Patents Assigned to MudMaster, LLC
  • Patent number: 6382922
    Abstract: A grout slurry pumping system, and a grout slurry control box and associated tools are described. Methods of using the pumping system and control box are also described. The pumping system and control box may be used separately or together. The pumping system maintains a grout slurry of desired consistency and can provide it through a hose to remote locations. The control box operates to apply grout to a work surface in desired quantities and in desired amounts according to a control valve.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: May 7, 2002
    Assignee: MudMaster, LLC
    Inventors: Darrin Wayne Lewis, Robert A. Marrott