Patents by Inventor Gordon Duane Hopkins

Gordon Duane Hopkins 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).

  • Liquid mist fire extinguisher
    Patent number: 6981659
    Abstract: A liquid mist fire extinguisher, comprising a container for holding a gas and a liquid under pressure. The extinguisher has valve assembly at the upper end of the container, a valve for simultaneously releasing said gas and said liquid separately from the container, and a hose for feeding said gas and said liquid separately through a nozzle. The nozzle assembly includes means for feeding said gas and said liquid separately through a mixing chamber, and exiting orifices in an end surface of said nozzle assembly for issue of mixed gas and liquid in a fine mist.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: January 3, 2006
    Inventor: Gordon Duane Hopkins
  • Liquid mist fire extinguisher
    Patent number: 6189625
    Abstract: A liquid mist fire extinguisher, comprising a container for holding a gas and a liquid under pressure. The extinguisher has valve assembly at the upper end of the container, a valve for simultaneously releasing said gas and said liquid separately from the container, and a hose for feeding said gas and said liquid separately through a nozzle. The nozzle assembly includes longitudinal and radial inlets for feeding said gas and said liquid separately through a mixing chamber, and exiting orifices in an end surface of said nozzle assembly for issue of mixed gas and liquid in a fine mist.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: February 20, 2001
    Inventor: Gordon Duane Hopkins