Drilldown: Patents

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Patents > Applicant firm: None & CPCs : CPC B64C13/04 or CPC B64C3/385

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Tech fields:
None (182) · airplane (67) · stability (30) · Frame (29) · control (25) · navigation (20) · Rudder (17) · wings (15) · design (14) · wheels (13) · construction (10) · steering (9) · propulsion (8) · airfoil (8) · HTA (8) · Lift (7) · propeller (7)
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None (242) · Patent BE-1912-02-07-Gramaticesco (3) · Patent US-1912-1062545 (3) · Patent FR-1908-392672 (3) · Patent FR-1912-457441 (2) · Patent FR-1907-377174 (2) · Patent SE-1917-46288 (2) · Patent US-1912-1077892 (2) · Patent BE-1912-04-05 (2) · Patent DE-1909-244106 (2) · Patent CA-1910-131159 (2) · Patent FR-1908-398707 (2)
Related to aircraft:
Patent agent:
None (107) · Armengaud jeune (13) · None (12) · J. S. Withers & Spooner (6) · Munn & Co. (6) · E. Blétry (5) · J. Bonnet-Thirion (4) · Schwab (4) · Marks & Clerk (4) · Victor J. Evans (4) · C. A. Snow & Co. (3) · Georges Faugé (3) · Emile Bert (3)
National tech categories:
None (116) · FR 6.4 (89) · USPC 244/48 (25) · USPC 244/99.11 (9) · DE 77h.5 (8) · USPC 244/90R (6) · USPC 244/38 (6) · USPC 244/234 (6) · USPC 244/221 (5) · USPC 244/119 (4) · USPC 244/237 (3) · USPC 244/88 (3) · USPC 244/47 (3) · USPC 244/225 (3) · USPC 244/65 (3)
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