Drilldown: Patents

Jump to navigation Jump to search
Patents > Year granted: 1920 - 1929 & Tech fields : Airplane or hybrid or propeller or subsystem & Grant date: 1921

Use the filters below to narrow your results.

Year granted:
(There are no values for this filter)
Office:
Inventors:
None (11) · Gabriel Voisin (5) · Robert-Jules-Marie-Antoine Desmons (3) · Louis Blériot (2) · Pierre-Jean-René Postel-Vinay (2)
Inventor country:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Related to aircraft:
CPCs:
CPC B64C3/00 (9) · None (7) · CPC B64C35/00 (5) · CPC B64C23/005 (5) · CPC B64C2700/6233 (4) · CPC B64C17/00 (3) · CPC B64C2700/6274 (2) · CPC B64C13/00 (2) · CPC B64C11/00 (2) · CPC B64C1/064 (2) · CPC B64F2700/6261 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 64 results in range #1 to #64.

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


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