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Patents > CPCs : CPC B64C33/00 or CPC B64C33/02 or CPC B64C39/10

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Inventor location:
None (416) · Seine (11) · Chicago (5) · Paris (5) · Seine-et-Oise (4) · Rhône (4) · London (4) · Lorient (3) · Missouri (3) · Morbihan (3) · Hérault (3)
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Tech fields:
flapping (157) · None (125) · ornithopter (109) · propulsion (86) · frame (75) · wings (73) · airplane (63) · navigation (42) · design (41) · hybrid (40) · stability (35) · propeller (30) · LTA (25) · rudder (23) · takeoff (21) · HTA (19) · airfoil (18) · control (18) · aerodynamics (17)
Full specification filed date:
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Supplementary to patent:
None (381) · Patent FR-1912-446040 (5) · Patent AT-1912-75092 (4) · Patent FR-1908-407411 (3) · Patent GB-1909-12556 (3) · Patent BE-1910-12-28-Muehter (3) · Patent DE-1907-217533 (2) · Patent FR-1909-420004 (2) · Patent FR-1908-403650 (2) · Patent GB-1913-4191 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent FR-1910-419140 (2) · Patent IT-1907-87304 (2) · Patent DE-1909-244441 (2) · Patent FR-1911-429078 (2) · Patent US-1910-1161664 (2) · Patent US-1912-1031461 (2) · Patent AU-1909-1372009 (2) · Patent US-1909-940701 (2)
Related to aircraft:
Patent agent:
None (172) · None (25) · E. Blétry (12) · Munn & Co. (10) · Armengaud jeune (7) · C. A. Snow & Co. (6) · J. Germain (6) · Victor J. Evans (6) · C. Blétry (5) · Marks & Clerk (5) · Schwab (4) · Ad. Sturm (4) · Weismann et Marx (4) · Herbert Haddan & Co. (4) · Chassevent (4) · Hippolyte Josse (4) · Lavoix et Mosès (4) · Brandon frères (4)
National tech categories:
FR 6.4 (169) · None (133) · USPC 244/22 (73) · DE 77h.10 (24) · USPC 244/72 (20) · USPC 244/11 (17) · DE 77 (17) · FR 6.3 (11) · USPC 244/64 (7) · DE 77h (4) · USPC 244/133 (2) · USPC 244/28 (2) · USPC 244/63 (2) · GB 4 propel & steer (2) · GB 4 propelling (2) · FR 6.2 (2) · DE 77h.7 (2) · DE 77h.5 (2) · USPC 244/233 (2)
CPCs: (Click arrow to add another value)
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Citations from after 1930:

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