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Patents > IPCs : IPC B64C23/00 or IPC B64C33/02 or IPC B64C5/04

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None (354) · Seine (13) · Paris (4) · Rhône (3) · Lorient (3) · Morbihan (3) · Seine-et-Oise (3) · Maine-et-Loire (2) · London (2) · Indiana (2) · Nord (2) · Bouches-du-Rhône (2) · California (2)
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Supplementary to patent:
None (293) · Patent BE-1910-12-28-Muehter (3) · Patent FR-1909-410140 (3) · Patent AT-1909-40038 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1909-220044 (2) · Patent FR-1912-446040 (2) · Patent FR-1908-394254‎ (2) · Patent FR-1915-525800 (2) · Patent FR-1909-404954 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1909-420004 (2)
Related to aircraft:
Patent agent:
None (92) · None (29) · E. Blétry (9) · Marks & Clerk (8) · Armengaud jeune (8) · J. Germain (8) · Schwab (7) · Chassevent (6) · Rigot et Prévost (6) · Borame et Julien (6) · Ad. Sturm (6) · G. de Mestral et F. Harlé (6) · J. Bonnet-Thirion (5) · Hippolyte Josse (5) · C. Blétry (5)
National tech categories:
FR 6.4 (205) · None (99) · DE 77h.10 (23) · FR 10.1 (17) · DE 77 (12) · FR 6.3 (12) · USPC 244/22 (8) · USPC 244/72 (5) · FR 10.2 (5) · FR 6.2 (3) · USPC 244/6 (3) · DE 77h (3) · USPC 244/66 (3) · USPC 244/34R (3) · USPC 244/39 (2) · USPC 244/64 (2) · GB 4 propel & steer (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (188) · CPC B64C33/02 (175) · CPC B64C2700/6274 (123) · None (21) · CPC B64C2700/6273 (16) · CPC B62C5/04 (14) · CPC B64C2700/6271 (12) · CPC B62C5/00 (4) · CPC B64C5/04 (4) · CPC B64C33/025 (3) · CPC B64C33/00 (3)
First filing:
Cites these patents:
None (414)
Citations from after 1930:
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