Patents by Inventor Mark S. Feddema

Mark S. Feddema 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).

  • Publication number: 20210076900
    Abstract: A dishwasher with a tub that at least partially defines a treating chamber with an access opening, a closure moveable relative to the tub to selectively open and close the access opening, a lower dish holder located within the treating chamber, a middle dish holder located within the treating chamber above the lower dish holder, and an upper dish holder located within the treating chamber above the middle dish holder and having container supports defining a support surface.
    Type: Application
    Filed: November 30, 2020
    Publication date: March 18, 2021
    Inventors: Mark S. Feddema, Ajay Satish Singhal
  • Publication number: 20210045616
    Abstract: A dishwasher includes a tub with an access opening to a treating chamber, a sump, at least one sprayer emitting liquid into the treating chamber, a pump, a conduit fluidly coupling the sump to the pump and the pump to the at least one sprayer, thereby defining a recirculation circuit through which the liquid sprayed into the treating chamber collects in the sump and is pumped back to the at least one sprayer. The dishwasher also includes a filter assembly in the sump for filtering the liquid in the recirculation circuit including a cleaning element and a dome shaped displacement body positioned adjacent the filter wall for raising a liquid level within the filter and configured to fill more than 50% of a percentage of a volume of the filter.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 18, 2021
    Inventors: Mark S. Feddema, Antony Mark Rappette, Lisa M. Fehner
  • Patent number: 10888212
    Abstract: A dishwasher with a tub that at least partially defines a treating chamber with an access opening, a closure moveable relative to the tub to selectively open and close the access opening, a lower dish holder located within the treating chamber, a middle dish holder located within the treating chamber above the lower dish holder, and an upper dish holder located within the treating chamber above the middle dish holder and having container supports defining a support surface.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 12, 2021
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Ajay Satish Singhal
  • Patent number: 10835100
    Abstract: A dishwasher includes a tub with an access opening to a treating chamber, a sump, at least one sprayer emitting liquid into the treating chamber, a pump, a conduit fluidly coupling the sump to the pump and the pump to the at least one sprayer, thereby defining a recirculation circuit through which the liquid sprayed into the treating chamber collects in the sump and is pumped back to the at least one sprayer. The dishwasher also includes a filter assembly in the sump for filtering the liquid in the recirculation circuit including a cleaning element.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: November 17, 2020
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Antony Mark Rappette, Lisa M. Fehner
  • Patent number: 10813526
    Abstract: A dishwasher has a treating chamber for receiving dishes for treatment according to an automatic cycle of operation and a dispensing system for storing and dispensing a treating chemistry to the treating chamber during the cycle of operation. The dishwasher may dispense a treating chemistry when a temperature of a liquid in the treating chamber satisfies a predetermined temperature threshold. The temperature of the liquid may be maintained to satisfy the predetermined temperature threshold for a predetermined period of time based on the treating chemistry.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: October 27, 2020
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Elliott V. Stowe, Mohan Takale
  • Publication number: 20200323415
    Abstract: A spray system assembly for a household appliance, such as a dishwasher, wherein the spray system assembly can include a diverter housing with a diverter valve, a sprayer mount, and a rotatable sprayer. The rotatable sprayer can include a hub, a spray head, and a pair of spaced spacers. The sprayer mount can include a collar for receiving the hub of the rotatable sprayer. The pair of spaced spacers can circumscribe the hub.
