Patents by Inventor Michael Robert St. John

Michael Robert St. John 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 and method to control press section dewatering on paper and pulp drying machines using chemical dewatering agents
    Patent number: 7964064
    Abstract: The present invention provides an automatic control system, method and paper manufacturing machine using such control system for automatically controlling the amount of press section dewatering via the metered application of chemical dewatering agents applied to a paper web in a paper manufacturing process. The control system includes a feedback controller for controlling the amount of chemical dewatering agent applied to a paper web, and a monitoring device for obtaining a measurement of the moisture of the paper web exiting the press section.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: June 21, 2011
    Assignee: Nalco Company
    Inventors: David Ira Weinstein, Michael Robert St. John, Rodney H. Banks, James L. Thomas
  • SYSTEM AND METHOD TO CONTROL PRESS SECTION DEWATERING ON PAPER AND PULP DRYING MACHINES USING CHEMICAL DEWATERING AGENTS
    Publication number: 20080179028
    Abstract: The present invention provides an automatic control system, method and paper manufacturing machine using such control system for automatically controlling the amount of press section dewatering via the metered application of chemical dewatering agents applied to a paper web in a paper manufacturing process. The control system includes a feedback controller for controlling the amount of chemical dewatering agent applied to a paper web, and a monitoring device for obtaining a measurement of the moisture of the paper web exiting the press section.
    Type: Application
    Filed: March 31, 2008
    Publication date: July 31, 2008
    Inventors: David Ira Weinstein, Michael Robert St. John, Rodney H. Banks, James L. Thomas