Patents per Year
Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9157561 | Wet connection system, downhole system using wet connection system, and method thereof | Carl S. Martin, Michael WERRIES | 2015-10-13 | $14,520,000 |
| 8016295 | Helical backup element | Randall V. Guest, Justin P. Vinson, Dennis E. Kroll | 2011-09-13 | $19,118,000 |
| 7921921 | Downhole backup system and method | David S. Bishop | 2011-04-12 | $24,475,000 |
| 7861778 | Pressure orienting swivel arrangement and method | Jeffery D. Kitzman, Wesley Charles Byrne, Justin P. Vinson | 2011-01-04 | $16,405,000 |
| 7806177 | Retractable downhole backup assembly for circumferential seal support | David S. Bishop, Dennis E. Kroll | 2010-10-05 | $12,403,000 |