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Patents > CPCs : CPC B63H1/26 or CPC B64B1/40 or CPC B64C33/02

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None (199) · LTA (113) · flapping (98) · propulsion (67) · frame (67) · ornithopter (58) · balloon (48) · navigation (43) · stability (38) · wings (38) · propeller (33) · airplane (29) · rudder (25) · design (21) · hybrid (20) · parachute (20) · airfoil (19) · propellers (19) · car (17) · Airship (17)
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None (421) · Patent FR-1912-446040 (4) · Patent BE-1910-12-28-Muehter (3) · Patent GB-1909-12556 (3) · Patent FR-1910-423792 (2) · Patent FR-1908-407411 (2) · Patent FR-1902-321808 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1909-244441 (2) · Patent FR-1909-420004 (2) · Patent DE-1907-217533 (2) · Patent IT-1907-87304 (2) · Patent GB-1911-2636 (2) · Patent US-1912-1033662 (2) · Patent US-1911-1003530 (2)
Related to aircraft:
Patent agent:
None (269) · None (14) · Munn & Co. (10) · Armengaud jeune (10) · Marks & Clerk (7) · Chassevent (5) · C. A. Snow & Co. (5) · Schwab (5) · Ad. Sturm (4) · E. Blétry (4) · Victor J. Evans (4) · C. Blétry (4) · Hippolyte Josse (4)
National tech categories:
None (151) · FR 6.4 (124) · USPC 244/22 (71) · DE 77 (24) · DE 77h.10 (22) · USPC 244/72 (20) · USPC 244/127 (17) · FR 6.3 (15) · FR 6.2 (14) · USPC 244/32 (13) · USPC 244/96 (12) · USPC 244/33 (10) · DE 77h (9) · USPC 244/31 (8) · USPC 244/99 (5) · USPC 244/64 (3)
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