Patents by Inventor Stephan J. Smith

Stephan J. Smith 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).

  • PROCESS FOR MAKING A SUPER ABSORBENT COMPOSITION
    Publication number: 20170036188
    Abstract: A method for making a super absorbent composition where feedstock is broken into clumps, the clumps are transported to a compression section, where the clumps are heated using compression and friction. Next, the compressed clumps are cooled and then broken into a super absorbent material.
    Type: Application
    Filed: June 6, 2016
    Publication date: February 9, 2017
    Inventors: Dan Freeman, Stephan J. Smith
  • Safety device for water skiing
    Patent number: 4878449
    Abstract: A safety release device for water skiing, wherein the ski rope can be quickly disengaged from the transom of the boat through the actuation of a pull cord by a safety observer in the boat, which actuating of the pull cord releases the ski towing rope from the rear transom connection to the boat.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: November 7, 1989
    Inventor: Stephan J. Smith
  • Electric vehicle charging station
    Patent number: D608733
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: January 26, 2010
    Assignee: Portland General Electric Company
    Inventor: Stephan J. Smith
  • Electric vehicle charging station with display
    Patent number: D608734
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: January 26, 2010
    Assignee: Portland General Electric Company
    Inventor: Stephan J. Smith