Patents by Inventor Winston D. Couvbenberg

Winston D. Couvbenberg 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: 4335330
    Abstract: Low-pressure mercury vapor discharge lamps provided with a luminescent layer and having a relatively high power consumption. Lamps are loaded by at least 500 W per m.sup.2 surface area of the luminescent layer. In some embodiments the lamps have a nominal length of 60 to 150 cm and consume a nominal power of 0.25 to 0.50 W per cm length of the discharge tube.
    Type: Grant
    Filed: February 12, 1980
    Date of Patent: June 15, 1982
    Assignee: U.S. Philips Corporation
    Inventors: Robert C. Peters, Louis E. Vrenken, Winston D. Couvbenberg, Franciscus A. S. Ligthart