Patents Assigned to Concrete Slurry Environmental, Inc.
  • Patent number: 7753214
    Abstract: A liquid extraction unit for extracting liquid from an aqueous material is described. The unit includes a filter that is configured to allow passage of the liquid and prevent passage of the aqueous material. The unit also includes a first vacuum that is configured to extract air from the extraction unit. The unit further includes a second vacuum that is configured to pull the liquid through the filter. The first vacuum and the second vacuum are located after the filter.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: July 13, 2010
    Assignee: Concrete Slurry Environmental, Inc.
    Inventor: Charles Davie Tomlinson