Drilldown: Patents

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Patents > Office : DE or Other & CPCs : CPC B64C2700/6281 or CPC B64C3/385 or CPC B64C33/02

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Tech fields:
None (326) · airplane (133) · flapping (105) · frame (91) · propulsion (87) · wings (73) · ornithopter (63) · stability (60) · navigation (57) · design (52) · helicopter (51) · control (40) · propeller (35) · hybrid (33) · rudder (30) · propellers (29) · airfoil (28) · lift (26) · Wheels (26)
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Supplementary to patent:
None (614) · Patent FR-1912-446040 (4) · Patent FR-1908-392672 (3) · Patent FR-1912-449167 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent US-1912-1062545 (3) · Patent BE-1910-12-28-Muehter (3) · Patent GB-1909-12556 (3)
Related to aircraft:
Patent agent:
None (347) · None (30) · Armengaud jeune (16) · Munn & Co. (12) · E. Bletry (9) · Marks & Clerk (9) · J. S. Withers & Spooner (8) · Schwab (8) · C. A. Snow & Co. (7) · J. Germain (7) · Haseltine, Lake & Co. (6) · Victor J. Evans (6) · C. Blétry (5) · Hippolyte Josse (5) · J. Bonnet-Thirion (5) · Y. Rabilloud et fils (5)
National tech categories:
None (289) · FR 6.4 (226) · USPC 244/22 (70) · USPC 244/48 (26) · USPC 244/72 (19) · DE 77h.10 (16) · DE 77 (15) · FR 6.3 (14) · DE 77h.5 (12) · USPC 244/99.11 (9) · USPC 244/38 (7) · DE 77h (6) · USPC 244/90R (6) · USPC 244/119 (5) · USPC 244/65 (5) · USPC 244/64 (4)
CPCs: (Click arrow to add another value)
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