PD

Per Duus

CS Chicago Bridge & Iron Technical Services: 1 patents #20 of 60Top 35%
Overall (All Time): #3,872,583 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5001906 High pressure heat exchanger for cooling high fouling liquids Gerald E. Engdahl 1991-03-26