Drilldown: Patents

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Patents > Tech fields : Flapping or propeller & National tech categories: None

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Office:
Inventors:
None (13) · Thomas Augustus Dring (6) · Spencer Heath (6) · Ugo Antoni (3) · Christian Lorenzen (3) · Rupert John Isaacson (3) · Edward Joel Pennington (3) · Paul Petres (3) · Francis Alexander Barton (3) · Isaac Bell (3) · Guido Antoni (3)
Applicant person:
None (105) · Spencer Heath (6) · Guido Antoni (3) · Paul Petres (3) · Christian Lorenzen (3) · Ugo Antoni (3) · Newton Roberts Gordon (2) · Francis Alexander Barton (2) · Edward Smethurst (2) · Franz Xaver Wels (2) · Frederick William Hutchinson Hutchinson (2) · Ruter William Springer (2) · Charles Mylo Lee (2) · Thomas Augustus Dring (2) · Blaise Bontems (2) · William Robert Lake (2) · Antoine-Padoue Filippi (2) · Hiram Stevens Maxim (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (162) · 25723218 (2)
Granted:
Supplementary to patent:
None (201) · Patent GB-1909-12556 (4) · Patent DE-1913-293131 (2) · Patent GB-1911-12188 (2) · Patent GB-1913-4191 (2) · Patent DE-1907-194165 (2) · Patent DE-1893-73799 (2) · Patent FR-1885-168266 (2) · Patent US-1908-12-14-Lee (2) · Patent FR-1908-407411 (2) · Patent AT-1912-75092 (2) · Patent US-1916-1208684 (2)
Related to aircraft:
Patent agent:
None (108) · Haseltine, Lake & Co. (8) · Jensen & Son (6) · None (5) · W. P. Thompson & Co. (4) · Boult, Wade & Tennant (4) · Wheatley & Mackenzie (3) · Abel & Imray (3) · Edward Evans & Co. (3) · Marks & Clerk (3) · Phillipss (3) · W. D. Rowlingson (3) · Henry Hughes (3)
National tech categories: (Click arrow to add another value)
CPCs:
None (123) · CPC B64C11/006 (19) · CPC B64C11/48 (13) · CPC B64C33/02 (9) · CPC B64B1/00 (8) · CPC B64C33/00 (8) · CPC B63H1/12 (8) · CPC B64C23/005 (7) · CPC B63H1/04 (6) · CPC B64C11/065 (6) · CPC B64C11/04 (6) · CPC B64C11/36 (5) · CPC B64C27/54 (4) · CPC B64C2700/6281 (4) · CPC B64C27/04 (4) · CPC B64C39/005 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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