Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10590525 | Modified surface properties of percussion tools used in downhole drilling | Anthony Plana, Ted James Breckenfeld | 2020-03-17 |
| 10538970 | Method for drilling out a plug using a hybrid rotary cone drill bit | Kyle Nobile, Matthew Charles Stroever, Karl W. Rose | 2020-01-21 |
| 9951409 | Modified surface properties of percussion tools used in downhole drilling | Anthony Plana, Ted James Breckenfeld | 2018-04-24 |
| 9488007 | Wear resistant plates on a leading transitional surface of the leg for a rotary cone drill bit | Amnach Kongamnach, Cesar A. Fierro | 2016-11-08 |
| 9415496 | Double wall flow tube for percussion tool | Anthony Plana | 2016-08-16 |
| 9404342 | Top mounted choke for percussion tool | Anthony Plana | 2016-08-02 |
| 9376866 | Hybrid rotary cone drill bit | Kyle Nobile, Matt Stroever, Karl W. Rose | 2016-06-28 |
| 9260922 | Roller cone drill bit with cuttings evacuator | Amnach Kongamnach | 2016-02-16 |
| 8534389 | Method and apparatus for reducing lubricant pressure pulsation within a rotary cone rock bit | Thomas Gallifet | 2013-09-17 |
| 8403079 | Rock bit having a seal gland with a conical sealing surface | Thomas Gallifet | 2013-03-26 |
| 8393418 | Rock bit having a seal gland with a conical sealing surface | Thomas Gallifet | 2013-03-12 |