Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584561 | Dirty fluid pressure regulator and control valve | Preston Weintraub | 2020-03-10 |
| 10364893 | Key seal and valve | Preston Weintraub | 2019-07-30 |
| 9982511 | Dirty fluid pressure regulator and control valve | Preston Weintraub | 2018-05-29 |
| 9423031 | Key seal and valve | Preston Weintraub | 2016-08-23 |