Patents by Inventor Bob Wickwire

Bob Wickwire 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).

  • Ink delivery apparatus with pressure tuned rolling piston and method of use
    Patent number: 7097289
    Abstract: An ink delivery apparatus includes a pressure tuned rolling piston having a distal end. The distal end includes a pressure responsive portion. A first convolute portion supports the pressure responsive portion, and the first convolute portion is configured to provide a first level of resistance against a negative pressure.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: August 29, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Cary R. Bybee, Anthony D. Studer, David J. Benson, Kevin D. Almen, Bob Wickwire
  • Ink delivery apparatus with collapsible ink chamber and method of use
    Patent number: 7033010
    Abstract: An ink delivery apparatus includes a chamber configured to contain ink, where that chamber includes a proximal end for connection to the ink delivery apparatus, and opposing side portions having at least one tapered section configured to support the chamber and to facilitate at least partial controlled collapse of the chamber in response to a negative pressure.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: April 25, 2006
    Assignee: Hewlett-Packard Development, L.P.
    Inventors: Cary R. Bybee, Anthony D. Studer, David J. Benson, Bob Wickwire, Kevin D. Almen, David M. Hagen
  • Ink delivery apparatus with pressure tuned rolling piston and method of use
    Publication number: 20050057617
    Abstract: An ink delivery apparatus includes a pressure tuned rolling piston having a distal end. The distal end includes a pressure responsive portion. A first convolute portion supports the pressure responsive portion, and the first convolute portion is configured to provide a first level of resistance against a negative pressure.
    Type: Application
    Filed: September 12, 2003
    Publication date: March 17, 2005
    Inventors: Cary Bybee, Anthony Studer, David Benson, Kevin Almen, Bob Wickwire
  • Ink delivery apparatus with collapsible ink chamber and method of use
    Publication number: 20050057618
    Abstract: An ink delivery apparatus includes a chamber configured to contain ink, where that chamber includes a proximal end for connection to the ink delivery apparatus, and opposing side portions having at least one tapered section configured to support the chamber and to facilitate at least partial controlled collapse of the chamber in response to a negative pressure.
    Type: Application
    Filed: September 16, 2003
    Publication date: March 17, 2005
    Inventors: Cary Bybee, Anthony Studer, David Benson, Bob Wickwire, Kevin Almen, David Hagen