Patents by Inventor Frederick Lichtner

Frederick Lichtner 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).

  • Acid mine water demineralization methods
    Publication number: 20070045189
    Abstract: Acid mine demineralization methods wherein the acid mine drainage is neutralized, clarified, and forwarded to a microfiltration unit. The so filtered drainage water is then forwarded to a reverse osmosis unit. The permeate from the reverse osmosis unit is characterized by reduced sulfate, silica, calcium, aluminum, iron, magnesium, and manganese levels. Additionally, improvement in reduction of total dissolved solids is noted.
    Type: Application
    Filed: August 31, 2005
    Publication date: March 1, 2007
    Applicant: General Electric Company
    Inventors: Frederick Lichtner, Robert Hendel, David Polizzotti