Patents by Inventor Carrie Harris

Carrie Harris 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).

  • Printhead Evacuation Mechanism And Method
    Publication number: 20080043075
    Abstract: A valve mechanism and a method for preparing an inkjet print cartridge and printer for inactivity is herein disclosed. Pressurized fluid is introduced to a standpipe volume to create a pressure differential that forces ink within the standpipe into an ink reservoir.
    Type: Application
    Filed: October 29, 2007
    Publication date: February 21, 2008
    Inventors: Jeffrey Langford, Ross Friesen, Carrie Harris, Harold Mantooth, Donald Michael
  • Ink recirculation system
    Publication number: 20060187278
    Abstract: One embodiment of a method of storing a printhead includes opening a valve to a vent of an ink reservoir, operating a pump in a first direction to pull ink from the ink reservoir through said valve, and pumping the ink pulled from the ink reservoir to an ink supply container.
    Type: Application
    Filed: February 18, 2005
    Publication date: August 24, 2006
    Inventors: Jeffrey Langford, Donald Michael, Kris English, Carrie Harris
  • Printhead evacuation mechanism and method
    Publication number: 20060164470
    Abstract: A valve mechanism and a method for preparing an inkjet print cartridge and printer for inactivity is herein disclosed. Pressurized fluid is introduced to a standpipe volume to create a pressure differential that forces ink within the standpipe into an ink reservoir.
    Type: Application
    Filed: January 21, 2005
    Publication date: July 27, 2006
    Inventors: Jeffrey Langford, Ross Friesen, Carrie Harris, Harold Mantooth, Donald Michael
  • Ink delivery system and a method for replacing ink
    Publication number: 20060092243
    Abstract: An ink delivery system having a fluid supply and a printhead assembly, separate from and in fluid communication with the fluid supply. A primary flow path is configured to facilitate the delivery of fluid from the fluid supply to the printhead assembly, and a return flow path, at least partially separate from the primary flow path, is configured to facilitate the evacuation of fluid from the printhead assembly.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 4, 2006
    Inventors: Jeffrey Langford, Harold Mantooth, Carrie Harris