Patents by Inventor Felix C. J. L. Luyckx

Felix C. J. L. Luyckx 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 with an external ignition antenna
    Patent number: 5128582
    Abstract: The invention relates to a high-pressure sodium discharge lamp in which the elongate discharge vessel is provided with an external ignition antenna consisting of a thin spiralized wire. According to the invention, an end of the antenna is fixed directly to a support member without a mandril at a location axially spaced from said discharge vessel in the extended direction of the discharge vessel and mounted elastically and with pretension over substantially its entire length.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: July 7, 1992
    Assignee: U.S. Philips Corporation
    Inventors: Felix C. J. L. Luyckx, Cornelius A. J. Jacobs, Franciscus N. G. R. Van Der Kruijs