Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9284788 | Diamond impregnated bits and method of using and manufacturing the same | Gregory T. Lockwood | 2016-03-15 |
| 9187962 | Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) | Yuri Burhan, Jiaqing Yu, Youhe Zhang, Yuelin Shen | 2015-11-17 |
| 9103170 | Impregnated drill bit | Bala Durairajan, Gregory T. Lockwood | 2015-08-11 |
| 8590645 | Impregnated drill bits and methods of manufacturing the same | Gregory T. Lockwood | 2013-11-26 |
| 8100203 | Diamond impregnated bits and method of using and manufacturing the same | Gregory T. Lockwood | 2012-01-24 |
| 8020640 | Impregnated drill bits and methods of manufacturing the same | Gregory T. Lockwood | 2011-09-20 |