Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stefan Stein — 26 Patents

Basf Se: 14 patents #1,135 of 13,826Top 9%
Robert Bosch Gmbh: 10 patents #1,588 of 19,740Top 9%
Colgate-Palmolive: 1 patents #1,266 of 2,015Top 65%
Stuttgart, DE: #143 of 5,983 inventorsTop 3%
Overall (All Time): #150,017 of 4,157,543Top 4%
26 Patents All Time
Stefan Stein has been granted 26 US patents while listed as an inventor at Basf Se. The first was granted in 1998 and the most recent in December 2025. Stefan Stein ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Stefan Stein in Stuttgart, DE.

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12488037 Identifying patterns in large quantities of collected emails Tyler Feener, Eric Loui, Arnaud Wald, Tanya Widen 2025-12-02
12421923 Internal combustion engine for gaseous fuels Fabian Fischer, Marco Beier, Oezguer Tuerker, Torsten Burock 2025-09-23
11649396 Associative copolymers with hydrophobic quaternized (meth)acrylamide and (meth)acrylic acid derivatives Bjoern Langlotz, Christian Bittner 2023-05-16
11613686 Associative copolymers with hydrophobic quaternized (meth)acrylamide and (meth)acrylic acid derivatives Bjoern Langlotz, Christian Bittner 2023-03-28
10151260 Procedure and device for a switching pressure calculation at a metering valve Guenter Keusen, Damian Dyrbusch, Volker Reusing 2018-12-11
9995240 Method for regulating a common-rail injector Ralph Kober, Holger Rapp, Fabian Fischer, Marco Beier 2018-06-12
9982615 Method for predefining a current in a solenoid valve Heike Lang, Frank Schmitt, Ralph Kober, Holger Rapp, Fabian Fischer +1 more 2018-05-29
8863501 Injection system for injecting fluid into an exhaust tract Volker Reusing, Chris Weirauch 2014-10-21
8776510 Mounting unit for fastening an injection member to an exhaust gas tract Arnad Beganovic, Ralf Gragen, Jens Benitsch 2014-07-15
8528324 Device for metering fuel Guenter Keusen, Volker Reusing 2013-09-10
8371107 Device for regeneration, temperature loading, and/or thermal management, associated injection valve, and method Rainer Haeberer, Joerg Lange, Volker Reusing, Tobias Reiser 2013-02-12
8256209 Device and method for regenerating a particulate filter Nestor Rodriguez-Amaya, Volker Reusing 2012-09-04
7698934 Procedure for diagnosis of an emission treatment method and procedures to carry out same said method Volker Reusing, Ralf Scholl, Guenter Keusen, Carsten Bork 2010-04-20 $6,673,000
7666935 Stabilisation of aqueous solutions of homopolymers and copolymers of N-vinylpyrrolidones Erik Bohrer, Dieter Faul, Ivette Garcia Castro, Norbert Gebhardt, Peter Hossel +7 more 2010-02-23
7347938 Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes Tanja Schneider, Frank Dietsche, Axel Sanner, Karin Neubecker 2008-03-25
6878788 Method for producing polymers Maximilian Angel, Karin Neubecker 2005-04-12 $271,000
6525156 Styrene-containing popcorn polymers, method for producing same and utilisation Andreas Ernst, Helmut Meffert, Axel Sanner, Folker Ruchatz 2003-02-25 $293,000
6239206 Complexes of heavy metal ions and a polymer, and their use for selective removal of compounds from liquids Bernhard Fussnegger 2001-05-29 $314,000
6172027 Use of water-soluble copolymers comprising N-vinylimidazole units as color transfer inhibitors in detergents Dieter Boeckh, Angelika Funhoff, Jurgen Alfred Lux, Hans-Ulrich Jager 2001-01-09 $372,000
6165969 Use of quaternized polymerizates containing units of vinyl imidazol as a color fixing and color transfer inhibiting additive to detergent post-treatment agents and detergents Dieter Bockh, Hans-Ulrich Jager, Jurgen Alfred Lux, Jürgen Detering, Christian Schade 2000-12-26 $162,000
6075107 Use of copolymers of N-vinylprrolidone in preparations of water-insoluble substances Stephan Kothrade, Helmut Meffert, Gunther Berndl, Axel Sanner, Volker Schehlmann +1 more 2000-06-13
6036962 Cosmetic compositions comprising sulfonate groups containing polyamides Wolfgang Muller, Jorg Breitenbach, Axel Sanner, Karin Sperling 2000-03-14
6025317 Powdery porous polymers containing N-vinylimidazol units, process for their preparation and their use Dieter Boeckh, Christian Schade, Gerhard Rossler 2000-02-15
5962613 Water soluble crosslinked copolymers, their preparation and their use Christian Schade, Jürgen Detering, Dieter Boeckh, Hans-Ulrich Jager 1999-10-05
5846524 Sulfonate-bearing polyamides and their use in hairsetting compositions Jorg Breitenbach, Herbert Fisch, Axel Sanner, Karin Sperling-Vietmeier 1998-12-08