Inventor · disambiguated record
Nick J. Hendriksma
Also filed as: HENDRIKSMA NICK · HENDRIKSMA NICK J · HENDRIKSMA NICK JOHN
46 granted patents·8 pending applications·1,239 citations·filing 1999–2018
98Inventor score
Files withDELPHI TECH INC38HENDRIKSMA NICK J9GM GLOBAL TECH OPERATIONS INC2GEN MOTORS CORP1GM GLOBAL TECH OPERATIONS LLC1
Top patents by PatentIndex Score
54 records- 0198US7882814B2Inner arm stop for a switchable rocker armDELPHI TECH INC·Filed 2008·Granted Feb 8, 2011·59 cites·18 claims
- 0298US7305951B2Two-step roller finger followerDELPHI TECH INC·Filed 2005·Granted Dec 11, 2007·68 cites·7 claims
- 0398US6513470B1Deactivation hydraulic valve lifterDELPHI TECH INC·Filed 2000·Granted Feb 4, 2003·83 cites·25 claims
- 0498US6499451B1Control system for variable activation of intake valves in an internal combustion engineDELPHI TECH INC·Filed 2001·Granted Dec 31, 2002·99 cites·6 claims
- 0597US6668779B2Two-step finger follower rocker arm assemblyDELPHI TECH INC·Filed 2002·Granted Dec 30, 2003·87 cites·21 claims
- 0697US6325030B1Roller finger follower for valve deactivationDELPHI TECH INC·Filed 2000·Granted Dec 4, 2001·79 cites·15 claims
- 0797US6321705B1Roller finger follower for valve deactivationDELPHI TECH INC·Filed 2000·Granted Nov 27, 2001·66 cites·19 claims
- 0896US7673601B2Valve lifter assembly for selectively deactivating a cylinderDELPHI TECH INC·Filed 2007·Granted Mar 9, 2010·21 cites·19 claims
- 0996US7047925B2Dual feed hydraulic lash adjusterDELPHI TECH INC·Filed 2004·Granted May 23, 2006·55 cites·5 claims
- 1096US6966291B1Latch timing mechanism for a two-step roller finger cam followerDELPHI TECH INC·Filed 2004·Granted Nov 22, 2005·61 cites·8 claims
- 1196US6615782B1Two-step finger follower rocker armDELPHI TECH INC·Filed 2002·Granted Sep 9, 2003·79 cites·18 claims
- 1295US6439179B2Deactivation and two-step roller finger follower having a bracket and lost motion springDELPHI TECH INC·Filed 2001·Granted Aug 27, 2002·53 cites·19 claims
- 1394US6814040B2Deactivation roller hydraulic valve lifterDELPHI TECH INC·Filed 2003·Granted Nov 9, 2004·26 cites·5 claims
- 1493US8662035B1Oil pressure control system for switchable valve train componentsGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Mar 4, 2014·8 cites·17 claims
- 1593US6691657B2Two-step finger follower rocker armDELPHI TECH INC·Filed 2002·Granted Feb 17, 2004·48 cites·12 claims
- 1693US6668776B2Deactivation roller hydraulic valve lifterDELPHI TECH INC·Filed 2003·Granted Dec 30, 2003·26 cites·23 claims
- 1793US6591798B2Variable valve actuation assembly for an internal combustion engineDELPHI TECH INC·Filed 2001·Granted Jul 15, 2003·61 cites·18 claims
- 1889US6302075B1Roller finger follower shaft retention apparatusDELPHI TECH INC·Filed 2000·Granted Oct 16, 2001·30 cites·14 claims
- 1987US7395792B2Deactivation roller hydraulic valve lifterDELPHI TECH INC·Filed 2006·Granted Jul 8, 2008·6 cites·33 claims
- 2087US7308879B2Deactivation roller hydraulic valve lifterDELPHI TECH INC·Filed 2006·Granted Dec 18, 2007·6 cites·39 claims
- 2187US7296548B2Deactivation roller hydraulic valve lifterDELPHI TECH INC·Filed 2006·Granted Nov 20, 2007·6 cites·8 claims
- 2284US6604498B2Actuation mechanism for mode-switching roller finger followerDELPHI TECH INC·Filed 2001·Granted Aug 12, 2003·24 cites·14 claims
- 2383US7104232B2Deactivation roller hydraulic valve lifterDELPHI TECH INC·Filed 2004·Granted Sep 12, 2006·12 cites·12 claims
- 2483US6039017AHydraulic lash adjuster with lashGEN MOTORS CORP·Filed 1999·Granted Mar 21, 2000·38 cites·4 claims
