Patents by Inventor Gary J. Watts

Gary J. Watts 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).

  • Patent number: 7198474
    Abstract: A pump having a linearly movable shaft, a rotatable hub operably connected to the shaft, and shape memory actuator operably connected to the rotatable hub, and a fuel cell system including the same.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: April 3, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Alan R Arthur, Gary J. Watts
  • Patent number: 6986571
    Abstract: The present invention provides an ink filter for an inkjet print cartridge, the print cartridge having nozzles for dispensing ink from an ink supply. The filter is formed of a polymeric material and is configured to prevent particles in the ink supply from passing to the print nozzles. The polymeric filter material is overmolded in a carrier which is configured to be coupled between the ink supply and the print nozzles.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: January 17, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Christie Dudenhoefer, Karl Stefan Weibezahn, Gary J. Watts
  • Patent number: 6917099
    Abstract: A die carrier has a body with a primary surface adapted for attachment to a substrate die. The body at least partially defines a fluid chamber. A fill port and an evacuate port are each fluidically connected to the fluid chamber.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: July 12, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ronald A. Hellekson, Chien-Hua Chen, William R Boucher, Joshua W. Smith, David M Craig, Gary J. Watts
  • Publication number: 20040197214
    Abstract: A pump having a shape memory actuator and a fuel cell system including the same.
    Type: Application
    Filed: April 7, 2003
    Publication date: October 7, 2004
    Inventors: Alan R. Arthur, Gary J. Watts
  • Patent number: 6663235
    Abstract: In one embodiment of the invention, a structure for preventing ink shorting of conductors connected to a printhead is provided. The structure includes a layer of insulating material shaped to at least partially encapsulate the conductors on the printhead. The insulating material includes a first surface and a second surface, with each of the surfaces having an adhesive coated thereon. The adhesive includes a polymer of ethylene and glycidyl methacrylate. The adhesive may also further include an acrylic ester. Alternatively, a first adhesive may be coated onto a first surface of the insulating material or coverlayer and a second adhesive (distinct in composition from the first adhesive) may be coated onto a second surface of the insulating material or coverlayer. In another embodiment of the invention, a print cartridge for an inkjet printer, including the structure for preventing ink shorting of conductors connected to the printhead is provided.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: December 16, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David L. Erickson, Gary J. Watts, Ravi Prasad
  • Publication number: 20030197767
    Abstract: The present invention provides an ink filter for an inkjet print cartridge, the print cartridge having nozzles for dispensing ink from an ink supply. The filter is formed of a polymeric material and is configured to prevent particles in the ink supply from passing to the print nozzles. The polymeric filter material is overmolded in a carrier which is configured to be coupled between the ink supply and the print nozzles.
    Type: Application
    Filed: April 23, 2002
    Publication date: October 23, 2003
    Inventors: Christie Dudenhoefer, Karl Stefan Weibezahn, Gary J. Watts
  • Publication number: 20030081090
    Abstract: In one embodiment of the invention, a structure for preventing ink shorting of conductors connected to a printhead is provided. The structure includes a layer of insulating material shaped to at least partially encapsulate the conductors on the printhead. The insulating material includes a first surface and a second surface, with each of the surfaces having an adhesive coated thereon. The adhesive includes a polymer of ethylene and glycidyl methacrylate. The adhesive may also further include an acrylic ester. Alternatively, a first adhesive may be coated onto a first surface of the insulating material or coverlayer and a second adhesive (distinct in composition from the first adhesive) may be coated onto a second surface of the insulating material or coverlayer.
    Type: Application
    Filed: October 31, 2001
    Publication date: May 1, 2003
    Inventors: David L. Erickson, Gary J. Watts, Ravi Prasad
  • Patent number: 6227651
    Abstract: An ink jet printer with a reciprocating carriage having a circuit element with a number of electrical contacts and a fluid aperture. A print head is connected to the circuit element and has a body defining an ink inlet aperture adjacent the fluid aperture. The print head includes a number of conductive leads at least partially encapsulated by a portion of the print head body and connected to an electrical contact on the circuit element. The print head includes a die electrically connected to the leads, and connected to the body in communication with the ink inlet aperture. The leads may be formed from a leadframe, and the die may be at least partially encapsulated by the body.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: May 8, 2001
    Assignee: Hewlett-Packard Company
    Inventors: Gary J. Watts, Ronald A Hellekson