Patents by Inventor Jan De Laet

Jan De Laet 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).

  • Electric Lamp With Electrode Rods Having Longitudinal Grooves
    Publication number: 20080185950
    Abstract: An electric lamp provided with a bulb (1) of quartz glass and a metal electrode rod (3;21,22). The electrode rod (3;21,22) is at least partly embedded in the quartz glass material of the bulb. At least a major part of the surface of the electrode rod (3;21,22) that is in contact with the quartz glass material is provided with grooves (6) having a substantially longitudinal direction.
    Type: Application
    Filed: January 24, 2006
    Publication date: August 7, 2008
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Peter Claus, Ger Van Hees, Jan De Laet, Luc Smets