Patents by Inventor John (Jack) Joseph Roetker

John (Jack) Joseph Roetker 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).

  • Water heater containing a phase change material
    Patent number: 8887672
    Abstract: An appliance includes a water heater storage tank, a heating assembly configured to heat water within the water heater storage tank, and a heat exchange device disposed within the heat storage unit in a fixed relationship relative to a position of the heating assembly. The heat exchange device includes a hollow object and a phase change material within the hollow object.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: November 18, 2014
    Assignee: General Electric Company
    Inventors: Brent Alden Junge, John (Jack) Joseph Roetker, Joseph Anthony Tobbe, Blake Philip Bomar
  • WATER HEATER CONTAINING A PHASE CHANGE MATERIAL
    Publication number: 20110239673
    Abstract: An appliance includes a water heater storage tank, a heating assembly configured to heat water within the water heater storage tank, and a heat exchange device disposed within the heat storage unit in a fixed relationship relative to a position of the heating assembly. The heat exchange device includes a hollow object and a phase change material within the hollow object.
    Type: Application
    Filed: October 4, 2010
    Publication date: October 6, 2011
    Inventors: Brent Alden Junge, John (Jack) Joseph Roetker, Joseph Anthony Tobbe, Blake Philip Bomar