Patents Assigned to Railhead Corp.
  • Pull away spill guard
    Patent number: 4483359
    Abstract: A pull away spill guard comprising an automatic shut-off valve positioned in a supply line used in transferring liquids from one container to another. The valve acts to automatically shut off the flow of liquid through the system if the system becomes accidentally over-pressurized or there is a separation or disrupting movement in the system operating between the two tanks.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: November 20, 1984
    Assignee: Railhead Corp.
    Inventor: Harry G. Robertson