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Patents > CPCs : CPC B64C2700/6218 or CPC B64C3/385 & Number of text pages: 3-11

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None (254) · London (5) · Seine (3) · New York county (2) · NY (2) · New York City (2) · Hampshire (2) · Bexar county (2) · TX (2) · St. Louis (2)
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Tech fields:
stability (118) · airplane (116) · None (80) · automatic stability (51) · design (36) · Control (31) · Frame (29) · wings (24) · aerodynamics (18) · Lift (16) · rudder (16) · landing (14) · construction (13) · equilibrium (13) · airfoil (12) · subsystem (11) · chassis (10) · propellers (10)
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None (195) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent BE-1912-04-05 (2) · Patent FR-1912-450608 (2) · Patent FR-1908-403726 (2) · Patent GB-1909-8531 (2) · Patent DE-1909-244106 (2) · Patent DE-1909-05-03 Hans Lohmann (2) · Patent BE-1912-08-13-Panian (2) · Patent HU-1913-Pédery-Varsányi-Zoltán (2) · Patent BE-1912-03-16-Toussaint-Lepere (2) · Patent US-1912-1062545 (2) · Patent US-1913-1203221 (2) · Patent BE-1912-02-07-Gramaticesco (2) · Patent US-1912-1077892 (2) · Patent FR-1910-423667 (2)
Related to aircraft:
Patent agent:
None (35) · Armengaud jeune (11) · None (10) · Marks & Clerk (8) · J. S. Withers & Spooner (6) · Munn & Co. (6) · J. Bonnet-Thirion (5) · Schwab (5) · Boult, Wade & Tennant (4) · Émile Bert (4) · E. Blétry (4) · Dom. Casalonga (4)
National tech categories:
FR 6.4 (124) · None (111) · USPC 244/48 (14) · USPC 244/99.11 (6) · USPC 244/38 (4) · DE 77h.5 (4) · USPC 244/90R (3) · USPC 244/65 (3) · USPC 244/119 (3) · USPC 244/49 (2) · USPC 244/47 (2) · CH 129b (2) · USPC 244/88 (2) · USPC 244/87 (2) · USPC 244/234 (2) · USPC 244/131 (2)
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