Patents by Inventor Rusmar Incorporated

Rusmar Incorporated 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).

  • METHOD AND APPARATUS FOR APPLYING ROCK DUST TO A MINE WALL
    Publication number: 20130277072
    Abstract: Rock dust is applied to a mine wall for mine fire suppression in combination with a chemical foam, by generating the foam from air and a foamable liquid in a mixing chamber, and delivering the foam through one flexible conduit and air-entrained rock dust through another flexible conduit to a portable assembly composed of a Y-joint and a delivery nozzle for combining the foam and rock dust and applying the combination directly to a mine wall.
    Type: Application
    Filed: January 8, 2013
    Publication date: October 24, 2013
    Applicant: RUSMAR INCORPORATED
    Inventor: Rusmar Incorporated