Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9719011 | Proppant | Christopher M. Tanguay, John P. Erickson, Victoria Manea, Jyh-Chiarng Huarng, Rajesh Kumar | 2017-08-01 |
| 8617346 | Process for coating, adhesive bonding and binding of mineral surfaces | Christian Hagen, Marcus Leberfinger | 2013-12-31 |