Patent-Treuhand-Gesellschaft fur Elektrische Gluehlampen mbH

Patent Applications and Registrations

Patent applications and USPTO patent grants for Patent-Treuhand-Gesellschaft fur Elektrische Gluehlampen mbH.The latest application filed is for "process for encapsulating a component made of organic semiconductors".

Company Profile

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Patent-Treuhand-Gesellschaft fur Elektrische Gluehlampen mbH - Munich DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Goniophotometer Grant 7,256,880 - Binder , et al. August 14, 2	2007-08-14
Coupling element for elongate lamps and illumination system having this coupling element Grant 7,025,472 - Doll , et al. April 11, 2	2006-04-11
Process for encapsulating a component made of organic semiconductors App 20030222061 - Langer, Alfred ; et al.	2003-12-04
Illumination unit having at least one LED as light source Grant 6,657,379 - Ellens , et al. December 2, 2	2003-12-02
Protection circuit for a fluorescent lamp Grant 6,650,514 - Schmitt November 18, 2	2003-11-18
Illumination unit having at least one LED as light source App 20030030368 - Ellens, Andries ; et al.	2003-02-13
Low-resistance bipolar bridge circuit Grant 6,137,235 - Franck October 24, 2	2000-10-24
Circuit arrangement for the production of voltage pulse sequences, in particular for the operation of dielectrically impeded discharges Grant 5,831,394 - Huber , et al. November 3, 1	1998-11-03
Switching power supply for the operation of electric lamps Grant 5,740,021 - Lecheler , et al. April 14, 1	1998-04-14

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