Patents by Inventor John W. Olson, Jr.

John W. Olson, Jr. 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).

  • Apparatus for securing a line tap valve to the exterior of a tubing line
    Patent number: 3933170
    Abstract: An improved apparatus for securing an externally threaded line tap valve to the exterior of a penetrable tubing line such as that found in a closed refrigeration system. The apparatus is adapted to secure a line tap valve to a line having any of a plurality of outside diameters. The apparatus includes a body member having a threaded passage extending therethrough and a substantially square lateral cross-section. A first cylindrical outer surface is formed adjacent one end face of the body member and a second cylindrical outer surface is formed intermediate the first cylindrical outer surface and the opposite end face of the body member.
    Type: Grant
    Filed: March 20, 1975
    Date of Patent: January 20, 1976
    Assignee: C & D Valve Manufacturing Company
    Inventor: John W. Olson, Jr.