Patents by Inventor Ron Keffer

Ron Keffer 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
  • Multiple Chamber Septic Tank with a Plurality of Large and Small Access Ports
    Publication number: 20230416124
    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: Application
    Filed: September 8, 2020
    Publication date: December 28, 2023
    Inventors: John R. Smith, Ron Keffer, Robert Horger, Andrew C. Middleton, Robin L. Weightman, Peter Goodale, Richard Donahue
  • Multiple Chamber Septic Tank with a Plurality of Large and Small Access Ports
    Publication number: 20200024171
    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: Application
    Filed: July 23, 2018
    Publication date: January 23, 2020
    Inventors: John R. Smith, Ron Keffer, Robert Horger, Andrew C. Middleton, Robin L. Weightman, Peter Goodale, Richard Donahue
  • INDIVIDUAL SEPTIC TANK UNIT
    Publication number: 20180155225
    Abstract: A septic tank system for a single household or small business. That system comprises: a compartment septic tank, at least one of a leach field and an infiltration pit, and a supplemental tank between the compartment septic tank and the leach field and/or the infiltration pit. The supplemental tank including means for converting ammonia to nitrogen gas, reducing biochemical oxygen demand and reducing total suspended solids. Preferably, it includes a first chamber having an air pump and aeration channels; and a second chamber for holding one or more solid phase organic media.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 7, 2018
    Inventors: John R. Smith, Ron Keffer, Robert Horger, Andrew C. Middleton, Robin L. Weightman