Patents by Inventor Tom O. Rytter

Tom O. Rytter 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).

  • System for recovering heat in an alkaline pulp digesting process
    Patent number: 4568422
    Abstract: A system for recovering heat in a pulp digesting process is disclosed. The system includes apparatus for blowing a pulp and liquid mixture from a digester to a container such as a blow tank or blow cyclone; a conduit for transferring flash vapor above a predetermined pressure, which is above atmospheric pressure, from the blow tank to a pressure accumulator; a conduit for transferring flash vapor below the predetermined pressure from the blow tank to an atmospheric accumulator.
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: February 4, 1986
    Assignee: Georgia-Pacific Corporation
    Inventors: A. Douglas Armstrong, Vernon B. Bodenheimer, Tom O. Rytter
  • Method for recovering heat in an alkaline pulp digesting process
    Patent number: 4421597
    Abstract: A method and system for recovering heat in a pulp digesting process is disclosed. The method includes the steps of blowing a pulp and liquid mixture from a digester to a container such as a blow tank or blow cyclone; transferring flash vapor above a predetermined pressure, which is above atmospheric pressure, from the blow tank to a pressure accumulator; transferring flash vapor below the predetermined pressure from the blow tank to an atmospheric accumulator; and mixing the flash vapor with a processing liquid in the pressure accumulator.
    Type: Grant
    Filed: December 8, 1981
    Date of Patent: December 20, 1983
    Assignee: Georgia-Pacific Corporation
    Inventors: A. Douglas Armstrong, Vernon B. Bodenheimer, Tom O. Rytter