Patents by Inventor Keith A. Borg

Keith A. Borg 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).

  • Publication number: 20080000811
    Abstract: The present invention provides an electrostatic separation device to separate components of a mixture of particulates, said device including a means to electrostatically charge said particulates and a first roll and a second roll which are conductive, said first and second roll being arranged one above the other, said device including third and fourth rolls which are also conductive, said first and second rolls each producing a non-conductive output and conductive output, which proceeds respectively to said third roll and said fourth roll, with said first and second rolls producing a mids output, said mids output from said first roll proceeding onto said second roll.
    Type: Application
    Filed: April 7, 2005
    Publication date: January 3, 2008
    Inventors: Bruce Selvey, Johannes Kruger, Mark Palmer, Keith Borg
  • Patent number: D332671
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: January 19, 1993
    Inventor: Keith A. Borg