| 9551344 |
Anti-entrapment and anti-dead head function |
Lars Hoffmann Berthelsen, Peter Westermann-Rasmussen, Gert Kjaer, Florin Lungeanu |
2017-01-24 |
| 9404500 |
Control algorithm of variable speed pumping system |
Ronald B. Robol, Lars Hoffmann Berthelsen, Nils-Ole Harvest, Everett Cox, Donald Steen +4 more |
2016-08-02 |
| 9051930 |
Speed control |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby, Kevin Murphy +4 more |
2015-06-09 |
| 8840376 |
Pumping system with power optimization |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Einar Kjartan Runarsson |
2014-09-23 |
| 8801389 |
Flow control |
Lars Hoffmann Berthelsen, Peter Westermann-Rasmussen, Gert Kjaer, Florin Lungeanu |
2014-08-12 |
| 8602743 |
Method of operating a safety vacuum release system |
Lars Hoffmann Berthelsen |
2013-12-10 |
| 8602745 |
Anti-entrapment and anti-dead head function |
Lars Hoffmann Berthelsen, Peter Westermann-Rasmussen, Gert Kjaer, Florin Lungeanu |
2013-12-10 |
| 8573952 |
Priming protection |
Lars Hoffmann Berthelsen, Gert Kjaer, Florin Lungeanu |
2013-11-05 |
| 8500413 |
Pumping system with power optimization |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Einar Kjartan Runarsson |
2013-08-06 |
| 8480373 |
Filter loading |
Lars Hoffmann Berthelsen, Ronald B. Robol, Gert Kjaer, Einar Kjartan Runarsson |
2013-07-09 |
| 8469675 |
Priming protection |
Lars Hoffmann Berthelsen, Gert Kjaer, Florin Lungeanu |
2013-06-25 |
| 8465262 |
Speed control |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby, Kevin Murphy +4 more |
2013-06-18 |
| 8313306 |
Method of operating a safety vacuum release system |
Lars Hoffmann Berthelsen |
2012-11-20 |
| 8200373 |
Energy production and consumption matching system |
Brian Boothe |
2012-06-12 |
| 8043070 |
Speed control |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby, Kevin Murphy +4 more |
2011-10-25 |
| 8019479 |
Control algorithm of variable speed pumping system |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Everett Cox, Donald Steen +10 more |
2011-09-13 |
| 7874808 |
Variable speed pumping system and method |
— |
2011-01-25 |
| 7854597 |
Pumping system with two way communication |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Daniel J. Hruby, Kevin Murphy +6 more |
2010-12-21 |
| 7845913 |
Flow control |
Lars Hoffmann Berthelsen, Peter Westermann-Rasmussen, Gert Kjaer, Florin Lungeanu |
2010-12-07 |
| D618182 |
Pump control pad |
Lars Hoffmann Berthelsen, Gert Kjaer, Arne Fink Hansen |
2010-06-22 |
| 7686589 |
Pumping system with power optimization |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, Einar Kjartan Runarsson |
2010-03-30 |
| D611430 |
Pump control pad |
Lars Hoffmann Berthelsen, Gert Kjaer, Arne Fink Hansen |
2010-03-09 |
| D606562 |
Water pump |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, John Gary Bullock, Gert Kjaer +1 more |
2009-12-22 |
| D568340 |
Water pump |
Lars Hoffmann Berthelsen, Ronald B. Robol, Christopher R. Yahnker, John Gary Bulluck, Gert Kjaer +1 more |
2008-05-06 |
| D567189 |
Pump control pad |
Lars Hoffmann Berthelsen, Gert Kjaer, Arne Fink Hansen |
2008-04-22 |