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Patents > Office : DE or SE or US & Tech fields: propeller

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Supplementary to patent:
None (417) · Patent CH-1905-33302 (2) · Patent GB-1909-12556 (2) · Patent GB-1908-13809 (2) · Patent DE-1917-305040 (2) · Patent DE-1916-332540 (2) · Patent DE-1893-73799 (2) · Patent FR-1908-405961 (2)
Related to aircraft:
Patent agent:
None (238) · Munn & Co. (22) · Victor J. Evans (11) · None (7) · Watson E. Coleman (6) · R. S. & A. B. Lacey (5) · Knight Bros. (4) · Michael J. Stark & Sons (4) · H. C. Everett Co. (4) · C. A. Snow & Co. (3) · Joshua R. H. Potts (3) · B. Singer (3)
Assigned to:
None (434)
National tech categories:
None (89) · DE 77h.6 (50) · DE 77 (19) · USPC 244/30 (13) · USPC 244/6 (13) · USPC 244/51 (12) · USPC 244/66 (11) · USPC 244/22 (11) · USPC 244/73R (10) · DE 77h.5 (10) · USPC 244/13 (9) · USPC 244/72 (8) · DE 77h (8) · USPC 244/25 (8) · USPC 244/64 (8) · USPC 244/26 (7)
IPCs:
None (333) · IPC B64B1/00 (17) · IPC B64C11/16 (11) · IPC B64C39/00 (10) · IPC B64C11/34 (5) · IPC B64C11/20 (5) · IPC B64C11/04 (5) · IPC B64C33/00 (5) · IPC B64C11/00 (5) · IPC B64C33/02 (4) · IPC B64C3/00 (4) · IPC B64C27/00 (4) · IPC B64B1/58 (4) · IPC B64C11/06 (3) · IPC B64C9/00 (3) · IPC B64C17/00 (3) · IPC B64C23/00 (3)
CPCs:
CPC B64B1/00 (51) · None (42) · CPC B64C23/005 (30) · CPC B64C11/006 (26) · CPC B64C33/02 (19) · CPC B64C11/48 (18) · CPC B64C2700/6295 (17) · CPC B64C39/005 (16) · CPC B64C9/00 (12) · CPC B64C17/00 (11) · CPC B64C27/82 (10) · CPC B63H1/12 (10) · CPC B64C39/08 (10) · CPC B64C11/04 (9) · CPC B64C11/065 (8) · CPC B64C11/36 (8) · CPC B64C33/00 (7) · CPC B64C27/54 (7) · CPC B64C11/00 (7)
First filing:
Citations from after 1930:
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