Patents by Inventor Douglas Heselton

Douglas Heselton 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).

  • Publication number: 20080310992
    Abstract: A method of sterilizing a closed environment is provided in which a disinfection apparatus is placed into the closed environment; it then generates ozone to a predetermined ozone concentration, following which the humidity of the closed environment is rapidly increased. A catalytic converter then reduces the ozone concentration to safe levels. When the ozone concentration is reduced to a predetermined safe level, the disinfection apparatus signals.
    Type: Application
    Filed: June 17, 2008
    Publication date: December 18, 2008
    Applicant: VIROFORCE SYSTEMS INC.
    Inventors: Douglas Heselton, Nigel Boast, Jim Hudson, Gordon Esplin
  • Publication number: 20080031770
    Abstract: A method of sterilizing a closed environment is provided in which an disinfection apparatus is placed into the closed environment; it then generates ozone to a predetermined ozone concentration, following which the humidity of the closed environment is rapidly increased. A catalytic converter then reduces the ozone concentration to safe levels. When the ozone concentration is reduced to a predetermined safe level, the disinfection apparatus signals.
    Type: Application
    Filed: November 29, 2006
    Publication date: February 7, 2008
    Inventors: Douglas Heselton, Nigel Boast, Jim Hudson, Gordon Esplin