Patents by Inventor Donald F. Wixson

Donald F. Wixson 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).

  • Lens holder
    Patent number: 4019567
    Abstract: A holder for apparatus that is positioned in an air preheater to detect an increase in infra-red ray emission therefrom indicating a temperature rise that precedes conditions conducive to a fire in the air preheater.
    Type: Grant
    Filed: March 24, 1976
    Date of Patent: April 26, 1977
    Assignee: The Air Preheater Company, Inc.
    Inventors: Donald F. Wixson, George K. Ostrander