Patents by Inventor Suresh Gopalan
Suresh Gopalan 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: 20210404203Abstract: A pool cleaner with a cover assembly that includes a bottom cover with a cover opening, a supply mast, a distributor manifold, a timer assembly, a scrubber assembly, and a venturi vacuum. The distributor manifold receives water from the supply mast and encircles the suction mast. The venturi vacuum is in fluid communication with the distributor manifold and is designed to vacuum debris from a pool surface.Type: ApplicationFiled: September 13, 2021Publication date: December 30, 2021Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 11118369Abstract: A pool cleaner comprises a housing including at least two wheels, a supply mast, and a timer disc assembly configured to receive water from the supply mast. The timer disc assembly includes an outer housing, a plurality of outlet ports extending through the outer housing, and a rotating timer disc positioned within the outer housing adjacent to the plurality of outlet ports. The timer disc assembly also includes at least one stationary port seal liner positioned between one of the plurality of outlet ports and the rotating timer disc. The at least one stationary port seal liner includes an elastomeric piece and a liner piece, and the liner piece is in contact with the rotating timer disc.Type: GrantFiled: November 13, 2018Date of Patent: September 14, 2021Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 10519924Abstract: A pool cleaner generator module with magnetic coupling. The generator module can include a housing, a paddle wheel, a magnetic follower, and a generator. The generator can power components of the pool cleaner, such as light emitting diode (LEDs). The housing can be removably coupled to the pool cleaner and can include a flow directing portion positioned in a fluid path of the pool cleaner. The paddle wheel can be located adjacent to the flow directing portion and can rotate in response to fluid flow through the fluid path. The generator can be magnetically coupled to the paddle wheel and can generate power through rotation of the paddle wheel. The LED can be coupled to the generator and can receive the generated power from the generator to illuminate an area adjacent to the pool cleaner.Type: GrantFiled: July 24, 2017Date of Patent: December 31, 2019Assignee: Pentair Water Pool and Spa, Inc.Inventors: Brian Deery, Suresh Gopalan
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Publication number: 20190316961Abstract: Methods and systems for high-confidence utilization of datasets are disclosed. In one embodiment, the method includes selecting a metric for determining substantially optimal combination of true positives and false positives in a data set, applying an optimization technique, and obtaining, from the results of the optimization technique, a value for at least one optimization parameter, the value for at least one optimization parameter resulting in substantially optimal combination of true positives and false positives. A number of true positives and a number of false positives are a function of the one or more optimization parameters.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Applicant: ReSurfX, Inc.Inventor: Suresh Gopalan
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Publication number: 20190078346Abstract: A pool cleaner comprises a housing including at least two wheels, a supply mast, and a timer disc assembly configured to receive water from the supply mast. The timer disc assembly includes an outer housing, a plurality of outlet ports extending through the outer housing, and a rotating timer disc positioned within the outer housing adjacent to the plurality of outlet ports. The timer disc assembly also includes at least one stationary port seal liner positioned between one of the plurality of outlet ports and the rotating timer disc. The at least one stationary port seal liner includes an elastomeric piece and a liner piece, and the liner piece is in contact with the rotating timer disc.Type: ApplicationFiled: November 13, 2018Publication date: March 14, 2019Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 10125509Abstract: According to some embodiments, a pool cleaner includes a chassis, a housing supported by the chassis, at least one drive wheel supported by the chassis, and a turbine assembly that rotates in one of a first direction and a second direction to drive the at least one drive wheel. The pool cleaner also includes a timer disc assembly with at least one rotating timer disc. The timer disc assembly controls a flow of pressurized fluid away from the housing in a forward direction for backward propulsion assistance of the pool cleaner during a first time period, a rearward direction for forward propulsion assistance of the pool cleaner during a second time period, and a sideways direction for turning propulsion assistance of the pool cleaner during at least a portion of one of the first time period and the second time period.Type: GrantFiled: February 27, 2015Date of Patent: November 13, 2018Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 9896857Abstract: Embodiments of the invention provide a pool cleaner receiving fluid flow from a pool hose, the pool cleaner comprising a supply mast configured for connection to a pool hose and directing fluid flow from the pool hose and a generator positioned within the pool cleaner. The pool cleaner further includes a paddle wheel coupled to the generator, the paddle wheel and the generator generating electric power using the fluid flow directed through the pool cleaner and control circuitry coupled to the generator, the control circuitry receiving the generated power from the generator for providing energy to operate at least one function of the swimming pool cleaner.Type: GrantFiled: January 21, 2016Date of Patent: February 20, 2018Assignee: Pentair Water Pool and Spa, Inc.Inventors: Brian Deery, John Lipski, Leonard Richiuso, Suresh Gopalan
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Publication number: 20180010568Abstract: A pool cleaner generator module with magnetic coupling. The generator module can include a housing, a paddle wheel, a magnetic follower, and a generator. The generator can power components of the pool cleaner, such as light emitting diode (LEDs). The housing can be removably coupled to the pool cleaner and can include a flow directing portion positioned in a fluid path of the pool cleaner. The paddle wheel can be located adjacent to the flow directing portion and can rotate in response to fluid flow through the fluid path. The generator can be magnetically coupled to the paddle wheel and can generate power through rotation of the paddle wheel. The LED can be coupled to the generator and can receive the generated power from the generator to illuminate an area adjacent to the pool cleaner.Type: ApplicationFiled: July 24, 2017Publication date: January 11, 2018Inventors: Brian Deery, Suresh Gopalan
