Patents by Inventor Joh Lucas

Joh Lucas 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).

  • LIQUID CONTAINER WITH CAPACITY STATE SENSING
    Publication number: 20110279592
    Abstract: A liquid container for supplying liquid to a printer, the liquid container having: a body having an interior space for containing liquid to a predetermined capacity, a port through the body for delivery of liquid into the body to the predetermined capacity, an aperture through the body at which the interior space of the body is in communication with atmosphere external to the fluid container and a fluid pressure changing member between the aperture and the interior space of the body, the member being configured so that contact with the liquid being delivered via the port causes a change in the fluid pressure at the port.
    Type: Application
    Filed: May 16, 2011
    Publication date: November 17, 2011
    Inventors: Christopher Hibbard, Kent Benjamen Kwan, Edward Ellis Esdaile-Watts, Geoffrey Philip Dyer, Joh Lucas