Patents by Inventor Hannelore Herremans

Hannelore Herremans 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 Sodium Lamp
    Publication number: 20070228993
    Abstract: The invention is related to high pressure sodium lamp having a nominal power Pla. The lamp, which is designed to be operated at a very high frequency (VHF), has a discharge tube with a ceramic wall and an internal vessel diameter Dint, which encloses a discharge space in which a pair of electrodes at a mutual electrode distance ed and a filling of Na-amalgam with a sodium mol fraction (smf). According to the invention the discharge tube has a ratio ed/Dint of at most 7, preferably between about 5.5 and 4.0.
    Type: Application
    Filed: April 5, 2005
    Publication date: October 4, 2007
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Cindy Stuer, Jerzy Janczak, Hannelore Herremans, Josephus Hendricx