Drilldown: Patents

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Patents > Tech fields : car or propeller & First filing: Yes

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Supplementary to patent:
None (494) · Patent DE-1909-227246 (2) · Patent GB-1909-12556 (2) · Patent DE-1893-73799 (2)
Related to aircraft:
Patent agent:
None (241) · Munn & Co. (29) · Victor J. Evans (12) · None (10) · Watson E. Coleman (6) · Marks & Clerk (5) · R. S. & A. B. Lacey (5) · H. C. Everett Co. (4) · Michael J. Stark & Sons (4) · C. A. Snow & Co. (4) · Knight Bros. (3) · Joshua R. H. Potts (3) · D. W. Glassie (3) · Haseltine, Lake & Co. (3)
IPCs:
None (362) · IPC B64B1/00 (37) · IPC B64C39/00 (10) · IPC B64C23/00 (9) · IPC B64C11/16 (9) · IPC B64C11/00 (9) · IPC B64C11/04 (7) · IPC B64C11/20 (7) · IPC B64B1/58 (6) · IPC B64C27/00 (6) · IPC B64C33/00 (5) · IPC B64B1/40 (4) · IPC B64C17/00 (4) · IPC B64C33/02 (4) · IPC B64C9/00 (4) · IPC B64C11/30 (3) · IPC B64C11/34 (3) · IPC B64C3/14 (3)
CPCs:
None (76) · CPC B64B1/00 (66) · CPC B64C23/005 (35) · CPC B64C11/006 (23) · CPC B64C33/02 (20) · CPC B64C39/005 (18) · CPC B64C11/48 (15) · CPC B64C2700/6295 (14) · CPC B64C9/00 (14) · CPC B64B1/40 (12) · CPC B64C27/82 (11) · CPC B64C39/08 (11) · CPC B64C17/00 (10) · CPC B64C11/04 (9) · CPC B64B1/58 (9) · CPC B64C13/00 (8) · CPC B64C11/065 (8) · CPC B63H1/12 (8)
First filing: (Click arrow to add another value)
Citations from after 1930:
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