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Patents > Tech fields : lift or marine & Supplementary to patent: None & National tech categories : DE 77h.5 or None

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Office:
Inventors:
None (9) · Glenn Hammond Curtiss (4) · James Robertson Porter (2) · Erik Emanuel Lindkvist (2) · Johan Peter Hemme Lund (2) · George Sutherland Dodman (2) · Richard Ralph à Court Beadon (2) · Anton Flettner (2)
Inventor country:
Applicant person:
None (58) · George Sutherland Dodman (2) · James Robertson Porter (2) · Anton Flettner (2) · Richard Ralph à Court Beadon (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (89)
Granted:
Publication date:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (67) · John P. Tarbox (5) · Jensen & Son (3) · Munn & Co. (3) · Haseltine, Lake & Co. (3) · E. R. Royston & Co. (2) · Marks & Clerk (2) · Newnham Browne & Co. (2) · None (2) · Edward Evans & Co. (2) · Boult, Wade & Tennant (2) · W. P. Thompson & Co. (2)
National tech categories: (Click arrow to add another value)
CPCs:
None (55) · CPC B64C11/006 (12) · CPC B64C35/00 (9) · CPC B64C13/00 (6) · CPC B63H1/12 (5) · CPC B64C27/54 (4) · CPC B64B1/00 (4) · CPC B64C2700/6295 (4) · CPC B63H1/04 (4) · CPC B64C11/48 (4) · CPC B64C39/005 (3) · CPC B64C39/00 (3) · CPC B64C23/005 (3) · CPC B64F2700/6261 (3) · CPC B64C11/065 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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