Drilldown: Patents

Jump to navigation Jump to search
Patents > Year granted: 1920 - 1929 & Tech fields : propeller or propulsion

Use the filters below to narrow your results.

Year granted:
Office:
Inventors:
None (14) · Jakob Haw (6) · Christian Lorenzen (5) · John Edward Thompson (3) · Émile-Louis Letord (3) · Albert Francis Zahm (2) · Maurice-Achille Lécuyer (2) · François-Victor Denhaut (2) · Louis Béchereau (2) · Reinhard Mannesmann (2) · Arthur R. Lyons (2)
Inventor country:
Applicant person:
None (29) · John Edward Thompson (3) · Jakob Haw (3) · Émile-Louis Letord (3) · Christian Lorenzen (2) · Maurice-Achille Lécuyer (2) · François-Victor Denhaut (2) · Arthur R. Lyons (2) · Louis Béchereau (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
CPCs:
None (19) · CPC B64C11/04 (7) · CPC B64C23/005 (5) · CPC B64C11/00 (4) · CPC B64C11/20 (4) · CPC B64C11/36 (3) · CPC B64C2700/6274 (3) · CPC B64D7/02 (2) · CPC B64D27/00 (2) · CPC B64D27/04 (2) · CPC B64C11/205 (2) · CPC B64C11/22 (2) · CPC F05B2260/72 (2) · CPC F05B2240/211 (2) · CPC F03D3/067 (2) · CPC B63H1/26 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

Showing below up to 88 results in range #1 to #88.

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

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