- 2581US7455040B2Hydraulic circuit for switchable cam followersDELPHI TECH INC·Filed 2006·Granted Nov 25, 2008·7 cites·25 claims
- 2681US7263956B2Valve lifter assembly for selectively deactivating a cylinderDELPHI TECH INC·Filed 2002·Granted Sep 4, 2007·21 cites·8 claims
- 2779US6755167B2Two-step roller finger cam follower having spool-shaped low-lift rollerDELPHI TECH INC·Filed 2002·Granted Jun 29, 2004·19 cites·17 claims
- 2878US7757648B2Switchable valve train memberDELPHI TECH INC·Filed 2008·Granted Jul 20, 2010·3 cites·31 claims
- 2978US6976463B2Anti-rotation deactivation valve lifterDELPHI TECH INC·Filed 2004·Granted Dec 20, 2005·15 cites·12 claims
- 3075US7685984B2Mechanical lash ring for a switchable valve train memberDELPHI TECH INC·Filed 2008·Granted Mar 30, 2010·5 cites·21 claims
- 3174US7614375B2Roller bearing and z-stop for a two-step roller finger followerDELPHI TECH INC·Filed 2007·Granted Nov 10, 2009·6 cites·12 claims
- 3273US6463897B2Mechanical assist actuation bracket for deactivation and two-step roller finger followersDELPHI TECH INC·Filed 2001·Granted Oct 15, 2002·13 cites·20 claims
- 3371US6640759B1Two-step finger follower rocker armDELPHI TECH INC·Filed 2002·Granted Nov 4, 2003·12 cites·4 claims
- 3470US8640334B2Method of setting lash in a cam phaserVUKOVICH WILLIAM P·Filed 2012·Granted Feb 4, 2014·2 cites·9 claims
- 3568US6481400B2Valve deactivation assembly with partial journal bearingsDELPHI TECH INC·Filed 2001·Granted Nov 19, 2002·14 cites·14 claims
- 3666US8215276B2Compact switchable hydraulic lash adjuster with hydraulic lost motion assistHENDRIKSMA NICK J·Filed 2009·Granted Jul 10, 2012·3 cites·6 claims
- 3766US8196556B2Apparatus and method for setting mechanical lash in a valve-deactivating hydraulic lash adjusterHENDRIKSMA NICK J·Filed 2009·Granted Jun 12, 2012·3 cites·10 claims
- 3863US7093572B2Roller finger follower assembly for valve deactivationDELPHI TECH INC·Filed 2003·Granted Aug 22, 2006·8 cites·35 claims
- 3958US7322329B2Assembly process for hydraulic valve lifters to reduce variation in valve liftDELPHI TECH INC·Filed 2006·Granted Jan 29, 2008·2 cites·9 claims
- 4055US10502303B2Cam follower and guide assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Dec 10, 2019·0 cites·18 claims
- 4152US8151752B2Deactivating hydraulic lash adjuster for oriented mounting in an engineHENDRIKSMA NICK J·Filed 2009·Granted Apr 10, 2012·1 cites·8 claims
- 4247US6745733B2Actuating system for mode-switching rocker arm deviceDELPHI TECH INC·Filed 2002·Granted Jun 8, 2004·3 cites·23 claims
- 4344US8360023B2Engine including valve lift mechanism with oil flow control featuresGM Global Technologies Operations LLC·Filed 2010·Granted Jan 29, 2013·0 cites·20 claims
- 4441US8770162B2Lifter guide assembly for an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jul 8, 2014·0 cites·26 claims
- 4541US6799543B2Valve deactivation system with free motion springDELPHI TECH INC·Filed 2001·Granted Oct 5, 2004·1 cites·4 claims
- 4641US2009308339A1Switchable valve train device having a single locking pinHENDRIKSMA NICK J·Filed 2008·Application pending·0 cites
- 4740US7305944B2Control strategy for hydraulically-switched engine mechanismsDELPHI TECH INC·Filed 2006·Granted Dec 11, 2007·0 cites·9 claims
- 4840US2009199804A1Cam lobe profile to accommodate mechanical lash of a switchable hydraulic lash adjusterHENDRIKSMA NICK J·Filed 2008·Application pending·0 cites
- 4940US2009078225A1Switchable rocker armHENDRIKSMA NICK J·Filed 2007·Application pending·0 cites
- 5039US2009143963A1Diagnostic of hydraulically switchable engine mechanismsHENDRIKSMA NICK J·Filed 2007·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →