Patents by Inventor Mark C. Noga

Mark C. Noga 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).

  • Apparatus and method for wastewater nutrient recovery
    Patent number: 6331249
    Abstract: An apparatus for treating a secondary treated wastewater effluent. The apparatus comprises an anoxic first zone for accepting the secondary effluent wherein the first zone includes heterotrophic bacteria, a carbon source, and an outlet structure including a limestone aggregate. The apparatus further comprises a second zone including an entrance structure that is in fluid communication with the outlet structure and an exit structure in fluid communication with the second zone. The exit structure includes a cationic exchange medium wherein the exit structure discharges the effluent to a disposal mechanism such as a subsurface disposal field.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: December 18, 2001
    Assignee: Knight Treatment Systems, Inc.
    Inventors: Douglas J. Nelson, James E. Knight, Mark C. Noga