DW

Douglas H. Warren

CE Combustion Engineering: 2 patents #141 of 732Top 20%
CO Conoco: 1 patents #310 of 638Top 50%
Overall (All Time): #1,662,432 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5147149 Tension leg dewatering apparatus and method Steven M. Craig, Lee M. Sandora, Robert Rolph Masecar, Norman W. Hein, Jr., Andrew Hunter 1992-09-15
4801423 Radiation shielding door assembly John C. Matthews, Jay M. Baldwin, Charles M. Ashman, James W. Finlayson 1989-01-31
4505874 Vessel inspection boom Timothy H. Wentzell 1985-03-19