Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864588 | Ball valve retainer with soldering paste seal and method | Kevin Gerome Porterfield, Rudy Ray Stewart | 2020-12-15 |
| 10323394 | Dual check backflow preventer | Raymond E. Cellemme | 2019-06-18 |
| 9725888 | Dual check backflow preventer | Raymond E. Cellemme | 2017-08-08 |
| 9581354 | Relief valve | Gregory Dean Goodson | 2017-02-28 |
| 9518669 | Dual check backflow preventer | Raymond E. Cellemme | 2016-12-13 |
| 5373868 | Ball valve with modular check valve assembly and access port | — | 1994-12-20 |