Patents by Inventor Peter Wilhelmus Hubertus Engels

Peter Wilhelmus Hubertus Engels 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 array
    Patent number: 5854645
    Abstract: An inkjet array for a printer includes a number of elements. Each element has an ink chamber and an ink provider, and a piezo-actuator rigidly secured to one side of the ink chamber. The ink chamber is brought into motion in response to an image signal whereby an ink droplet is ejected from a nozzle of the ink chamber. Each of the ink chambers of the array can be brought into motion separately.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: December 29, 1998
    Assignee: Oce-Nederland B.V.
    Inventors: Bontko Witteveen, Frederik Maria Van Beek, Peter Wilhelmus Hubertus Engels