Patents by Inventor Jeremy Donaldson

Jeremy Donaldson 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).

  • Particle tolerant architecture for feed holes and method of manufacturing
    Publication number: 20030142185
    Abstract: In one embodiment, a fluid ejection device comprises a substrate having a fluid slot defined from a first surface through to a second opposite surface; an ejection element formed over the first surface and that ejects fluid therefrom; and a filter having feed holes positioned over the fluid slot near the first surface. Fluid moves from the second surface through the feed holes to the ejection element. In a particular embodiment, the filter is formed of a first material that is surrounded by a second material. In another particular embodiment, the filter is formed from the back side and is formed of the same material as the substrate.
    Type: Application
    Filed: January 31, 2002
    Publication date: July 31, 2003
    Inventors: Jeremy Donaldson, Naoto A. Kawamura, Daniel A. Kearl, Donald J. Milligan, J. Daniel Smith, Martha A. Truninger, Diane Lai, Norman L. Johnson, William Edwards, Sadiq Bengali, Timothy R. Emery