HH

Holger Hochgraef

SA Siemens Aktiengesellschaft: 7 patents #1,726 of 22,248Top 8%
📍 Königs Wusterhausen, DE: #4 of 70 inventorsTop 6%
Overall (All Time): #755,613 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7092228 Low-voltage power breaker with a rating plug Jeffrey C. Mizener 2006-08-15
6897758 Method for reproducing direct currents and a direct current transformer for carrying out said method Ulrich Baumgaertl, Henry Franke, Wolfgang Roehl 2005-05-24
6809913 Low-voltage circuit breaker comprising a data memory Michael Jankowiak, Jeffery C. Mizener, Aron-Ernst Musiol, Andreas Pancke, Hans Rehaag +2 more 2004-10-26
6617858 Method and circuit for measuring a current Ulrich Baumgaertl, Wolfgang Rohl 2003-09-09
6603649 Electronic tripping device for a circuit breaker Thomas Müller, Ulrich Baumgartl, Wolfgang Rohl 2003-08-05
6597552 Method for preventing making on electrical short circuits existing in branches and corresponding device Gerd Griepentrog, Reinhard Maier 2003-07-22
6147847 Circuit arrangement for detecting the current of a current conductor in order to activate electronically controllable tripping devices Mario Wegener 2000-11-14