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Patents > Office : NL or US & Tech fields: propulsion & Number of text pages: 2-3

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Office: (Click arrow to add another value)
Inventors:
Albert Hugo Friedel (4) · James A. Horne (3) · None (2) · Louis Coutant Badeau (2) · Burr Frank Barnes (2) · Stewart Cairncross (2)
Inventor country:
Applicant person:
None (37) · Albert Hugo Friedel (3) · James A. Horne (3) · Louis Coutant Badeau (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (81)
Granted:
Supplementary to patent:
None (160)
Related to aircraft:
Patent agent:
None (69) · Munn & Co. (20) · Victor J. Evans (6) · R. S. & A. B. Lacey (5) · C. A. Snow & Co. (4) · Arthur C. Fraser & Usina (3) · Franklin H. Hough (3) · 1 (3) · None (3) · Howson and Howson (2) · Abram Macey? (2) · Church & Church (2) · B. Singer (2) · Knight Bros. (2)
National tech categories:
None (24) · USPC 244/73R (11) · USPC 244/70 (9) · USPC 244/28 (9) · USPC 244/6 (8) · USPC 244/30 (6) · USPC 244/23R (6) · USPC 244/22 (6) · USPC 244/20 (6) · USPC 244/51 (6) · USPC 244/66 (6) · USPC 244/27 (5) · USPC 244/60 (5) · USPC 244/26 (5) · USPC 244/64 (5) · USPC 244/25 (5) · USPC 244/72 (5)
CPCs:
CPC B64B1/00 (33) · CPC B64C39/005 (19) · CPC B64C23/005 (14) · CPC B64C11/006 (9) · CPC B64C33/02 (8) · CPC B64C11/001 (7) · CPC B64C29/0025 (6) · CPC B64C27/82 (6) · None (5) · CPC B64C9/00 (4) · CPC B64C39/008 (4) · CPC B64C27/54 (4) · CPC B64C27/006 (4) · CPC B64C2700/6295 (4) · CPC B64C39/00 (3) · CPC B64C11/00 (3) · CPC B64C11/48 (3) · CPC B64C39/08 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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