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Patents > IPCs : IPC B64B1/00 or IPC B64C33/02 or IPC G01R22/02

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Supplementary to patent:
None (447) · Patent BE-1910-12-28-Muehter (3) · Patent ES-1906-38692 (3) · Patent FR-1913-472867 (3) · Patent DE-1910-09-03 Richard Blum (2) · Patent GB-1913-11207 (2) · Patent CH-1909-48028 (2) · Patent IT-1913- (2) · Patent FR-1914-472867.19895 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1912-446040 (2) · Patent FR-1902-317598 (2) · Patent FR-1907-382794 (2) · Patent FR-1909-420004 (2)
Related to aircraft:
Patent agent:
None (224) · None (26) · Armengaud jeune (17) · Boramé et Julien (12) · Munn & Co. (11) · Brandon frères (11) · Hippolyte Josse (10) · Chassevent (10) · E. Blétry (10) · Haseltine, Lake & Co. (8) · C. Blétry (7) · Marks & Clerk (7) · C. Baumann (6) · Ad. Sturm (6) · Lavoix et Mosès (6) · Boult, Wade & Tennant (6) · G. Petiau (6) · G. de Mestral et F. Harlé (5) · de Bongé (5)
National tech categories:
FR 6.4 (264) · None (82) · FR 6.3 (59) · USPC 244/30 (31) · DE 77h.10 (23) · DE 77 (18) · USPC 244/26 (15) · USPC 244/25 (11) · DE 77h.2 (9) · USPC 244/96 (8) · USPC 244/22 (8) · USPC 244/97 (7) · USPC 244/67 (7) · USPC 244/32 (6) · USPC 244/125 (6) · FR 6.2 (6) · DE 77h (5) · USPC 244/72 (5) · USPC 24/713.8 (5)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64B1/00 (375) · CPC B64C33/02 (173) · CPC B64B1/40 (18) · CPC B64B1/005 (12) · CPC B64B1/58 (8) · None (8) · CPC Y10T24/3747 (5) · CPC B64F2700/6219 (4) · CPC B64B1/62 (4) · CPC B64C33/00 (3) · CPC B64B1/50 (3) · CPC B61B5/02 (2) · CPC B64B1/06 (2) · CPC B64B1/60 (2) · CPC B64C33/025 (2)
First filing:
Citations from after 1930:
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