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Patents > Office: US & Tech fields : flywheel or propulsion

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Office: (Click arrow to add another value)
Inventor location:
None (371) · Pennsylvania (5) · New York (5) · New York city (4) · New York state (3) · Massachusetts (2) · Texas (2) · Minneapolis, Minnesota (2) · Los Angeles (2) · Minnesota (2) · Philadelphia (2) · Missouri (2) · New York county, NY (2) · Ohio (2) · Cleveland (2) · New York county (2) · Hennepin county (2) · California (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
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Granted:
Supplementary to patent:
None (378) · Patent US-1916-1208684 (2)
Related to aircraft:
Patent agent:
None (199) · Munn & Co. (36) · Victor J. Evans (10) · R. S. & A. B. Lacey (6) · C. A. Snow & Co. (6) · None (6) · Michael J. Stark & Sons (4) · 1 (4) · Watson E. Coleman (3) · John P. Tarbox (3) · Arthur C. Fraser & Usina (3) · Franklin H. Hough (3) · Church & Church (3)
Assigned to:
None (385) · 1 (3)
National tech categories:
None (73) · USPC 244/73R (22) · USPC 244/22 (21) · USPC 244/30 (17) · USPC 244/51 (15) · USPC 244/6 (14) · USPC 244/70 (13) · USPC 244/28 (13) · USPC 244/20 (11) · USPC 244/72 (11) · USPC 244/26 (11) · USPC 244/23R (10) · USPC 244/64 (10) · USPC 244/65 (9) · USPC 244/52 (9) · USPC 244/66 (8) · USPC 244/12.1 (8) · USPC 244/93 (8) · USPC 244/27 (7) · USPC 244/60 (7)
IPCs:
None (293) · IPC B64B1/00 (27) · IPC B64C39/00 (11) · IPC B64C33/00 (9) · IPC B64C33/02 (8) · IPC B64C9/00 (7) · IPC B64C11/001 (5) · IPC B64C23/005 (5) · IPC B64C29/00 (4) · IPC B64B1/40 (4) · IPC B64C39/005 (3) · IPC B64C11/006 (3) · IPC B64C11/00 (3) · IPC B64C27/00 (3)
CPCs:
CPC B64B1/00 (65) · CPC B64C23/005 (33) · CPC B64C39/005 (32) · CPC B64C33/02 (30) · None (29) · CPC B64C11/006 (21) · CPC B64C11/001 (15) · CPC B64C9/00 (14) · CPC B64C29/0025 (11) · CPC B64C39/008 (9) · CPC B64C9/38 (8) · CPC B64C33/00 (7) · CPC B64C27/82 (7) · CPC B64C2700/6295 (7) · CPC B64C27/006 (6) · CPC B64C11/00 (6) · CPC B64C27/54 (6) · CPC B64C27/12 (4) · CPC F05B2260/74 (4) · CPC B64C11/48 (4)
First filing:
Citations from after 1930:

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