Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11971111 | Relieving pressure in critical and sub-critical flow regimes in backpressure conditions | Richard John Klimas, JR. | 2024-04-30 |
| 11959557 | Preventing damage to valves due to cold weather | Richard John Klimas, JR., Jason Glen Knudson | 2024-04-16 |
| D987032 | Pilot-operated safety relief valve nozzle | Richard John Klimas, JR., Orie Woodman Van Doran, Vigneshwar Shaliwan Wali | 2023-05-23 |
| 11306838 | Pilot-operated pressure relief valve nozzle | Richard John Klimas, JR., Orie Woodman Van Doran, Vigneshwar Shaliwan Wali | 2022-04-19 |
| 10641668 | Measuring deformation of a compression spring to monitor performance of a safety valve | Roger Dale Danzy | 2020-05-05 |
| 10480696 | Locking collar quick union connection | Douglas B. Leeth, Roger Suter, Joseph David Gober | 2019-11-19 |
| 9273788 | Pressure relief valve | — | 2016-03-01 |
| 8505572 | Pressure relief valve | — | 2013-08-13 |