Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10266755 | Ceramic particles formed from perforated membranes | Joachim Roettle | 2019-04-23 |
| 10196558 | Particle coating process and compositions for ceramic proppant extrusion | — | 2019-02-05 |
| 9358548 | Milling particles in drilling fluid | Sergio Alegre Fernandez-Caro, Philip David Burton, Gary Woolsey | 2016-06-07 |