Patents by Inventor Ronald A. Kvinge

Ronald A. Kvinge 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: 4894879
    Abstract: A compound hand tool used in holding a thermostatic expansion valve in a refrigeration unit. The tool comprising an enlarged circular end with an opening extending there through and a finger-like second end opposite the first end. The tool is used to hold the valve in place while an operation is performed upon it.
    Type: Grant
    Filed: April 7, 1986
    Date of Patent: January 23, 1990
    Inventors: Albert J. Therkildsen, Ronald A. Kvinge
  • Patent number: 4716610
    Abstract: This invention is for a hand tool comprising a body or a shank having a first end and also a second end. The first end may be a curved end having a circular passageway. The curved end with the circular passageway can be positioned around the upper end of the valve housing so as to allow a wrench to be placed on the hexagonal cap or hexagonal nut to rotate the same. The second end is in the form of a finger and can be positioned between the valve housing and an upright pipe so as to be able to use a wrench for rotating a connecting between a pipe and the valve.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: January 5, 1988
    Assignee: Ronald A. Kvinge
    Inventors: Albert J. Therkildsen, Ronald A. Kvinge