Patents by Inventor Barry R. Pollock

Barry R. Pollock 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).

  • Draincock for automotive cooling system
    Patent number: 3948481
    Abstract: A screw-type draincock assembly in which separate body and stem parts are each integral elements and in which the body part provides an external seat and the stem part provides a transverse handle. The valve assembly is preferably formed by initially arranging a head portion of the valve stem to pass through the threaded bore and external seat of the body and, subsequent to assembly of the stem in the body, plastically flaring the head portion to a configuration adapted to seal the external body seat.
    Type: Grant
    Filed: May 2, 1974
    Date of Patent: April 6, 1976
    Assignee: The Weatherhead Company
    Inventor: Barry R. Pollock