Patents by Inventor Terry Rowlison

Terry Rowlison 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).

  • Inkjet cartridge refilling machine and method
    Patent number: 7344215
    Abstract: The present invention relates to inkjet cartridges, and more specifically, to a machine and process for use in refilling such inkjet cartridges.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: March 18, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Clayton R. Cutler, Richard Hoehn, Gary Rajcula, Terry Rowlison, Sergio Tonini, Zlatko Vujic, Allen Luthy
  • Inkjet cartridge refilling machine with improved refill process
    Publication number: 20070285475
    Abstract: A method and apparatus is provided for refilling an ink reservoir associated with an ink jet printer cartridge containing foam material in the ink chamber of the cartridge. The method employs a two cycle process, the first filling cycle occurring under vacuum and the subsequent filling cycle operating under substantially atmospheric conditions. The method improves the page yield of the refilled cartridge, as compared to cartridges refilled with the same ink under vacuum alone.
    Type: Application
    Filed: April 2, 2007
    Publication date: December 13, 2007
    Inventors: E. Mariano Freire, Zlatko Vujic, Sergio Tonini, Terry Rowlison, Richard Hoehn
  • Inkjet cartridge refilling machine and method
    Publication number: 20060109320
    Abstract: The present invention relates to inkjet cartridges, and more specifically, to a machine and process for use in refilling such inkjet cartridges.
    Type: Application
    Filed: September 28, 2005
    Publication date: May 25, 2006
    Inventors: Clayton Cutler, Richard Hoehn, Gary Rajcula, Terry Rowlison, Sergio Tonini, Zlatko Vujic, Allen Luthy