Patents by Inventor Lawrence T. Gobble

Lawrence T. Gobble 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).

  • Submersible pump protection for hostile environments
    Patent number: 5134328
    Abstract: The protection of submersible electric pump motors against hostile environments involving corrosive, abrasive and erosive fluids including an elastomeric boot or sleeve which substantially envelops the motor and which is sealed at its mouth to the periphery of the motor at one end. The interior of the boot between the motor and the boot wall is substantially filled with a heat transfer fluid such as ethylene glycol or a mixture of same and water.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: July 28, 1992
    Assignee: Baker Hughes Incorporated
    Inventors: John Johnatakis, Lawrence T. Gobble