Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stefan Rappelt — 6 Patents

ZAZf Friedrichshafen Ag: 6 patents #308 of 2,695Top 15%
Gerolzhofen, DE: #34 of 324 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Stefan Rappelt has been granted 6 US patents while listed as an inventor at Zf Friedrichshafen Ag. The first was granted in 2006 and the most recent in October 2019. Stefan Rappelt ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Stefan Rappelt in Gerolzhofen, DE.

Patents per Year

Patents granted per year, 2006 to 2019Bar chart with a peak of 2 patents in 2019.peak 22006: 1 patents20062008: 1 patents20082013: 1 patents20132014: 1 patents20142019: 2 patents2019

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10434834 Method for operating a motor vehicle, method for roll compensation of a motor vehicle, and motor vehicle Norbert Ackermann, Helmut Baalmann, Andreas Forster, Sven GREGER, Steffen Heyn +9 more 2019-10-08
10308092 Roll stabilization system for a motor vehicle Michael Triebel, Achim Thomae, Helmut Baalmann, Ernst Oswald 2019-06-04
8812191 Control device for an adjustable chassis system Wolfgang Frankenberger, Toni Schuck, Stefan Kissner 2014-08-19
8428807 Method for determining at least one displacement state of a vehicle body Andreas Gartner, Eberhard Hees 2013-04-23
7377290 Valve assembly with an integrated circuit arrangement Bernd Albert, Jürgen Lindenthal, Christina Wittwer 2008-05-27
7092841 Method for determining the absolute position of a movable component Heinz-Joachim Gilsdorf, Achim Thomae, Thomas Kutsche 2006-08-15