Patents by Inventor Luis Fernando Welin

Luis Fernando Welin 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).

  • Dishwasher with targeted sensing and washing
    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
  • Tilt-out ice bin for refrigerator
    Patent number: 7832227
    Abstract: A refrigerator having an insulated cabinet and a door pivotally mounted to the cabinet having an exterior face including a dispenser cavity. An ice maker in the refrigerated storage space is arranged to make and harvest ice pieces. An ice delivery system on the inside of the door dispenses ice pieces into a dispenser cavity in the exterior face of the door. The ice delivery system can include an ice bin including a generally open top and having a bottom opening pivotally mounted on a horizontal axis below the ice maker. The ice can receive ice pieces harvested by the ice maker and discharge ice pieces through the bottom opening and the ice delivery system in a first position. The ice bin can tilt out to permit access to ice pieces, and can be removed from the ice delivery system, in a second position when the door is open.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: November 16, 2010
    Assignee: Whirlpool Corporation
    Inventors: Guolian Wu, Claiton Emilio Do Amaral, Marcus R. Fischer, Marcos Heinzle, Jean Marcelo Ferreira, Luis Fernando Welin
  • Tilt-out ice bin for a refrigerator
    Patent number: 7469553
    Abstract: A refrigerator having an insulated cabinet and a door pivotally mounted to the cabinet having an exterior face including a dispenser cavity. An ice maker in the refrigerated storage space is arranged to make and harvest ice pieces. An ice delivery system on the inside of the door dispenses ice pieces into a dispenser cavity in the exterior face of the door. The ice delivery system can include an ice bin including a generally open top and having a bottom opening pivotally mounted on a horizontal axis below the ice maker. The ice can receive ice pieces harvested by the ice maker and discharge ice pieces through the bottom opening and the ice delivery system in a first position. The ice bin can tilt out to permit access to ice pieces, and can be removed from the ice delivery system, in a second position when the door is open.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: December 30, 2008
    Assignee: Whirlpool Corporation
    Inventors: Guolian Wu, Claiton Emilio Do Amaral, Marcus R. Fischer, Marcos Heinzle, Jean Marcelo Ferreira, Luis Fernando Welin