Lechner; Alfons

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lechner; Alfons.The latest application filed is for "circuit arrangement for operating semiconductor light sources".

Company Profile

1.7.8

Lechner; Alfons - Hohenwart 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
Circuit arrangement for operating semiconductor light sources Grant 10,219,334 - Busse , et al. Feb	2019-02-26
Circuit Arrangement For Operating Semiconductor Light Sources App 20180035499 - Busse; Olaf ; et al.	2018-02-01
Ballast for a discharge lamp with adaptive preheating Grant 8,134,297 - Busse , et al. March 13, 2	2012-03-13
Circuit arrangement and method for operating at least one electric lamp and at least one LED Grant 7,786,683 - Busse , et al. August 31, 2	2010-08-31
Ballast for a Discharge Lamp With Adaptive Preheating App 20100156299 - Busse; Olaf ; et al.	2010-06-24
Electronic ballast for a lamp Grant 7,352,079 - Heckmann , et al. April 1, 2	2008-04-01
Circuit arrangement and method for operating at least one electric lamp Grant 7,327,094 - Busse , et al. February 5, 2	2008-02-05
Smoothing circuit for improving EMC Grant 7,309,963 - Busse , et al. December 18, 2	2007-12-18
Circuit arrangement and method for operating at least one electric lamp and at least one LED App 20070210719 - Busse; Olaf ; et al.	2007-09-13
Circuit arrangement and method for operating at least one electric lamp App 20070018592 - Busse; Olaf ; et al.	2007-01-25
Circuit arrangement and method for operating at least one LED and at least one electric lamp App 20060290299 - Busse; Olaf ; et al.	2006-12-28
Smoothing circuit for improving EMC App 20060284572 - Busse; Olaf ; et al.	2006-12-21
Electronic ballast for a lamp App 20060232225 - Heckmann; Markus ; et al.	2006-10-19
Lighting system with caring preheating of gas discharge lamps Grant 6,788,001 - Lechner September 7, 2	2004-09-07
Lighting system with caring preheating of gas discharge lamps App 20020050797 - Lechner, Alfons	2002-05-02

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