Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105191 | Proppant and a viscosified fracture fluid for use in fracturing to extract oil and gas | Andrew Desbarats | 2021-08-31 |
| 9982524 | Method of using viscosified fracture fluid to improve flow of liquids and gases from a subterranean fracture | Andrew Desbarats | 2018-05-29 |
| 8349591 | Method and apparatus for producing alcohol or sugar using a commercial-scale bioreactor | Andrew Desbarats, Michael Erhart, Joe Kreutzer, Kevin Morgan | 2013-01-08 |