Patents by Inventor Markus Kolodziejczyk

Markus Kolodziejczyk 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 mercury discharge lamp
    Patent number: 7973476
    Abstract: The invention relates to a high-pressure mercury discharge lamp for DC operation at a nominal wattage of more than 1.5 kW. Said high-pressure mercury discharge lamp comprises an anode, at least some areas of which are made of a material containing at least some tungsten, said material having a grain number of more than 200 grains per mm2 and a density of more than 19.05 g/cm3.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: July 5, 2011
    Assignee: OSRAM Gesellschaft mit beschränkter Haftung
    Inventors: Rainer Koger, Markus Kolodziejczyk, Wolfgang Spielmann
  • HIGH-PRESSURE MERCURY DISCHARGE LAMP
    Publication number: 20090289550
    Abstract: The invention relates to a high-pressure mercury discharge lamp for DC operation at a nominal wattage of more than 1.5 kW. Said high-pressure mercury discharge lamp comprises an anode, at least some areas of which are made of a material containing at least some tungsten, said material having a grain number of more than 200 grains per mm2 and a density of more than 19.05 g/cm3.
    Type: Application
    Filed: December 17, 2007
    Publication date: November 26, 2009
    Inventors: Rainer Koger, Markus Kolodziejczyk, Wolfgang Spielmann
  • Electrode for a Discharge Lamp and a Method for Producing Such an Electrode
    Publication number: 20090121634
    Abstract: The invention relates to an electrode for a discharge lamp (I) with a cylindrical shaft (12) and a tip (11) which adjoins the cylindrical shaft (12), wherein a first material region (13) forming a core is formed in the longitudinal direction (A) of the electrode (1), and the core is surrounded, at least in regions, by a second material region (14) forming a casing. The invention also relates to a discharge lamp having such an electrode and to a method for producing an electrode for a discharge lamp.
    Type: Application
    Filed: May 14, 2007
    Publication date: May 14, 2009
    Applicant: OSRAM Gesellschaft mit beschrankter Haftung
    Inventors: Rainer Koger, Markus Kolodziejczyk, Lars Menzel, Klaus Stedele
  • Reflector lamp
    Publication number: 20070018550
    Abstract: A reflector lamp is disclosed that has an integral lamp, in particular a high pressure discharge lamp, that is surrounded at least partially by a reflector, the reflector being connected to a base via a reflector neck and having a light exit opening. According to the invention, the light exit opening of the reflector is covered at least partially indirectly or directly by a cover disk arrangement that has an optical spectral filter that absorbs or reflects undesired optical spectra.
    Type: Application
    Filed: July 12, 2006
    Publication date: January 25, 2007
    Applicant: Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
    Inventor: Markus Kolodziejczyk