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

Alexander Duefert — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Ludwigshafen, DE: #781 of 1,722 inventorsTop 50%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Alexander Duefert has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2018 and the most recent in February 2021. Alexander Duefert ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Alexander Duefert in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 2018 to 2021Bar chart with a peak of 1 patents in 2018.peak 12018: 1 patents20182019: 1 patents20192021: 1 patents2021

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10927066 Process for hydrogenating a mixture in the presence of a colorless amine Andreas Weickgenannt, Silvia TAURO, Viktor Ladnak, Kai Thiele 2021-02-23
10308623 Method for producing tetrahydrofurane, 1,4-butanediol or gamma-butyrolactone Rolf Pinkos, Wolf-Steffen Weissker 2019-06-04
10077223 Method for producing monoethylene glycol Rolf Pinkos, Michael REISER, Philipp Brüggemann, Gerhard Theis 2018-09-18