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Patents > Tech fields: propeller & National tech categories : USPC 244/29 or None

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Office:
Inventor location:
None (213) · England (6) · New York state (4) · Los Angeles (4) · Pennsylvania (4) · Panama Canal Zone (3) · NY (3) · Nord (3) · New York City (3) · Balboa (3) · New York (3) · London (3)
Applicant person:
None (87) · Spencer Heath (5) · Seth Hart (4) · Christian Lorenzen (3) · Paul Petres (3) · Robert Ingersoll Eustis (3) · Euclid Jerome Lowe (3) · Thomas Augustus Dring (2) · Francis Alexander Barton (2) · Charles B. Kirkham (2) · Charles Mylo Lee (2) · Edward Smethurst (2) · Charles F. Roper (2) · William Robert Lake (2) · Jacob Waelde (2) · Albert Hirth (2) · Hiram Stevens Maxim (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (144) · 25723218 (2)
Granted:
Supplementary to patent:
None (227) · Patent GB-1909-12556 (4) · Patent US-1915-1217790 (3) · Patent DE-1893-73799 (2) · Patent DE-1907-194165 (2) · Patent US-1908-12-14-Lee (2)
Related to aircraft:
Patent agent:
None (93) · Haseltine, Lake & Co. (8) · Munn & Co. (6) · Abel & Imray (5) · Jensen & Son (5) · W. P. Thompson & Co. (5) · Phillipss (4) · None (4) · 0 (4) · Marks & Clerk (3) · Henry Hughes (3) · W. D. Rowlingson (3) · John P. Tarbox (3) · Wheatley & Mackenzie (3)
National tech categories: (Click arrow to add another value)
CPCs:
None (101) · CPC B64C11/006 (22) · CPC B64C11/36 (14) · CPC B64C11/48 (13) · CPC B64B1/00 (11) · CPC B64C11/04 (10) · CPC B64C11/065 (8) · CPC B63H1/12 (8) · CPC B64C11/16 (7) · CPC B64C27/463 (7) · CPC B64C11/343 (7) · CPC B64C23/005 (7) · CPC F05B2260/96 (7) · CPC B63H1/04 (6) · CPC B64C27/54 (5) · CPC B64C11/205 (4) · CPC B64C11/20 (4) · CPC B64C27/04 (4) · CPC B64C2700/6274 (4) · CPC B64C2700/6281 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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