Inventor · disambiguated record
Robb Janak
Also filed as: JANAK ROBB
20 granted patents·3 pending applications·328 citations·filing 2000–2025
94Inventor score
Files withJACOBS VEHICLE SYSTEMS INC13DIESEL ENGINE RETARDERS INC4CUMMINS INC2RUGGIERO BRIAN2JANAK ROBB1
Top patents by PatentIndex Score
23 records- 0198US7905208B2Valve bridge with integrated lost motion systemJACOBS VEHICLE SYSTEMS INC·Filed 2005·Granted Mar 15, 2011·44 cites·30 claims
- 0297US6415752B1Captive volume accumulator for a lost motion systemDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Jul 9, 2002·73 cites·15 claims
- 0396US7392772B2Primary and offset actuator rocker arms for engine valve actuationJACOBS VEHICLE SYSTEMS INC·Filed 2005·Granted Jul 1, 2008·30 cites·58 claims
- 0495US8578901B2Valve bridge with integrated lost motion systemRUGGIERO BRIAN·Filed 2011·Granted Nov 12, 2013·30 cites·19 claims
- 0594US9347383B2Intra-cylinder auxiliary actuation of engine valves through selective discontinuation of main valve eventsJACOBS VEHICLE SYSTEMS INC·Filed 2014·Granted May 24, 2016·11 cites·31 claims
- 0694US8627791B2Primary and auxiliary rocker arm assembly for engine valve actuationJANAK ROBB·Filed 2012·Granted Jan 14, 2014·20 cites·23 claims
- 0791US6591795B2Captive volume accumulator for a lost motion systemDIESEL ENGINE RETARDERS INC·Filed 2002·Granted Jul 15, 2003·31 cites·26 claims
- 0891US6450144B2Method and apparatus for hydraulic clip and reset of engine brake systems utilizing lost motionDIESEL ENGINE RETARDERS INC·Filed 2000·Granted Sep 17, 2002·55 cites·38 claims
- 0986US10883392B2Valve bridge systems comprising valve bridge guideJACOBS VEHICLE SYSTEMS INC·Filed 2019·Granted Jan 5, 2021·2 cites·22 claims
- 1083US11162438B2Valve actuation and sequencing for cylinder deactivation and high-power density (HPD) brakingJACOBS VEHICLE SYSTEMS INC·Filed 2021·Granted Nov 2, 2021·1 cites·19 claims
- 1183US2025389211A1Valve actuation system comprising a discrete lost motion deviceCUMMINS INC·Filed 2025·Application pending·0 cites
- 1281US12435649B2Valve actuation system comprising a discrete lost motion deviceCUMMINS INC·Filed 2023·Granted Oct 7, 2025·0 cites·14 claims
- 1370US6868824B2System and method of gas recirculation in an internal combustion engineDIESEL ENGINE RETARDERS INC·Filed 2003·Granted Mar 22, 2005·15 cites·23 claims
- 1467US12460594B2Shutdown control of internal combustion engine comprising lost motion componentJACOBS VEHICLE SYSTEMS INC·Filed 2023·Granted Nov 4, 2025·0 cites·18 claims
- 1565US7793624B2Engine brake apparatusJACOBS VEHICLE SYSTEMS INC·Filed 2007·Granted Sep 14, 2010·4 cites·18 claims
- 1663US7066159B2System and method for multi-lift valve actuationRUGGIERO BRIAN·Filed 2005·Granted Jun 27, 2006·5 cites·24 claims
- 1758US2014109848A1Primary and auxiliary rocker arm assembly for engine valve actuationJACOBS VEHICLE SYSTEMS INC·Filed 2013·Application pending·0 cites
- 1856US12018599B1Valve actuation system comprising rocker assemblies with one-way coupling therebetweenJACOBS VEHICLE SYSTEMS INC·Filed 2023·Granted Jun 25, 2024·0 cites·26 claims
- 1955US11401838B2Rotating actuator system for controlling valve actuation in an internal combustion engineJACOBS VEHICLE SYSTEMS INC·Filed 2021·Granted Aug 2, 2022·0 cites·11 claims
- 2055US6584954B2Use of external exhaust gas recirculation (“EGR”) to improve compression release braking and method for EGR valve and system cleaningFiled 2001·Granted Jul 1, 2003·7 cites·14 claims
- 2154US11300014B2Valve actuation system comprising finger follower for lobe switching and single source lost motionJACOBS VEHICLE SYSTEMS INC·Filed 2021·Granted Apr 12, 2022·0 cites·36 claims
- 2254US2024369003A1Valve actuation system for providing valve actuation motions for late/early intake valve closing and internal egrJACOBS VEHICLE SYSTEMS INC·Filed 2024·Application pending·0 cites
- 2345US11208921B2Finger follower for lobe switching and single source lost motionJACOBS VEHICLE SYSTEMS INC·Filed 2020·Granted Dec 28, 2021·0 cites·21 claims
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