Patents by Inventor Rhonda Miller

Rhonda Miller 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).

  • Filtration method for metal working waste water
    Patent number: 5853593
    Abstract: A method is provided for filtering waste water containing metallic cations having valences in whole integers of at least two in concentrations greater than about one part to about one million parts of the metalworking waste water. The method utilizes an ultrafilter (6) in series with a nanofilter (14) and the addition of a chemical dispersant effective to render the nanofilter permeate suitable to meet applicable environmental standards for discard into streams, lakes and sanitary sewers.
    Type: Grant
    Filed: May 7, 1996
    Date of Patent: December 29, 1998
    Assignee: Eaton Corporation
    Inventor: Rhonda Miller