Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545737 | Method for pumping a liquid from a well and apparatus for use therein | — | 1985-10-08 |
| 4526048 | Method for pumping a liquid from a well and apparatus for use | — | 1985-07-02 |
| 4501119 | Pump jack | — | 1985-02-26 |
| 4483662 | Method for pumping a liquid from a well and apparatus for use therein | — | 1984-11-20 |
| 4461187 | Pump jack | — | 1984-07-24 |
| 4456060 | Method for pumping a liquid from a well and apparatus for use therein | — | 1984-06-26 |
| 4406597 | Method for pumping a liquid from a well and apparatus for use therein | — | 1983-09-27 |
| 4403919 | Apparatus and method for pumping a liquid from a well | Patrick A. McFadden | 1983-09-13 |
| 4346620 | Shock absorbing means for a rocker arm type oil well pump | — | 1982-08-31 |