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Patents > CPCs : CPC B64B1/40 or CPC B64C11/48 or CPC B64C3/56

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None (181) · LTA (94) · balloon (45) · airplane (34) · frame (34) · stability (29) · propeller (26) · wings (20) · design (17) · navigation (16) · propellers (15) · propulsion (15) · safety (14) · construction (13) · car (13) · parachute (12) · Airship (12) · kite (11)
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None (356) · Patent DE-1912-03-18 Allgemeine Elektricitäts-Gesellschaft‎‎ (2) · Patent FR-1909-402649 (2) · Patent FR-1902-321808 (2) · Patent GB-1911-2636 (2) · Patent BE 1911-04-07 Bollekens frères (2) · Patent US-1911-1003530 (2)
Related to aircraft:
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None (230) · Munn & Co. (9) · Armengaud jeune (8) · Marks & Clerk (6) · Charles Dony (4) · Brewer & Son (4) · Schwab (3) · Hippolyte Josse (3) · H. C. Everett Co. (3) · L. Chassevent (3) · None (3)
National tech categories:
None (205) · FR 6.4 (64) · USPC 244/127 (17) · USPC 244/32 (13) · USPC 244/96 (12) · USPC 244/33 (10) · DE 77 (9) · USPC 244/31 (8) · FR 6.3 (7) · USPC 244/49 (7) · USPC 416/128 (7) · USPC 416/129 (6) · USPC 416/200R (6) · DE 77h (5) · USPC 244/99 (5) · DE 77h.5 (4)
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