Patents by Inventor John Dirneder

John Dirneder 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: 11143339
    Abstract: A coupling including a first member having a first body portion with threads tapered at a less than standard taper rate extending along an exterior surface thereof and a first flange portion extending therefrom. A first recess extends axially into the first flange portion and a first seal is located within the first recess. A body flange portion extends from the first body portion and axially spaced apart therefrom. A second recess extends axially into the first body flange portion and a second sealing ring is located within the second recess. The second seal is identical in size and shape with the first seal and is interchangeable therewith.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: October 12, 2021
    Assignee: Praher Plastics Canada Ltd.
    Inventor: John Dirneder
  • Publication number: 20200149665
    Abstract: There is provided a coupling including a first member having a first body portion with threads tapered at a less than standard taper rate extending along an exterior surface thereof and a first flange portion extending therefrom. A first recess extends axially into the first flange portion and a first seal is located within the first recess. A body flange portion extends from the first body portion and axially spaced apart therefrom. A second recess extends axially into the first body flange portion and a second sealing ring is located within the second recess. The second seal is identical in size and shape with the first seal and is interchangeable therewith.
    Type: Application
    Filed: November 12, 2019
    Publication date: May 14, 2020
    Inventor: John Dirneder