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Publication number: 20170020900Abstract: The invention features compounds that have antibacterial activity, their use for the treatment of bacterial infections, screening methods that use whole animals or plant seedlings to identify compounds that inhibit a pathogen in the animal or plant, and screening methods to identify compounds that increase the lifespan of an organism.Type: ApplicationFiled: February 23, 2016Publication date: January 26, 2017Inventors: Frederick M. AUSUBEL, Kim LEWIS, Terence I. MOY, Suresh GOPALAN
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Publication number: 20160138287Abstract: Embodiments of the invention provide a pool cleaner receiving fluid flow from a pool hose, the pool cleaner comprising a supply mast configured for connection to a pool hose and directing fluid flow from the pool hose and a generator positioned within the pool cleaner. The pool cleaner further includes a paddle wheel coupled to the generator, the paddle wheel and the generator generating electric power using the fluid flow directed through the pool cleaner and control circuitry coupled to the generator, the control circuitry receiving the generated power from the generator for providing energy to operate at least one function of the swimming pool cleaner.Type: ApplicationFiled: January 21, 2016Publication date: May 19, 2016Inventors: Brian Deery, John Lipski, Leonard Richiuso, Suresh Gopalan
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Patent number: 9301940Abstract: The invention features compounds that have antibacterial activity, their use for the treatment of bacterial infections, screening methods that use whole animals or plant seedlings to identify compounds that inhibit a pathogen in the animal or plant, and screening methods to identify compounds that increase the lifespan of an organism.Type: GrantFiled: June 18, 2007Date of Patent: April 5, 2016Assignees: The General Hospital Corporation, Northeastern UniversityInventors: Frederick M. Ausubel, Kim Lewis, Terence I. Moy, Suresh Gopalan
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Patent number: 9259130Abstract: Embodiments of the invention provide a light module for a pool cleaner. The light module can include a housing, a paddle wheel, a generator, and at least one light emitting diode (LED). The housing can be removably coupled to the pool cleaner and can include a flow directing portion positioned in a fluid path of the pool cleaner. The paddle wheel can be located adjacent to the flow directing portion and can rotate in response to fluid flow through the fluid path. The generator can be coupled to the paddle wheel and can generate power through rotation of the paddle wheel. The LED can be coupled to the generator and can receive the generated power from the generator to illuminate an area adjacent to the pool cleaner.Type: GrantFiled: June 4, 2012Date of Patent: February 16, 2016Assignee: Pentair Water Prool and Spa, Inc.Inventors: Brian Deery, John Lipski, Leonard Richiuso, Suresh Gopalan
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Patent number: 9119463Abstract: Embodiments of the invention provide a pool cleaner for use in a swimming pool or spa including a front wheel assembly and a scrubber assembly. The scrubber assembly is engagable with inner gear teeth of the front wheel assembly so that rotation of the front wheel assembly causes rotation of the scrubber assembly. The scrubber assembly includes at least one pinion gear and at least one end bracket rotatable about the at least one pinion gear to substantially lift the scrubber assembly over objects in the swimming pool or spa.Type: GrantFiled: October 3, 2011Date of Patent: September 1, 2015Assignee: Pentair Water Pool & Spa, Inc.Inventors: Suresh Gopalan, Nitin Aggarwal, Jayamurali Kaladharan
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Publication number: 20150167338Abstract: According to some embodiments, a pool cleaner includes a chassis, a housing supported by the chassis, at least one drive wheel supported by the chassis, and a turbine assembly that rotates in one of a first direction and a second direction to drive the at least one drive wheel. The pool cleaner also includes a timer disc assembly with at least one rotating timer disc. The timer disc assembly controls a flow of pressurized fluid away from the housing in a forward direction for backward propulsion assistance of the pool cleaner during a first time period, a rearward direction for forward propulsion assistance of the pool cleaner during a second time period, and a sideways direction for turning propulsion assistance of the pool cleaner during at least a portion of one of the first time period and the second time period.Type: ApplicationFiled: February 27, 2015Publication date: June 18, 2015Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 8990990Abstract: Embodiments of the invention provide a system and method for operating a pressure-driven pool cleaner. The system includes a hydraulic timer assembly and a venturi vacuum assembly. The method includes directing water to the hydraulic timer assembly and the venturi vacuum assembly, driving the pressure-driven pool cleaner with the hydraulic timer assembly according to a timed movement cycle including a combination of backward movement and forward movement, and suctioning debris with the venturi vacuum assembly. The venturi vacuum assembly is independent of the hydraulic timer assembly so that suctioning occurs during the backward movement and the forward movement.Type: GrantFiled: October 3, 2011Date of Patent: March 31, 2015Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Aggarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: D733374Type: GrantFiled: June 18, 2013Date of Patent: June 30, 2015Assignee: Pentair Water Pool and Spa, Inc.Inventors: Leonard Richiuso, Suresh Gopalan
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Patent number: D747573Type: GrantFiled: June 30, 2015Date of Patent: January 12, 2016Assignee: Pentair Water Pool and Spa, Inc.Inventors: Leonard Richiuso, Suresh Gopalan
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Patent number: D747574Type: GrantFiled: June 30, 2015Date of Patent: January 12, 2016Assignee: Pentair Water Pool and Spa, Inc.Inventors: Leonard Richiuso, Suresh Gopalan
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Patent number: D790787Type: GrantFiled: January 11, 2016Date of Patent: June 27, 2017Assignee: Pentair Water Pool and Spa, Inc.Inventors: Leonard Richiuso, Suresh Gopalan
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Patent number: D840621Type: GrantFiled: June 26, 2017Date of Patent: February 12, 2019Assignee: Pentair Water Pool and Spa, Inc.Inventors: Leonard Richiuso, Suresh Gopalan