Patents by Inventor Julie Jo Cox

Julie Jo Cox 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).

  • Barrier feature in fluid channel
    Patent number: 6896360
    Abstract: A fluid ejection device comprising a substrate having a first surface, and a fluid ejector formed over the first surface. A top layer is also formed over the first surface of the substrate and defines a chamber about the fluid ejector. The top layer also defines a fluid channel that directs fluid into the chamber. In one embodiment, a barrier feature is positioned within the fluid channel, and has a height that is less than the height of the fluid channel.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: May 24, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Julie Jo Cox, Jeremy H Donaldson, Jules G. Moritz, III
  • Barrier feature in fluid channel
    Publication number: 20040085407
    Abstract: A fluid ejection device comprising a substrate having a first surface, and a fluid ejector formed over the first surface. A top layer is also formed over the first surface of the substrate and defines a chamber about the fluid ejector. The top layer also defines a fluid channel that directs fluid into the chamber. In one embodiment, a barrier feature is positioned within the fluid channel, and has a height that is less than the height of the fluid channel.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 6, 2004
    Inventors: Julie Jo Cox, Jeremy H. Donaldson, Jules G. Moritz