Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7086470 | System and method for wellbore clearing | Monty H. Rial, Joseph A. Zupanick | 2006-08-08 |
| 7007758 | Cavity positioning tool and method | Joseph A. Zupanick | 2006-03-07 |
| 6988548 | Method and system for removing fluid from a subterranean zone using an enlarged cavity | Joseph A. Zupanick | 2006-01-24 |
| 6851479 | Cavity positioning tool and method | Joseph A. Zupanick | 2005-02-08 |
| 6722452 | Pantograph underreamer | Monty H. Rial, Joseph A. Zupanick, Harold E. Payne | 2004-04-20 |
| 6644422 | Pantograph underreamer | Monty H. Rial, Harold E. Payne | 2003-11-11 |
| 6595301 | Single-blade underreamer | Joseph A. Zupanick, Harold E. Payne | 2003-07-22 |
| 6595302 | Multi-blade underreamer | Harold E. Payne | 2003-07-22 |
| 6591922 | Pantograph underreamer and method for forming a well bore cavity | Monty H. Rial, Harold E. Payne | 2003-07-15 |
| 6575255 | Pantograph underreamer | Monty H. Rial, Harold E. Payne | 2003-06-10 |
| 5692220 | Decision support system and method for diagnosis consultation in laboratory hematopathology | Doyen T. Nguyen | 1997-11-25 |