Patents by Inventor Robert E. Brink

Robert E. Brink 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).

  • Method of recovering heat from hot granular solids
    Patent number: 4276021
    Abstract: A continuous process for heating a fluid by recovering heat from a heated, pumpable aqueous slurry of granular material wherein the slurry is passed through an indirect heat exchanger to heat the fluid and then passed to a second indirect heat exchanger to preheat water for forming of further heated, pumpable slurry, with the slurry next passed to a third indirect heat exchanger to heat makeup water to the system and then to a thickener wherein the granular material is separated and the water recovered from the thickener is returned to the system.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: June 30, 1981
    Assignee: Dravo Corporation
    Inventors: George B. Karnofsky, Robert E. Brink