Patents by Inventor James Oropallo

James Oropallo 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).

  • Cylindrical bearing for pressure diffuser and associated method
    Patent number: 8157956
    Abstract: A bearing cylinder for a screen assembly of a pressurized pulp diffuser, the bearing cylinder including: a plurality of segments of the bearing cylinder wherein the segments are arranged side-by-side to form the bearing cylinder; and each of said segments includes a first region formed of a hard material resistant to damage from sand and rocks, and a second region formed of a soft material that thermally expands and conforms to bearing surfaces opposite to the bearing cylinder.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: April 17, 2012
    Assignee: Andritz Inc.
    Inventors: John Weston, Carl Luhrmann, Keith Vogel, Grant Bechard, James Oropallo, Mark Wilkinson
  • CYLINDRICAL BEARING FOR PRESSURE DIFFUSER AND ASSOCIATED METHOD
    Publication number: 20100155003
    Abstract: A bearing cylinder for a screen assembly of a pressurized pulp diffuser, the bearing cylinder including: a plurality of segments of the bearing cylinder wherein the segments are arranged side-by-side to form the bearing cylinder; and each of said segments includes a first region formed of a hard material resistant to damage from sand and rocks, and a second region formed of a soft material that thermally expands and conforms to bearing surfaces opposite to the bearing cylinder.
    Type: Application
    Filed: December 11, 2009
    Publication date: June 24, 2010
    Applicant: ANDRITZ INC.
    Inventors: John Weston, Carl Luhrmann, Keith Vogel, Grant Bechard, James Oropallo, Mark Wilkinson