Patents by Inventor James E. Tollar

James E. Tollar 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).

  • Annular heat exchanger
    Patent number: 4564063
    Abstract: A devolatizing heat exchanger having an annular body with an open end and a closed end. Axially extending heat exchange fluid conduits are axially disposed and radial product conduits are disposed in the annular body. A mixing chamber is enclosed within the annular heat exchanger discharging adjacent the closed end thereof, the annular heat exchanger being enclosed within a jacketed vessel.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: January 14, 1986
    Assignee: The Dow Chemical Company
    Inventor: James E. Tollar
  • Flat plate heat exchange apparatus
    Patent number: 4421162
    Abstract: A heat exchange assembly is provided which employs concentric flat plate heaters. The heat exchanger is useful as a reactor particularly where the temperature profile of the material flowing therethrough is controlled or varied.
    Type: Grant
    Filed: June 25, 1982
    Date of Patent: December 20, 1983
    Assignee: The Dow Chemical Company
    Inventor: James E. Tollar