Patents by Inventor Cliff John Cahill

Cliff John Cahill 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).

  • Impulse fluid jet apparatus with depriming protection
    Patent number: 6209997
    Abstract: An impulse ink jet print head including a compliant chamber and a check valve coupled between an ink supply and an ink chamber. The compliant chamber attenuates pressure disturbances of short duration. The check valve prevents the reverse flow of ink and depriming of the print head.
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: April 3, 2001
    Assignee: Illinois Tool Works Inc.
    Inventors: Ha Van Duong, Cliff John Cahill, Bopta Ky