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USPTO Patent Rankings Data through Dec 31, 2025
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Gunther Brenner — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Erkrath, DE: #127 of 307 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Gunther Brenner has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in September 1981. Gunther Brenner ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Gunther Brenner in Erkrath, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4291037 7-(Oxoalkyl)-1,3-di-n-iso-propyl xanthines and their production Joachim Goring, Eskendar Ali Khan, Oskar Rohte, Manfred Tauscher 1981-09-22
4242345 7-(Oxoalkyl)-1,3-dialkyl xanthines, and medicaments containing them Joachim Goring, Eskendar Ali Khan, Oskar Rohte, Manfred Tauscher 1980-12-30