Patents by Inventor Marinus Cornelis Michiel Neelen

Marinus Cornelis Michiel Neelen 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: 7053535
    Abstract: A low-pressure mercury vapor discharge lamp includes a discharge vessel having two end portions. An electrode carrier is arranged in an end portion and carries an electrode for generating and maintaining a discharge in the discharge vessel. The electrode carrier is at least partly made of a bimetal or a memory metal, and is formed such that the distance between electrode and the far end of the end portion increases if the temperature of electrode carrier increases.
    Type: Grant
    Filed: May 27, 2002
    Date of Patent: May 30, 2006
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Petrus Cornelis Lauwerijssen, Marinus Cornelis Michiel Neelen, Johannes Theodorus Jacubus Van Haastrecht