Patents by Inventor Garry Liddell

Garry Liddell 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 dispenser including an improved pressure regulator
    Patent number: 7350908
    Abstract: One embodiment of a fluid cartridge includes a fluid chamber including an interior for holding fluid and an exterior in communication with an ambient air pressure, and a pressure regulator aperture extending between the interior and the exterior of the fluid chamber, the pressure regulator aperture including a plurality of curved facets concave with respect to an elongate axis of the aperture.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: April 1, 2008
    Inventors: Ashley E Childs, Karen St Martin, Garry Liddell, Eric S. Dod
  • Fluid dispenser including an improved pressure regulator
    Publication number: 20060187281
    Abstract: One embodiment of a fluid cartridge includes a fluid chamber including an interior for holding fluid and an exterior in communication with an ambient air pressure, and a pressure regulator aperture extending between the interior and the exterior of the fluid chamber, the pressure regulator aperture including a plurality of curved facets concave with respect to an elongate axis of the aperture.
    Type: Application
    Filed: February 24, 2005
    Publication date: August 24, 2006
    Inventors: Ashley Childs, Karen Martin, Garry Liddell, Eric Dod