Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12089781 | Removable food infuser for a grill assembly | — | 2024-09-17 |
| 12018776 | Threaded connection | Maximo Tejeda, Dimitris Katsareas, Edgar Alejandro Zuniga | 2024-06-25 |
| 11365605 | Locking backpressure valve | Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson, Scott Bigrigg | 2022-06-21 |
| 11359460 | Locking backpressure valve | Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson, Scott Bigrigg | 2022-06-14 |
| 11230906 | Locking backpressure valve | Erik Van Steveninck, Steve Wilson | 2022-01-25 |
| 11215031 | Locking backpressure valve with shiftable valve sleeve | Erik Van Steveninck, Steve Wilson | 2022-01-04 |
| 11215026 | Locking backpressure valve | Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson, Scott Bigrigg | 2022-01-04 |
| 11215028 | Locking backpressure valve | Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson, Scott Bigrigg | 2022-01-04 |
| 11215030 | Locking backpressure valve with shiftable valve seat | Erik Van Steveninck, Steve Wilson | 2022-01-04 |
| 11041350 | Mud motor stall protector | — | 2021-06-22 |
| 10655404 | Carrier for connecting a tool to a tubular member | — | 2020-05-19 |
| 10480248 | Whipstock valve with nozzle bypass feature | Dylan Bulloch, Gregory L. Hern, Jason L. Cullum | 2019-11-19 |
| 9926745 | Whipstock valve with nozzle bypass feature | Dylan Bulloch, Gregory L. Hern, Jason L. Cullum | 2018-03-27 |
| 9581013 | Apparatus and method for determining orientation of a device and mill position in a wellbore utilizing identification tags | — | 2017-02-28 |
| 9169697 | Identification emitters for determining mill life of a downhole tool and methods of using same | — | 2015-10-27 |
| 8919452 | Casing spears and related systems and methods | Dennis E. Kroll, Gregory L. Hern | 2014-12-30 |
| 8353349 | Retaining and isolating mechanisms for magnets in a magnetic cleaning tool | Gregory L. Hern, Jonathan F. Nelson | 2013-01-15 |
| 8336626 | Downhole magnetic retrieval devices with fixed magnetic arrays | Gregory L. Hern, Paul L. Connell, Jonathan F. Nelson | 2012-12-25 |
| 7926566 | Method of making a downhole cutting tool, using a single piece tubular with a radially displaceable portion | — | 2011-04-19 |
| 7870894 | Downhole cutting tool, using a single piece tubular with a radially displaceable portion | — | 2011-01-18 |
| 7861775 | Casing patch | Gerald D. Lynde | 2011-01-04 |
| 7708063 | Centralizer tool, a centralizing method and a method of making a centralizer tool | — | 2010-05-04 |
| 7661478 | Ball drop circulation valve | John M. Sprott | 2010-02-16 |
| 7635021 | Downhole cutting tool using a single piece tubular with a radially displaceable portion | — | 2009-12-22 |
| 7562703 | Annular flow shifting device | Gregory L. Hern, Steve Rosenblatt | 2009-07-21 |