Patents by Inventor Conrad B. Smith

Conrad B. Smith 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).

  • Reducing type coupling
    Patent number: 3977705
    Abstract: A coupling assembly to connect and seal the joint between the ends of axially aligned pipe sections of differing outer diameters; A gasket for sealing against and around the juxtaposed ends of axially aligned pipe sections of differing outer diameters; Coupling housing segments adapted to contain such a gasket radially and axially while engaging with the ends thereof grooves in the outer surfaces of the pipe section ends being coupled and connected.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: August 31, 1976
    Assignee: Aeroquip Corporation
    Inventors: Leo K. Thiessen, Conrad B. Smith