Patents by Inventor Adrianus J. H. J. Van Zon

Adrianus J. H. J. Van Zon 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).

  • Low-pressure mercury vapor discharge lamp
    Patent number: 4383200
    Abstract: Low-pressure mercury vapor discharge lamp comprising a, preferably folded, discharge tube located within a lamp envelope and having electrodes and an electric stabilization ballast, which is partly surrounded by a thin-walled lamp base, which is connected to the envelope.In the region of the connection between the lamp base and the lamp envelope there is a metal plate for cooling the ballast, this heat sink being at the same time a mounting plate for further components in the lamp such as a starter switch.
    Type: Grant
    Filed: February 26, 1981
    Date of Patent: May 10, 1983
    Assignee: U.S. Philips Corporation
    Inventors: Adrianus J. H. J. Van Zon, Johannes R. Gelens