Patents Assigned to Ingram Industries, Inc.
  • Patent number: 4146406
    Abstract: The bottoms of transport barge tanks when emptied of high consistency treated sludge are automatically and quickly hosed clean of heavy sediment, as much as a foot deep without labor and with an economical use of a reversely directed progressively self-rotated stream of water that is easily serviced.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: March 27, 1979
    Assignee: Ingram Industries, Inc.
    Inventor: David F. Sampsell