Inventor · disambiguated record
Klaus Hedrich
Also filed as: HEDRICH KLAUS
4 granted patents·78 citations·filing 1999–2005
73Inventor score
Top patents by PatentIndex Score
4 records- 0186US6458750B1Engine oil composition with reduced deposit-formation tendencyROHMAX ADDITIVES GMBH·Filed 1999·Granted Oct 1, 2002·70 cites·20 claims
- 0276US8349779B2Polymers with h-bridge forming functionalitiesEVONIK ROHMAX ADDITIVES GMBH·Filed 2005·Granted Jan 8, 2013·5 cites·24 claims
- 0368US8754018B2Use of polyalkyl (meth)acrylates in lubricating oil compositionsSCHERER MARKUS·Filed 2005·Granted Jun 17, 2014·2 cites·16 claims
- 0458US9080124B2Use of graft polymersSCHERER MARKUS·Filed 2005·Granted Jul 14, 2015·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →