Patents by Inventor George K. Ivanov

George K. Ivanov 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 process for pulverization of a polymeric material
    Patent number: 6513737
    Abstract: An apparatus and process for pulverization of polymeric material having a multi-component screw disposed within an elongated cylindrical housing. The multi-component screw has an independently rotatable extrusion portion and an independently rotatable pulverization portion. A cooling means is provided to maintain the fine powder material produced during the pulverization process at a desired temperature. In one embodiment of this invention, a second multi-component screw having an independently rotatable extrusion portion and an independently rotatable pulverization portion is disposed within the elongated cylindrical housing.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: February 4, 2003
    Assignee: Illinois Institute of Technology
    Inventors: George K. Ivanov, Hamid Arastoopour, Ecevit Bilgili, Nima Shahidi, Barry Bernstein
  • Apparatus and process for pulverization of a polymeric material
    Publication number: 20020125352
    Abstract: An apparatus and process for pulverization of polymeric material having a multi-component screw disposed within an elongated cylindrical housing. The multi-component screw has an independently rotatable extrusion portion and an independently rotatable pulverization portion. A cooling means is provided to maintain the fine powder material produced during the pulverization process at a desired temperature. In one embodiment of this invention, a second multi-component screw having an independently rotatable extrusion portion and an independently rotatable pulverization portion is disposed within the elongated cylindrical housing.
    Type: Application
    Filed: March 9, 2001
    Publication date: September 12, 2002
    Inventors: George K. Ivanov, Hamid Arastoopour, Ecevit Bilgili, Nima Shahidi, Barry Bernstein