Patents by Inventor Larry L. Drake

Larry L. Drake 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).

  • Apparatus and method for storing molten materials
    Patent number: 4155976
    Abstract: An apparatus for storing molten materials comprising a storage tank; inlet and outlet means associated with the storage tank to provide access and egress for the molten material; steam supply means for providing steam to the storage tank; vapor removal means providing for exit of vapor from the vapor space of the storage tank; a liquid powered eductor in fluid communication with the vapor removal means acting to urge vapors from the storage tank through the vapor removal means; and a liquid supply means associated with the eductor to provide liquid to operate the eductor, the amount of liquid supplied being controlled in response to the vapor pressure within the storage tank.An improved method for storing molten materials is also disclosed.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: May 22, 1979
    Assignee: Atlantic Richfield Company
    Inventors: Larry L. Drake, Richard M. Smirnoff