Patents by Inventor Demetrius J. Schaaf

Demetrius J. Schaaf 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: 10307035
    Abstract: A dish treating appliance for treating dishes according to an automatic cycle of operation and including a tub at least partially defining a treating chamber, multiple sprayers emitting a liquid into the treating chamber, and a diverter valve having a rotatable valve body, which can be rotated to discrete rotational positions to selectively fluidly couple with the multiple sprayers. A rotary drive is located exteriorly of the tub and comprises a housing defining an interior with a liquid leak reservoir, a motor carried by the housing, an output shaft rotationally driven by the motor, extending through the housing and the tub, and operably coupled to the valve body, and a printed circuit board (PCB) located within the housing.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: June 4, 2019
    Assignee: Whirlpool Corporation
    Inventors: David Chen, Mark S. Feddema, Ryan K. Roth, Demetrius J. Schaaf, Mohan Takale
  • Publication number: 20180235431
    Abstract: A dish treating appliance for treating dishes according to an automatic cycle of operation and including a tub at least partially defining a treating chamber, multiple sprayers emitting a liquid into the treating chamber, and a diverter valve having a rotatable valve body, which can be rotated to discrete rotational positions to selectively fluidly couple with the multiple sprayers. A rotary drive is located exteriorly of the tub and comprises a housing defining an interior with a liquid leak reservoir, a motor carried by the housing, an output shaft rotationally driven by the motor, extending through the housing and the tub, and operably coupled to the valve body, and a printed circuit board (PCB) located within the housing.
    Type: Application
    Filed: April 20, 2018
    Publication date: August 23, 2018
    Inventors: DAVID CHEN, MARK S. FEDDEMA, RYAN K. ROTH, DEMETRIUS J. SCHAAF, MOHAN TAKALE
  • Patent number: 9999337
    Abstract: A dishwasher may include a closure element, such as a door, a user interface on the closure element, and a controller. A data communication link having a first data connector may be coupled to the controller, and a second data connector may be coupled to the user interface. The first and second data connectors may communicatively couple when the closure element is in the closed condition to establish data communication between the controller and the user interface. The communication link may also form a power link to provide power to the user interface across an electrical link.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: June 19, 2018
    Assignee: Whirlpool Corporation
    Inventors: Marcus R. Fischer, Bryan M. Topp, Demetrius J. Schaaf, Justin D. McIver
  • Patent number: 9993132
    Abstract: A dish treating appliance for treating dishes according to an automatic cycle of operation and including a tub at least partially defining a treating chamber, multiple sprayers emitting a liquid into the treating chamber, and a diverter valve having a rotatable valve body, which can be rotated to discrete rotational positions to selectively fluidly couple with the multiple sprayers. A rotary drive is located exteriorly of the tub and comprises a housing defining an interior with a liquid leak reservoir, a motor carried by the housing, an output shaft rotationally driven by the motor, extending through the housing and the tub, and operably coupled to the valve body, and a printed circuit board (PCB) located within the housing.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 12, 2018
    Assignee: Whirlpool Corporation
    Inventors: David Chen, Mark S. Feddema, Ryan K. Roth, Demetrius J. Schaaf, Mohan Takale
  • Patent number: 9687134
    Abstract: A dishwasher includes a door with at least a first part and a second part. The first part may be pivotally mounted to the dishwasher. The second part may be configured to be coupled to the first part for cooperative pivoting of the first part and the second part in one mode of operation. The second part may also be configured to move independently of the first part in another mode of operation.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: June 27, 2017
    Assignee: Whirlpool Corporation
    Inventors: Mark W. Baldwin, Rexford W. Cordill, Marcus R. Fischer, Mike S. Hemry, Saadat Hussain, Duane M. Kobos, Justin D. McIver, Demetrius J. Schaaf, Bryan M. Topp, Barry E. Tuller, Ameresh B. Viswanathan, Anthony B. Welsh, Elizabeth A. Moit, Brett Dibkey
  • Publication number: 20170172372
