RH

Ragnar A. Hermanstad

ER Energy Recovery: 1 patents #32 of 50Top 65%
📍 Brekstad, NO: #8 of 18 inventorsTop 45%
Overall (All Time): #3,506,821 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6540487 Pressure exchanger with an anti-cavitation pressure relief system in the end covers Thanos Polizos, Thomas Babcock, Leif J. Hauge 2003-04-01