Patents by Inventor Bernardus J. Brugman

Bernardus J. Brugman 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).

  • Faceplate cooling system for display tube
    Patent number: 4775817
    Abstract: The invention relates to a display tube which is cooled by a flow of a translucent cooling liquid through a sealed space adjacent the display window, stimulated by a fluid-driven pump having two chambers, a drive chamber driven by a remotely located active electric motor driven pump, and a pump chamber responsive to the drive chamber and connected to the sealed space. Fields generated by the motor of the electric pump do not interfere with the operation of the display tube.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: October 4, 1988
    Assignee: U.S. Philips Corporation
    Inventors: Arne L. Duwaer, Bernardus J. Brugman