Patents Assigned to Midland Manufacturing Corp.
  • Protective device for mobile tanks having bottom discontinuities
    Patent number: 4461397
    Abstract: Mobile tanks, such as the tanks of railway tank cars and the tanks of automotive tank trucks, often have bottom discontinuities susceptible in an accident to impact damage that could permit release of harmful tank contents. Such bottom discontinuities, by way of example, are downwardly projecting parts from bottom outlet valves, washouts, blind flange closures and sumps.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: July 24, 1984
    Assignee: Midland Manufacturing Corp.
    Inventor: Ralph G. Portis