Patents by Inventor Paul Thomas Lockhart

Paul Thomas Lockhart 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).

  • Patent number: 7311468
    Abstract: Process for the disposal of sulfur which comprises melting the sulfur, optionally in the presence of hydrogen sulfide, and injecting the molten sulfur into geological structures having a temperature ranging from 90 to 160° C.
    Type: Grant
    Filed: July 5, 2004
    Date of Patent: December 25, 2007
    Assignees: ENI S.p.A., Enitecnologie S.p.A.
    Inventors: Alberto Di Lullo, Paul Thomas Lockhart