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Patents > Year granted: 1910 - 1919 & Tech fields: propeller

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None (295) · Patent GB-1909-12556 (7) · Patent FR-1909-410140 (4) · Patent GB-1911-5162 (4) · Patent GB-1908-13809 (3) · Patent DE-1913-293131 (3) · Patent CA-1909-126457 (2) · Patent GB-1911-19430 (2) · Patent DE-1909-227246 (2) · Patent DE-1913-290120 (2)
Related to aircraft:
Patent agent:
None (160) · Victor J. Evans (8) · Munn & Co. (7) · Watson E. Coleman (6) · Schwab (5) · Michael J. Stark & Sons (4) · R. S. & A. B. Lacey (4) · Armengaud jeune (4) · None (4) · Marks & Clerk (4) · Henry Hughes (3) · C. A. Snow & Co. (3) · Arthur Otto Sachse (3)
National tech categories:
None (72) · FR 6.4 (36) · DE 77h.6 (20) · AT 77d (11) · USPC 244/6 (11) · USPC 244/13 (8) · USPC 244/73R (7) · USPC 244/66 (7) · USPC 244/51 (7) · USPC 244/87 (6) · USPC 244/139 (6) · USPC 244/11 (6) · RU Group V (6) · USPC 244/60 (6)
IPCs:
None (254) · IPC B64C39/00 (9) · IPC B64C23/00 (7) · IPC B64C11/16 (7) · IPC B64C11/00 (7) · IPC B64C33/00 (6) · IPC B64B1/00 (6) · IPC B64C27/00 (4) · IPC B64C11/30 (4) · IPC B64C27/04 (3) · IPC B64C11/06 (3) · IPC B64C3/00 (3) · IPC B64C17/00 (3)
CPCs:
None (68) · CPC B64C23/005 (29) · CPC B64B1/00 (23) · CPC B64C2700/6295 (17) · CPC B64C11/006 (14) · CPC B64C39/005 (12) · CPC B64C33/02 (11) · CPC B64C17/00 (10) · CPC B64C11/48 (9) · CPC B64C11/16 (8) · CPC B64C39/08 (8) · CPC B64C27/82 (6) · CPC B64C33/00 (6) · CPC B64C3/385 (6) · CPC B64C11/00 (6) · CPC B64C13/00 (5) · CPC B64C11/343 (5) · CPC B64C29/0033 (5) · CPC B64C9/00 (5) · CPC B64C3/14 (5)
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