Patents by Inventor Joe H. Gonzales

Joe H. Gonzales 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).

  • Sewer line relief valve
    Patent number: 5031659
    Abstract: A backwater escape valve comprises a threaded shank received in the threaded opening of a clean out. A pivotally mounted valve body provides a frustoconical valve element and is biased by a spring or by gravity into a closed position against a mirror image frustoconical valve seat. Means are provided to limit opening movement of the valve body in a range of 20.degree.-60.degree. away from the valve seat. The valve seat member is configured to be fully opening and of maximum internal diameter.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: July 16, 1991
    Inventors: Henry G. Gonzales, Joe H. Gonzales