Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MA

Markus Amtmann

Siemens Aktiengesellschaft: 4 patents #3,516 of 22,248Top 20%
MGMahle International Gmbh: 1 patents #783 of 1,650Top 50%
Trochtelfingen, DE: #11 of 95 inventorsTop 15%
Overall (All Time): #990,211 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9562458 Filter insert Hans Erlach, Werner Schadler 2017-02-07
6558520 Circuit configuration for generating a virtual ground Stephan Bolz, Jürgen Rössler 2003-05-06
6447660 Circuit configuration for controlling a pump current of an exhaust probe in a motor vehicle Stephan Bolz, Jürgen Rössler 2002-09-10
6347277 Method and device for calibrating a probe system Stephan Bolz, Jürgen Rössler 2002-02-12
6317681 Method for monitoring the operation of sensors in an internal combustion engine, and electronic controller operating in accordance with the method Mark Elliott, Gerhard Fischer, Thomas Haug, Stephan Bolz, Roger Rouphael 2001-11-13