    Abstract: A dish treating appliance for treating dishes according to an automatic cycle of operation and including a tub at least partially defining a treating chamber, multiple sprayers emitting a liquid into the treating chamber, and a diverter valve having a rotatable valve body, which can be rotated to discrete rotational positions to selectively fluidly couple with the multiple sprayers. A rotary drive is located exteriorly of the tub and comprises a housing defining an interior with a liquid leak reservoir, a motor carried by the housing, an output shaft rotationally driven by the motor, extending through the housing and the tub, and operably coupled to the valve body, and a printed circuit board (PCB) located within the housing.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 22, 2017
    Inventors: DAVID CHEN, MARK S. FEDDEMA, RYAN K. ROTH, DEMETRIUS J. SCHAAF, MOHAN TAKALE
  • 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
  • Publication number: 20160374534
    Abstract: A dishwasher may include a closure element, such as a door, a user interface on the closure element, and a controller. A data communication link having a first data connector may be coupled to the controller, and a second data connector may be coupled to the user interface. The first and second data connectors may communicatively couple when the closure element is in the closed condition to establish data communication between the controller and the user interface. The communication link may also form a power link to provide power to the user interface across an electrical link.
    Type: Application
    Filed: September 13, 2016
    Publication date: December 29, 2016
    Inventors: Marcus R. Fischer, Bryan M. Topp, Demetrius J. Schaaf, Justin D. McIver
  • Patent number: 9462926
    Abstract: A dishwasher may include a closure element, such as a door, a user interface on the closure element, and a controller. A data communication link having a first data connector may be coupled to the controller, and a second data connector may be coupled to the user interface. The first and second data connectors may communicatively couple when the closure element is in the closed condition to establish data communication between the controller and the user interface. The communication link may also form a power link to provide power to the user interface across an electrical link.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: October 11, 2016
    Assignee: Whirlpool Corporation
    Inventors: Mark W. Baldwin, Blayne C. Smith, Marcus R. Fischer, Mike S. Hemry, Saadat Hussain, Duane M. Kobos, Justin D. McIver, Demetrius J. Schaaf, Bryan M. Topp, Barry E. Tuller, Ameresh B. Viswanathan, Anthony B. Welsh, Elizabeh A. Moit
  • 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: 9307888
    Abstract: A dishwasher includes an open-face tub and a closure element selectively closing the open face of the tub and housing a user interface powered by a rechargeable power supply, such as a battery, operatively coupled to a power charger. In one embodiment, the user interface is not removable from the closure element, and the power charger may be remote from the closure element to selectively provide power to the rechargeable power supply. In another embodiment, the closure element may include a first door and a second door, with each door having an inductive part for formation of an inductive coupling to charge the rechargeable power supply when the doors are in juxtaposition.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: April 12, 2016
    Assignee: Whirlpool Corporation
    Inventors: Mark W. Baldwin, Marcus R. Fischer, Saadat Hussain, Justin D. McIver, Elizabeh A. Moit, Demetrius J. Schaaf, Blayne C. Smith, Bryan M. Topp, Barry E. Tuller, Ameresh B. Viswanathan, Anthony B. Welsh, Andrew T. Middleton
  • Patent number: 6349731
    Abstract: A water inlet assembly for mounting adjacent an opening provided in a tub of an automatic dishwasher wherein the tub defines a cavity having a volume for washing dishes. The water inlet assembly includes a housing forming a venting chamber and having an outlet opening mounted in sealed relationship about the opening provided in the tub. The venting chamber has a vent opening which may be located above the outlet opening. The housing further includes an inlet nozzle for receiving wash liquid and a conduit for guiding liquid from the inlet nozzle to the venting chamber from which wash liquid can flow through the outlet opening into the tub. A water trap is formed into the housing and is located along the conduit. The conduit has a siphon opening located upstream of the water trap.
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: February 26, 2002
    Assignee: Whirlpool Corporation
    Inventors: Demetrius J. Schaaf, Eric C. Erwin