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Patents > CPCs : CPC B64C27/18 or CPC B64C33/02 or CPC B64C35/00

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Tech fields:
None (253) · flapping (101) · frame (80) · airplane (76) · propulsion (64) · hydroaeroplane (60) · ornithopter (60) · Design (54) · wings (51) · hydroplane (44) · hybrid (41) · marine (34) · navigation (32) · landing (30) · takeoff (27) · propeller (24) · wheels (24) · stability (23) · LTA (22) · rudder (20)
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Supplementary to patent:
None (500) · Patent FR-1912-446040 (4) · Patent BE-1910-12-28-Muehter (3) · Patent US-1913-1094989 (3) · Patent GB-1909-12556 (3) · Patent FR-1916-493411 (3) · Patent FR-1912-455471 (3) · Patent BE-1912-02-27 Caudron (3) · Patent FR-1910-426487 (3)
Related to aircraft:
Patent agent:
None (326) · None (16) · John P. Tarbox (11) · Boult, Wade & Tennant (10) · Armengaud jeune (9) · Marks & Clerk (9) · J. Bonnet-Thirion et Breton (7) · Louis Tailfer (5) · Lavoix et Mosès (5) · Edward Evans & Co. (5) · Brewer & Son (5) · Munn & Co. (5) · Dom. Casalonga (5) · M. Zerolo (4) · C. A. Snow & Co. (4) · Haseltine, Lake & Co. (4) · Brandon frères (4) · Weismann et Marx (4) · Hippolyte Josse (4) · Dupont et Elluin (4)
National tech categories:
None (291) · FR 6.4 (157) · USPC 244/22 (70) · USPC 244/72 (19) · DE 77h.10 (16) · DE 77 (15) · DE 77h.9 (15) · FR 6.3 (9) · USPC 244/105 (7) · DE 77h (5) · USPC 244/101 (5) · DE 77h.5 (4) · USPC 244/64 (3) · FR 6.2 (3) · USPC 244/133 (3) · GB 4 propel & steer (2) · GB 4 propelling (2) · USPC 244/87 (2) · USPC 244/90R (2) · USPC 244/50 (2)
CPCs: (Click arrow to add another value)
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