Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398600 | Dual tubing locating adaptor for a tubing string | Kjell Revheim, Mikhail Gotlib | 2025-08-26 |
| 12305466 | Liner hanger system and method with non-pressure sensitive actuation | Juan Moreno, Mikhail Gotlib, George Telfer, Stephen Lewis | 2025-05-20 |
| 12044098 | Stage cementing collar with cup tool | Mikhail Gotlib | 2024-07-23 |
| 9771758 | System and methodology for mechanically releasing a running string | — | 2017-09-26 |
| 9394753 | System and methodology for locating a deflector | — | 2016-07-19 |
| 9181778 | Multiple ball-ball seat for hydraulic fracturing with reduced pumping pressure | John C. Wolf | 2015-11-10 |
| 8115127 | Extended drive plate deliberate action rotary handle | Huy Nguyen, Sheenfar S. Fong, Mark Blankemeyer | 2012-02-14 |
| 7560654 | Extended drive plate rotary handle | Mark Blankemeyer, Sheenfar S. Fong, Huy Nguyen | 2009-07-14 |
| 6668938 | Cup packer | Randolph J. Sheffield, David Milton Eslinger, Mark Callister Oettli | 2003-12-30 |