Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8579610 | High compression downhole pump | John L. Perkins, Benny J. Williams | 2013-11-12 |
| 5982261 | Tube magnet assembly with end-rolled capture technique | — | 1999-11-09 |
| 5845950 | Pneumatically actuated magnetic article holder | Gerald Thick, Gary R. Blaske | 1998-12-08 |
| 5740919 | Magnetic separator | — | 1998-04-21 |
| 5630634 | Device for magnetically engaging objects having variable surface contours | Claire Martin | 1997-05-20 |
| 5318095 | Die cast magnet assembly and method of manufacture | — | 1994-06-07 |
| 5188239 | Tramp metal separation device | — | 1993-02-23 |
| 4333825 | Dump pit magnet assembly | Donald J. Wyland | 1982-06-08 |
| 4319989 | Magnetic separator | Donald J. Wyland | 1982-03-16 |