Patents by Inventor Charles Davie Tomlinson

Charles Davie Tomlinson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • Publication number: 20090065450
    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: Application
    Filed: September 5, 2008
    Publication date: March 12, 2009
    Inventor: Charles Davie Tomlinson