1
Robert W Stiles, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Everett Cox, Donald Steen, Kevin Murphy, Walter J Woodcock Jr, Daniel J Hruby, Peter Westermann Rasmussen, Gert Kjaer, Einar Kjartan Runarsson, Arne Fink Hansen, Alberto Morando, Florin Lungeanu, Nils Ole Harvest: Control algorithm of variable speed pumping system. Pentair Water Pool and, Quartes & Brady, September 13, 2011: US08019479 (21 worldwide citation)

A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive the pump. A value indicative of flow rate of water is determined and the motor is controlled to adjust t ...


2
Robert W Stiles Jr, Ronald B Robol, Lars Hoffmann Berthelsen, Nils Ole Harvest, Everett Cox, Donald Steen, Kevin Murphy, Daniel J Hruby, Peter Westermann Rasmussen, Gert Kjaer: Control algorithm of variable speed pumping system. Pentair Water Pool and, Quarles & Brady, August 2, 2016: US09404500 (3 worldwide citation)

A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive the pump. A value indicative of flow rate of water is determined and the motor is controlled to adjust t ...


3
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Everett Cox, Donald Steen, Kevin Murphy, Daniel J Hruby, Peter Westermann Rasmussen, Gert Kjaer, Nils Ole Harvest, Christopher Yahnker, Walter Woodcock Jr, Einar Kjartan Runarsson, Arne Fink Hansen, Alberto Morando, Florin Lungeanu: Control algorithm of variable speed pumping system. Pentair Water Pool and, Danfoss Drives, Quarles & Brady, March 28, 2017: US09605680 (2 worldwide citation)

A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive the pump. A value indicative of flow rate of water is determined and the motor is controlled to adjust t ...


4
Robert Frank Swindell, Leonard Richiuso, Brian Everett Cox: Diatomaceous earth filter apparatus and method. Pentair Water Pool and, Quarles & Brady, March 31, 2015: US08992775

The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments of the apparatus ca ...


5
Robert W Stiles, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Everett Cox, Donald Steen, Kevin Murphy, Walter J Woodcock, Daniel J Hruby, Peter Westermann Rasmussen, Gert Kjaer, Einar Kjartan Runarsson, Arne Fink Hansen, Alberto Morando, Florin Lungeanu, Nils Ole Harvest: Control algorithm of variable speed pumping system. Pentair Water Pool and, Danfoss Low Power Drives a division of Danfoss Drive, Pearne & Gordon, May 24, 2007: US20070114162-A1

A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive the pump. A value indicative of flow rate of water is determined and the motor is controlled to adjust t ...


6
Robert Frank Swindell, Leonard Richiuso, Brian Everett Cox: Diatomaceous earth filter apparatus and method. Michael Best & Friedrich, May 1, 2008: US20080099408-A1

The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments of the apparatus ca ...


7
Robert W Stiles JR, Ronald B Robol, Lafs Hoffmann Berthelsen, Nils Ole Harvest, Everett Cox, Donald Steen, Kevin Murphy, Daniel J Hruby, Peter Westermann Rasmussen, Gert Kjaer: Control Algorithm of Variable Speed Pumping System. March 15, 2012: US20120063921-A1

A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive the pump. A value indicative of flow rate of water is determined and the motor is controlled to adjust t ...