Inventor · disambiguated record
Stefan Karl Maier
Also filed as: MAIER STEFAN · MAIER STEFAN KARL
12 granted patents·3 pending applications·9 citations·filing 2013–2023
82Inventor score
Files withEVONIK OPERATIONS GMBH9EVONIK OIL ADDITIVES GMBH4IMPERIAL COLLEGE INNOVATIONS LTD1LOHMANN THERAPIE SYST LTS1
Top patents by PatentIndex Score
15 records- 0192US10633610B2Comb polymers for improving Noack evaporation loss of engine oil formulationsEVONIK OPERATIONS GMBH·Filed 2017·Granted Apr 28, 2020·7 cites·19 claims
- 0286US11618797B2Acrylate-olefin copolymers as high viscosity base fluidsEVONIK OPERATIONS GMBH·Filed 2021·Granted Apr 4, 2023·1 cites·19 claims
- 0378US10428292B2Functional polyalkyl (meth)acrylates with enhanced demulsibility performanceEVONIK OIL ADDITIVES GMBH·Filed 2017·Granted Oct 1, 2019·1 cites·22 claims
- 0469US11015139B2Comb polymers for improving Noack evaporation loss of engine oil formulationsEVONIK OPERATIONS GMBH·Filed 2020·Granted May 25, 2021·0 cites·19 claims
- 0567US11965140B2High viscosity polyacrylate base fluidsEVONIK OPERATIONS GMBH·Filed 2019·Granted Apr 23, 2024·0 cites·18 claims
- 0663US12116546B2High viscosity base fluids based on oil compatible polyestersEVONIK OPERATIONS GMBH·Filed 2021·Granted Oct 15, 2024·0 cites·22 claims
- 0757US12098344B2High viscosity base fluids based on oil compatible polyesters prepared from long-chain epoxidesEVONIK OPERATIONS GMBH·Filed 2021·Granted Sep 24, 2024·0 cites·17 claims
- 0856US12252661B2Process for preparing homo- and copolymers of alkyl (meth)acrylates with low residual monomer contentEVONIK OPERATIONS GMBH·Filed 2021·Granted Mar 18, 2025·0 cites·20 claims
- 0954US8894621B2Self-destructing transdermal therapeutic system having improved functionality and efficacyLOHMANN THERAPIE SYST LTS·Filed 2013·Granted Nov 25, 2014·0 cites·11 claims
- 1052US11981877B2Acrylate-olefin copolymers as high viscosity base fluidsEVONIK OPERATIONS GMBH·Filed 2023·Granted May 14, 2024·0 cites·22 claims
- 1149US11339346B2Use of polyesters as viscosity index improvers for aircraft hydraulic fluidsEVONIK OPERATIONS GMBH·Filed 2017·Granted May 24, 2022·0 cites·15 claims
- 1239US2019300808A1Lubricant composition with an improved viscosity characteristic at low operating temperatureEVONIK OIL ADDITIVES GMBH·Filed 2017·Application pending·0 cites
- 1338US2018216023A1Use of polyclycerin esters as friction modifiers in lubricant formulationsEVONIK OIL ADDITIVES GMBH·Filed 2016·Application pending·0 cites
- 1435US12336097B2Metal-containing fabrics and membranes, and method of manufacturing thereofIMPERIAL COLLEGE INNOVATIONS LTD·Filed 2019·Granted Jun 17, 2025·0 cites·14 claims
- 1534US2017218295A1Hydraulic fluids in plastic injection molding processesEVONIK OIL ADDITIVES GMBH·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →