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USPTO Patent Rankings Data through Dec 31, 2025
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Eckard Stroefer — 2 Patents

Basf Se: 2 patents #5,851 of 13,826Top 45%
Mannheim, DE: #955 of 2,026 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Eckard Stroefer has been granted 2 US patents while listed as an inventor at Basf Se. The first was granted in 2007 and the most recent in June 2008. Eckard Stroefer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Eckard Stroefer in Mannheim, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7390932 Method for preparing highly concentrated, gaseous formaldehydes Neven Lang, Ulrich Steinbrenner, Hans Hasse, Michael Ott, Thomas Grützner 2008-06-24
7273955 Method for thermal stabilization of highly concentrated formaldehyde solutions Thomas Grützner, Hans Hasse 2007-09-25