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For the Inventor, By the Inventor

Munich, Germany

Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh


USPTO Granted Patents = 224


Forward Citations = 1,895

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212 inventors (with patents filed for the assignee):

goldMedal Frank Vollkommer (32 out of 57 patents)

silverMedal Lothar Hitzschke (31 out of 47 patents)

bronzeMedal Peter Helbig (16 out of 53 patents)

4.  Martin Zachau (10 out of 34 patents)

5.  Michael Seibold (10 out of 15 patents)

6.  Angela Eberhardt (9 out of 26 patents)

7.  Gerhard Behr (8 out of 33 patents)

8.  Guenther Hirschmann (8 out of 15 patents)

9.  Michael Ilmer (8 out of 10 patents)

10.  Felix Franck (7 out of 24 patents)

11.  Andreas Huber (7 out of 49 patents)

12.  Simon Jerebic (7 out of 8 patents)

13.  Hermann Steiner (7 out of 15 patents)

14.  Franz Zwaschka (6 out of 18 patents)

15.  Thomas Noll (6 out of 22 patents)


Core Competencies:
Dielectric Barrier Discharge Lamp
Phosphor Composition
Discharge Lamp
Illumination Device
Electronic Ballast
Light-Emitting Diode Module
Gas Discharge Lamps
Reflection Layers
Incandescent Lamp
UV Radiation
Oxidic Nanocrystals
Lighting System

224 patents:

1. 7446463 - Solder-free contact-making of dielectrically impeded discharge lamps (2008-11-04),
2. 7411349 - UV radiator having a tubular discharge vessel (2008-08-12),
3. 7334916 - Illumination device (2008-02-26),
4. 7309455 - Phosphor composition for lamps (2007-12-18),
5. 7298071 - Discharge lamp having at least one external electrode, adhesive layer, and carrier film (2007-11-20),
6. 7291979 - Dielectric barrier discharge lamp having divided electrodes (2007-11-06),
7. 7285252 - Apparatus for producing oxidic nanocrystals (2007-10-23),
8. 7278757 - Illumination system having a housing and a flat lamp arranged therein (2007-10-09),
9. 7270793 - Process for producing a phosphate of the lanthanoids, and phosphate produced thereby (2007-09-18),
10. 7267786 - Phosphor and light source comprising such a phosphor (2007-09-11),
11. 7265487 - Discharge lamp with an arrangement of phosphor layers excitable by VUV and UVA radiation (2007-09-04),
12. 7199513 - Discharge lamp having two-band phosphor (2007-04-03),
13. 7196479 - Electronic ballast having a protective circuit for a switching transistor of a converter (2007-03-27),
14. 7193355 - Reflection layers formed from an aluminum oxide particle mixture (2007-03-20),
15. 7145292 - Discharge lamp for dielectric barrier discharges, with overhanging discharge electrode sections (2006-12-05),
Patent-Treuhand-Gesellschaft für Elektrische Glühlampen mbH (PTG) is a German company that specializes in the management and licensing of patents related to electric lighting. Established in 1921, PTG has a long history of expertise in the field of lighting technology. With their in-depth understanding of patents and intellectual property rights, PTG works to protect and monetize the inventions and innovations of their clients. They offer comprehensive services in patent management, licensing, and intellectual property consulting. PTG's commitment to providing exceptional service and expertise has made them a trusted partner in the lighting industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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224 Patents

#29 in W-8000 Munich

#294 in Germany

#3,703 in the World

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Munich, Germany

Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh

Forward Citations = 1,895

212 inventors:

goldMedal Frank Vollkommer (32 out of 57 patents)

silverMedal Lothar Hitzschke (31 out of 47 patents)

bronzeMedal Peter Helbig (16 out of 53 patents)

4.  Martin Zachau (10 out of 34 patents)

5.  Michael Seibold (10 out of 15 patents)

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