Drilldown: Patents

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Patents > Office : ?? or AH or DK or IN or US & Tech fields : Propulsion or balloon & Related to aircraft: 1 & Patent agent: None

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Office: (Click arrow to add another value)
Inventors:
Ralph Hazlett Upson (3) · Herman T. Kraft (2) · Melvin Vaniman (2) · George W. Thompson (2) · August von Parseval (2)
Inventor country:
Applicant person:
None (21) · George W. Thompson (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (46)
Granted:
Publication date:
Related to aircraft: (Click arrow to add another value)
Patent agent: (Click arrow to add another value)
National tech categories:
None (10) · DK 77 (8) · USPC 244/6 (5) · USPC 244/22 (4) · USPC 244/30 (4) · USPC 244/23R (4) · USPC 244/51 (4) · USPC 244/99 (3) · USPC 244/127 (3) · USPC 244/62 (3) · USPC 244/52 (3)
CPCs:
None (16) · CPC B64C23/005 (10) · CPC B64B1/00 (10) · CPC B64B1/40 (9) · CPC B64C39/005 (6) · CPC B64C33/02 (5) · CPC B64C29/0025 (5) · CPC B64C9/00 (4) · CPC B64C33/00 (2) · CPC B64C9/38 (2) · CPC B64C11/00 (2) · CPC F04D29/384 (2) · CPC B64C2700/6295 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 104 results in range #1 to #104.

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