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).

  • Patent number: 10722101
    Abstract: 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: Grant
    Filed: November 6, 2017
    Date of Patent: July 28, 2020
    Assignee: Whirlpool Corporation
    Inventors: Walter T. Blanchard, David H. Chen, Daniel Fry
  • Patent number: 10485396
    Abstract: 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: Grant
    Filed: September 12, 2017
    Date of Patent: November 26, 2019
    Assignee: Whirlpool Corporation
    Inventors: Eric M. Beidler, Paul E. Beshears, Jr., David H. Chen, Eric A. Gallagher, Antony M. Rappette, Elliott V. Stowe
  • Patent number: 10463227
    Abstract: 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: Grant
    Filed: April 4, 2018
    Date of Patent: November 5, 2019
    Assignee: Whirlpool Corporation
    Inventors: 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
  • Patent number: 10349805
    Abstract: 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: Grant
    Filed: May 12, 2017
    Date of Patent: July 16, 2019
    Assignee: Whirlpool Corporation
    Inventors: Walter T. Blanchard, David H. Chen
  • Patent number: 10213086
    Abstract: 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: Grant
    Filed: March 14, 2017
    Date of Patent: February 26, 2019
    Assignee: Whirlpool Corporation
    Inventors: Walter T. Blanchard, David H. Chen
  • Publication number: 20180220870
    Abstract: 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: Application
    Filed: April 4, 2018
    Publication date: August 9, 2018
    Inventors: 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
  • Patent number: 9962063
    Abstract: 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: Grant
    Filed: February 25, 2015
    Date of Patent: May 8, 2018
    Assignee: Whirlpool Corporation
    Inventors: 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
  • Patent number: 9949613
    Abstract: 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: Grant
    Filed: May 25, 2011
    Date of Patent: April 24, 2018
    Assignee: Whirlpool Corporation
    Inventors: Walter T. Blanchard, David H. Chen, Daniel Fry
  • Publication number: 20180092504
    Abstract: 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: Application
    Filed: September 12, 2017
    Publication date: April 5, 2018
    Inventors: Eric M. Beidler, Paul E. Beshears, JR., David H. Chen, Eric A. Gallagher, Antony M. Rappette, Elliott V. Stowe
  • Publication number: 20180055333
    Abstract: 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: Application
    Filed: November 6, 2017
    Publication date: March 1, 2018
    Inventors: Walter T. Blanchard, David H. Chen, Daniel Fry
  • Patent number: 9788703
    Abstract: 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: Grant
    Filed: March 8, 2013
    Date of Patent: October 17, 2017
    Assignee: Whirlpool Corporation
    Inventors: Eric M. Beidler, Paul E. Beshears, Jr., David H. Chen, Eric A. Gallagher, Antony M. Rappette, Elliott V. Stowe
  • Publication number: 20170245727
    Abstract: 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: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Applicant: Whirlpool Corporation
    Inventors: Walter T. BLANCHARD, David H. CHEN
  • Publication number: 20170181600
    Abstract: 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: Application
    Filed: March 14, 2017
    Publication date: June 29, 2017
    Applicant: Whirlpool Corporation
    Inventors: Walter T. BLANCHARD, David H. CHEN
  • Patent number: 9668635
    Abstract: 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: Grant
    Filed: July 23, 2014
    Date of Patent: June 6, 2017
    Assignee: Whirlpool Corporation
    Inventors: Walter T. Blanchard, David H. Chen
  • Patent number: 9629516
    Abstract: 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: Grant
    Filed: October 8, 2014
    Date of Patent: April 25, 2017
    Assignee: Whirlpool Corporation
    Inventors: David H. Chen, Demetrius J. Schaaf, Michael S. Seeley, Jeffrey R. Taylor
  • Patent number: 9615721
    Abstract: 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: Grant
    Filed: June 10, 2014
    Date of Patent: April 11, 2017
    Assignee: Whirlpool Corporation
    Inventors: Walter T. Blanchard, David H. Chen
  • Patent number: 9392924
    Abstract: 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: Grant
    Filed: April 22, 2015
    Date of Patent: July 19, 2016
    Assignee: Whirlpool Corporation
    Inventors: Roger J. Bertsch, David H. Chen
  • Publication number: 20160100739
    Abstract: 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: Application
    Filed: October 8, 2014
    Publication date: April 14, 2016
    Inventors: DAVID H. CHEN, DEMETRIUS J. SCHAAF, MICHAEL S. SEELEY, JEFFREY R. TAYLOR
  • Patent number: 9259138
    Abstract: 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: Grant
    Filed: December 7, 2010
    Date of Patent: February 16, 2016
    Assignee: Whirlpool Corporation
    Inventors: David H. Chen, Kristopher L. Delgado, Jordan R. Fountain, Antony M. Rappette, Eric J. Schuh, Barry E. Tuller
  • Publication number: 20150257623
    Abstract: 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: Application
    Filed: February 25, 2015
    Publication date: September 17, 2015
    Applicant: WHIRLPOOL CORPORATION
    Inventors: 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