Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173566 | Oscillation reduction tool and method | Gunther HH von Gynz-Rekowski, Steven Samuel Mitchell | 2024-12-24 |
| 11008809 | Bent housing drilling motor with counter-rotating lower end | Gunther HH von Gynz-Rekowski, Mark Allen Reeves, Donald M. Sawyer, Roger Fincher | 2021-05-18 |
| 10851589 | Integrated bearing section and method | Gunther HH von Gynz-Rekowski, Mark Allen Reeves | 2020-12-01 |
| 10844662 | Mud-lubricated bearing assembly with lower seal | Gunther HH von Gynz-Rekowski, Noah Elaia Crawford Daoust | 2020-11-24 |
| 10829993 | Wear resistant vibration assembly and method | Gunther HH von Gynz-Rekowski, Steven Samuel Mitchell, Russell Wayne Koenig, Mark Joshua Miller, Kevin J. Rudy | 2020-11-10 |
| 10677006 | Vibration assembly and method | Gunther HH von Gynz-Rekowski, Steven Samuel Mitchell, Curtis E. Leitko, Jr., Russell Wayne Koenig | 2020-06-09 |
| 10041299 | CV joint for drilling motor and method | Gunther HH von Gynz-Rekowski | 2018-08-07 |
| 10017992 | Radial ball bearing and method | Gunther HH von Gynz-Rekowski | 2018-07-10 |
| 9488010 | Hammer drill | Gunther HH von Gynz-Rekowski, Michael V. Williams | 2016-11-08 |
| 9267539 | Mud motor bearing assembly and method | Gunther HH von Gynz-Rekowski, Daryl E. Bolejack | 2016-02-23 |
| 7882904 | Adjustable bent housing apparatus and method | Gunther HH von Gynz-Rekowski, Daryl E. Bolejack | 2011-02-08 |
| 7195084 | Systems and methods for storing and handling drill cuttings | George Alexander Burnett, Colin Crabb, David Wood, Kenneth W. Seyffert, James Michael McIntosh | 2007-03-27 |
| 6991046 | Expandable eccentric reamer and method of use in drilling | Coy M. Fielder, Gary Wells, Rogerio H. Silva | 2006-01-31 |
| 6988567 | Drilled cuttings movement systems and methods | George Alexander Burnett, David Wood, Kenneth W. Seyffert, James Michael McIntosh | 2006-01-24 |
| 6936092 | Positive pressure drilled cuttings movement systems and methods | Kenneth W. Seyffert, James Michael McIntosh | 2005-08-30 |
| 5956995 | Lubricant level detection system for sealed mud motor bearing assembly | Tuong Thanh Le, Gunther HH von Gynz-Rekowski | 1999-09-28 |
| 5881824 | Bottomhole assembly orienting sub | Gunther HH von Gynz-Rekowski | 1999-03-16 |
| 5810088 | Electrically actuated disconnect apparatus and method | Brad J. Lamirand | 1998-09-22 |
| 5277055 | Impact and impact-rotary tool testing apparatus using rotary speed and impact energy | Gerard T. Pittard, William J. McDonald, Terry P. Clifton | 1994-01-11 |
| 4858704 | Guided earth boring tool | William J. McDonald, Gerard T. Pittard, William C. Maurer, Michael R. Wasson | 1989-08-22 |
| 4694913 | Guided earth boring tool | William J. McDonald, Gerard T. Pittard, William C. Maurer, Michael R. Wasson | 1987-09-22 |