Patents by Inventor Nicholas F. Zorich, Jr.

Nicholas F. Zorich, Jr. 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).

  • Anaerobic/aerobic filter plant
    Patent number: 4895645
    Abstract: The biological filter of the instant invention is intended for use between a septic tank and a drain field and includes a filter tank which receives effluent from a septic tank. The filter tank contains therein aerobic and anaerobic treatment means for treating, simultaneously, aerobically and anaerobically, portions of septic tank effluent. The filter is operable to significantly reduce the levels of all contaminants found in septic tank effluent prior to the releasing of effluent into a drain field.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: January 23, 1990
    Inventor: Nicholas F. Zorich, Jr.