Patents by Inventor John Null

John Null 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).

  • Tube transition
    Patent number: 12135177
    Abstract: A tube transition fitting is formed having a first end, a second end, a head, a body, a weld area, and a first wall thickness and second wall thickness. A tube seat is formed on a surface connected to the body, the surface being adjacent a transition from the first wall thickness to the second wall thickness. A tube transition assembly includes a header portion, the tube transition fitting, and a heat exchange tube, each being connected using one or more simplified and/or heat-optimized connections.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: November 5, 2024
    Assignee: Viking Vessel Holdings, LLC
    Inventors: Marshall R. Hicks, II, John Null
  • Tube transition
    Patent number: 12130101
    Abstract: A tube transition fitting includes a body having a scalloped end having a raised portion and a depressed portion connected by a continuously sloping transition portion. The fitting is formed having a first wall thickness and a second wall thickness. A tube seat is formed on a surface connected to the body, the surface being adjacent a transition from the first wall thickness to the second wall thickness. A tube transition assembly includes a header portion, the tube transition fitting, and a heat exchange tube, each being connected using one or more simplified and/or heat-optimized connections.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: October 29, 2024
    Assignee: Viking Vessel Holdings, LLC
    Inventors: Marshall R. Hicks, II, John Null
  • Tube Transition
    Publication number: 20230184497
    Abstract: A tube transition fitting is formed having a first end, a second end, a head, a body, a weld area, and a first wall thickness and second wall thickness. A tube seat is formed on a surface connected to the body, the surface being adjacent a transition from the first wall thickness to the second wall thickness. A tube transition assembly includes a header portion, the tube transition fitting, and a heat exchange tube, each being connected using one or more simplified and/or heat-optimized connections.
    Type: Application
    Filed: July 26, 2022
    Publication date: June 15, 2023
    Applicant: Viking Vessel Holdings, LLC
    Inventors: Marshall R. Hicks, II, John Null
  • Tube Transition
    Publication number: 20220049909
    Abstract: A tube transition fitting includes a body having a scalloped end having a raised portion and a depressed portion connected by a continuously sloping transition portion. The fitting is formed having a first wall thickness and a second wall thickness. A tube seat is formed on a surface connected to the body, the surface being adjacent a transition from the first wall thickness to the second wall thickness. A tube transition assembly includes a header portion, the tube transition fitting, and a heat exchange tube, each being connected using one or more simplified and/or heat-optimized connections.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 17, 2022
    Applicant: Viking Vessel Services, LLC
    Inventors: Marshall R. Hicks, II, John Null