    Type: Application
    Filed: June 25, 2020
    Publication date: October 15, 2020
    Inventors: Mark S. Feddema, Lisa M. Fehner
  • Patent number: 10791906
    Abstract: A dishwasher includes a tub at least partially defining a treating chamber. At least one dish rack defines an interior and is located in the treating chamber. At least one set of tines is located within the interior of the dish rack. A tine angle adjustment assembly includes an adjuster plate movably coupled to the at least one dish rack. The adjuster plate includes at least one adjuster pin. An adjusting arm operably couples the set of tines to the at least one adjuster pin.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: October 6, 2020
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Joseph T. Ferencevich, Venkat Vadlamani
  • Publication number: 20200305679
    Abstract: A dishwasher for treating dishes according to an automatic cycle of operation can include a tub at least partially defining a treating chamber receiving dishes for treatment and a spray system providing treating liquid to the treating chamber. A dish rack is located in the tub and has a bottom wall and at least a side wall extending upwardly from the bottom wall. A depending portion extends downwardly from the bottom wall and is oriented at an angle to the bottom wall to define an incline angle. At least one spray tube is carried by the dish rack.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 1, 2020
    Inventors: Steven B. Balinski, David Jason Brightbill, Frederick Thomas Roderick, Joseph T. Ferencevich, Ryan Kevin Roth, William J. Snell, Sujit S. Naik, Mark S. Feddema
  • Patent number: 10743740
    Abstract: A spray system assembly for a household appliance, such as a dishwasher, wherein the spray system assembly can include a diverter housing with a diverter valve, a sprayer mount, and a rotatable sprayer. The rotatable sprayer can include a hub, a spray head, and a pair of spaced spacers. The sprayer mount can include a collar for receiving the hub of the rotatable sprayer. The pair of spaced spacers can circumscribe the hub.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: August 18, 2020
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Lisa M. Fehner
  • Publication number: 20200253451
    Abstract: A dishwasher having a tub and spray arm assembly for a dishwasher having a spray arm assembly for spraying wash liquid in the tub. The spray arm assembly has spray arm inlet, a bearing assembly with a bearing body that defines a through passage with a bearing inlet and a bearing outlet fluidly coupled to the spray arm inlet. The spray arm assembly also has a liquid supply conduit with a supply outlet fluidly coupled to the bearing inlet, a seal positioned between the bearing body and the liquid supply conduit; and a deflector provided within the supply outlet to effectively divide the supply outlet into at least two portions. At least one of the two portions faces upstream and defining an effective cross-sectional area confronting the bearing inlet that is less than or equal to the cross-sectional area of the bearing inlet. The deflector is also aligned with the bearing inlet and defines a turn in the supply outlet for directing liquid into the bearing inlet.
    Type: Application
    Filed: May 1, 2020
    Publication date: August 13, 2020
    Inventors: MARK S. FEDDEMA, BLAIR D. MIKKELSEN, JOHN A. MILLER, KEVIN MILLER, ALVARO VALLEJO NORIEGA, ANTONY M. RAPPETTE, FREDERICK T. RODERICK, PRITISH ROY
  • Patent number: 10716449
    Abstract: A dishwasher for treating dishes according to an automatic cycle of operation can include a tub at least partially defining a treating chamber receiving dishes for treatment, a spray system providing treating liquid to the treating chamber, a low profile dish rack located in the tub and having a bottom wall and at least a side wall extending upwardly from the bottom wall, with a depending portion extending downwardly from the bottom wall and oriented at an angle to the bottom wall to define an incline angle, and at least one spray tube carried by the dish rack and located below the bottom wall, the spray tube having nozzles emitting spray into the depending portion.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: July 21, 2020
    Assignee: Whirlpool Corporation
    Inventors: Steven B. Balinski, David Jason Brightbill, Frederick Thomas Roderick, Joseph T. Ferencevich, Ryan Kevin Roth, William J. Snell, Sujit S. Naik, Mark S. Feddema
  • Publication number: 20200187750
    Abstract: A dishwasher with a tub that at least partially defines a treating chamber with an access opening, a closure moveable relative to the tub to selectively open and close the access opening, a lower dish holder located within the treating chamber, a middle dish holder located within the treating chamber above the lower dish holder, and an upper dish holder located within the treating chamber above the middle dish holder and having container supports defining a support surface.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 18, 2020
