Patents by Inventor D. Shawn Pearson

D. Shawn Pearson 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).

  • Steam corrugator system
    Patent number: 8215358
    Abstract: A system is configured to process steam. The system includes a steam supply line, a corrugator system, a heat sink, and one or more return lines. The corrugator system includes two corrugating rolls. The corrugating rolls each have a plurality of bores formed therethrough. The bores extend substantially longitudinally through the corrugating rolls. The heat sink is configured to draw steam through the corrugator system. The one or more return lines are in fluid communication with one or both of the corrugator system or the heat sink. The one or more return lines are configured to receive condensate communicated from one or both of the corrugator system or the heat sink. A steam trap assembly may also be positioned between the heat sink and a return line. The steam trap assembly may include a steam trap and a bypass line that is operable to selectively bypass the steam trap.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: July 10, 2012
    Assignee: Donahue & Associates International, Inc.
    Inventors: John L. Donahue, Robin A. Sommers, D. Shawn Pearson
  • STEAM CORRUGATOR SYSTEM
    Publication number: 20080236759
    Abstract: A system is configured to process steam. The system includes a steam supply line, a corrugator system, a heat sink, and one or more return lines. The corrugator system includes two corrugating rolls. The corrugating rolls each have a plurality of bores formed therethrough. The bores extend substantially longitudinally through the corrugating rolls. The heat sink is configured to draw steam through the corrugator system. The one or more return lines are in fluid communication with one or both of the corrugator system or the heat sink. The one or more return lines are configured to receive condensate communicated from one or both of the corrugator system or the heat sink. A steam trap assembly may also be positioned between the heat sink and a return line. The steam trap assembly may include a steam trap and a bypass line that is operable to selectively bypass the steam trap.
    Type: Application
    Filed: April 2, 2008
    Publication date: October 2, 2008
    Inventors: John L. Donahue, Robin A. Sommers, D. Shawn Pearson