Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061419 | Casing head slip lock connection for high temperature service | Abram Khazanovich | 2011-11-22 |
| 7918271 | Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device | Abram Khazanovich, Nathan Kwasniewski | 2011-04-05 |
| 7552762 | Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device | Abram Khazanovich, Nathan Kwasniewski | 2009-06-30 |
| 7410002 | Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device | Abram Khazanovich, Nathan Kwasniewski | 2008-08-12 |
| 6595278 | Assembly for locking a polished rod in a pumping wellhead | Tony Lam, Abram Khazanovich | 2003-07-22 |