Patents by Inventor Elizabeth Marie Crowley

Elizabeth Marie Crowley 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).

  • Release agent supply wick for printer apparatus
    Patent number: 5709748
    Abstract: An improved release agent delivery apparatus is disclosed for use in laser printers, plain paper copiers, facsimile machines, and similar printing apparatus. The delivery apparatus comprises an absorbent textile core filled with release agent, a permeable membrane surrounding the textile core to form a sheathed wick member, and a mounting sleeve adapted to attach the sheathed wick member in operative contact with the printer. The apparatus has numerous operational advantages over existing oil delivery apparatus, including providing multiple contact surfaces for longer operational life before replacement, ease in cleaning and regeneration, improved durability and reduced wear, and more compact and versatile operation.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: January 20, 1998
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Robert L. Sassa, Alex R. Hobson, Elizabeth Marie Crowley, Kristin E. Williamson
  • Release agent supply wick for printer apparatus and method for making and using same
    Patent number: 5690739
    Abstract: An improved release agent delivery apparatus is disclosed for use in laser printers, plain paper copiers, facsimile machines, and similar printing apparatus. The delivery apparatus comprises an absorbent textile core filled with release agent, a permeable membrane surrounding the textile core to form a sheathed wick member, and a mounting sleeve adapted to attach the sheathed wick member in operative contact with the printer. The apparatus has numerous operational advantages over existing oil delivery apparatus, including providing multiple contact surfaces for longer operational life before replacement, ease in cleaning and regeneration, improved durability and reduced wear, and more compact and versatile operation.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: November 25, 1997
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Robert L. Sassa, Alex R. Hobson, Elizabeth Marie Crowley