Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829993 | Wear resistant vibration assembly and method | William Christian Herben, Steven Samuel Mitchell, Russell Wayne Koenig, Mark Joshua Miller, Kevin J. Rudy | 2020-11-10 |
| 10774959 | Flush joint high torque thread | Robert Steven Frederick, Jr., Mark Allen Reeves | 2020-09-15 |
| 10760340 | Up drill apparatus and method | Michael V. Williams, Russell Wayne Koenig, Chaitanya P. Challa, Frank R. Vignal | 2020-09-01 |
| 10677006 | Vibration assembly and method | Steven Samuel Mitchell, Curtis E. Leitko, Jr., Russell Wayne Koenig, William Christian Herben | 2020-06-09 |
| 10648238 | Boring apparatus and method | Michael V. Williams | 2020-05-12 |
| 10408007 | Downhole extended reach tool and method | Russell Wayne Koenig, Michael V. Williams, Kevin J. Rudy | 2019-09-10 |
| 10041299 | CV joint for drilling motor and method | William Christian Herben | 2018-08-07 |
| 10017991 | Hammer drill | Michael V. Williams, Russell Wayne Koenig | 2018-07-10 |
| 10017992 | Radial ball bearing and method | William Christian Herben | 2018-07-10 |
| 10017994 | Boring apparatus and method | Michael V. Williams | 2018-07-10 |
| 9976354 | Boring apparatus and method | Michael V. Williams | 2018-05-22 |
| 9976350 | Up drill apparatus and method | Michael V. Williams, Russell Wayne Koenig, Chaitanya P. Challa, Frank R. Vignal | 2018-05-22 |
| 9488010 | Hammer drill | Michael V. Williams, William Christian Herben | 2016-11-08 |
| 9267539 | Mud motor bearing assembly and method | William Christian Herben, Daryl E. Bolejack | 2016-02-23 |
| 7882638 | Process for manufacturing a bearing | — | 2011-02-08 |
| 7882904 | Adjustable bent housing apparatus and method | William Christian Herben, Daryl E. Bolejack | 2011-02-08 |
| 7434623 | Percussion tool and method | — | 2008-10-14 |
| 7011156 | Percussion tool and method | — | 2006-03-14 |
| 6966373 | Inflatable sealing assembly and method for sealing off an inside of a flow carrier | — | 2005-11-22 |
| 6173794 | Downhole mud motor transmission | Tuong Thanh Le | 2001-01-16 |
| 6151962 | Portable tester for downhole motors | Tuong Thanh Le | 2000-11-28 |
| 6109790 | Lubricant circulation system for downhole bearing assembly | Tuong Thanh Le | 2000-08-29 |
| 5956995 | Lubricant level detection system for sealed mud motor bearing assembly | William Christian Herben, Tuong Thanh Le | 1999-09-28 |
| 5911284 | Downhole mud motor | — | 1999-06-15 |
| 5881824 | Bottomhole assembly orienting sub | William Christian Herben | 1999-03-16 |