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

Birgit Kuhn — 5 Patents

BCBayer Cropscience: 2 patents #452 of 1,202Top 40%
Hoechst Gmbh: 2 patents #1,574 of 4,020Top 40%
BHBayer Healthcare: 1 patents #4,623 of 8,007Top 60%
Kelkheim, DE: #139 of 511 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Birgit Kuhn has been granted 5 US patents while listed as an inventor at Bayer Cropscience. The first was granted in 1997 and the most recent in July 2022. Birgit Kuhn ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Birgit Kuhn in Kelkheim, DE.

Patents per Year

Patents granted per year, 1997 to 2022Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19971998: 1 patents19982013: 1 patents20132017: 1 patents20172022: 1 patents2022

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11390589 Herbicidally active substituted phenylpyrimidines Hartmut Ahrens, Stefan Schnatterer, Dirk Schmutzler, Hansjoerg Dietrich, Anu Bheemaiah MACHETTIRA +2 more 2022-07-19
9585392 3-phenylisoxazolin derivatives with herbicidal action Lothar Willms, Thomas Frenzel, Klaus Bernhard Haaf, Stephen David Lindell, Hansjörg Dietrich +3 more 2017-03-07
8394991 Phenoxy substituted phenylamidine derivatives and their use as fungicides Klaus Kunz, Ralf Dunkel, Joerg Greul, Kerstin Ilg, Wahed Ahmed Moradi +9 more 2013-03-12
5728696 Acaricidal, insecticidal and nematicidal substituted (hetero)arylalkyl ketone oxime O-ethers, processes for their preparation, agents containing them, and their use as pesticides Gerhard Salbeck, Uwe Doller, Stefan Schnatterer, Hans H. Schubert, Werner Knauf +2 more 1998-03-17 $400,000
5646147 Acaricidal, insecticidal and nematicidal substituted (hetero)arylalkyl ketone oxime O-ethers, processes for their preparation, agents containing them, and their use as pesticides Gerhard Salbeck, Uwe Doller, Stefan Schnatterer, Hans H. Schubert, Werner Knauf +2 more 1997-07-08