Drilldown: Patents

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Patents > Tech fields: propeller & Assigned to: None & National tech categories : USPC 244/80 or None

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Office:
Inventors:
None (12) · Thomas Augustus Dring (6) · Paul Petres (3) · Edward Joel Pennington (3) · Francis Alexander Barton (3) · Christian Lorenzen (3) · Rupert John Isaacson (3) · Spencer Heath (3)
Inventor country:
Applicant person:
None (93) · Christian Lorenzen (3) · Spencer Heath (3) · Paul Petres (3) · Ugo Antoni (2) · Guido Antoni (2) · Francis Alexander Barton (2) · Edward Smethurst (2) · Thomas Augustus Dring (2) · Albert Hugo Friedel (2) · Charles Mylo Lee (2) · William Robert Lake (2) · Antoine-Padoue Filippi (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (126) · 25723218 (2)
Granted:
Supplementary to patent:
None (159) · Patent GB-1909-12556 (4) · Patent DE-1893-73799 (2) · Patent DE-1907-194165 (2) · Patent US-1908-12-14-Lee (2)
Related to aircraft:
Patent agent:
None (85) · Haseltine, Lake & Co. (6) · Jensen & Son (4) · Henry Hughes (3) · Marks & Clerk (3) · Wheatley & Mackenzie (3) · None (3) · Phillipss (3) · W. D. Rowlingson (3) · R. S. & A. B. Lacey (2) · 0 (2) · Joshua R. H. Potts (2) · Munn & Co. (2) · Edward Evans & Co. (2) · R. E. P. Craven (2) · J. E. Evans-Jackson & Co. (2) · Abel & Imray (2) · W. P. Thompson & Co. (2) · Alexander Denes (2) · Armengaud jeune (2)
Assigned to: (Click arrow to add another value)
National tech categories: (Click arrow to add another value)
CPCs:
None (96) · CPC B64C11/006 (15) · CPC B64C11/48 (11) · CPC B64C23/005 (8) · CPC B64B1/00 (6) · CPC B63H1/12 (6) · CPC B63H1/04 (5) · CPC B64C11/065 (5) · CPC B64C11/36 (4) · CPC B64C27/54 (4) · CPC B64C27/12 (3) · CPC B63H5/10 (3) · CPC B64C11/04 (3) · CPC B64C2700/6274 (3) · CPC B64C13/00 (3) · CPC B64C11/16 (3) · CPC F05B2260/74 (3) · CPC B64C11/205 (3) · CPC B64C27/04 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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