Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10146285 | Method for extending hold time of power supply units | Jen-Hsuen Huang, Fa-Da Lin | 2018-12-04 |
| 8812281 | Methods for designing secondary cutting structures for a bottom hole assembly | Gordon Ray Whipple, Sujian Huang, Navish Makkar, Tommy Laird, Gail Nelson | 2014-08-19 |
| 8401831 | Methods for designing secondary cutting structures for a bottom hole assembly | Gordon Ray Whipple, Sujian Huang, Navish Makkar, Tommy Laird, Gail Nelson | 2013-03-19 |
| 7954564 | Placement of cutting elements on secondary cutting structures of drilling tool assemblies | Navish Makkar, Gordon Ray Whipple, Tommy Laird, Gail Nelson | 2011-06-07 |