DE

Douglas R. Ervin

SI Solar Turbines Incorporated: 2 patents #3 of 12Top 25%
📍 Metamora, IL: #4 of 16 inventorsTop 25%
🗺 Illinois: #564 of 5,663 inventorsTop 10%
Overall (2004): #67,090 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6687979 System for manufacturing a circular primary surface recuperator Charles W. Bucey, Robert M. Jones, Steven W. Clayton, Chad Miars 2004-02-10
6684502 Method and apparatus for aligning a circular recuperator core Leonard Holman, Robert M. Jones 2004-02-03