Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871163 | Pumping system and method having an independent controller | Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +6 more | 2020-12-22 |
| 10240606 | Pumping system with two way communication | Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +6 more | 2019-03-26 |
| 9605680 | Control algorithm of variable speed pumping system | Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Everett Cox, Donald Steen +10 more | 2017-03-28 |
| 8019479 | Control algorithm of variable speed pumping system | Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Everett Cox +10 more | 2011-09-13 |
| 7854597 | Pumping system with two way communication | Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +6 more | 2010-12-21 |