Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8839884 | Direct modular top drive with pipe handler module and methods | Beat Kuttel, Faisal J. Yousef, Alan S. Richardson, Greg Kostiuk | 2014-09-23 |
| 8499858 | Modular top drive lubrication system and methods | Beat Kuttel, Faisal J. Yousef, Alan S. Richardson, Greg Kostiuk | 2013-08-06 |
| 8151909 | Modular top drive lubrication system and methods | Beat Kuttel, Faisal J. Yousef, Alan S. Richardson, Greg Kostiuk | 2012-04-10 |
| 7828085 | Modular top drive | Beat Kuttel, Faisal J. Yousef, Alan S. Richardson, Greg Kostiuk | 2010-11-09 |