Drilldown: Patents

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Patents > Office : DE or US & Tech fields: Propulsion & IPCs: None

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Office: (Click arrow to add another value)
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Full specification filed date:
Application number:
None (169)
Granted:
Supplementary to patent:
None (290) · Patent DE-1893-73799 (2) · Patent US-1916-1208684 (2) · Patent FR-1912-458772 (2)
Related to aircraft:
Patent agent:
None (171) · Munn & Co. (26) · Victor J. Evans (7) · None (6) · R. S. & A. B. Lacey (3) · Michael J. Stark & Sons (3) · Franklin H. Hough (3) · Watson E. Coleman (3) · E. G. Vrooman (2) · Spencer Heath (2) · Arthur C. Fraser & Usina (2) · Abram Macey? (2) · Howson and Howson (2) · Geo. H. Strong (2)
National tech categories:
None (70) · DE 77 (22) · USPC 244/73R (16) · USPC 244/22 (12) · USPC 244/6 (11) · USPC 244/28 (10) · USPC 244/70 (9) · USPC 244/20 (9) · DE 77h.6 (8) · USPC 244/51 (8) · USPC 244/30 (7) · DE 77h (7) · USPC 244/66 (6) · USPC 244/23R (6) · USPC 244/26 (6) · USPC 244/72 (6)
IPCs: (Click arrow to add another value)
CPCs:
None (63) · CPC B64B1/00 (38) · CPC B64C23/005 (24) · CPC B64C39/005 (22) · CPC B64C33/02 (18) · CPC B64C11/006 (18) · CPC B64C11/001 (10) · CPC B64C9/00 (6) · CPC B64C29/0025 (6) · CPC B64C9/38 (5) · CPC B64C2700/6295 (5) · CPC B64C27/82 (5) · CPC B64C27/54 (4) · CPC B64C27/006 (4) · CPC B64C11/48 (4) · CPC B64C11/00 (4) · CPC B64C33/00 (4)
First filing:
Citations from after 1930:

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