Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SK

Stefan Kah — 2 Patents

Basf Se: 1 patents #8,065 of 13,826Top 60%
EXExergyn: 1 patents #72 of 205Top 40%
Hannover, DE: #650 of 1,900 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Stefan Kah has been granted 2 US patents while listed as an inventor at Basf Se. The first was granted in 2009 and the most recent in October 2016. Stefan Kah ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Stefan Kah in Hannover, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9468915 Selective catalytic reduction catalyst system Marius Vaarkamp, Edgar Viktor Huennekes, Arne Kuhlmann 2016-10-18
7578861 Reformer and process for reacting fuel and oxidizer into reformate Matthias Jahn, Marco Muehlner, Andreas Lindermeir, Sena Kavurucu 2009-08-25