DE

Douglas R. Ervin

SI Solar Turbines Incorporated: 6 patents #31 of 536Top 6%
📍 Metamora, IL: #42 of 208 inventorsTop 25%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #878,093 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 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
6668446 Recuperator duct assembly line Charles W. Bucey, Steven W. Clayton, Robert M. Jones, Chad Miars 2003-12-30
6615471 Method of locating the blade holders in a fin folding machine Gary D. Cape 2003-09-09
5694803 Fin folding machine for corrugating sheet material Clifford G. Knepper, Thomas J. Quinn 1997-12-09
5333482 Method and apparatus for flattening portions of a corrugated plate Donald L. Dunlap 1994-08-02