Patents by Inventor Alfons Jakob Grobben

Alfons Jakob Grobben 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).

  • Printer including temperature controlled LED recording heads
    Patent number: 5751327
    Abstract: An electrophotographic printer includes a plurality of recording heads connected in series in a closed cooling circuit. Each of the recording heads includes a linear array of light-emitting diodes (LEDs) on a common thermally conductive LED carrier bar. The carrier bar carries a series of modules, each module containing N LEDs with their associated drivers. The carrier bar is provided with a U-shaped duct inside a thermally conductive body which is in thermally conductive contact with the carrier bar. The duct extends between a fluid inlet and a fluid outlet and has a cooling fluid such as water flowing therethrough.
    Type: Grant
    Filed: June 8, 1994
    Date of Patent: May 12, 1998
    Assignee: Xeikon N.V.
    Inventors: Etienne Marie De Cock, Lucien Amede De Schamphelaere, Alfons Jakob Grobben