Drilldown: Patents

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Patents > Application number: None & National tech categories: None & Number of figures: 10-16

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Office:
Inventors:
Elmer Ambrose Sperry (3) · Francis Alexander Barton (2) · Louis Alard (2) · Everard Richard Calthrop (2) · Martin Diederich Rucker (2) · William Alfred South (2) · Charles Groombridge (2) · William C. Lawson (2) · Arthur Henry Edwards (2) · Julius Schülke (2) · Richard Czygan (2)
Applicant person:
None (13) · Charles Groombridge (2) · William C. Lawson (2) · William Alfred South (2) · Martin Diederich Rucker (2) · Louis Alard (2) · Julius Schülke (2) · Everard Richard Calthrop (2) · William Phillips Thompson (2) · Arthur Henry Edwards (2)
Applicant is inventor:
Tech fields:
propulsion (22) · airplane (20) · frame (14) · propellers (13) · Design (12) · navigation (12) · LTA (12) · propeller (11) · None (9) · marine (7) · construction (7) · control (7) · wings (7) · Stability (6) · hydroaeroplane (5) · rudder (5) · hybrid (5) · Lift (5) · Whole (5) · balloon (5)
Full specification filed date:
Application number: (Click arrow to add another value)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (18) · None (4) · Herbert Haddan & Co. (3) · Herbert H. Thompson (3) · Wheatley & Mackenzie (3) · Haseltine, Lake & Co. (3) · Marks & Clerk (3) · Ernest de Pass (2) · Henry Hughes (2) · Jensen & Son (2) · Philip M. Justice (2) · J. Owden O'Brien (2) · W. D. Rowlingson (2) · A. M. & William Clark (2)
National tech categories: (Click arrow to add another value)
CPCs:
None (53) · CPC B64B1/00 (3) · CPC G01C19/38 (2) · CPC B64C35/00 (2) · CPC B64C27/463 (2) · CPC F05B2260/96 (2) · CPC F42B10/50 (2) · CPC A63H27/08 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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