Patents by Inventor Herbert B. Stiltner

Herbert B. Stiltner 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).

  • Apparatus and method for supporting a mine rib
    Patent number: 8371658
    Abstract: A mine rib support for bracing a vertical mine rib disposed between a mine floor and a mine roof. The support includes an elongated upright and continuous telescopically expandable support having a preset curvature. The member is longitudinally expanded for engaging the mine floor and the mine roof under compression with the curvature facing towards the mine rib. A support plate is laterally extended from the support member into compression engagement with the mine rib, thereby prestressing the support for support of the mine rib.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: February 12, 2013
    Assignee: Heintzmann Corporation
    Inventors: John J. Breedlove, Erik Denver, Herbert B. Stiltner
  • Apparatus and method for supporting a mine rib
    Publication number: 20110052334
    Abstract: A mine rib support for bracing a vertical mine rib disposed between a mine floor and a mine roof. The support includes an elongated upright and continuous telescopically expandable support having a preset curvature. The member is longitudinally expanded for engaging the mine floor and the mine roof under compression with the curvature facing towards the mine rib. A support plate is laterally extended from the support member into compression engagement with the mine rib, thereby prestressing the support for support of the mine rib.
    Type: Application
    Filed: May 10, 2010
    Publication date: March 3, 2011
    Inventors: John J. Breedlove, Erik Denver, Herbert B. Stiltner