Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7849920 | System and method for optimizing production in a well | Dhandayuthapani Kannan, Lang Zhan, James G. Filas | 2010-12-14 |
| 7267177 | Tubing fill and testing valve | Dinesh R. Patel | 2007-09-11 |
| 7063156 | Tubing fill and testing valve | Dinesh R. Patel | 2006-06-20 |
| 6959762 | Method and apparatus for formation damage removal | — | 2005-11-01 |
| 6722438 | Method and apparatus for formation damage removal | — | 2004-04-20 |
| 6527050 | Method and apparatus for formation damage removal | — | 2003-03-04 |
| 5638904 | Safeguarded method and apparatus for fluid communiction using coiled tubing, with application to drill stem testing | John Misselbrook | 1997-06-17 |
| 4995462 | Dewaxing control apparatus for oil well | Marcel Obrejanu, Allen Grimshaw | 1991-02-26 |
| 4898236 | Drill stem testing system | — | 1990-02-06 |