Twardzik; Rene

Patent Applications and Registrations

Patent applications and USPTO patent grants for Twardzik; Rene.The latest application filed is for "load driving circuit and illumination apparatus including the same".

Company Profile

0.12.7

Twardzik; Rene - Traunreut DE
Twardzik; Rene - Traunreuth 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
Load driving circuit and illumination apparatus including the same Grant 9,832,823 - Twardzik November 28, 2	2017-11-28
Load Driving Circuit And Illumination Apparatus Including The Same App 20160219659 - Twardzik; Rene	2016-07-28
Casing for electronic ballast Grant 8,861,206 - Tiso , et al. October 14, 2	2014-10-14
Detect method for step dimming selection Grant 8,836,238 - Gao , et al. September 16, 2	2014-09-16
Casing For Electronic Ballast App 20120002384 - Tiso; Michele ; et al.	2012-01-05
Detect Method For Step Dimming Selection App 20100213848 - Gao; Wei ; et al.	2010-08-26
Apparatus for safely connecting the lamp to the equipment voltage ground Grant 7,439,680 - Gao , et al. October 21, 2	2008-10-21
Apparatus for safely connecting the lamp to the equipment voltage ground App 20060267519 - Gao; Ange ; et al.	2006-11-30
Circuit arrangement and operating device for operating lamps Grant 7,061,190 - Twardzik June 13, 2	2006-06-13
Circuit arrangement for operating light sources Grant 7,053,563 - Hoo , et al. May 30, 2	2006-05-30
Circuit arrangement and operating device for operating lamps App 20050285545 - Twardzik, Rene	2005-12-29
Circuit arrangment for operating light sources App 20050151481 - Hoo, Henry ; et al.	2005-07-14
Ballast for operating at least one low-pressure discharge lamp Grant 6,717,371 - Klier , et al. April 6, 2	2004-04-06
Ballast for operating at least one low-pressure discharge lamp App 20030015974 - Klier, Juergen ; et al.	2003-01-23
Inductance element Grant 6,191,677 - Orben , et al. February 20, 2	2001-02-20
Electronic ballast with inrush current limiting Grant 6,078,144 - Twardzik June 20, 2	2000-06-20
Switched-mode power supply having signal evaluation unit connected to a charging inductor Grant 6,044,000 - Twardzik March 28, 2	2000-03-28

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