Patents by Inventor David H. Chen
David H. Chen 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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Patent number: 10722101Abstract: A dishwasher for cleaning utensils comprising a tub, a spray system, and a rack having a wireframe body, a set of fixed tines disposed on the wireframe body, and a set of slidably adjustable tines arranged in pairs and adjustable relative to the set of fixed tines.Type: GrantFiled: November 6, 2017Date of Patent: July 28, 2020Assignee: Whirlpool CorporationInventors: Walter T. Blanchard, David H. Chen, Daniel Fry
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Patent number: 10485396Abstract: A dishwasher for treating dishes according to an automatic cycle of operation having a tub that at least partially defines a treating chamber, a slidable dish holder, an electricity-consuming component having a rechargeable battery, and a battery charging system to recharge the rechargeable battery of the electricity-consuming component when the dish holder is in the treating position.Type: GrantFiled: September 12, 2017Date of Patent: November 26, 2019Assignee: Whirlpool CorporationInventors: Eric M. Beidler, Paul E. Beshears, Jr., David H. Chen, Eric A. Gallagher, Antony M. Rappette, Elliott V. Stowe
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Patent number: 10463227Abstract: A dishwasher having a tub defining a treating chamber, a dish rack, and a spray assembly associated with the dish rack. The spray assembly may include at least one sprayer positioned to spray treating liquid onto dishes received by the rack. The sprayer has two openings and may be movable between a first position and a second position.Type: GrantFiled: April 4, 2018Date of Patent: November 5, 2019Assignee: Whirlpool CorporationInventors: Paul E. Beshears, Jr., David H. Chen, Mark S. Feddema, Deborah L. Gregory, Todd M. Jozwiak, Timothy D. Lee, Antony M. Rappette, Jason A. Sibley, Chad T. VanderRoest, Ameresh B. Viswanathan
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Patent number: 10349805Abstract: A dishwasher includes a rack provided with interior and exterior corner nozzles to direct washing fluid onto interior and exterior surface portions of an object placed in a corner of the rack.Type: GrantFiled: May 12, 2017Date of Patent: July 16, 2019Assignee: Whirlpool CorporationInventors: Walter T. Blanchard, David H. Chen
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Patent number: 10213086Abstract: A dishwasher includes a shiftable rack provided with multiple, distinct washing fluid spray arms connected to a common, rack supported manifold. When the rack is shifted to a retracted position within a tub of the dishwasher, the manifold mates with a coupling of a fluid distribution system including a multi-tube feed arrangement configured to selectively distribute washing fluid from a pump assembly to the multiple spray arms.Type: GrantFiled: March 14, 2017Date of Patent: February 26, 2019Assignee: Whirlpool CorporationInventors: Walter T. Blanchard, David H. Chen
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Publication number: 20180220870Abstract: A dishwasher having a tub defining a treating chamber, a dish rack, and a spray assembly associated with the dish rack. The spray assembly may include at least one sprayer positioned to spray treating liquid onto dishes received by the rack. The sprayer has two openings and may be movable between a first position and a second position.Type: ApplicationFiled: April 4, 2018Publication date: August 9, 2018Inventors: Paul E. Beshears, JR., David H. Chen, Mark S. Feddema, Deborah L. Gregory, Todd M. Jozwiak, Timothy D. Lee, Antony M. Rappette, Jason A. Sibley, Chad T. VanderRoest, Ameresh B. Viswanathan
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Patent number: 9962063Abstract: A dishwasher having a tub defining a treating chamber, a dish rack, and a spray assembly associated with the dish rack. The spray assembly may include at least one sprayer positioned to spray treating liquid onto dishes received by the rack. The sprayer has two openings and may be movable between a first position where the treating liquid flows through the first liquid opening into the treating chamber and does not flow through the second liquid opening and a second position where the treating liquid flows through the second liquid opening into the treating chamber. The sprayer may be rotatable between positions and may emit spray in both positions.Type: GrantFiled: February 25, 2015Date of Patent: May 8, 2018Assignee: Whirlpool CorporationInventors: Paul E. Beshears, Jr., David H. Chen, Mark S. Feddema, Deborah L. Gregory, Todd M. Jozwiak, Timothy D. Lee, Antony M. Rappette, Jason A. Sibley, Chad T. Vanderroest, Ameresh B. Viswanathan
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Patent number: 9949613Abstract: A dishwasher for cleaning utensils comprising a tub, a spray system, and a rack having a wireframe body, a set of fixed tines disposed on the bottom, and a set of slidably adjustable tines arranged in pairs and adjustable relative to the fixed set of paired tines.Type: GrantFiled: May 25, 2011Date of Patent: April 24, 2018Assignee: Whirlpool CorporationInventors: Walter T. Blanchard, David H. Chen, Daniel Fry
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Publication number: 20180092504Abstract: A dishwasher for treating dishes according to an automatic cycle of operation having a tub that at least partially defines a treating chamber, a slidable dish holder, an electricity-consuming component having a rechargeable battery, and a battery charging system to recharge the rechargeable battery of the electricity-consuming component when the dish holder is in the treating position.Type: ApplicationFiled: September 12, 2017Publication date: April 5, 2018Inventors: Eric M. Beidler, Paul E. Beshears, JR., David H. Chen, Eric A. Gallagher, Antony M. Rappette, Elliott V. Stowe
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Publication number: 20180055333Abstract: A dishwasher for cleaning utensils comprising a tub, a spray system, and a rack having a wireframe body, a set of fixed tines disposed on the wireframe body, and a set of slidably adjustable tines arranged in pairs and adjustable relative to the set of fixed tines.Type: ApplicationFiled: November 6, 2017Publication date: March 1, 2018Inventors: Walter T. Blanchard, David H. Chen, Daniel Fry
