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

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Office: (Click arrow to add another value)
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Full specification filed date:
Application number:
None (160)
Granted:
Supplementary to patent:
None (354)
Related to aircraft:
Patent agent:
None (220) · Munn & Co. (31) · Victor J. Evans (6) · R. S. & A. B. Lacey (5) · 1 (4) · Michael J. Stark & Sons (4) · C. A. Snow & Co. (4) · None (4) · Arthur C. Fraser & Usina (3) · Franklin H. Hough (3) · Criswell & Criswell (2) · Knight Bros. (2) · Spencer Heath (2) · B. Singer (2) · Church & Church (2) · George H. Strong (2) · Howson and Howson (2) · Watson E. Coleman (2) · Abram Macey? (2) · 0 (2)
Assigned to:
None (364) · 1 (4)
National tech categories:
None (61) · USPC 244/73R (21) · USPC 244/22 (20) · USPC 244/30 (19) · USPC 244/6 (15) · USPC 244/51 (15) · USPC 244/70 (13) · USPC 244/28 (13) · USPC 244/20 (11) · USPC 244/23R (10) · USPC 244/26 (10) · USPC 244/72 (10) · USPC 244/64 (9) · USPC 244/52 (8) · USPC 244/65 (8) · USPC 244/93 (8) · USPC 244/12.1 (8) · USPC 244/27 (8) · USPC 244/60 (7) · USPC 244/66 (7)
IPCs:
None (252) · IPC B64B1/00 (31) · IPC B64C39/00 (14) · IPC B64C33/02 (13) · IPC B64C33/00 (10) · IPC B64C9/00 (9) · IPC B64C23/005 (6) · IPC B64B1/40 (5) · IPC B64C27/00 (4) · IPC B64C29/00 (4) · IPC B64C11/001 (4) · IPC B64C11/006 (3) · IPC B64C39/005 (3) · IPC B64C11/00 (3)
CPCs:
CPC B64B1/00 (64) · CPC B64C39/005 (31) · CPC B64C23/005 (30) · None (29) · CPC B64C33/02 (27) · CPC B64C11/006 (17) · CPC B64C9/00 (14) · CPC B64C11/001 (14) · CPC B64C29/0025 (12) · CPC B64C39/008 (8) · CPC B64C27/82 (7) · CPC B64C2700/6295 (7) · CPC B64C9/38 (7) · CPC B64C27/006 (6) · CPC B64C27/54 (6) · CPC B64C11/00 (5) · CPC B64C33/00 (5) · CPC B64C39/00 (4) · CPC B64C27/12 (4) · CPC B64C30/00 (4)
First filing:
Citations from after 1930:

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