Inventor · disambiguated record
Steven J. Sytsma
Also filed as: SYTSMA STEVEN J · SYTSMA STEVEN JOHN
10 granted patents·5 pending applications·73 citations·filing 1992–2016
87Inventor score
Files withDANA CORP5MAHLE INT GMBH4SCHNETKER TED R3MAHLE ENGINE COMPONENTS USA INC1SEALED POWER TECHNOLOGIES1
Top patents by PatentIndex Score
15 records- 0187US10253882B2Oil control ring assemblyMAHLE INT GMBH·Filed 2014·Granted Apr 9, 2019·6 cites·20 claims
- 0276US7017914B1Piston assembly and method of manufactureDANA CORP·Filed 2002·Granted Mar 28, 2006·17 cites·3 claims
- 0369US7188841B1Secondary piston sealDANA CORP·Filed 2005·Granted Mar 13, 2007·5 cites·20 claims
- 0459US8724325B2Solid state switch arrangementSCHNETKER TED R·Filed 2009·Granted May 13, 2014·2 cites·23 claims
- 0557US7997185B2Piston ringMAHLE ENGINE COMPONENTS USA INC·Filed 2008·Granted Aug 16, 2011·1 cites·17 claims
- 0654US6361050B1Oppositely angled piston ring groovesDANA CORP·Filed 1999·Granted Mar 26, 2002·18 cites·18 claims
- 0749US7121192B2Piston ring coatingDANA CORP·Filed 2004·Granted Oct 17, 2006·2 cites·14 claims
- 0847US2014265140A1Dissimilar radial wall oil control railsMAHLE INT GMBH·Filed 2014·Application pending·0 cites
- 0946US5238255AOil ring assemblySEALED POWER TECHNOLOGIES·Filed 1992·Granted Aug 24, 1993·17 cites·4 claims
- 1045US10265798B2Magnetic pulse welding of engine componentsMAHLE INT GMBH·Filed 2016·Granted Apr 23, 2019·0 cites·14 claims
- 1144US2011134607A1Solid state switch arrangementSCHNETKER TED R·Filed 2009·Application pending·0 cites
- 1243US2004237776A1Piston ring coatingFiled 2004·Application pending·0 cites
- 1337US2011134587A1Semiconductor switch relay module for a power distribution systemSCHNETKER TED R·Filed 2009·Application pending·0 cites
- 1431US6119647APiston with blow-by pressure reliefDANA CORP·Filed 1999·Granted Sep 19, 2000·5 cites·13 claims
- 1531US2013154196A1Piston ring formed from ring blankMAHLE INT GMBH·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →