Patents Assigned to Donald K. Smith
  • Patent number: 4162020
    Abstract: This relates to an anti-spill device to be utilized in conjunction with a hatch located on the top or roof section of a liquid storage vessel, particularly a petroleum liquid storage vessel. This device is in the form of a pan which is positioned between the hatch and the vessel roof with the pan being configurated for adequately holding on a temporary basis spilled liquid, and the pan having drain means for draining the spill to a suitable storage point.
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: July 24, 1979
    Assignee: Donald K. Smith
    Inventor: Edward O. Kirkland