Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9322242 | Ball valve assembly | Sivakumar Natarajan, Vikram Tutpet Keshavamurthy, Thirupathi Dommati | 2016-04-26 |
| 8925894 | Ball valve enclosure and drive mechanism | Sivakumar Natarajan, Thirupathi Dommati | 2015-01-06 |
| 7743832 | Method of running a tubing hanger and internal tree cap simultaneously | Gary A. Shaw, Kevin G. Buckle | 2010-06-29 |
| 6932636 | Electrical penetrator connector | Stephen Abbey, Rolf August Heinrich Ruesse | 2005-08-23 |