Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10309176 | Pump down conveyance | Ronald Clemence Allmaras, Martin Leonard | 2019-06-04 |
| 6920936 | Constant force actuator | Todor Sheiretov, Carl J. Roy, Joseph F. Cordera | 2005-07-26 |
| 6629568 | Bi-directional grip mechanism for a wide range of bore sizes | Todor Sheiretov, Carl J. Roy, Joseph F. Cordera | 2003-10-07 |
| 6510899 | Time-delayed connector latch | Todor Sheiretov, Robert Ian Robson, Joseph F. Cordera | 2003-01-28 |
| 6431269 | Electrically controlled release device | Dee E. Schrinner, Peter V. Howard, Gary P. Bickford | 2002-08-13 |
| 6179055 | Conveying a tool along a non-vertical well | Alan J. Sallwasser, Carl J. Roy | 2001-01-30 |