Patents by Inventor Mark C. Graff

Mark C. Graff 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).

  • FILTER ASSEMBLY
    Publication number: 20260138066
    Abstract: A filter unit includes a body portion that receives a water filter. An engaging portion is coupled to the body portion. A bypass actuator rotates relative to the engaging portion to rotationally and axially operate a bypass valve of a fluid manifold. The bypass actuator drives axial engagement of the engaging portion with a valve assembly of the fluid manifold. The bypass actuator extends through the body portion and the engaging portion.
    Type: Application
    Filed: January 16, 2026
    Publication date: May 21, 2026
    Applicant: WHIRLPOOL CORPORATION
    Inventors: David P. Cooper, Mark C. Graff, James C.L. Guarino, Chad Rotter, Daniel Louis Sigmund, Steven J. Kuehl, Joseph R. Peters, Justin Glasgow
  • Filter assembly
    Patent number: 12539475
    Abstract: A filter unit includes a body portion that receives a water filter. An engaging portion is coupled to the body portion. A bypass actuator rotates relative to the engaging portion to rotationally and axially operate a bypass valve of a fluid manifold. The bypass actuator drives axial engagement of the engaging portion with a valve assembly of the fluid manifold. The bypass actuator extends through the body portion and the engaging portion.
    Type: Grant
    Filed: September 29, 2023
    Date of Patent: February 3, 2026
    Assignee: Whirlpool Corporation
    Inventors: David P. Cooper, Mark C. Graff, James C.L. Guarino, Chad Rotter, Daniel Louis Sigmund, Steven J. Kuehl, Joseph R. Peters, Justin Glasgow
  • FILTER ASSEMBLY
    Publication number: 20240024803
    Abstract: A filter unit includes a body portion that receives a water filter. An engaging portion is coupled to the body portion. A bypass actuator rotates relative to the engaging portion to rotationally and axially operate a bypass valve of a fluid manifold. The bypass actuator drives axial engagement of the engaging portion with a valve assembly of the fluid manifold. The bypass actuator extends through the body portion and the engaging portion.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Inventors: David P. Cooper, Mark C. Graff, James C.L. Guarino, Chad Rotter, Daniel Louis Sigmund, Steven J. Kuehl, Joseph R. Peters, Justin Glasgow
  • Filter assembly
    Patent number: 11806648
    Abstract: A filter unit includes a body portion that receives a water filter. An engaging portion is coupled to the body portion. A bypass actuator rotates relative to the engaging portion to rotationally and axially operate a bypass valve of a fluid manifold. The bypass actuator drives axial engagement of the engaging portion with a valve assembly of the fluid manifold. The bypass actuator extends through the body portion and the engaging portion.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: November 7, 2023
    Assignee: Whirlpool Corporation
    Inventors: David P. Cooper, Mark C. Graff, James C. L. Guarino, Chad Rotter, Daniel Louis Sigmund, Steven J. Kuehl, Joseph R. Peters, Justin Glasgow
  • FILTER ASSEMBLY
    Publication number: 20230330575
    Abstract: A filter unit includes a body portion that receives a water filter. An engaging portion is coupled to the body portion. A bypass actuator rotates relative to the engaging portion to rotationally and axially operate a bypass valve of a fluid manifold. The bypass actuator drives axial engagement of the engaging portion with a valve assembly of the fluid manifold. The bypass actuator extends through the body portion and the engaging portion.
    Type: Application
    Filed: April 27, 2023
    Publication date: October 19, 2023
    Inventors: David P. Cooper, Mark C. Graff, James C.L. Guarino, Chad Rotter, Daniel Louis Sigmund, Steven J. Kuehl, Joseph R. Peters, Justin Glasgow
  • Filter unit
    Patent number: D1059542
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: January 28, 2025
    Assignee: Whirlpool Corporation
    Inventors: David P. Cooper, Mark C. Graff, James C. L. Guarino, Chad Rotter, Daniel Louis Sigmund, Steven J. Kuehl, Joseph R. Peters, Justin Glasgow
  • Filter unit
    Patent number: D1084220
    Type: Grant
    Filed: December 10, 2024
    Date of Patent: July 15, 2025
    Assignee: Whirlpool Corporation
    Inventors: David P. Cooper, Mark C. Graff, James C. L. Guarino, Chad Rotter, Daniel Louis Sigmund, Steven J. Kuehl, Joseph R. Peters, Justin Glasgow