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Patents > CPCs : CPC B64C3/385 or CPC B64C33/02 or CPC B64C5/08

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Tech fields:
None (330) · flapping (99) · airplane (96) · frame (80) · propulsion (63) · ornithopter (60) · wings (57) · stability (49) · navigation (47) · Control (34) · propeller (30) · rudder (30) · airfoil (28) · Design (28) · wheels (23) · LTA (21) · hybrid (20) · construction (16) · HTA (16)
Full specification filed date:
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Supplementary to patent:
None (524) · Patent FR-1908-392672 (4) · Patent FR-1912-446040 (4) · Patent FR-1912-449167 (3) · Patent GB-1909-12556 (3) · Patent US-1912-1062545 (3) · Patent BE-1910-12-28-Muehter (3) · Patent BE-1912-02-07-Gramaticesco (3)
Related to aircraft:
Patent agent:
None (281) · None (26) · Armengaud jeune (15) · Munn & Co. (10) · E. Blétry (8) · Victor J. Evans (7) · Marks & Clerk (7) · C. A. Snow & Co. (7) · Schwab (7) · J. S. Withers & Spooner (6) · J. Bonnet-Thirion (5) · Haseltine, Lake & Co. (5) · Chassevent (4) · Hippolyte Josse (4) · Rigot et Prévost (4) · J. Germain (4) · Émile Bert (4)
National tech categories:
None (227) · FR 6.4 (185) · USPC 244/22 (71) · USPC 244/48 (26) · DE 77h.10 (22) · USPC 244/72 (20) · DE 77 (15) · DE 77h.5 (12) · USPC 244/99.11 (9) · FR 6.3 (8) · USPC 244/38 (7) · USPC 244/90R (6) · DE 77h (5) · USPC 244/119 (5) · USPC 244/64 (4) · USPC 244/47 (3) · USPC 244/88 (3) · USPC 244/234 (3) · USPC 244/65 (3)
CPCs: (Click arrow to add another value)
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