Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012582 | Sintered proppant made with a raw material containing alkaline earth equivalent | Hongyu Luo, Lewis R. Norman, Mark Parker, Ronald J. Powell, Rajesh Kumar Saini | 2011-09-06 |
| 7878245 | Cement compositions comprising a high-density particulate elastomer and associated methods | Krishna M. Ravi, Joseph K. Maxson | 2011-02-01 |
| 7866393 | Swellable elastomers and associated methods | Anthony M. Badalamenti, John Podowski, Krishna M. Ravi, Gary Thomas Keene | 2011-01-11 |