Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Thomas Ruehl — 5 Patents

Basf Se: 5 patents #3,244 of 13,826Top 25%
Ludwigshafen, DE: #594 of 1,722 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Thomas Ruehl has been granted 5 US patents while listed as an inventor at Basf Se. The first was granted in 1993 and the most recent in July 2008. Thomas Ruehl ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Thomas Ruehl in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 1993 to 2008Bar chart with a peak of 1 patents in 1993.peak 11993: 1 patents19931994: 1 patents19941995: 1 patents19951996: 1 patents19962008: 1 patents2008

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7402288 Reactor for testing catalyst systems Gerhard Olbert, Torsten Mattke, Matthias Kummer, Frank Rosowski 2008-07-22
5536854 Preparation of 2-methyl-1,4-butanediol and 3-methyltetrahydrofuran Hans-Juergen Weyer, Rolf Fischer, Franz Merger, Juergen Frank, Jochem Henkelmann +1 more 1996-07-16
5395960 Preparation of vinyl carboxylates Marc Heider, Jochem Henkelmann 1995-03-07
5296614 Preparation of phthalides Jochem Henkelmann, Horst Zimmermann 1994-03-22
5252755 Preparation of 4-hydroxymethyltetrahydropyrans Jochem Henkelmann, Horst Zimmermann, Norbert Goetz, Wolfgang Spiegler, Thomas Kuekenhoehner 1993-10-12