Patents by Inventor Dennis L. Waters

Dennis L. Waters 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).

  • Fire fighting foam dispensing system and related method
    Patent number: 7703543
    Abstract: A fire fighting foam dispensing system includes a water inlet adapted to receive a flow of water, a first variable speed pump adapted to inject foam concentrate into the flow of water, a second variable speed pump adapted to inject foam concentrate into the flow of water, a foam outlet adapted to discharge fire fighting foam, a measuring apparatus adapted to measure flow rate in at least one of the water inlet and the foam outlet, and a system controller adapted to detect the flow rate from the measuring apparatus, and activate the second variable speed pump only upon the measured flow rate exceeding a predetermined flow rate value.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: April 27, 2010
    Assignee: FM Global Technologies
    Inventors: Dennis L. Waters, Robert B. Harriman
  • Fire fighting foam dispensing system and related method
    Publication number: 20090095492
    Abstract: A fire fighting foam dispensing system includes a water inlet adapted to receive a flow of water, a first variable speed pump adapted to inject foam concentrate into the flow of water, a second variable speed pump adapted to inject foam concentrate into the flow of water, a foam outlet adapted to discharge fire fighting foam, a measuring apparatus adapted to measure flow rate in at least one of the water inlet and the foam outlet, and a system controller adapted to detect the flow rate from the measuring apparatus, and activate the second variable speed pump only upon the measured flow rate exceeding a predetermined flow rate value.
    Type: Application
    Filed: October 12, 2007
    Publication date: April 16, 2009
    Applicant: FM Global Technologies
    Inventors: Dennis L. Waters, Robert B. Harriman