Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695647 | Downhole tool retainer and guide ring | Ross Bassinger, William W. King | 2017-07-04 |
| 9291006 | Downhole tool retainer and guide ring and methods of fabricating the same | Ross Bassinger, William W. King | 2016-03-22 |
| 7377338 | Downhole percussion tool | — | 2008-05-27 |
| 6167959 | Adjustable stuffing boxes for pump rods | Joseph Dalton | 2001-01-02 |
| 6000469 | Self aligning stuffing box and guide bushing assembly | — | 1999-12-14 |
| 5803169 | Rotary stuffing box and seal assembly | Joseph Dalton | 1998-09-08 |
| 5636688 | Self aligning stuffing box for pumpjack units | — | 1997-06-10 |
| 5538080 | Self aligning stuffing box for pumpjack units | — | 1996-07-23 |
| 5343944 | Self aligning stuffing box for pumpjack units | — | 1994-09-06 |
| 4844181 | Floating sub | — | 1989-07-04 |
| 4398610 | Roller reamer apparatus | — | 1983-08-16 |
| 4303138 | Earth drilling lubricated hydraulic shock absorber and method | — | 1981-12-01 |
| 4227586 | Roller reamer apparatus | — | 1980-10-14 |