Patents by Inventor John L. Watts, Jr.

John L. Watts, 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).

  • Device and method for installing ducts in holes produced by soil piercing tool
    Patent number: 4067200
    Abstract: A method and an apparatus for pulling flexible duct through soil simultaneously with the penetration of soil which comprises a means for penetrating the soil having a duct receiving portion mounted to its trailing end. The duct is pulled through the soil by a pulling means operably associated with the penetrating means which acts to pull the duct in the same direction and simultaneously with the movement of the penetrating means.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: January 10, 1978
    Inventors: John L. Watts, Jr., James H. Patton