Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8323372 | Low coefficient of thermal expansion cermet compositions | Zhigang Fang, Anthony Griffo, Dah-Ben Liang | 2012-12-04 |
| 8211203 | Matrix powder for matrix body fixed cutter bits | Xiayang Sheng, Alan W. Lockstedt | 2012-07-03 |
| 8213347 | Scalable IP-services enabled multicast forwarding with efficient resource utilization | Rajesh I. Balay, Girish Bhat, Rama Krishnan Nagarajan | 2012-07-03 |
| 8100203 | Diamond impregnated bits and method of using and manufacturing the same | Jonan Fulenchek | 2012-01-24 |
| 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 |
| 7881244 | Scalable IP-services enabled multicast forwarding with efficient resource utilization | Rajesh I. Balay, Girish Bhat, Rama Krishnan Nagarajan | 2011-02-01 |
| 7878275 | Matrix bit bodies with multiple matrix materials | Youhe Zhang, Yuelin Shen | 2011-02-01 |
| 7866419 | Diamond impregnated bits using a novel cutting structure | — | 2011-01-11 |
| 7845059 | Method of forming impregnated diamond cutting structures | Thomas W. Oldham, Anthony Griffo, Madapusi K. Keshavan, David A. Conroy | 2010-12-07 |
| 7666244 | Hardfacing milled-tooth drill bits using super dense carbide pellets | Anthony Griffo, Dah-Ben Liang, Alysia C. White | 2010-02-23 |
| 7543661 | Roller cone bits with wear and fracture resistant surface | Anthony Griffo, Mohammed Boudrare, Jiaqing Yu | 2009-06-09 |
| 7499419 | Scalable IP-services enabled multicast forwarding with efficient resource utilization | Rajesh I. Balay, Girish Bhat, Ram Nagarajan | 2009-03-03 |
| 7475743 | High-strength, high-toughness matrix bit bodies | Dah-Ben Liang, Anthony Griffo, Thomas W. Oldham | 2009-01-13 |
| 7177311 | System and method for routing traffic through a virtual router-based network switch | Zahid Hussain, Samir Jain, Naveed Alam, Joseph Cheng, Tim Millet | 2007-02-13 |
| 7048080 | Roller cone bits with wear and fracture resistant surface | Anthony Griffo, Mohammed Boudrare, Jiaqing Yu | 2006-05-23 |