Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11865498 | Membrane system to treat leachate and methods of treating leachate | Timothy G. Townsend, David Wood, James Lloyd | 2024-01-09 |
| 11344846 | Membrane system to treat leachate and methods of treating leachate | Timothy G. Townsend, David Wood, James Lloyd | 2022-05-31 |
| 10300436 | Membrane system to treat leachate and methods of treating leachate | Timothy G. Townsend, David Wood, James Lloyd | 2019-05-28 |
| 9540254 | Membrane system to treat leachate and methods of treating leachate | Timothy G. Townsend, David Wood, James Lloyd | 2017-01-10 |
| 6637515 | Method and apparatus for reducing plunger seal wear on automatic casing swab lift systems | David P. Gregg | 2003-10-28 |