PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCH GLUHLAMPEN MBH
Patent Owner
Stats
- 313 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 07, 2014 most recent publication
Details
- 313 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 8,559 Total Citation Count
- Dec 05, 1977 Earliest Filing
- 544 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
8624801 Pixel structure having a transistor gate voltage set by a reference voltageJan 19, 07Jan 07, 14[G09G]
7656099 Circuit arrangement for operating high-pressure discharge lamps and operating method for a high-pressure discharge lampApr 14, 05Feb 02, 10[H05B]
7481951 Luminescent powder, method for producing the luminescent powder and luminescent body provided with luminescent powderMay 28, 03Jan 27, 09[C09K]
7459661 System for evaluating luminance and movement within an observation space, and method for controlling light sources within the observation spaceSep 15, 05Dec 02, 08[G01J]
7459854 High-pressure discharge lamp with improved discharge vessel structureAug 25, 05Dec 02, 08[H01J]
7456558 Electric incandescent lamp provided with different pitch factors for each end of a filament componentAug 02, 05Nov 25, 08[H01K]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2010/0141,145 BASE FOR A HIGH-PRESSURE DISCHARGE LAMP, AND HIGH-PRESSURE DISCHARGE LAMP.AbandonedAug 04, 06Jun 10, 10[H01J]
7671545 Device and method for operating a high-pressure discharge lampExpiredApr 12, 06Mar 02, 10[H05B]
7560878 Circuit arrangement and method for operating high-pressure discharge lampsExpiredJun 09, 06Jul 14, 09[G05F]
2009/0079,317 Electric Lamp Comprising Holding Knobs for the Luminous ElementAbandonedSep 20, 06Mar 26, 09[H01J, H01K]
7468526 Semiconductor device, method of fabricating same, and electrooptical deviceExpiredMay 25, 04Dec 23, 08[H01L]
7460378 Overload protection arrangement for electronic converters, for instance for halogen lampsExpiredFeb 23, 06Dec 02, 08[H02H]
7445534 Method of sealing a lamp by deformation of a pinch region using high-energy radiationExpiredJun 09, 05Nov 04, 08[H01J]
7446463 Solder-free contact-making of dielectrically impeded discharge lampsExpiredJul 21, 05Nov 04, 08[H01J]
7443106 Circuit with switch-off device for the operation of light sourcesExpiredJun 14, 05Oct 28, 08[H05B]
2008/0238,322 Structural unit for an electric lamp with an outer bulbAbandonedMar 31, 08Oct 02, 08[H01J]
7408295 Mercury amalgams for elevated temperatures in discharge lampsExpiredApr 11, 05Aug 05, 08[H01J]
7396270 Method for producing a frosted envelope for a high-pressure discharge lampExpiredFeb 04, 05Jul 08, 08[H01J]
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