FR-1902-321808 (2) · Patent US-1911-1003530 (2)
Related to aircraft:
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None (175) · Armengaud jeune (9) · Munn & Co. (7) · None (5) · Weismann et Marx (4) · Lavoix et Mosès (4) · H. C. Everett Co. (4) · E. Blétry (4) · C. Blétry (3) · Marks & Clerk (3) · Hippolyte Josse (3) · Chassevent (3) · H. B. Willson & Co. (3) · Victor J. Evans (2) · Brandon frères (2) · J. Bonnet-Thirion (2) · Schwab (2) · W. P. Thompson & Co. (2) · G. et P. de Mestral (2)
National tech categories:
None (102) · FR 6.4 (66) · USPC 244/11 (17) · USPC 244/127 (17) · DE 77 (13) · USPC 244/32 (13) · USPC 244/96 (12) · USPC 244/33 (10) · FR 6.3 (9) · USPC 244/31 (8) · USPC 244/99 (5) · USPC 244/22 (5) · DE 77h (5) · USPC 244/64 (4)
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