WL

Walter Limmer

OH Osram Gesellschaft Mit Beschraenkter Haftung: 4 patents #26 of 318Top 9%
OG Osram Gmbh: 4 patents #169 of 946Top 20%
Overall (All Time): #349,563 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9554430 Lighting system with an interface having a power supply unit and at least one light source module Francesco Angelin, Paolo De Anna, Bernd Rudolph 2017-01-24
8884544 Method for operating a lamp and electronic ballast Thomas Rossmanith 2014-11-11
8760069 Circuit arrangement and method for operating a high pressure discharge lamp Alois Braun, Maximilian Schmidl 2014-06-24
8618739 Circuit arrangement and method for operating discharge lamps Alois Braun, Maximilian Schmidl 2013-12-31
8531122 Circuit arrangement and method for operation of a discharge lamp Alois Braun, Maximilian Schmidl 2013-09-10
8492994 Method and circuit arrangement for making a lamp wattage available for operating at least one gas discharge lamp Alois Braun, Maximilian Schmidl 2013-07-23
8089220 Circuit arrangement and method for operating a high-pressure discharge lamp Alois Braun, Joachim Mühlschlegel 2012-01-03
7541744 Electronic ballast for a high-pressure discharge lamp having a current-measuring device Alois Braun, Joachim Mühlschlegel, Markus Ziegler 2009-06-02
7145293 Electronic ballast having resonance excitation for generating a transfer voltage Alois Braun, Young G. Kang, Joachim Mühlschlegel 2006-12-05
7116084 Step-up converter having power factor correction Alois Braun, Joachim Mühlschlegel 2006-10-03
6891337 Lighting system Andreas Huber, Herbert Kästle, Peter Niedermeier 2005-05-10
6831422 Operating circuit with an improved power supply for a driver circuit 2004-12-14
6362576 Circuit arrangement for igniting a lamp Andreas Huber, Peter Niedermeier 2002-03-26
6268758 Circuit arrangement with half-bridge Andreas Huber, Peter Niedermeier 2001-07-31