Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10093147 | Methods and systems for coolant system | David Karl Bidner, James C. Rollinson, Hugh Hamilton, Ravi Gopal | 2018-10-09 |
| 8839884 | Direct modular top drive with pipe handler module and methods | Beat Kuttel, Randall S. Pyrch, Faisal J. Yousef, Greg Kostiuk | 2014-09-23 |
| 8499858 | Modular top drive lubrication system and methods | Beat Kuttel, Randall S. Pyrch, Faisal J. Yousef, Greg Kostiuk | 2013-08-06 |
| 8151909 | Modular top drive lubrication system and methods | Beat Kuttel, Randall S. Pyrch, Faisal J. Yousef, Greg Kostiuk | 2012-04-10 |
| 7828085 | Modular top drive | Beat Kuttel, Randall S. Pyrch, Faisal J. Yousef, Greg Kostiuk | 2010-11-09 |