Patents by Inventor Jospeh J. Dietrich

Jospeh J. Dietrich 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).

  • Wastewater treatment
    Patent number: 5364509
    Abstract: Wastewater, particularly black and gray water, produced in macerating human waste, is now treated to provide reduced total suspended solids. The wastewater includes a liquid media comprising salt-containing substance such as brine or seawater. The wastewater is electrolytically treated. In the treatment the electrolysis cell contains an anode that has a surface coating including tin dioxide. During electrolysis, the cell will produce hypochlorite while also reducing BOD and residual chlorine discharge.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: November 15, 1994
    Assignee: Eltech Systems Corporation
    Inventor: Jospeh J. Dietrich