Patents by Inventor Richard L. Middleton

Richard L. Middleton 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).

  • Multiple chamber septic tank with a plurality of large and small access ports
    Patent number: 11981590
    Abstract: A septic tank system includes a multiple compartmented (or chambered) supplemental tank. The supplemental tank has a cover/lid with a plurality of strategically situated access holes (both small and large ports) for servicing the various chambers from above ground.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: May 14, 2024
    Assignee: KLEANTU LLC
    Inventors: John R. Smith, Ron Keffer, Robert Horger, Andrew C. Middleton, Robin L. Weightman, Peter Goodale, Richard Donahue
  • Oil dehalogenation method
    Publication number: 20080027252
    Abstract: Methods for dehalogenating halogenated hydrocarbons are described. The methods involve mixing the halogenated hydrocarbon with an oxidizing agent, a diol and an alkali base. The mixture is heated to a temperature sufficient to remove water from the mixture. The mixture is then reacted at a sufficient temperature for a sufficient amount of time to cause the halogens of the mixture to form halide salt solids. Solids are then removed from the mixture, leaving a dehalogenated hydrocarbon.
    Type: Application
    Filed: July 27, 2006
    Publication date: January 31, 2008
    Inventors: Kermit L. Burkholder, Richard L. Middleton