Patents Assigned to Bunker Safety Structures, LLC
  • Shelter
    Patent number: 9856670
    Abstract: An apparatus and associated method for a sliding entry door assembly. The sliding door assembly has a frame, and a fixed lid attached to the frame. A rail is attached to the frame. A lid is selectively slidable upon the rail relative to the fixed lid to an opened position. A cam is selectively operable to raise the slidable lid to be flush with the fixed lid in a closed position.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: January 2, 2018
    Assignee: Bunker Safety Structures, LLC
    Inventor: Joe Kraft
  • Concealed shelter
    Patent number: 9316013
    Abstract: An apparatus and associated method contemplating an underground shelter having an open-top enclosure and a base. A linkage assembly selectively moves the base between an opened position and a closed position. A lifting mechanism lifts the base in opposition to a force of gravity on the base in the opened position. A concealment object is supported upon the base to conceal the existence of the underground shelter below.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: April 19, 2016
    Assignee: Bunker Safety Structures, LLC
    Inventor: Joe Kraft