Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11629792 | Backflow prevention and method of manufacture | Chris Corral, William M. Orr | 2023-04-18 |
| 11384853 | Backflow prevention and method of manufacture | Chris Corral, William M. Orr | 2022-07-12 |
| 10914391 | Backflow prevention and method of manufacture | Chris Corral, William M. Orr | 2021-02-09 |
| 8997772 | Backflow prevention and method of manufacture | Chris Corral, William M. Orr | 2015-04-07 |
| 8215328 | Dual chamber adapter | William M. Orr, Frank Kock | 2012-07-10 |
| 7905250 | Dual chamber adapter | William M. Orr, Frank Kock | 2011-03-15 |
| 7434593 | Double check valve assembly | Frank Kock, Clark Behnke, Salvador Valdivia | 2008-10-14 |
| 6581626 | Backflow prevention apparatus | William M. Orr, Timothy Hurt | 2003-06-24 |
| 6513543 | Backflow preventer valve | William M. Orr | 2003-02-04 |
| 5913331 | Check valve | Kirk Johnson, Timothy Hurt | 1999-06-22 |