Patents by Inventor Richard H. Linton

Richard H. Linton 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 for reducing microorganisms on produce using chlorine dioxide gas
    Patent number: 8920717
    Abstract: This invention provides a method for processing produce to reduce microorganisms thereon by treating the produce in a treatment chamber. The method comprises exposing the produce to an atmosphere comprising gaseous chlorine dioxide and a carrier gas in a treatment chamber and can comprise controlling the concentration of chlorine dioxide in the treatment chamber, moving the produce in the treatment chamber during exposure to the gaseous chlorine dioxide, spraying water to remove the gaseous chlorine dioxide, and purging the treatment chamber to remove any residual chlorine dioxide.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: December 30, 2014
    Assignee: Purdue Research Foundation
    Inventors: Philip E. Nelson, Richard H. Linton, Yingchang Han, Travis L. Selby
  • Apparatus and method for reducing microorganisms on produce using chlorine dioxide gas
    Publication number: 20100075004
    Abstract: This invention provides an apparatus and method for processing produce to reduce microorganisms thereon by treating the produce in a treatment chamber. The treatment chamber comprises a produce receiver disposed in the treatment chamber, a means for providing a gas stream comprising chlorine dioxide and a carrier gas into the treatment chamber, a chlorine dioxide sensor in communication with the treatment chamber, and a means for controlling the concentration of chlorine dioxide in the treatment chamber. The method comprises exposing the produce to an atmosphere comprising gaseous chlorine dioxide and a carrier gas in a treatment chamber and can comprise controlling the concentration of chlorine dioxide in the treatment chamber, moving the produce in the treatment chamber during exposure to the gaseous chlorine dioxide, spraying water to remove the gaseous chlorine dioxide, and purging the treatment chamber to remove any residual chlorine dioxide.
    Type: Application
    Filed: July 7, 2009
    Publication date: March 25, 2010
    Inventors: Philip E. Nelson, Richard H. Linton, Yingchang Han, Travis L. Selby
  • Apparatus and method for reducing microorganisms on produce using chlorine dioxide gas
    Patent number: 7571676
    Abstract: This invention provides an apparatus and method for processing produce to reduce microorganisms thereon by treating the produce in a treatment chamber. The treatment chamber comprises a produce receiver disposed in the treatment chamber, a means for providing a gas stream comprising chlorine dioxide and a carrier gas into the treatment chamber, a chlorine dioxide sensor in communication with the treatment chamber, and a means for controlling the concentration of chlorine dioxide in the treatment chamber. The method comprises exposing the produce to an atmosphere comprising gaseous chlorine dioxide and a carrier gas in a treatment chamber and can comprise controlling the concentration of chlorine dioxide in the treatment chamber, moving the produce in the treatment chamber during exposure to the gaseous chlorine dioxide, spraying water to remove the gaseous chlorine dioxide, and purging the treatment chamber to remove any residual chlorine dioxide.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: August 11, 2009
    Assignee: Purdue Research Foundation
    Inventors: Philip E. Nelson, Richard H. Linton, Yingchang Han, Travis L. Selby