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Patents > IPCs : IPC B64C23/00 or IPC B64C31/06 or IPC B64C35/00

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Tech fields:
airplane (119) · design (75) · None (65) · Frame (63) · hydroaeroplane (58) · kite (54) · hybrid (52) · Hydroplane (44) · propulsion (39) · Propellers (36) · Construction (33) · wings (30) · stability (27) · landing (26) · aerodynamics (25) · helicopter (24) · takeoff (23) · ascension (23) · control (22)
Full specification filed date:
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Granted:
Supplementary to patent:
None (272) · Patent GB-1911-29012 (8) · Patent FR-1909-410140 (5) · Patent FR-1912-455471 (3) · Patent GB-1912-29012.15939 (3) · Patent FR-1916-493411 (3) · Patent BE-1912-02-27 Caudron (3) · Patent FR-1910-426487 (3) · Patent FR-1912-446818 (3) · Patent FR-1912-452017 (3)
Related to aircraft:
Patent agent:
None (93) · None (19) · Armengaud jeune (12) · Boult, Wade & Tennant (11) · Marks & Clerk (8) · Brewer & Son (7) · Brandon frères (7) · Dom. Casalonga (6) · Edward Evans & Co. (6) · J. Bonnet-Thirion et Breton (6) · J. Bonnet-Thirion (6) · Weismann et Marx (6) · Charles Dony (5) · M. Zerolo (5) · Borame et Julien (5) · L. Chassevent (5) · E. Bletry (5) · Louis Tailfer (5) · Lavoix et Mosès (5) · G. de Mestral et F. Harle (5)
National tech categories:
FR 6.4 (202) · None (125) · USPC 244/153R (24) · DE 77h.9 (16) · DE 77 (10) · FR 20.1 (8) · USPC 244/155R (6) · FR 6.3 (5) · DE 77h.5 (5) · DE 77h (4) · USPC 244/6 (3) · USPC 244/101 (2) · USPC 244/66 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (171) · CPC B64C35/00 (148) · CPC B64C2700/6274 (108) · CPC A63H27/08 (57) · CPC B64F2700/6261 (31) · CPC B64F2700/6296 (17) · CPC B64C2700/6273 (16) · CPC B64F2700/628 (13) · CPC B64C35/008 (12) · CPC B64C2700/6271 (9) · CPC B64F2700/6265 (9) · CPC B64F2700/6276 (8) · CPC A63H27/087 (7) · CPC B64F2700/6292 (7) · IPC B64C35/00 (5) · CPC B64C23/00 (5) · CPC B64F2700/6284 (5) · CPC B64C35/001 (5) · CPC B64F2700/6288 (4)
First filing:
Cites these patents:
None (413)
Citations from after 1930:
Number of diagram pages:

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