Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181570 | Liner hanger assembly | James W. Agnew | 1993-01-26 |
| 5074362 | Finger nut setting tool and liner hanger assembly | — | 1991-12-24 |
| 5048606 | Setting tool for a liner hanger assembly | — | 1991-09-17 |
| 4862966 | Liner hanger with collapsible ball valve seat | Hiram E. Lindsey, Jr., Richard Adams | 1989-09-05 |
| 4848462 | Rotatable liner hanger | — | 1989-07-18 |
| 4828037 | Liner hanger with retrievable ball valve seat | Hiram E. Lindsey, Jr., Richard Adams | 1989-05-09 |
| 4712614 | Liner hanger assembly with combination setting tool | Mark P. Budke | 1987-12-15 |
| 4681159 | Setting tool for a well tool | Mark P. Budke | 1987-07-21 |
| 4601343 | PBR with latching system for tubing | Hiram E. Lindsey, Jr., John M. Yokley | 1986-07-22 |
| 4482014 | Barrier tool for polished bore receptacle | — | 1984-11-13 |