Patents by Inventor Roger James Bertsch

Roger James Bertsch 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: 8349089
    Abstract: A method and apparatus for providing multiple spray zones to different subportions of a silverware basket within the wash chamber of a dishwasher.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: January 8, 2013
    Assignee: Whirlpool Corporation
    Inventors: Roger James Bertsch, David Hung-Chih Chen, Brian Lee Greenhaw, Jeffrey R. Taylor
  • Patent number: 8113222
    Abstract: An automatic dishwasher having a tub defining a wash chamber for receiving utensils to be washed, a first rack located within the wash chamber, a second rack located within the wash chamber above the first rack, a rotatable spray arm associated with the second rack, a liquid recirculation system for selectively supplying liquid to the rotatable spray arm, and a drive system for driving the rotatable spray arm.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: February 14, 2012
    Assignee: Whirlpool Corporation
    Inventors: Roger James Bertsch, Jordan Robert Fountain
  • Patent number: 7980260
    Abstract: An automatic dishwasher having a tub defining a wash chamber for receiving utensils to be washed and including a rotatable spray arm located within the wash chamber and a liquid recirculation system for selectively supplying liquid to the rotatable spray arm and where the rotatable spray arm is driven with a power unit.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: July 19, 2011
    Assignee: Whirlpool Corporation
    Inventors: Roger James Bertsch, Jordan Robert Fountain
  • Patent number: 7959744
    Abstract: An automatic dishwasher comprises a housing defining a wash chamber for holding utensils to be washed, a movable sprayer fluidly coupled with a source of liquid and having at least one directionally-controllable outlet for controllably spraying liquid into the wash chamber, and a controller operably coupled to the movable sprayer to control the direction of the directionally-controllable outlet to spray liquid in at least one preselected location within the wash chamber.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: June 14, 2011
    Assignee: Whirlpool Corporation
    Inventors: Sathish Andrea Sundaram, Joseph Karl Sharkey, Luis Fernando Welin, Roger James Bertsch, Donald J. Wilson
  • Patent number: 7914625
    Abstract: A sequencing diverter valve system in a washing appliance includes a fluid distribution manifold having a fluid inlet for receiving washing fluid and a plurality of fluid outlets. A fluid responsive rotating drive arm is connected to a drive reduction mechanism which, in turn, is operatively connected to a rotating sequencing valve for shifting the valve through a plurality of discrete positions at a rate of rotation less than the rate of rotation of the drive arm. As it rotates, the sequencing valve sequentially directs the washing fluid to a respective one or more of the plurality of fluid outlets.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: March 29, 2011
    Assignee: Whirlpool Corporation
    Inventors: Roger James Bertsch, Bruce W. Gillum, Donald Joseph Wilson
  • Patent number: 7896977
    Abstract: An automatic dishwasher having multiple spray nozzles located in the corner of a utensil rack in which case the wash liquid is sequentially sprayed from the corner spray nozzles.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: March 1, 2011
    Assignee: Whirlpool Corporation
    Inventors: Bruce W. Gillum, Donald Joseph Wilson, Roger James Bertsch, Harshal Jairaj Bhajak
  • Publication number: 20100192995
    Abstract: An automatic dishwasher having a tub defining a wash chamber for receiving utensils to be washed, with a rotatable spray arm located within the wash chamber and driven with a power unit.
    Type: Application
    Filed: April 16, 2010
    Publication date: August 5, 2010
    Applicant: WHIRLPOOL CORPORATION
    Inventors: ROGER JAMES BERTSCH, JORDAN ROBERT FOUNTAIN
  • Publication number: 20100147339
    Abstract: An automatic dishwasher with a drive system for driving a rotatable spray arm associated with a second rack, which is located above a first rack.
    Type: Application
    Filed: December 16, 2008
    Publication date: June 17, 2010
    Applicant: WHIRLPOOL CORPORATION
    Inventors: ROGER JAMES BERTSCH, JORDAN ROBERT FOUNTAIN
  • Publication number: 20100116296
    Abstract: A method and apparatus for providing multiple spray zones to different subportions of a silverware basket within the wash chamber of a dishwasher.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 13, 2010
    Applicant: WHIRLPOOL CORPORATION
    Inventors: Roger James BERTSCH, David Hung-Chih CHEN, Brian Lee GREENHAW, Jeffrey R. TAYLOR
  • Publication number: 20100043825
    Abstract: A sequencing diverter valve system in a washing appliance includes a fluid distribution manifold having a fluid inlet for receiving washing fluid and a plurality of fluid outlets. A fluid responsive rotating drive arm is connected to a drive reduction mechanism which, in turn, is operatively connected to a rotating sequencing valve for shifting the valve through a plurality of discrete positions at a rate of rotation less than the rate of rotation of the drive arm. As it rotates, the sequencing valve sequentially directs the washing fluid to a respective one or more of the plurality of fluid outlets.
    Type: Application
    Filed: August 19, 2008
    Publication date: February 25, 2010
    Applicant: WHIRLPOOL CORPORATION
    Inventors: ROGER JAMES BERTSCH, BRUCE W. GILLUM, DONALD JOSEPH WILSON
  • Publication number: 20090159103
    Abstract: An automatic dishwasher having multiple spray nozzles located in the corner of a utensil rack in which case the wash liquid is sequentially sprayed from the corner spray nozzles.
    Type: Application
    Filed: December 19, 2007
    Publication date: June 25, 2009
    Applicant: WHIRLPOOL CORPORATION
    Inventors: BRUCE W. GILLUM, DONALD JOSEPH WILSON, ROGER JAMES BERTSCH, HARSHAL JAIRAJ BHAJAK
  • Publication number: 20090071508
    Abstract: An automatic dishwasher comprises a housing defining a wash chamber for holding utensils to be washed, a movable sprayer fluidly coupled with a source of liquid and having at least one directionally-controllable outlet for controllably spraying liquid into the wash chamber, and a controller operably coupled to the movable sprayer to control the direction of the directionally-controllable outlet to spray liquid in at least one preselected location within the wash chamber.
    Type: Application
    Filed: September 19, 2007
    Publication date: March 19, 2009
    Applicant: WHIRLPOOL CORPORATION
    Inventors: SATHISH ANDREA SUNDARAM, JOSEPH KARL SHARKEY, LUIS FERNANDO WELIN, ROGER JAMES BERTSCH, DONALD J. WILSON