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Patents > CPCs : CPC B64C2700/6212 or CPC B64C2700/6274 or CPC B64C35/00

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Tech fields:
None (293) · Airplane (122) · stability (89) · hydroaeroplane (56) · design (56) · hydroplane (42) · hybrid (42) · frame (42) · control (41) · propulsion (32) · automatic stability (31) · marine (29) · propellers (29) · Construction (25) · helicopter (22) · subsystem (22) · landing (21) · ascension (20) · takeoff (19)
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None (492) · Patent FR-1908-396249 (5) · Patent FR-1912-455471 (3) · Patent US-1913-1094989 (3) · Patent FR-1916-493411 (3) · Patent FR-1910-426487 (3) · Patent BE-1912-02-27 Caudron (3)
Related to aircraft:
Patent agent:
None (312) · Armengaud jeune (11) · None (11) · Boult, Wade & Tennant (10) · Matray frères et Cie (9) · J. Germain (8) · E. Bletry (8) · Marks & Clerk (8) · John P. Tarbox (7) · J. Bonnet-Thirion (6) · J. Bonnet-Thirion et Breton (6) · L. Chassevent (6) · Herbert Haddan & Co. (6) · Brewer & Son (6) · Borame et Julien (6) · Hippolyte Josse (6) · Louis Tailfer (5) · M. Zerolo (5) · W. P. Thompson & Co. (5) · Abel & Imray (5)
National tech categories:
None (365) · FR 6.4 (212) · DE 77h.9 (10) · USPC 244/105 (6) · USPC 244/101 (5) · USPC 244/6 (3) · FR 6.3 (3) · DE 77h.5 (3) · USPC 244/87 (2) · DE 77h.15 (2) · USPC 244/90R (2) · USPC 244/50 (2)
CPCs: (Click arrow to add another value)
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