Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458198 | Test dart system and method | Detrick Garner, Eugene Borak, Jason R. Armistead, Samuel Cheng, John Warner +1 more | 2019-10-29 |
| 9291023 | Stem head adapter with pistons | Mark McGilvray, Jr., Gajanan Hegde, Keith Adams | 2016-03-22 |
| 8690121 | Differential screw assembly for varying torque for valve | Mahesha Udipi, Raymond Krolczyk | 2014-04-08 |
| 8297366 | Installable load shoulder for a wellhead | Heinrich Lang | 2012-10-30 |