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Patents > Office : US or None & Tech fields: propeller & Number of text pages: 2-3

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Office: (Click arrow to add another value)
Inventors:
Paul Petres (3) · Spencer Heath (3) · Louis Coutant Badeau (3) · Anthony O'Brate (3) · Stewart Cairncross (2) · Jean M. Alleas (2) · Albert Hugo Friedel (2) · Wesley Wait (2)
Inventor country:
Applicant person:
None (33) · Anthony O'Brate (3) · Spencer Heath (3) · Paul Petres (3) · Louis Coutant Badeau (3) · Wesley Wait (2) · Jean M. Allèas (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (58) · 25723218 (2)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (60) · Munn & Co. (11) · Victor J. Evans (9) · None (5) · Watson E. Coleman (3) · C. A. Knowles (2) · Dodge & Sons (2) · Alexander Denes (2) · B. Singer (2) · Knight Bros. (2) · C. A. Snow & Co. (2)
National tech categories:
None (49) · USPC 244/66 (10) · USPC 244/6 (8) · USPC 244/51 (7) · USPC 244/64 (6) · USPC 244/30 (6) · USPC 244/20 (5) · USPC 244/46 (5) · USPC 244/87 (4) · USPC 244/25 (4) · USPC 244/45R (4) · USPC 244/17.21 (4) · USPC 244/60 (4) · USPC 244/26 (4) · USPC 244/70 (4) · USPC 244/73R (4) · USPC 244/13 (4)
CPCs:
CPC B64B1/00 (21) · CPC B64C23/005 (17) · CPC B64C11/48 (13) · CPC B64C39/005 (12) · CPC B64C11/006 (12) · CPC B64C2700/6295 (9) · CPC B64C27/82 (7) · CPC B63H1/12 (6) · CPC B64C39/08 (6) · CPC B63H5/10 (6) · CPC F05B2260/74 (5) · CPC B64C9/00 (5) · CPC B64C17/00 (5) · CPC B63H1/04 (4) · CPC B64C11/04 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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