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

Andreas Keller — 35 Patents

Basf Se: 28 patents #409 of 13,826Top 3%
LCLipton, Division Of Conopco: 3 patents #31 of 267Top 15%
CACentrotherm International Ag: 2 patents #2 of 21Top 10%
DBDsm Ip Assets B.V.: 2 patents #634 of 2,011Top 35%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Andreas Keller has been granted 35 US patents while listed as an inventor at Basf Se. The first was granted in 2000 and the most recent in August 2025. Andreas Keller ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Andreas Keller in St. Nikolaus, NJ, DE.

Patents per Year

Patents granted per year, 2000 to 2025Bar chart with a peak of 3 patents in 2001.peak 32000: 2 patents20002001: 3 patents2002: 1 patents20022005: 2 patents2008: 2 patents20082013: 3 patents2015: 2 patents20152016: 2 patents2018: 2 patents20182019: 2 patents2020: 3 patents20202021: 3 patents2022: 3 patents20222023: 2 patents2024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12378701 Method and device for stabilizing precursor fibers or films for producing carbon fibers or films Manuel CLAUSS, Erik Frank, Volker Bauch, Frank Hermanutz, Michael R. Buchmeiser +1 more 2025-08-05
12172956 Method for the isomerization of a 3-(Z)-unsaturated carboxylic acid to the 3-(E)-isomer Mathias Schelwies, Wolfgang Siegel, Rocco Paciello 2024-12-24
11976030 Process to recover high quality 3-methyl-but-3-en-1-ol Roland Minges, Martin Kamasz, Gabriele Gralla, Bernhard Brunner 2024-05-07
11766653 Method for carrying out a gas/fluid two-phase high-pressure reaction Oliver Bey, Peter Zehner, Stephanie RENZ, Mathias Schelwies, Rocco Paciello +5 more 2023-09-26
11618725 Process to recover 3-methyl-but-3-en-1-ol Martin Kamasz, Gabriele Gralla, Roland Minges, Bernhard Brunner 2023-04-04
11486059 Method and device for stabilizing precursor fibers for the production of carbon fibers Gunter Fauth, Uwe Ziegler 2022-11-01
11407700 Process for preparing 2,3-unsaturated alcohols Stephan ZUEND, Gabriele Gralla, Wolfgang Krause 2022-08-09
RE49036 Method for synthesizing optically active carbonyl compounds Mathias Schelwies, Rocco Paciello, Gunnar Heydrich, Günter Wegner, Gerd-Dieter Tebben +4 more 2022-04-19
11098075 Method for preparing 2′-O-fucosyllactose Michael Puhl, Klaus Ditrich, Pepa Dimitrova, Melanie WEINGARTEN, Wolfgang Siegel 2021-08-24
10919827 Process for recovering 3-methylbut-3-en-1-ol Albert Werner, Miriam BRU ROIG, Andrei-Nicolae Parvulescu, Roland Minges, Stephan Maurer +2 more 2021-02-16
10889547 Method for the purification of ethoxyquin Sumana Roy, Wolfgang Siegel, Michael Joedecke, Martin Haubner 2021-01-12
10875821 Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase Nicolas Vautravers, Joaquim Henrique Teles, Kirsten BRAUNSMANN, Andreas Jörg Ufer, Stefan Bauer +4 more 2020-12-29
10737944 Tin-containing zeolitic material having a BEA framework structure Nicolas Vautravers, Joaquim Henrique Teles, Ralf Pelzer, Daniel Schneider, Florian Garlichs +3 more 2020-08-11
10532970 Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase Nicolas Vautravers, Joaquim Henrique Teles, Michaela Fenyn 2020-01-14
10301244 Method for synthesizing optically active carbonyl compounds Mathias Schelwies, Rocco Paciello, Gunnar Heydrich, Günter Wegner, Gerd-Dieter Tebben +4 more 2019-05-28
10202324 Process for the preparation of melonal Nicolas Vautravers, Joaquim Henrique Teles, Ralf Pelzer, Daniel Schneider, Florian Garlichs +2 more 2019-02-12
9975837 Method for synthesizing optically active carbonyl compounds Mathias Schelwies, Rocco Paciello, Gunnar Heydrich, Günter Wegner, Gerd-Dieter Tebben +4 more 2018-05-22
9856199 Method for producing menthones from isopulegol in the gas phase Volker Hickmann, Stefan Rüdenauer, Martine Dehn, Stephanie RENZ, Daniel Schneider 2018-01-02
9416079 Process for preparing 4-cyclohexyl-2-methyl-2-butanol Rudolf Schuch, Stefan Rüdenauer, Klaus Ebel, Ralf Pelzer 2016-08-16
9320688 Powderous formulations of organic acids or esters having an aromatic ring system Martin Gadient, Thomas Lindemann, Karl Manfred Voelker, Kai Urban, Stefanie KIRCHEN 2016-04-26
9073826 Process for preparing and purifying salts of acrylamido-2-methylpropanesulfonic acid Klaus Ebel, Tobias Voitl, Stefan Rüdenauer, Karsten Bartling, Björn Langlotz +1 more 2015-07-07
9056812 Process for preparing 4-cyclohexyl-2-methyl-2-butanol Rudolf Schuch, Stefan Rüdenauer, Klaus Ebel, Ralf Pelzer 2015-06-16
8608824 Integrated method for producing carbonyl iron powder and hydrocarbons Jochen Steiner, Ekkehard Schwab, Otto Watzenberger, Ulrich Gräβle, Manfred Julius 2013-12-17
8492579 Method for producing astaxanthin dimethyldisuccinate Hansgeorg Ernst, Walter Dobler, Klaus Henrich 2013-07-23
8461363 Deodorization and stabilization of marine oils Ingo Koschinski, Albert Lustenberger, Neil Macfarlane, Thomas Meierhans 2013-06-11