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Patents > CPCs : CPC B64C13/00 or CPC B64C39/005 or CPC F41A19/05

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Tech fields:
None (302) · airplane (141) · control (99) · stability (76) · navigation (75) · frame (66) · rudder (55) · propulsion (49) · steering (43) · wings (33) · design (30) · propeller (24) · LTA (24) · propellers (21) · HTA (20) · lift (17) · aerodynamics (17) · hybrid (17) · construction (16) · automatic stability (16)
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None (555) · Patent US-1910-1055379 (3) · Patent US-1909-970771 (3) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent GB-1911-12188 (2) · Patent GB-1913-3848 (2) · Patent FR-1908-392672 (2) · Patent FR-1912-451312 (2) · Patent FR-1902-326476 (2) · Patent DE-1918-388537 (2) · Patent US-1909-1008096 (2) · Patent US-1913-1118124 (2) · Patent CA-1909-126457 (2) · Patent US-1916-1208684 (2)
Related to aircraft:
Patent agent:
None (288) · Munn & Co. (24) · Armengaud jeune (17) · Haseltine, Lake & Co. (15) · Marks & Clerk (14) · Brewer & Son (9) · None (9) · Weismann et Marx (7) · Boult, Wade & Tennant (6) · Victor J. Evans (5) · E. Blétry (4) · Brierley & Howard (4) · John P. Tarbox (4) · Abel & Imray (4)
National tech categories:
None (244) · FR 6.4 (94) · USPC 244/233 (36) · USPC 244/90R (33) · DE 77h.5 (24) · USPC 244/20 (21) · USPC 244/70 (17) · USPC 244/78.1 (17) · USPC 244/87 (14) · USPC 244/9 (13) · USPC 244/82 (13) · USPC 244/225 (9) · USPC 244/234 (9) · USPC 244/231 (9) · USPC 244/237 (8) · USPC 244/88 (8) · USPC 244/119 (8) · FR 6.3 (7)
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