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

Oskar Zelder — 64 Patents

Basf Se: 52 patents #129 of 13,826Top 1%
EGEvonik Degussa Gmbh: 9 patents #110 of 1,853Top 6%
WGWintershall Holding Gmbh: 2 patents #16 of 87Top 20%
ESEvolva Sa: 1 patents #73 of 129Top 60%
Ludwigshafen, DE: #26 of 1,722 inventorsTop 2%
Overall (All Time): #34,494 of 4,157,543Top 1%
64 Patents All Time
Oskar Zelder has been granted 64 US patents while listed as an inventor at Basf Se. The first was granted in 2004 and the most recent in July 2025. Oskar Zelder ranks #34,494 of 4,157,543 US inventors in our database (top 0.83%). Patent records list Oskar Zelder in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 2004 to 2025Bar chart with a peak of 12 patents in 2008.peak 122004: 3 patents20042005: 2 patents2006: 3 patents20062007: 7 patents2008: 12 patents20082009: 4 patents2010: 1 patents20102011: 6 patents2012: 3 patents20122013: 2 patents2014: 7 patents20142015: 1 patents2016: 2 patents20162017: 4 patents2019: 4 patents20192022: 1 patents2024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 64 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12371719 Fermentative production of n-butylacrylate using alcohol acyl transferase enzymes Stephan Saum, Woncheol Kim, Jennifer Jaitzig, Zheyuan Guo 2025-07-29
11913054 Fermentative production of n-butylacrylate using alcohol acyl transferase enzymes Stephan Saum, Woncheol Kim, Jennifer Jaitzig, Zheyuan Guo 2024-02-27
11279955 Process for producing an organic compound Hartwig Schroeder, Stefan Haefner, Christoph Wittmann, Anna Christine Schroer, Birgit Hoff +1 more 2022-03-22
10513693 Use of glycerol with limited feed of carbohydrates for fermentation Esther Dantas Costa, Hartwig Schröder, Stefan Haefner, Joanna Martyna Krawczyk, Gregory Von Abendroth +2 more 2019-12-24
10287571 Genetically modified microorganism for improved production of fine chemicals on sucrose Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schroeder 2019-05-14
10287558 Microorganisms for succinic acid production Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Gregory Von Abendroth +8 more 2019-05-14
10273485 Modified microorganism with improved biomass separation behaviour Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Gregory Von Abendroth +3 more 2019-04-30
9850506 Modified microorganism for improved production of fine chemicals on sucrose Joanna Martyna Krawczyk, Stefan Haefner, Hartwig Schröder, Esther Dantas Costa, Gregory Von Abendroth 2017-12-26
9828617 Genes and processes for the production of clavine-type alkaloids Michael Naesby, Christophe Folly, Curt Aimé Friis Nielsen, Anaelle Hatsch, Markus Schwab +8 more 2017-11-28
9796992 Gene cluster for biosynthesis of cornexistin and hydroxycornexistin Birgit Hoff, Hartwig Schröder, Andrea Molt, Holger Hartmann, Klaus Ditrich +3 more 2017-10-24
9631212 Gene cluster for biosynthesis of cornexistin and hydroxycornexistin Birgit Hoff, Hartwig Schroeder, Andrea Molt, Holger Hartmann, Klaus Ditrich +3 more 2017-04-25
9388441 Genetically modified microorganisms capable of producing β-glucans and methods for producing β-glucans Beata Brockmann, Andrea Herold, Stefan Haefner, Christian Fleck, Hartwig Schröder +2 more 2016-07-12
9322041 Genetically modified microorganisms capable of producing beta-glucans and methods for producing beta-glucans Beata Brockmann, Andrea Herold, Stefan Haefner, Christian Fleck, Hartwig Schröder +2 more 2016-04-26
9109244 Fermentative production of fine chemicals Markus Pompejus, Stephan Freyer, Markus Lohscheidt, Matthias Boy 2015-08-18
8906653 Method for fermentatively producing 1,5-diaminopentane Martin Völkert, Burkhard Ernst, Weol Kyu Jeong 2014-12-09
8778645 Method for the production of glutaconate Wolfgang Buckel, Ivana Djurdjevic 2014-07-15
8771998 Process for the production of gamma-aminobutyric acid Weol Kyu Jeong, Corinna Klopprogge, Andrea Herold, Hartwig Schröder 2014-07-08
8741599 Fermentative production of organic compounds Markus Pompejus, Stephan Freyer, Markus Lohscheidt, Matthias Boy 2014-06-03
8741623 Process for the production of cadaverine Weol Kyu Jeong, Corinna Klopprogge, Andrea Herold, Hartwig Schröder 2014-06-03
8735159 PEF-TS expression units Corinna Klopprogge, Burkhard Kroger, Hartwig Schröder, Stefan Haefner 2014-05-27
8728795 Pgro expression units Burkhard Kroger, Corinna Klopprogge, Hartwig Schröder, Stefan Haefner 2014-05-20
8399214 Use of dimethyl disulfide for methionine production in microoraganisms Stefan Haefner, Andrea Herold, Corinna Klopprogge, Hartwig Schröder, R. Rogers Yocum +1 more 2013-03-19
8389251 Method for producing methionine using a microorganism with reduced expression activity of a negative regulator of methionine biosynthesis Markus Pompejus, Burkhard Kroger, Hartwig Schröder, Gregor Haberhauer, Stefan Haefner +1 more 2013-03-05
8252555 Nucleic acid encoding a cobalamin-dependent methionine synthase polypeptide Wolfgang Grabarse, Corinna Klopprogge, Hartwig Schröder, Stefan Haefner, Anja Knietsch +1 more 2012-08-28
8163532 Microorganisms with a reactivation system for cob(I)alamin-dependent methionine synthase Hartwig Schröder, Corinna Klopprogge, Andrea Herold, Stefan Haefner, R. Rogers Yocum +2 more 2012-04-24