Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7370667 | Flow through pressure regulator with pinch valve | George L. Sesser, Craig B. Nelson, Cliff Ungerecht | 2008-05-13 |
| 7168444 | Flow through pressure regulator with pinch valve | George L. Sesser, Craig B. Nelson, Cliff Ungerecht | 2007-01-30 |
| 7140595 | Pressure regulator with single strut regulator seat | Cliff Ungerecht, Barton R. Nelson | 2006-11-28 |
| 7048001 | Pressure regulator with single strut regulator seat | Cliff Ungerecht, Barton R. Nelson | 2006-05-23 |