Sowa; Wolfram

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sowa; Wolfram.The latest application filed is for "electronic ballast for operating at least one discharge lamp".

Company Profile

0.11.10

Sowa; Wolfram - Munich N/A DE
Sowa; Wolfram - Muenchen DE
Sowa; Wolfram - Munchen 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
Electronic ballast for operating at least one discharge lamp Grant 8,587,210 - Gerber , et al. November 19, 2	2013-11-19
Circuit arrangement for conversion of an input AC voltage to a DC voltage, retrofit lamp having a circuit arrangement such as this, as well as a lighting system Grant 8,390,209 - Dellian , et al. March 5, 2	2013-03-05
Electronic ballast for operating at least one discharge lamp App 20120112653 - Gerber; Maximilian ; et al.	2012-05-10
Switch-off time regulation system for an inverter for driving a lamp Grant 8,054,003 - Sowa November 8, 2	2011-11-08
Circuit Arrangement For Conversion Of An Input Ac Voltage To A Dc Voltage, Retrofit Lamp Having A Circuit Arrangement Such As This, As Well As A Lighting System App 20100201285 - Dellian; Harald ; et al.	2010-08-12
Switch-Off Time Regulation System for an Inverter for Driving a Lamp App 20090295299 - Sowa; Wolfram	2009-12-03
Control circuit for converters Grant 7,564,673 - Schallmoser , et al. July 21, 2	2009-07-21
Circuit arrangement having a full bridge with switching load relief for operating lamps Grant 7,394,207 - Franck , et al. July 1, 2	2008-07-01
Control Circuit for Converters App 20080151586 - Schallmoser; Oskar ; et al.	2008-06-26
Converter circuit having class E converter modules Grant 7,274,578 - Lecheler , et al. September 25, 2	2007-09-25
Converter circuit having class E converter modules App 20060076903 - Lecheler; Reinhard ; et al.	2006-04-13
Circuit arrangement having a full bridge with switching load relief for operating lamps App 20060006819 - Franck; Felix ; et al.	2006-01-12
Starting device for a high-pressure discharge lamp, and an illuminating system App 20050184678 - Rupp, Arnulf ; et al.	2005-08-25
Ballast and method for operating a lamp Grant 6,768,271 - Busse , et al. July 27, 2	2004-07-27
Device and method for preheating the coil electrodes of a fluorescent lamp Grant 6,747,418 - Sowa June 8, 2	2004-06-08
Operating device for gas discharge lamps App 20040012345 - Busse, Olaf ; et al.	2004-01-22
Ballast for a lamp and method for operating a ballast for a lamp App 20030137256 - Busse, Olaf ; et al.	2003-07-24
Device and method for preheating the coil electrodes of a fluorescent lamp App 20030052620 - Sowa, Wolfram	2003-03-20
Fluorescent lamp operating circuit, permitting dimming of the lamp Grant 5,493,182 - Sowa , et al. February 20, 1	1996-02-20

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