Patents by Inventor Robert Jason Bartlett

Robert Jason Bartlett 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).

  • Membrane divided foam for use in an ink jet cartridge
    Patent number: 7918550
    Abstract: Embodiment of the invention provide an ink jet cartridge for an ink jet printing device. In one embodiment, an ink jet cartridge can include a cartridge body operable to store ink jet printer ink for dispensing from the cartridge. The cartridge can further include at least one dispensing outlet operable to permit ink to be dispensed from the cartridge body. In addition, the cartridge can include a first foam portion positioned adjacent to the at least one dispensing outlet and operable to retain ink within the cartridge body until dispensed from the cartridge body. The cartridge can also include a second foam portion. Furthermore, the cartridge can include at least one membrane disposed between the first foam portion and the second foam portion, wherein the at least one membrane is operable to inhibit ink flow between the first foam portion and the second foam portion.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: April 5, 2011
    Assignee: Lexmark International, Inc.
    Inventors: Robert Jason Bartlett, Renee Noel Lacy, Ryan S Reed, Herbert Gordon Toews, III, Jason David Williams
  • Membrane Divided Foam For use In An Ink Jet Cartridge
    Publication number: 20080239032
    Abstract: Embodiment of the invention provide an ink jet cartridge for an ink jet printing device. In one embodiment, an ink jet cartridge can include a cartridge body operable to store ink jet printer ink for dispensing from the cartridge. The cartridge can further include at least one dispensing outlet operable to permit ink to be dispensed from the cartridge body. In addition, the cartridge can include a first foam portion positioned adjacent to the at least one dispensing outlet and operable to retain ink within the cartridge body until dispensed from the cartridge body. The cartridge can also include a second foam portion. Furthermore, the cartridge can include at least one membrane disposed between the first foam portion and the second foam portion, wherein the at least one membrane is operable to inhibit ink flow between the first foam portion and the second foam portion.
    Type: Application
    Filed: March 28, 2007
    Publication date: October 2, 2008
    Inventors: Robert Jason Bartlett, Renee Noel Lacy, Ryan S. Reed, Herbert Gordon Toews, Jason David Williams