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

Friedhelm Teich — 6 Patents

Basf Se: 6 patents #2,778 of 13,826Top 25%
Karlsruhe, DE: #245 of 1,998 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Friedhelm Teich has been granted 6 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in December 2013. Friedhelm Teich ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Friedhelm Teich in Karlsruhe, DE.

Patents per Year

Patents granted per year, 1990 to 2013Bar chart with a peak of 1 patents in 1990.peak 11990: 1 patents19901992: 1 patents19921998: 1 patents19982002: 1 patents20022003: 1 patents20032013: 1 patents2013

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8609894 Process for preparing aminopolycarboxylates Robert Baumann, Markus Christian Biel, Axel Franzke, Alfred Oftring, Paul Klingelhoefer +1 more 2013-12-17
6516537 Method for drying and producing microporous particles Heiner Schelling, Herbert Köster, Horst Kratzer, Wolfgang Reichert, Martin Gall +1 more 2003-02-11 $353,000
6438867 Method for drying and producing microporous particles and a drying device Heiner Schelling, Herbert Köster, Horst Kratzer, Wolfgang Reichert, Martin Gall +1 more 2002-08-27 $356,000
5738801 Hydrophobic silica aerogels Bernd Ziegler, Norbert Mronga, Gunter Herrmann 1998-04-14
5153356 Aminobenzophenonesulfonic acids Gunther Lamm 1992-10-06
4956464 Preparation of dihydroquinacridones, quinacridones and quinacridonequinones Herbert Bender, Horst Colberg, Reinhard Kemper 1990-09-11