Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11760924 | Proppant with enhanced interparticle bonding | Spyridon Monastiriotis, Robert Ray McDaniel, Avis Lloyd McCrary | 2023-09-19 |
| 11098242 | Proppant with enhanced interparticle bonding | Spyridon Monastiriotis, Robert Ray McDaniel, Avis Lloyd McCrary | 2021-08-24 |
| 10544358 | Coated and cured proppants | Robert Ray McDaniel, Avis Lloyd McCrary, Spyridon Monastiriotis | 2020-01-28 |
| 10208242 | Proppant with polyurea-type coating | Avis Lloyd McCrary, Robert Ray McDaniel, Spyridon Monastiriotis | 2019-02-19 |
| 10100247 | Proppant with enhanced interparticle bonding | Spyridon Monastiriotis, Robert Ray McDaniel, Avis Lloyd McCrary | 2018-10-16 |
| 9725645 | Proppant with composite coating | Spyridon Monastiriotis, Avis Lloyd McCrary, Robert Ray McDaniel | 2017-08-08 |
| 9518214 | Proppant with polyurea-type coating | Avis Lloyd McCrary, Robert Ray McDaniel, Spyridon Monastiriotis | 2016-12-13 |
| 9290690 | Coated and cured proppants | Robert Ray McDaniel, Avis Lloyd McCrary, Spyridon Monastiriotis | 2016-03-22 |