Patents by Inventor Jozef Merx

Jozef Merx 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).

  • Lamp comprising a conductor embedded in the quartz glass envelope of the lamp
    Patent number: 9953824
    Abstract: A lamp comprising an envelope (1) of quartz glass surrounding the light source of the lamp is described, wherein an electric conductor (8), for example, an electrode rod, is at least partly embedded in the quartz glass material of the envelope (1). At the conductor (8) is provided with protrusions (15) forming a brush-like structure at this surface. The protrusions (15) preferably have an average length of between 10 ?m and 35 ?m.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: April 24, 2018
    Assignee: Lumileds LLC
    Inventors: Francis Martin Jozef Deprez, Jozef Merx
  • Method for manufacturing a double tube discharge lamp
    Patent number: 8262428
    Abstract: A method for manufacturing a discharge lamp comprising at least two tubes or bulbs is disclosed.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: September 11, 2012
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Norbert Lesch, Jozef Merx, Gerald Scholak
  • Method for the thermal treatment of tungsten electrodes free from thorium oxide for high-pressure discharge lamps
    Patent number: 8087966
    Abstract: The invention relates to a method for the thermal treatment of tungsten electrodes having a fibrous mocrostructure and being free from thorium oxide for high-pressure discharge lamps, to such a tungsten electrode free from thorium oxide, to a method of manufacturing a high-pressure gas discharge lamp with at least one such tungsten electrode free from thorium oxide, to a high-pressure gas discharge lamp with at least one such tungsten electrode free from thorium oxide, and to a lighting unit with at least one such high-pressure gas discharge lamp.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: January 3, 2012
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Gerhard Hebbinghaus, Jozef Merx
  • Lamp with an improved lamp behaviour
    Patent number: 7733026
    Abstract: The invention relates to a Hg free high pressure discharge lamp having a quartz envelope and a halide filling, wherein the lamp comprises at least one electrode which comprises tungsten and ?0 wt. % and ?0.5 wt. % thorium and whereby the lamp comprises at least one Mo-containing lead-in wire and/or foil whereby the Mo containing wire and/or foil comprises TiO2 and having a characteristic life time of ?2500 h and ?7500 h according to the EU Carmaker cycle test.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: June 8, 2010
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Gerhard Hebbinghaus, Jozef Merx
  • METHOD FOR THE THERMAL TREATMENT OF TUNGSTEN ELECTRODES FREE FROM THORIUM OXIDE FOR HIGH-PRESSURE DISCHARGE LAMPS
    Publication number: 20090302764
    Abstract: The invention relates to a method for the thermal treatment of tungsten electrodes having a fibrous mocrostructure and being free from thorium oxide for high-pressure discharge lamps, to such a tungsten electrode free from thorium oxide, to a method of manufacturing a high-pressure gas discharge lamp with at least one such tungsten electrode free from thorium oxide, to a high-pressure gas discharge lamp with at least one such tungsten electrode free from thorium oxide, and to a lighting unit with at least one such high-pressure gas discharge lamp.
    Type: Application
    Filed: April 15, 2005
    Publication date: December 10, 2009
    Applicant: Koninklijke Philips Electronics, N.V.
    Inventors: Gerhard Hebbinghaus, Jozef Merx
  • Lamp with an Improved Lamp Behaviour
    Publication number: 20080297052
    Abstract: The invention relates to a Hg free high pressure discharge lamp having a quartz envelope and a halide filling, wherein the lamp comprises at least one electrode which comprises tungsten and ?0 wt. % and ?0.5 wt.-% thorium and whereby the lamp comprises at least one Mo-containing lead-in wire and/or foil whereby the Mo containing wire and/or foil comprises TiO2 and having a characteristic life time of ?2500 h and ?7500 h according to the EU Carmaker cycle test.
    Type: Application
    Filed: July 1, 2005
    Publication date: December 4, 2008
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Gerhard Hebbinghaus, Jozef Merx
  • Method for Manufacturing a Double Tube Discharge Lamp
    Publication number: 20080261479
    Abstract: A method for manufacturing a discharge lamp comprising at least two tubes or bulbs is disclosed.
    Type: Application
    Filed: December 13, 2006
    Publication date: October 23, 2008
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Norbert Lesch, Jozef Merx, Gerald Scholak