Patents by Inventor Everett Cox
Everett Cox has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210054846Abstract: A pumping system for at least one aquatic application. The pumping system includes a pump, a motor coupled to the pump, a filter coupled to the pump, and a controller in communication with the motor. The controller is configured to make a sensorless determination of a current value of a water flow rate based on an input power to the motor, drive the motor speed to maintain the water flow rate at a first constant value during a first time period, and drive the motor speed to maintain the water flow rate at a second constant value during a second time period.Type: ApplicationFiled: November 9, 2020Publication date: February 25, 2021Inventors: 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, Einar Kjartan Runarsson, Arne Fink Hansen, Alberto Morando, Florin Lungeanu
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Publication number: 20200309153Abstract: A pump system for pumping water for pools or other flow systems including a pump, a motor, an electronic assembly, and a cooling system. The cooling system provides heat transfer from the pump system to the process flow.Type: ApplicationFiled: March 23, 2020Publication date: October 1, 2020Inventors: James Miller, Robert W. Stiles, JR., Thomas Safon, Ronald B. Robol, Everett Cox
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Patent number: 10427076Abstract: A method for removing diatomaceous earth and contaminants from a filter, and for filtering liquid using diatomaceous earth is provided. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments can also include a backwash sprayer to disturb contaminants during the backwash process.Type: GrantFiled: March 5, 2015Date of Patent: October 1, 2019Assignee: Pentair Water Pool and Spa, Inc.Inventors: Robert Frank Swindell, Leonard Richiuso, Brian Everett Cox
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Publication number: 20170198697Abstract: A pumping system for a pool or spa application that pumps water. The pumping system comprising a means for moving water through the pool or spa application, a means for driving the means for moving water, and a means for controlling the means for driving. The means for controlling monitors a current flow rate based on an input power to the means for driving, monitors whether the current flow rate is above a priming flow value in order to identify whether the means for moving water has become initially primed, and indicates a priming alarm if the means for moving water has not become initially primed before reaching a maximum priming time allotment, wherein the maximum priming time allotment is a fixed time period.Type: ApplicationFiled: March 27, 2017Publication date: July 13, 2017Inventors: 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
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Patent number: 9605680Abstract: 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 the flow rate indicative value toward a constant. A value indicative of flow pressure is determined and the motor is controlled to adjust the flow pressure indicative value toward a constant. A selection is made between flow rate control and flow pressure control. In another aspect, the pump is controlled to perform a first operation, and is operated to perform a second water operation. Control of operation of the pump to perform the first water operation is altered in response to operation of the pump to perform the second operation.Type: GrantFiled: July 8, 2014Date of Patent: March 28, 2017Assignees: Pentair Water Pool and Spa, Inc., Danfoss Drives A/SInventors: 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
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Patent number: 9404500Abstract: 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 the flow rate indicative value toward a constant. A value indicative of flow pressure is determined and the motor is controlled to adjust the flow pressure indicative value toward a constant. A selection is made between flow rate control and flow pressure control. In another aspect, the pump is controlled to perform a first operation, and is operated to perform a second water operation. Control of operation of the pump to perform the first water operation is altered in response to operation of the pump to perform the second operation.Type: GrantFiled: September 12, 2011Date of Patent: August 2, 2016Assignee: Pentair Water Pool and Spa, Inc.Inventors: 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
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Publication number: 20150174515Abstract: A method for removing diatomaceous earth and contaminants from a filter, and for filtering liquid using diatomaceous earth is provided. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments can also include a backwash sprayer to disturb contaminants during the backwash process.Type: ApplicationFiled: March 5, 2015Publication date: June 25, 2015Inventors: Robert Frank Swindell, Leonard Richiuso, Brian Everett Cox
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Patent number: 8992775Abstract: 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 can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments of the apparatus can include a backwash sprayer to disturb contaminants during the backwash process. Some embodiments of the apparatus can include a removable lid to access the filter cartridges during the washdown process.Type: GrantFiled: October 31, 2006Date of Patent: March 31, 2015Assignee: Pentair Water Pool and Spa, Inc.Inventors: Robert Frank Swindell, Leonard Richiuso, Brian Everett Cox
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Publication number: 20140322030Abstract: 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 the flow rate indicative value toward a constant. A value indicative of flow pressure is determined and the motor is controlled to adjust the flow pressure indicative value toward a constant. A selection is made between flow rate control and flow pressure control. In another aspect, the pump is controlled to perform a first operation, and is operated to perform a second water operation. Control of operation of the pump to perform the first water operation is altered in response to operation of the pump to perform the second operation.Type: ApplicationFiled: July 8, 2014Publication date: October 30, 2014Inventors: 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
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Publication number: 20120063921Abstract: 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 the flow rate indicative value toward a constant. A value indicative of flow pressure is determined and the motor is controlled to adjust the flow pressure indicative value toward a constant. A selection is made between flow rate control and flow pressure control. In another aspect, the pump is controlled to perform a first operation, and is operated to perform a second water operation. Control of operation of the pump to perform the first water operation is altered in response to operation of the pump to perform the second operation.Type: ApplicationFiled: September 12, 2011Publication date: March 15, 2012Inventors: 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
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Patent number: 8019479Abstract: 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 the flow rate indicative value toward a constant. A value indicative of flow pressure is determined and the motor is controlled to adjust the flow pressure indicative value toward a constant. A selection is made between flow rate control and flow pressure control. In another aspect, the pump is controlled to perform a first operation, and is operated to perform a second water operation. Control of operation of the pump to perform the first water operation is altered in response to operation of the pump to perform the second operation.Type: GrantFiled: November 23, 2005Date of Patent: September 13, 2011Assignee: Pentair Water Pool and Spa, Inc.Inventors: 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
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Publication number: 20080099408Abstract: 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 can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments of the apparatus can include a backwash sprayer to disturb contaminants during the backwash process. Some embodiments of the apparatus can include a removable lid to access the filter cartridges during the washdown process.Type: ApplicationFiled: October 31, 2006Publication date: May 1, 2008Inventors: Robert Frank Swindell, Leonard Richiuso, Brian Everett Cox
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Publication number: 20070114162Abstract: 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 the flow rate indicative value toward a constant. A value indicative of flow pressure is determined and the motor is controlled to adjust the flow pressure indicative value toward a constant. A selection is made between flow rate control and flow pressure control. In another aspect, the pump is controlled to perform a first operation, and is operated to perform a second water operation. Control of operation of the pump to perform the first water operation is altered in response to operation of the pump to perform the second operation.Type: ApplicationFiled: November 23, 2005Publication date: May 24, 2007Applicants: Pentair Water Pool and Spa, Inc., Danfoss Low Power Drives, a division of Danfoss Drive A/SInventors: Robert Stiles, Lars Berthelsen, Ronald Robol, Christopher Yahnker, Everett Cox, Donald Steen, Kevin Murphy, Walter Woodcock, Daniel Hruby, Peter Westermann-Rasmussen, Gert Kjaer, Einar Runarsson, Arne Hansen, Alberto Morando, Florin Lungeanu, Nils-Ole Harvest