Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480042 | Three-phase separation of hydrocarbon containing fluids | Gene Wesley Bittel, Errol Calvert, Hai Nam Lai, Melissa Lenhart, Stephen Joseph Rehm +1 more | 2022-10-25 |
| 9151139 | Method of reducing deflection through a rod piston in a subsurface safety valve | John Burris, Grant Thompson, David Z. Anderson, James T. Sloan, Doug A. Lowry +1 more | 2015-10-06 |
| 8471551 | Magnetic position monitoring system and method | Gary B. Lake, John Burris, David Z. Anderson, James T. Sloan, Tyler C. Roberts +3 more | 2013-06-25 |
| 8393386 | Subsurface safety valve and method of actuation | Gary B. Lake, John Burris, David Z. Anderson, Robert McDaniel, Charles M. Tompkins +1 more | 2013-03-12 |
| 8267167 | Subsurface safety valve and method of actuation | Gary B. Lake, David Z. Anderson, Tyler C. Roberts | 2012-09-18 |