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Munich, Germany

Patent-treuhand-gesellschaft Für Elektrische Glühlampen Mbh

USPTO Granted Patents = 21

Forward Citations = 295

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28 inventors (with patents filed for the assignee):

Andries Ellens (5 out of 21 patents)

Olaf Busse (4 out of 23 patents)

Günter Huber (3 out of 4 patents)

4. Felix Franck (2 out of 24 patents)

5. Markus Heckmann (2 out of 27 patents)

6. Michael Weirich (2 out of 9 patents)

7. Ugo Francescutti (2 out of 3 patents)

8. Thomas Neidlinger (2 out of 2 patents)

9. Franz Zwaschka (1 out of 18 patents)

10. Rene Twardzik (1 out of 10 patents)

11. Tim Fiedler (1 out of 41 patents)

12. Peter Helbig (1 out of 53 patents)

13. Juergen Klier (1 out of 6 patents)

14. Bernhard Reiter (1 out of 11 patents)

15. Wolfram Sowa (1 out of 9 patents)

21 patents: Sort by Forward Citations

1. 6799865 - LED-based planar light source (2004-10-05),

2. 6778373 - Rectifier circuit suited to power factor correction (2004-08-17),

3. 6768271 - Ballast and method for operating a lamp (2004-07-27),

4. 6759813 - Operating circuit for a discharge lamp with frequency-variable ignition (2004-07-06),

5. 6759804 - Illumination device with at least one LED as light source (2004-07-06),

6. 6753659 - Operating device for discharge lamps having a preheating device (2004-06-22),

7. 6744220 - Free-running circuit arrangement (2004-06-01),

8. 6744219 - Operating circuit for a discharge lamp with preheatable electrodes (2004-06-01),

9. 6741040 - Operating device for lamps with a regulated SEPIC converter (2004-05-25),

10. 6724142 - Highly efficient fluorescent material (2004-04-20),

11. 6717371 - Ballast for operating at least one low-pressure discharge lamp (2004-04-06),

12. 6710526 - Headlight lamp having base flange with three clips (2004-03-23),

13. 6707262 - Discharge lamp operating circuit having a circuit for detecting the proximity to capacitive operation (2004-03-16),

14. 6674233 - Illumination unit having at least one LED as light source (2004-01-06),

15. 6670748 - Illumination unit having at least one LED as light source (2003-12-30),

Patent-Treuhand-Gesellschaft für Elektrische Glühlampen mbH is a German company specializing in the management and licensing of patents related to electric light bulbs. They provide comprehensive services in patent administration, licensing processes, technology transfer, and intellectual property rights. With decades of expertise in the field, Patent-Treuhand-Gesellschaft für Elektrische Glühlampen mbH is a trusted partner for companies and inventors seeking effective patent management solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#117 in W-8000 Munich

#2,155 in Germany

#29,031 in the World

Munich, Germany

Patent-treuhand-gesellschaft Für Elektrische Glühlampen Mbh

Forward Citations = 295

28 inventors:

Andries Ellens (5 out of 21 patents)

Olaf Busse (4 out of 23 patents)

Günter Huber (3 out of 4 patents)

4. Felix Franck (2 out of 24 patents)

5. Markus Heckmann (2 out of 27 patents)

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