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Patents > Tech fields: control & Patent agent : J. S. Withers & Spooner or None

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Office:
Inventors:
None (13) · Anton Flettner (11) · Henry Calder Lobnitz (6) · John P. Tarbox (5) · Joseph Wetterwald (5) · Jean Georges Ramel (4) · Paul Robin (3) · Edward Smethurst (3) · Louis Blériot (3) · l'abbé Jean-Martin Demongeot (3) · Hermann Hassenbach (3)
Inventor country:
Applicant person:
None (26) · Anton Flettner (11) · Henry Calder Lobnitz (6) · Joseph Wetterwald (5) · Jean Georges Ramel (4) · Edward Smethurst (3) · Paul Robin (3) · Louis Blériot (3) · l'abbé Jean-Martin Demongeot (3) · Hermann Hassenbach (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (134)
Granted:
Supplementary to patent:
None (178) · Patent GB-1909-2111 (6) · Patent FR-1909-399456 (4) · Patent CH-1910-52044 (3) · Patent DE-1907-202942 (2) · Patent DK-1908-11943 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1905-361570 (2) · Patent FR-1836-5429 (2) · Patent DE-1918-388537 (2) · Patent FR-1911-443878 (2)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (56) · HU V/h (28) · FR 6.4 (25) · DE 77h.5 (25) · AT 77d (18) · DE 77 (12) · BE K (12) · USPC 244/80 (7) · IT 8 (5) · DE 77h (4) · DK 77 (4) · USPC 244/76R (3) · RU Group V (3) · USPC 244/51 (3) · USPC 244/233 (3) · USPC 244/119 (3)
IPCs:
None (150) · IPC B64C13/00 (25) · IPC B64C17/00 (14) · IPC B64C1/00 (11) · IPC CPC B64C13/00 (7) · IPC B64C33/02 (6) · IPC B64C39/00 (6) · IPC B64C3/38 (4) · IPC B64C9/00 (3) · IPC B64B1/00 (3) · IPC B64C9/02 (2) · IPC B64C23/00 (2) · IPC B64C13/04 (2) · IPC B64B1/40 (2) · IPC B64C33/00 (2)
CPCs:
None (123) · CPC B64C13/00 (42) · CPC B64C17/00 (15) · CPC B64C2700/6256 (8) · CPC B64B1/00 (7) · CPC B64C33/02 (6) · CPC B64C3/385 (6) · CPC B64C2700/6218 (5) · CPC B64C9/00 (5) · CPC B64C39/00 (4) · CPC B64C13/24 (4) · CPC B64C2700/6295 (3) · CPC B64C33/00 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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