Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8779709 | Apparatus for continued operation of an electric motor during an interruption in input power | Rick L. Tennessen, Harry W. Schulz, William S. Hammel, James J. Sewell | 2014-07-15 |
| 8384318 | Induction motor torque control in a pumping system | Thomas L. Beck, Michael Dry, Mark E. Garlow, Michael A. MacDonald, Ronald G. Peterson | 2013-02-26 |
| 8080950 | Induction motor torque control in a pumping system | Thomas L. Beck, Michael Dry, Mark E. Garlow, Michael A. MacDonald, Ronald G. Peterson | 2011-12-20 |