1
Donald H Weir, Stanley H Frederick, Robert A Hotaling, Ronald B Robol: Modular operations center for in-ground swimming pool. Wexco Incorporated, Arthur J Plantamura, November 10, 1987: US04705629 (30 worldwide citation)

A distinct element employed in a preferred embodiment of the invention resides in a two-compartment filter unit that extends operating life by permitting the function of the first compartment filtration to be transferred to the other compartment when the first compartment is clogged.


2
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Daniel J Hruby, Kevin Murphy, Einar Kjartan Runarsson, Arne Fink Hansen, Florin Lungeanu, Peter Westermann Rasmussen: Speed control. Pentair Water Pool and, Danfoss Low Power Drives a Division of Danfoss, Quarles & Brady, October 25, 2011: US08043070 (26 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump, an infinitely variable speed motor, and an arrangement for operating the motor. In one example, the pumping system includes a memory configured to store a plurality of retained speed values, an arrangement for providing a pl ...


3
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Daniel J Hruby, Kevin Murphy, Edward Brown, David MacCallum, Dennis Dunn, Kenneth N Clack, Einar Kjartan Runarsson, Alberto Morando: Pumping system with two way communication. Pentair Water Pool and, Danfoss Low Power Drives, Greenberg Traurig, December 21, 2010: US07854597 (25 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump, a variable speed motor, and an arrangement for controlling the variable speed motor. The pumping system further includes an auxiliary device operably connected to the arrangement for controlling, and an arrangement for provi ...


4
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Einar Kjartan Runarsson: Pumping system with power optimization. Pentair Water Pool and, Danfoss Low Power Drives division of Danfoss Drives, Greenberg Traurig, March 30, 2010: US07686589 (23 worldwide citation)

The present invention provides a pumping system for moving water of a swimming pool, including a water pump and a variable speed motor. In one example, a target volume amount of water and an operational time period is provided, and the operational time period is altered based upon a volume of water ...


5
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 ...


6
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Daniel J Hruby, Kevin Murphy, Einar Kjartan Runarsson, Arne Fink Hansen, Florin Lungeanu, Peter Westermann Rasmussen: Speed control. Pentair Water Pool and, Quarles & Brady, June 18, 2013: US08465262 (20 worldwide citation)

Embodiments of the invention provide a pumping system for at least one aquatic application controlled by a user. The pumping system includes a pump, a variable speed motor, a memory, and a controller. The pumping system includes a user interface with a first speed button, a second speed button, an i ...


7
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Einar Kjartan Runarsson: Pumping system with power optimization. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, August 6, 2013: US08500413 (18 worldwide citation)

The present invention provides a pumping system for moving water of a swimming pool, including a water pump and a variable speed motor. In one example, a target volume amount of water and an operational time period is provided, and the operational time period is altered based upon a volume of water ...


8
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Gert Kjaer, Einar Kjartan Runarsson: Filter loading. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, July 9, 2013: US08480373 (18 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump, a variable speed motor, and a filter arrangement in fluid communication with the pump. The pumping system can also include means for determining a load value indicative of an unclogged filter that permits movement of water t ...


9
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher Yahnker, Daniel J Hruby, Kevin Murphy, Einar Kjartan Runarsson, Arne Fink Hansen, Florin Lungeanu, Peter Westermann Rasmussen: Speed control. Pentair Water Pool and, Quarles & Brady, June 9, 2015: US09051930 (13 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump, an infinitely variable speed motor, and an arrangement for operating the motor. In one example, the pumping system includes a memory configured to store a plurality of retained speed values, an arrangement for providing a pl ...


10
Donald H Weir, Stanley H Frederick, Robert A Hotaling, Ronald B Robol: Modular operations center for in-ground swimming pool. Fox Industries Incorporated, Arthur J Plantamura, April 28, 1987: US04661247 (12 worldwide citation)

A modular prefabricated filter/circulating system for in-ground swimming pools is provided. The swimming pool circulation system which serves to filter and circulate pool water is designed to be prefabricated at the factory and carried to the swimming pool site as a package and installed on the swim ...