Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Andreas Kempter — 7 Patents

Basf Se: 5 patents #3,244 of 13,826Top 25%
Ludwigshafen, DE: #466 of 1,722 inventorsTop 30%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Andreas Kempter has been granted 7 US patents while listed as an inventor at Basf Se. The first was granted in 2015 and the most recent in December 2025. Andreas Kempter ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Andreas Kempter in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 2015 to 2025Bar chart with a peak of 4 patents in 2025.peak 42015: 1 patents20152016: 1 patents20162021: 1 patents20212025: 4 patents2025

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12503429 Process for manufacturing alkanesulfonic acids Frank PIEPENBREIER, Chee Jian CHAN, Rosario MAZARRO BERDONCES, Kerstin Schierle-Arndt, Björn Kaibel +5 more 2025-12-23
12479795 Process for manufacturing alkanesulfonic acids Frank PIEPENBREIER, Björn Kaibel, Frieder Borgmeier 2025-11-25
12412942 Battery recycling by reduction and carbonylation Wolfgang Rohde, Torben Adermann, Kerstin Schierle-Arndt, Nuria Huguet Subiela, Birgit GERKE 2025-09-09
12269791 Process for the production of anhydrous methanesulfonic acid from methane and SO3 Frieder Borgmeier, Frank PIEPENBREIER 2025-04-08
11008256 Silica-coated expanding agents and their use in cementitious systems Radoslaw Kierat, Michael Klemens MUELLER, Oscar Lafuente Cerda, Kai BERGNER 2021-05-18
9382377 Polymer mixtures as deposit inhibitors in water-bearing systems Jürgen Detering, Torben Gädt, Stephan Nied, Bolette Urtel, Jessica Neumann 2016-07-05
9138381 Production of inorganic-organic composite materials by reactive spray-drying Max Siebert, Heidrun Debus 2015-09-22