Patents by Inventor Daniel S. Kuehler

Daniel S. Kuehler 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).

  • Fluid ejection cartridge
    Patent number: 8678571
    Abstract: A fluid ejection cartridge for a fluid ejection device includes a print head, having a plurality of fluid ejection nozzles, a fluid reservoir, configured to hold a fluid to be ejected from the print head, and a selectively breachable isolator mechanism, separating the fluid reservoir and the print head.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: March 25, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: William R. Wagner, Donald B Ouchida, Daniel S Kuehler, John Liebeskind
  • FLUID EJECTION CARTRIDGE
    Publication number: 20110181672
    Abstract: A fluid ejection cartridge for a fluid ejection device includes a print head, having a plurality of fluid ejection nozzles, a fluid reservoir, configured to hold a fluid to be ejected from the print head, and a selectively breachable isolator mechanism, separating the fluid reservoir and the print head.
    Type: Application
    Filed: October 15, 2008
    Publication date: July 28, 2011
    Inventors: William R. Wagner, Donald B. Ouchida, Daniel S. Kuehler, John Liebeskind