DD

Douglas W. Drussel

DD Drussel Wilfley Design: 4 patents #1 of 4Top 25%
AS A.R. Wilfley & Sons: 2 patents #1 of 17Top 6%
📍 Sedalia, CO: #11 of 47 inventorsTop 25%
🗺 Colorado: #7,649 of 40,980 inventorsTop 20%
Overall (All Time): #875,138 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7140480 Centrifugal clutch and cover mount assembly therefor George Michael Wilfley 2006-11-28
7014026 Manual/automatic pressure control mechanism for centrifugal clutch George Michael Wilfley 2006-03-21
6814208 Multi-row cam-actuated centrifugal clutch George Michael Wilfley 2004-11-09
6705446 Automatic clutch with manual override control mechanism G. Michael Wilfley 2004-03-16
5667356 Acid/slurry governor seal assembly for centrifugal pumps John Whittier 1997-09-16
5580215 Centrifugal pump with electromagnetic actuator mechanism John E. Sidelko, Gary W. Deffner 1996-12-03