    Inventors: Mark S. Feddema, Ajay Satish Singhal
  • Patent number: 10682037
    Abstract: A spray arm assembly for a dishwasher having a spray arm having a spray arm inlet, a bearing assembly having a bearing body defining a through passage with a bearing inlet and a bearing outlet fluidly coupled to the spray arm inlet; and a liquid supply conduit having a supply outlet fluidly coupled to the bearing inlet.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 16, 2020
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Blair D. Mikkelsen, John A. Miller, Kevin Miller, Alvaro Vallejo Noriega, Antony M. Rappette, Frederick T. Roderick, Pritish Roy
  • Patent number: 10638910
    Abstract: A dishwasher with a tub at least partially defining a treating chamber, a spraying system for spraying liquid into the treating chamber, and a recirculation system for recirculating liquid sprayed in the treating chamber to the spraying system with a variable filtration system. Method of operating includes recirculating a liquid, supplying a first portion of the liquid through the spraying system, supplying a second portion of the liquid through the filter, and varying the amount of the second portion.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: May 5, 2020
    Assignee: Whirlpool Corporation
    Inventor: Mark S. Feddema
  • Patent number: 10602907
    Abstract: A dishwasher includes a tub at least partially defining a treating chamber and a sprayer for spraying liquid to the treating chamber. The sprayer may include a liquid passage and at least one outlet extending from an interior to an exterior of the sprayer and in fluid communication with the liquid passage. A membrane may have at least one opening and may be in fluid communication with the liquid passage to control the flow of liquid through the at least one outlet.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: March 31, 2020
    Assignee: Whirlpool Corporation
    Inventor: Mark S. Feddema
  • Publication number: 20200022556
    Abstract: A spray system assembly for a household appliance, such as a dishwasher, wherein the spray system assembly can include a diverter housing with a diverter valve, a sprayer mount, and a rotatable sprayer. The rotatable sprayer can include a hub, a spray head, and a pair of spaced spacers. The sprayer mount can include a collar for receiving the hub of the rotatable sprayer. The pair of spaced spacers can circumscribe the hub.
    Type: Application
    Filed: July 19, 2018
    Publication date: January 23, 2020
    Inventors: Mark S. Feddema, Lisa M. Fehner
  • Publication number: 20200008648
    Abstract: A dishwasher includes a tub at least partially defining a treating chamber. At least one dish rack defines an interior and is located in the treating chamber. At least one set of tines is located within the interior of the dish rack. A tine angle adjustment assembly includes an adjuster plate movably coupled to the at least one dish rack. The adjuster plate includes at least one adjuster pin. An adjusting arm operably couples the set of tines to the at least one adjuster pin.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 9, 2020
    Inventors: Mark S. Feddema, Joseph T. Ferencevich, Venkat Vadlamani
  • 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
  • Publication number: 20190290094
    Abstract: A dishwasher for treating dishes according to an automatic cycle of operation can include a tub at least partially defining a treating chamber receiving dishes for treatment, a spray system providing treating liquid to the treating chamber, a low profile dish rack located in the tub and having a bottom wall and at least a side wall extending upwardly from the bottom wall, with a depending portion extending downwardly from the bottom wall and oriented at an angle to the bottom wall to define an incline angle, and at least one spray tube carried by the dish rack and located below the bottom wall, the spray tube having nozzles emitting spray into the depending portion.
    Type: Application
    Filed: March 21, 2018
    Publication date: September 26, 2019
    Inventors: Steven B. Balinski, David Jason Brightbill, Frederick Thomas Roderick, Joseph T. Ferencevich, Ryan Kevin Roth, William J. Snell, Sujit S. Naik, Mark S. Feddema
  • Patent number: 10398283
    Abstract: A dishwasher includes a tub at least partially defining a treating chamber and a sprayer for spraying liquid to the treating chamber. The sprayer may include a liquid passage provided in the interior of the body, at least one upper outlet extending through the upper surface of the body and in fluid communication with the liquid passage, at least one lower outlet extending through the lower surface of the body and in fluid communication with the liquid passage, and a valve body moveable relative to the body to fluidly couple the at least one upper outlet and the at least one lower outlet to the liquid passage.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: September 3, 2019
    Assignee: Whirlpool Corporation
    Inventors: Mark S. Feddema, Chad T. Vanderroest