Patents by Inventor Peter L. Middleton

Peter 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).

  • 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
  • Patent number: D932304
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 5, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Peter Charles Mason, Jr., Peter L. Middleton, Natosha Parnell, Kurt Franklin Trombley, Joe L. Washington, III