DE

Doug R. Ervin

SI Solar Turbines Incorporated: 4 patents #57 of 536Top 15%
📍 Morton, IL: #68 of 245 inventorsTop 30%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,277,837 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6308409 Recuperator cell assembly system Charles W. Bucey, Bruce D. Harkins, Michael Nowak, Tod A. Papai 2001-10-30
6158121 Method and apparatus for making a recuperator cell Tom L. Grigsby, Robert A. Prochnow 2000-12-12
6112403 Method and apparatus for making a recuperator cell Tom L. Grigsby, Robert A. Prochnow 2000-09-05
5918368 Method for making a recuperator cell Tom L. Grigsby, Robert A. Prochnow 1999-07-06