Drilldown: Patents

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Patents > Tech fields : Balloons or propeller & Number of figures: 5

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Office:
Inventors:
Thomas Augustus Dring (4) · Paul Petres (3) · None (2) · Spencer Heath (2) · Anthony O'Brate (2) · Edward Smethurst (2) · Leonardo Torres Quevedo (2)
Inventor country:
Applicant person:
None (17) · Paul Petres (3) · Thomas Augustus Dring (2) · Leonardo Torres Quevedo (2) · Edward Smethurst (2) · Spencer Heath (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (34)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (25) · None (4) · Haseltine, Lake & Co. (2) · Alexander Denes (2) · Victor J. Evans (2) · Ed. Wolf (2) · Munn & Co. (2)
National tech categories:
None (27) · FR 6.4 (6) · USPC 244/64 (4) · AT 77d (3) · RU Group V (3) · USPC 244/66 (3) · USPC 244/60 (3) · USPC 244/30 (2) · USPC 244/17.21 (2) · FR 6.3 (2) · FR 6.2 (2) · USPC 244/51 (2) · DE 77 (2)
CPCs:
None (16) · CPC B64B1/00 (10) · CPC B64C11/006 (6) · CPC B64C11/48 (4) · CPC B64C39/08 (3) · CPC B64C39/005 (3) · CPC B64C2700/6295 (3) · CPC B64C23/005 (3) · CPC B64B1/58 (3) · CPC B64B1/40 (3) · CPC B64C27/82 (3) · CPC B63H5/10 (3) · CPC B64U10/00 (2) · CPC B63H1/04 (2) · CPC B64C27/54 (2) · CPC B64C27/04 (2) · CPC B64C9/00 (2) · CPC B64C2201/00 (2) · CPC B64C33/02 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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