Patents by Inventor Robert V. Verity

Robert V. Verity 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).

  • Insulated concentric tubing joint assembly
    Patent number: 4579373
    Abstract: An insulated pipe assembly and joint apparatus and method for assembly thereof utilized in hydrocarbon recovery steam processes whereby a pre-tensile stressed tubing and pre-compressive stress casing are assembled with a sealably threaded combination coupling, this said assembly being a pre-assembled unit which ultimately in application is strung with additional units and held together with a plurality of standard pipe couplings.
    Type: Grant
    Filed: October 7, 1985
    Date of Patent: April 1, 1986
    Inventors: William J. Neal, Robert V. Verity