Patents by Inventor Delbert L. Cox

Delbert L. Cox 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).

  • Plastic Tee fitting
    Patent number: 4708374
    Abstract: A plastic Tee fitting formed by a main conduit body and an internally threaded adapter connected to the body at a right angle. The adapter is arranged end to end with a hollow neck which projects from the wall of the main body around a circular opening in the wall. The joint between the neck and adapter is strenghtened by an insert which is fitted in and glued to the neck and adapter on the inside and by a spout which is sleeved around and glued to the neck and adapter on the outside.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: November 24, 1987
    Assignee: NACO Industries, Inc.
    Inventor: Delbert L. Cox