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Patents > Tech fields: propeller & National tech categories : USPC 244/22 or None

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Office:
Inventors:
None (13) · Thomas Augustus Dring (6) · Paul Petres (3) · Francis Alexander Barton (3) · Christian Lorenzen (3) · Rupert John Isaacson (3) · Spencer Heath (3) · Edward Joel Pennington (3)
Applicant person:
None (96) · Spencer Heath (3) · Christian Lorenzen (3) · Paul Petres (3) · Guido Antoni (2) · Bartholomew Connolly (2) · Francis Alexander Barton (2) · Thomas Augustus Dring (2) · Antoine-Padoue Filippi (2) · William Robert Lake (2) · Ugo Antoni (2) · Edward Smethurst (2) · Charles Mylo Lee (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (129) · 25723218 (2)
Granted:
Supplementary to patent:
None (174) · Patent GB-1909-12556 (4) · Patent DE-1893-73799 (2) · Patent DE-1913-293131 (2) · Patent DE-1907-194165 (2) · Patent US-1908-12-14-Lee (2)
Related to aircraft:
Patent agent:
None (92) · Haseltine, Lake & Co. (6) · Jensen & Son (4) · Phillipss (3) · Wheatley & Mackenzie (3) · Marks & Clerk (3) · Henry Hughes (3) · W. D. Rowlingson (3) · None (3) · Munn & Co. (2) · R. E. P. Craven (2) · Joshua R. H. Potts (2) · C. A. Snow & Co. (2) · Edward Evans & Co. (2) · W. P. Thompson & Co. (2) · Armengaud jeune (2) · J. E. Evans-Jackson & Co. (2) · 0 (2) · Abel & Imray (2) · Alexander Denes (2)
National tech categories: (Click arrow to add another value)
CPCs:
None (96) · CPC B64C11/006 (17) · CPC B64C11/48 (13) · CPC B64C33/02 (10) · CPC B63H1/12 (8) · CPC B64C23/005 (7) · CPC B64C11/065 (6) · CPC B63H1/04 (6) · CPC B64B1/00 (6) · CPC B64C11/04 (6) · CPC B64C11/36 (4) · CPC B64C27/54 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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