| 10527042 |
Speed control |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +4 more |
2020-01-07 |
| 10502203 |
Speed control |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +4 more |
2019-12-10 |
| 10240604 |
Pumping system with housing and user interface |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +4 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 |
| 9429151 |
Variable frequency drive heat sink assembly |
Michael F. Taras, KeonWoo Lee, Mark J. Perkovich, Suresh Duraisamy, XuQiang Liao +1 more |
2016-08-30 |
| 9051930 |
Speed control |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +4 more |
2015-06-09 |
| 8465262 |
Speed control |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +4 more |
2013-06-18 |
| 8043070 |
Speed control |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby +4 more |
2011-10-25 |
| 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 |
| D618182 |
Pump control pad |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Gert Kjaer |
2010-06-22 |
| D611430 |
Pump control pad |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Gert Kjaer |
2010-03-09 |
| D606562 |
Water pump |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, John Gary Bullock +1 more |
2009-12-22 |
| D568340 |
Water pump |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, John Gary Bulluck +1 more |
2008-05-06 |
| D567189 |
Pump control pad |
Robert W. Stiles, Jr., Lars Hoffmann Berthelsen, Gert Kjaer |
2008-04-22 |