Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410078 | Ceramic particles with controlled pore and/or microsphere placement and/or size and method of making same | Yuming Xie, Christopher E. Coker, Dilip K. Chatterjee | 2016-08-09 |
| 9290847 | Al2O3 or Al2O3-contained multilayer coatings for silicon nitride cutting tools by physical vapor deposition and methods of making the same | Ying Long, Qimin WANG, Chengyong WANG | 2016-03-22 |
| 9273243 | Light weight proppant with improved strength and methods of making same | Dilip K. Chatterjee, Jody Pham, Yuming Xie, Christopher E. Coker | 2016-03-01 |
| 9227874 | Extrusion process for proppant production | Dilip K. Chatterjee, Yuming Xie, Christopher E. Coker, Robert D. Skala | 2016-01-05 |