Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056652 | Barrier coated granules for improved hardfacing material using atomic layer deposition | Guodong Zhan | 2011-11-15 |
| 8020640 | Impregnated drill bits and methods of manufacturing the same | Jonan Fulenchek | 2011-09-20 |
| 8016056 | Asymmetric graded composites for improved drill bits | Ramamurthy Viswanadham, Dah-Ben Liang | 2011-09-13 |
| 7878275 | Matrix bit bodies with multiple matrix materials | Youhe Zhang, Yuelin Shen | 2011-02-01 |
| 7881244 | Scalable IP-services enabled multicast forwarding with efficient resource utilization | Rajesh I. Balay, Girish Bhat, Rama Krishnan Nagarajan | 2011-02-01 |
| 7866419 | Diamond impregnated bits using a novel cutting structure | — | 2011-01-11 |