Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7918271 | Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device | Abram Khazanovich, Irina Khazanovich | 2011-04-05 |
| 7552762 | Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device | Abram Khazanovich, Irina Khazanovich | 2009-06-30 |
| 7410002 | Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device | Abram Khazanovich, Irina Khazanovich | 2008-08-12 |
| 7069987 | Casing adapter tool for well servicing | Keith David Farquharson, Bob McGuire, John Henry Whelan | 2006-07-04 |