Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stefan Haefner — 35 Patents

Basf Se: 27 patents #428 of 13,826Top 4%
EGEvonik Degussa Gmbh: 6 patents #182 of 1,853Top 10%
WGWintershall Holding Gmbh: 2 patents #16 of 87Top 20%
ESEvolva Sa: 1 patents #73 of 129Top 60%
Speyer, DE: #12 of 320 inventorsTop 4%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Stefan Haefner has been granted 35 US patents while listed as an inventor at Basf Se. The first was granted in 2009 and the most recent in July 2025. Stefan Haefner ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Stefan Haefner in Speyer, DE.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
12351841 Amylase enzymes Hugo Urbina, Asfia Qureshi, Adrienne Huston Davenport, Xuqiu Tan, Jochen Kutscher +3 more 2025-07-08
11299522 Method of producing proteins in filamentous fungi with decreased CLR2 activity Andreas Thywissen, Holger Hartmann, Nico Boehmer 2022-04-12
11279955 Process for producing an organic compound Hartwig Schroeder, Oskar Zelder, Christoph Wittmann, Anna Christine Schroer, Birgit Hoff +1 more 2022-03-22
10993446 Baking lipase and methods of use Cristina Pop, Adrienne Huston Davenport, Michael LISZKA, Xuqiu Tan, Andreas Funke +2 more 2021-05-04
10597429 Method of producing proteins in filamentous fungi with decreased CLR1 activity Andreas Thywissen, Holger Hartmann, Nico Boehmer 2020-03-24
10513693 Use of glycerol with limited feed of carbohydrates for fermentation Esther Dantas Costa, Oskar Zelder, Hartwig Schröder, Joanna Martyna Krawczyk, Gregory Von Abendroth +2 more 2019-12-24
10301588 Method of removing DNA from biotechnological products Birgit Hoff, Weol Kyu Jeong, Edzard Scholten 2019-05-28
10287558 Microorganisms for succinic acid production Joanna Martyna Krawczyk, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, Gregory Von Abendroth +8 more 2019-05-14
10287571 Genetically modified microorganism for improved production of fine chemicals on sucrose Joanna Martyna Krawczyk, Hartwig Schroeder, Oskar Zelder 2019-05-14
10273485 Modified microorganism with improved biomass separation behaviour Joanna Martyna Krawczyk, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, Gregory Von Abendroth +3 more 2019-04-30
9932612 Microbial succinic acid producers and purification of succinic acid Hartwig Schröder, Gregory Von Abendroth, Rajan Hollmann, Aline Raddatz, Hansgeorg Ernst +1 more 2018-04-03
9850506 Modified microorganism for improved production of fine chemicals on sucrose Joanna Martyna Krawczyk, Hartwig Schröder, Esther Dantas Costa, Oskar Zelder, 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
9388441 Genetically modified microorganisms capable of producing β-glucans and methods for producing β-glucans Beata Brockmann, Andrea Herold, Oskar Zelder, 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, Oskar Zelder, Christian Fleck, Hartwig Schröder +2 more 2016-04-26
9127260 Synthetic phytase variants Annegret Welzel, Robert Thummer 2015-09-08
9023632 Microbial succinic acid producers and purification of succinic acid Hartwig Schröder, Gregory Von Abendroth, Rajan Hollmann, Aline Raddatz, Hansgeorg Ernst +1 more 2015-05-05
8883466 Bacterial cells exhibiting formate dehydrogenase activity for the manufacture of succinic acid Edzard Scholten, Hartwig Schröder 2014-11-11
8877466 Bacterial cells having a glyoxylate shunt for the manufacture of succinic acid Edzard Scholten, Hartwig Schröder 2014-11-04
8735159 PEF-TS expression units Oskar Zelder, Corinna Klopprogge, Burkhard Kroger, Hartwig Schröder 2014-05-27
8728795 Pgro expression units Burkhard Kroger, Oskar Zelder, Corinna Klopprogge, Hartwig Schröder 2014-05-20
8673598 Microbial succinic acid producers and purification of succinic acid Hartwig Schröder, Gregory Von Abendroth, Rajan Hollmann, Aline Raddatz, Hansgeorg Ernst +1 more 2014-03-18
8557555 Synthetic phytase variants Annegret Welzel, Robert Thummer 2013-10-15
8399214 Use of dimethyl disulfide for methionine production in microoraganisms Oskar Zelder, 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, Oskar Zelder, Gregor Haberhauer +1 more 2013-03-05