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USPTO Patent Rankings Data through Dec 31, 2025
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Birgit GERKE — 5 Patents

Basf Se: 4 patents #3,853 of 13,826Top 30%
Ludwigshafen, DE: #594 of 1,722 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Birgit GERKE has been granted 5 US patents while listed as an inventor at Basf Se. The first was granted in 2024 and the most recent in December 2025. Birgit GERKE ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Birgit GERKE in Ludwigshafen, DE.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12506142 Process for the purification of lithium salts Wolfgang Rohde, Regina Vogelsang, Kerstin Schierle-Arndt, Matthias VOGES, Anne-Marie Caroline Zieschang +1 more 2025-12-23
12410493 Process for the recovery of lithium from waste lithium ion batteries Wolfgang Rohde, Kerstin Schierle-Arndt, Torben Adermann, Matthias VOGES, Regina Vogelsang 2025-09-09
12412942 Battery recycling by reduction and carbonylation Wolfgang Rohde, Torben Adermann, Kerstin Schierle-Arndt, Nuria Huguet Subiela, Andreas Kempter 2025-09-09
12312654 Process for the recovery of lithium and other metals from waste lithium ion batteries Wolfgang Rohde, Regina Vogelsang, Matthias VOGES, Kerstin Schierle-Arndt, Fabian Seeler +1 more 2025-05-27
12134803 Process for the recycling of spent lithium ion cells Wolfgang Rohde, Torben Adermann, Kerstin Schierle-Arndt 2024-11-05