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Patents > IPCs : IPC B64C1/00 or IPC B64C23/00 or IPC B64C31/06

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None (605) · Seine (20) · Paris (9) · Seine-et-Oise (7) · Yorkshire (5) · Maine-et-Loire (4) · Hérault (4) · Indiana (4) · Nord (4) · Loire (3) · Meudon (3) · Nièvre (3) · Aisne (3) · England (3) · La Ricamarie (3) · California (3)
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Supplementary to patent:
None (483) · Patent FR-1910-435648 (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent GB-1909-8531‎ (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1909-410140 (3)
Related to aircraft:
Patent agent:
None (119) · None (65) · Armengaud jeune (27) · J. Bonnet-Thirion (17) · Boult, Wade & Tennant (13) · E. Blétry (12) · Schwab (12) · J. Germain (11) · Haseltine, Lake & Co. (10) · Marks & Clerk (10) · Dupont et Elluin (9) · Brandon freres (9) · Charles Dony (9) · Herbert Haddan & Co. (8) · Hippolyte Josse (8)
National tech categories:
FR 6.4 (405) · None (213) · USPC 244/153R (22) · DE 77h.5 (15) · FR 6.3 (9) · FR 20.1 (9) · DE 77 (6) · USPC 244/155R (6) · USPC 244/119 (5) · DE 77h (3) · USPC 244/6 (3) · USPC 244/66 (2) · USPC 244/79 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (281) · CPC B64C2700/6218 (193) · CPC B64C23/005 (191) · CPC B64C2700/6274 (123) · CPC B64C1/00 (84) · CPC B64C17/06 (69) · CPC A63H27/08 (61) · CPC B64C2700/6216 (47) · CPC B64C2700/6219 (36) · CPC B64C2700/6228 (33) · CPC B64C2001/0063 (27) · CPC B64C2700/6273 (17) · CPC B64C2001/0081 (17) · CPC B64C2700/6271 (12) · CPC B64C2700/6225 (8) · CPC B64C1/061 (8) · CPC A63H27/087 (7) · CPC B64C17/04 (7) · CPC B64C2700/6223 (5) · CPC B64C1/08 (5)
First filing:
Cites these patents:
None (710)
Citations from after 1930:
Number of diagram pages:

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