Patents by Inventor William Robert Johnston

William Robert Johnston 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 hydrogen detection in cooling towers
    Patent number: 11300372
    Abstract: A method may include: drawing a slip stream sample from a cooling fluid stream, the cooling fluid stream being fluidically coupled to an outlet of a heat exchanger and an inlet of a cooling tower; introducing the slip stream sample into an expansion chamber; and measuring a concentration of hydrogen gas within a headspace of the expansion chamber.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: April 12, 2022
    Assignee: Multi-Chem Group, LLC
    Inventor: William Robert Johnston
  • System for Hydrogen Detection in Cooling Towers
    Publication number: 20200049434
    Abstract: A method may include: drawing a slip stream sample from a cooling fluid stream, the cooling fluid stream being fluidically coupled to an outlet of a heat exchanger and an inlet of a cooling tower; introducing the slip stream sample into an expansion chamber; and measuring a concentration of hydrogen gas within a headspace of the expansion chamber.
    Type: Application
    Filed: June 7, 2019
    Publication date: February 13, 2020
    Applicant: Multi-Chem Group, LLC.
    Inventor: William Robert Johnston