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Patent number: 9788703Abstract: A dishwasher for treating dishes according to an automatic cycle of operation having a tub that at least partially defines a treating chamber, a slidable dish holder, an electricity-consuming component having a rechargeable battery, and a battery charging system to recharge the rechargeable battery of the electricity-consuming component when the dish holder is in the treating position.Type: GrantFiled: March 8, 2013Date of Patent: October 17, 2017Assignee: Whirlpool CorporationInventors: Eric M. Beidler, Paul E. Beshears, Jr., David H. Chen, Eric A. Gallagher, Antony M. Rappette, Elliott V. Stowe
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Publication number: 20170245727Abstract: A dishwasher includes a rack provided with interior and exterior corner nozzles to direct washing fluid onto interior and exterior surface portions of an object placed in a corner of the rack.Type: ApplicationFiled: May 12, 2017Publication date: August 31, 2017Applicant: Whirlpool CorporationInventors: Walter T. BLANCHARD, David H. CHEN
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Publication number: 20170181600Abstract: A dishwasher includes a shiftable rack provided with multiple, distinct washing fluid spray arms connected to a common, rack supported manifold. When the rack is shifted to a retracted position within a tub of the dishwasher, the manifold mates with a coupling of a fluid distribution system including a multi-tube feed arrangement configured to selectively distribute washing fluid from a pump assembly to the multiple spray arms.Type: ApplicationFiled: March 14, 2017Publication date: June 29, 2017Applicant: Whirlpool CorporationInventors: Walter T. BLANCHARD, David H. CHEN
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Patent number: 9668635Abstract: A dishwasher includes a rack provided with interior and exterior corner nozzles to direct washing fluid onto interior and exterior surface portions of an object placed in a corner of the rack.Type: GrantFiled: July 23, 2014Date of Patent: June 6, 2017Assignee: Whirlpool CorporationInventors: Walter T. Blanchard, David H. Chen
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Patent number: 9629516Abstract: A dishwasher includes a rack assembly with a modular handle for allowing a user to grasp and pull out the rack. The modular handle includes a front piece, a rear body, and two end caps, which fit together to form an aesthetically pleasing handle suitable for the temperature and humidity in a dishwasher environment.Type: GrantFiled: October 8, 2014Date of Patent: April 25, 2017Assignee: Whirlpool CorporationInventors: David H. Chen, Demetrius J. Schaaf, Michael S. Seeley, Jeffrey R. Taylor
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Patent number: 9615721Abstract: A dishwasher includes a shiftable rack provided with multiple, distinct washing fluid spray arms connected to a common, rack supported manifold. When the rack is shifted to a retracted position within a tub of the dishwasher, the manifold mates with a coupling of a fluid distribution system including a multi-tube feed arrangement configured to selectively distribute washing fluid from a pump assembly to the multiple spray arms.Type: GrantFiled: June 10, 2014Date of Patent: April 11, 2017Assignee: Whirlpool CorporationInventors: Walter T. Blanchard, David H. Chen
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Patent number: 9392924Abstract: A dishwasher includes a shiftable rack provided with a washing agent dispersal system including a housing into which washing fluid is delivered. When the rack is shifted to a retracted position within a tub of the dishwasher, a tube feed system is employed to selectively distribute washing fluid from a pump assembly to each of multiple spray arms, the housing of the washing agent dispersal system and an auxiliary spray unit carried by the upper rack.Type: GrantFiled: April 22, 2015Date of Patent: July 19, 2016Assignee: Whirlpool CorporationInventors: Roger J. Bertsch, David H. Chen
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Publication number: 20160100739Abstract: A dishwasher includes a rack assembly with a modular handle for allowing a user to grasp and pull out the rack. The modular handle includes a front piece, a rear body, and two end caps, which fit together to form an aesthetically pleasing handle suitable for the temperature and humidity in a dishwasher environment.Type: ApplicationFiled: October 8, 2014Publication date: April 14, 2016Inventors: DAVID H. CHEN, DEMETRIUS J. SCHAAF, MICHAEL S. SEELEY, JEFFREY R. TAYLOR
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Patent number: 9259138Abstract: An automatic dishwasher having at least one primary sprayer and at least one auxiliary sprayer located within a treating chamber. Wherein the at least one auxiliary sprayer is removably mounted in the treating chamber.Type: GrantFiled: December 7, 2010Date of Patent: February 16, 2016Assignee: Whirlpool CorporationInventors: David H. Chen, Kristopher L. Delgado, Jordan R. Fountain, Antony M. Rappette, Eric J. Schuh, Barry E. Tuller
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Publication number: 20150257623Abstract: A dishwasher having a tub defining a treating chamber, a dish rack, and a spray assembly associated with the dish rack. The spray assembly may include at least one sprayer positioned to spray treating liquid onto dishes received by the rack. The sprayer has two openings and may be movable between a first position where the treating liquid flows through the first liquid opening into the treating chamber and does not flow through the second liquid opening and a second position where the treating liquid flows through the second liquid opening into the treating chamber. The sprayer may be rotatable between positions and may emit spray in both positions.Type: ApplicationFiled: February 25, 2015Publication date: September 17, 2015Applicant: WHIRLPOOL CORPORATIONInventors: PAUL E. BESHEARS, JR., DAVID H. CHEN, MARK S. FEDDEMA, DEBORAH L. GREGORY, TODD M. JOZWIAK, TIMOTHY D. LEE, ANTONY M. RAPPETTE, JASON A. SIBLEY, CHAD T. VANDERROEST, AMERESH B. VISWANATHAN