Patents Assigned to WaterFilled Barrier Systems International, Inc.
  • Safety gate
    Patent number: 11965379
    Abstract: A safety gate includes a first column, disposed on a first side of an elevator shaft, a second column, disposed on a second side of the elevator shaft, a first gate panel, and a second gate panel. The first gate panel is coupled to the first column via a first locking hinge. The second gate panel is coupled to the second column via a second locking hinge.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: April 23, 2024
    Assignee: WaterFilled Barrier Systems International, Inc.
    Inventor: Michael Angenend