Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501683 | Proppant | Alexander Gershanovich | 2019-12-10 |
| 10370586 | Proppant | Shawn Fitzgerald, Timothy D. Klots | 2019-08-06 |
| 9944845 | Proppant | Yeonsuk Roh, Rajesh Kumar | 2018-04-17 |
| 9938454 | Resin-coated proppant and methods of use | Rajesh Kumar | 2018-04-10 |
| 9719011 | Proppant | John P. Erickson, Victoria Manea, Jyh-Chiarng Huarng, Rajesh Kumar, Fikri Emrah Alemdaroglu | 2017-08-01 |
| 9718254 | Moisture-resistant gypsum boards and slurries for making same | Rajesh Kumar, Sridhar G. Iyer, Daniel Niedzwiecki | 2017-08-01 |
| 9714378 | Proppant | Rajesh Kumar, Michael T. Yang | 2017-07-25 |
| 8784680 | Bioresin composition for use in forming a rigid polyurethane foam article | Patrick J. Watters, John P. Erickson, Eric W. Banks | 2014-07-22 |
| 8770294 | Proppant having a polyamide imide coating | Rajesh Kumar | 2014-07-08 |
| 8476329 | Bioresin composition for use in forming a rigid polyurethane foam article | Patrick J. Watters, John P. Erickson, Eric W. Banks | 2013-07-02 |