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USPTO Patent Rankings Data through Dec 31, 2025
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Andreas Leitner — 14 Patents

Basf Se: 10 patents #1,659 of 13,826Top 15%
BABorealis Ag: 3 patents #261 of 611Top 45%
SGStudiengesellschaft Kohle Ggmbh: 1 patents #69 of 198Top 35%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Andreas Leitner has been granted 14 US patents while listed as an inventor at Basf Se. The first was granted in 2006 and the most recent in February 2024. Andreas Leitner ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Andreas Leitner in Wetter (Ruhr), PA, DE.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11911715 Methods for the separation of at least one emulsion by applying an electrical field and device for carrying out said method Michael Schadenböck, Udo Muster 2024-02-27
11224828 Methods for the separation of at least one emulsion by applying an electrical field and device for carrying out said method Michael Schadenböck, Udo Muster 2022-01-18
10918972 Methods for the separation of at least one emulsion by applying an electrical field and device for carrying out said method Michael Schadenböck, Udo Muster 2021-02-16
8921598 Method for producing urethanes composed of mono and di-functional aromatic amines Robert Baumann, Wolfgang Siegel 2014-12-30
8846970 Metal carbamates formed from tolylenediamines Robert Baumann, Wolfgang Siegel 2014-09-30
8846971 Metal carbamates formed from diaminophenylmethane Robert Baumann, Wolfgang Siegel 2014-09-30
8729291 Method for producing urethanes composed of di-functional aromatic amines and dialkyl carbonates Axel Franzke, Robert Baumann, Michael Bock, Roderich Roettger, Matthias Kloetzer 2014-05-20
8530690 Process for isomerizing CIS-2-pentenenitrile to 3-pentenenitriles Hermann Luyken, Peter Pfab, Robert Baumann, Tobias Aechtner 2013-09-10
8519174 Metal carbamates formed from diaminophenylmethane Robert Baumann, Wolfgang Siegel 2013-08-27
8481777 Metal carbamates formed from tolylenediamines Robert Baumann, Wolfgang Siegel 2013-07-09
8058466 Method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene Gerd Haderlein, Tobias Aechtner, Hermann Luyken, Peter Pfab, Jens Scheidel +2 more 2011-11-15
7851656 Method for producing organic phosphorous compounds containing halogens Robert Baumann, Tobias Aechtner, Wolfgang Siegel, Hermann Luyken, Peter Pfab +2 more 2010-12-14
7705171 Process for producing nickel(0)-phosphorus ligand complexes Gerd Haderlein, Tobias Aechtner, Peter Pfab, Hermann Luyken, Jens Scheidel 2010-04-27
7026478 Iron catalyzed cross coupling reactions of aromatic compounds Alois Fürstner, Maria Magdalena Mendez 2006-04-11