Patents by Inventor Antonie H. M. Kees

Antonie H. M. Kees 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).

  • High-pressure discharge lamp
    Patent number: 5742124
    Abstract: The invention relates to a high-pressure discharge lamp provided with a discharge vessel which encloses a discharge space, which has a ceramic wall, and which is sealed at one end by means of a projecting ceramic plug which encloses with clearance a current supply conductor to an electrode arranged in the discharge vessel and is connected to said conductor adjacent an end facing away from the discharge space in a gastight manner by means of a melting-ceramic connection. According to the invention, at least an end portion of the ceramic plug situated near the end facing away from the discharge space is impermeable to light.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: April 21, 1998
    Assignee: U.S. Phillips Corporation
    Inventors: Antonie H. M. Kees, Martinus J. M. Kessels, Fransiscus H. Van Lierop