Inventor · disambiguated record
Stefan Stein
Also filed as: STEIN STEFAN
25 granted patents·4 pending applications·239 citations·filing 1996–2022
95Inventor score
Top patents by PatentIndex Score
29 records- 0179US5800803AOral composition exhibiting enhanced uptake by dental tissue of noncationic antibacterial agentsCOLGATE PALMOLIVE CO·Filed 1997·Granted Sep 1, 1998·53 cites·14 claims
- 0277US9982615B2Method for predefining a current in a solenoid valveBOSCH GMBH ROBERT·Filed 2015·Granted May 29, 2018·2 cites·14 claims
- 0376US6075107AUse of copolymers of N-vinylprrolidone in preparations of water-insoluble substancesBASF AG·Filed 1998·Granted Jun 13, 2000·46 cites·39 claims
- 0475US6525156B1Styrene-containing popcorn polymers, method for producing same and utilisationBASF AG·Filed 2000·Granted Feb 25, 2003·13 cites·11 claims
- 0567US6878788B2Method for producing polymersBASF AG·Filed 2001·Granted Apr 12, 2005·8 cites·30 claims
- 0667US5962613AWater soluble crosslinked copolymers, their preparation and their useBASF AG·Filed 1996·Granted Oct 5, 1999·22 cites·6 claims
- 0766US9995240B2Method for regulating a common-rail injectorBOSCH GMBH ROBERT·Filed 2015·Granted Jun 12, 2018·1 cites·9 claims
- 0865US7666935B2Stabilisation of aqueous solutions of homopolymers and copolymers of N-vinylpyrrolidonesBASF SE·Filed 2005·Granted Feb 23, 2010·1 cites·24 claims
- 0963US8256209B2Device and method for regenerating a particulate filterRODRIGUEZ-AMAYA NESTOR·Filed 2006·Granted Sep 4, 2012·3 cites·16 claims
- 1060US12421923B2Internal combustion engine for gaseous fuelsBOSCH GMBH ROBERT·Filed 2022·Granted Sep 23, 2025·0 cites·20 claims
- 1160US8863501B2Injection system for injecting fluid into an exhaust tractREUSING VOLKER·Filed 2010·Granted Oct 21, 2014·3 cites·10 claims
- 1260US7347938B2Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranesBASF AG·Filed 2003·Granted Mar 25, 2008·9 cites·21 claims
- 1359US8371107B2Device for regeneration, temperature loading, and/or thermal management, associated injection valve, and methodBOSCH GMBH ROBERT·Filed 2007·Granted Feb 12, 2013·5 cites·18 claims
- 1456US11649396B2Associative copolymers with hydrophobic quaternized (meth)acrylamide and (meth)acrylic acid derivativesBASF SE·Filed 2019·Granted May 16, 2023·0 cites·19 claims
- 1555US6036962ACosmetic compositions comprising sulfonate groups containing polyamidesBASF AG·Filed 1997·Granted Mar 14, 2000·17 cites·8 claims
- 1654US8776510B2Mounting unit for fastening an injection member to an exhaust gas tractSTEIN STEFAN·Filed 2010·Granted Jul 15, 2014·4 cites·20 claims
- 1752US11613686B2Associative copolymers with hydrophobic quaternized (meth)acrylamide and (meth)acrylic acid derivativesBASF SE·Filed 2019·Granted Mar 28, 2023·0 cites·18 claims
- 1852US6165969AUse of quaternized polymerizates containing units of vinyl imidazol as a color fixing and color transfer inhibiting additive to detergent post-treatment agents and detergentsBASF AG·Filed 1997·Granted Dec 26, 2000·13 cites·11 claims
- 1949US6239206B1Complexes of heavy metal ions and a polymer, and their use for selective removal of compounds from liquidsBASF AG·Filed 1996·Granted May 29, 2001·9 cites·17 claims
- 2049US6172027B1Use of water-soluble copolymers comprising N-vinylimidazole units as color transfer inhibitors in detergentsBASF AG·Filed 1997·Granted Jan 9, 2001·9 cites·8 claims
- 2148US10151260B2Procedure and device for a switching pressure calculation at a metering valveKEUSEN GUENTER·Filed 2008·Granted Dec 11, 2018·1 cites·10 claims
- 2248US5846524ASulfonate-bearing polyamides and their use in hairsetting compositionsBASF AG·Filed 1997·Granted Dec 8, 1998·11 cites·5 claims
- 2346US6025317APowdery porous polymers containing N-vinylimidazol units, process for their preparation and their useBASF AG·Filed 1996·Granted Feb 15, 2000·9 cites·10 claims
- 2445US2011047996A1Exhaust gas treatment apparatus with improved pressure pulse dampingGARCIA-LORENZANA MERINO IGNACIO·Filed 2009·Application pending·0 cites
- 2543US8528324B2Device for metering fuelKEUSEN GUENTER·Filed 2009·Granted Sep 10, 2013·0 cites·12 claims
- 2638US7698934B2Procedure for diagnosis of an emission treatment method and procedures to carry out same said methodBOSCH GMBH ROBERT·Filed 2007·Granted Apr 20, 2010·0 cites·13 claims
- 2738US2006058449A1Vinyllactam copolymers used as gas hydrate inhibitorsBASF AG·Filed 2003·Application pending·0 cites
- 2838US2009282814A1Method and device for cleaning valvesSTEIN STEFAN·Filed 2007·Application pending·0 cites
- 2935US2012220502A1Compositions comprising alkylalkoxysulfonates for the production of high temperature stable foamsJUERGENSON GABRIELA ALVAREZ·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →