Drilldown: Patents

Jump to navigation Jump to search
Patents > Year granted: 1890 - 1899 & Tech fields : Airship or propulsion & Number of text pages: 1-2

Use the filters below to narrow your results.

Office:
Inventors:
Richard Czygan (3) · None (2) · Stewart Cairncross (2) · Oscar Roeper (2) · Georg Wellner (2)
Inventor country:
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
National tech categories:
DE 77 (23) · None (6) · HU V/h (3) · USPC 244/26 (2) · USPC 180/220 (2) · USPC 244/30 (2) · GB 4 propel & steer (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 54 results in range #1 to #54.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)