Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Bernd Derber — 2 Patents

Basf Se: 2 patents #5,851 of 13,826Top 45%
Schifferstadt, DE: #295 of 580 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bernd Derber has been granted 2 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in January 1993. Bernd Derber ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bernd Derber in Schifferstadt, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5182372 Aniline-based oil-soluble azo dyes Guenter Hansen, Helmut Reichelt, Christos Vamvakaris, Georg Zeidler 1993-01-26
4904765 Dye mixtures containing an oil-soluble dye and an acid-extractable dye Rudolf Denninger 1990-02-27