Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11230478 | Method for treating produced water | John A. Korpiel, Brad Biagini | 2022-01-25 |
| 10843946 | Process for removing silica from produced water and other wastewater streams | John A. Korpiel | 2020-11-24 |
| 10723643 | Method of recovering oil or gas and treating the resulting produced water | John A. Korpiel | 2020-07-28 |
| 10023487 | Method of recovering oil or gas and treating the resulting produced water | John A. Korpiel | 2018-07-17 |
| 9067801 | Method for treating wastewater or produced water | — | 2015-06-30 |
| 7815804 | Method for treating wastewater or produced water | — | 2010-10-19 |
| 7438817 | System and method for treatment of acidic wastewater | Robert P. Helwick | 2008-10-21 |