Assignee
PERKINS ENGINES CO LTD
GB·146 granted patents·53 pending applications·764 citations·filing 1997–2025
Top patents by PatentIndex Score
199 records- 0197US10422268B2Mounting interface for exhaust gas treatment assemblyPERKINS ENGINES CO LTD·Filed 2017·Granted Sep 24, 2019·17 cites·14 claims
- 0297US10247081B2Aftertreatment assembly tolerance compensation schemePERKINS ENGINES CO LTD·Filed 2017·Granted Apr 2, 2019·16 cites·14 claims
- 0395US6886522B1Cylinder block and method of fabrication thereofPERKINS ENGINES CO LTD·Filed 2000·Granted May 3, 2005·42 cites·33 claims
- 0494US7640919B1Fuel system for protecting a fuel filterPERKINS ENGINES CO LTD·Filed 2008·Granted Jan 5, 2010·22 cites·16 claims
- 0591US6964261B2Adaptive fuel injector trimming during a zero fuel conditionPERKINS ENGINES CO LTD·Filed 2003·Granted Nov 15, 2005·78 cites·16 claims
- 0686US8776501B2Regeneration assist calibrationPERKINS ENGINES CO LTD·Filed 2013·Granted Jul 15, 2014·8 cites·16 claims
- 0785US9920676B2Mixer and emissions cleaning modulePERKINS ENGINES CO LTD·Filed 2014·Granted Mar 20, 2018·8 cites·20 claims
- 0883US6660068B1Autoselective regenerating particulate filterPERKINS ENGINES CO LTD·Filed 2000·Granted Dec 9, 2003·36 cites·38 claims
- 0982US11572819B2End can assembly for an engine exhaust aftertreatment canisterPERKINS ENGINES CO LTD·Filed 2018·Granted Feb 7, 2023·2 cites·10 claims
- 1082US11008964B2Engine monitoringPERKINS ENGINES CO LTD·Filed 2018·Granted May 18, 2021·2 cites·17 claims
- 1182US9616387B2Exhaust gas treatment apparatus functionality checkPERKINS ENGINES CO LTD·Filed 2013·Granted Apr 11, 2017·6 cites·20 claims
- 1281US7966811B2Exhaust treatment system having a diverter valvePERKINS ENGINES CO LTD·Filed 2007·Granted Jun 28, 2011·24 cites·21 claims
- 1381US6237571B1Apparatus and method for connecting a fuel pressure tube to a fuel injector of an internal combustion enginePERKINS ENGINES CO LTD·Filed 1998·Granted May 29, 2001·40 cites·19 claims
- 1480US10041458B2Injector clampPERKINS ENGINES CO LTD·Filed 2016·Granted Aug 7, 2018·4 cites·20 claims
- 1580US6834634B2Cylinder block with a component mounting apronPERKINS ENGINES CO LTD·Filed 2002·Granted Dec 28, 2004·18 cites·18 claims
- 1679US9494067B2Emissions cleaning module and associated electronics support unitPERKINS ENGINES CO LTD·Filed 2012·Granted Nov 15, 2016·2 cites·18 claims
- 1779US7689334B2Engine diagnostic methodPERKINS ENGINES CO LTD·Filed 2006·Granted Mar 30, 2010·19 cites·20 claims
- 1877US11939931B2Engine control systemPERKINS ENGINES CO LTD·Filed 2020·Granted Mar 26, 2024·2 cites·19 claims
- 1977US10851892B2Method of estimating torque in a continuously variable transmissionPERKINS ENGINES CO LTD·Filed 2017·Granted Dec 1, 2020·2 cites·8 claims
- 2077US10662851B2Pipe mixer for an aftertreatment systemPERKINS ENGINES CO LTD·Filed 2017·Granted May 26, 2020·4 cites·13 claims
- 2177US7805932B2Flow assembly for an exhaust systemPERKINS ENGINES CO LTD·Filed 2006·Granted Oct 5, 2010·14 cites·18 claims
- 2277US6883399B2Variable inertia flywheelPERKINS ENGINES CO LTD·Filed 2003·Granted Apr 26, 2005·20 cites·20 claims
- 2376US11374352B2Dust cover for an electrical connector in an electronic control unit (ECU) assemblyPERKINS ENGINES CO LTD·Filed 2020·Granted Jun 28, 2022·2 cites·14 claims
- 2476US11326542B2Engine monitoring apparatusPERKINS ENGINES CO LTD·Filed 2018·Granted May 10, 2022·1 cites·16 claims
- 2576US11230952B2Engine monitoring apparatusPERKINS ENGINES CO LTD·Filed 2018·Granted Jan 25, 2022·1 cites·14 claims
- 2676US7500475B2Engine and method for operating an enginePERKINS ENGINES CO LTD·Filed 2006·Granted Mar 10, 2009·13 cites·45 claims
- 2775US11572934B2Tensioning of belt drivesPERKINS ENGINES CO LTD·Filed 2020·Granted Feb 7, 2023·1 cites·15 claims
- 2875US10717344B2Heating and cooling system for a vehiclePERKINS ENGINES CO LTD·Filed 2015·Granted Jul 21, 2020·2 cites·13 claims
- 2975US7878052B2High pressure cavitation systemPERKINS ENGINES CO LTD·Filed 2008·Granted Feb 1, 2011·10 cites·20 claims
- 3075US6889674B2Combined shut-off valve and cover for an engine breather systemPERKINS ENGINES CO LTD·Filed 2003·Granted May 10, 2005·19 cites·15 claims
- 3174US7070526B2Accessory drive for driving a balance shaftPERKINS ENGINES CO LTD·Filed 2002·Granted Jul 4, 2006·18 cites·16 claims
- 3274US6152101APiston for an internal combustion engine having a re-entrant type combustion bowlPERKINS ENGINES CO LTD·Filed 1997·Granted Nov 28, 2000·34 cites·12 claims
- 3373US10934917B2Method for selective catalytic reduction systemPERKINS ENGINES CO LTD·Filed 2017·Granted Mar 2, 2021·1 cites·10 claims
- 3473US9651012B2Injector mountPERKINS ENGINES CO LTD·Filed 2015·Granted May 16, 2017·2 cites·15 claims
- 3573US7506624B2Variable engine valve actuation systemPERKINS ENGINES CO LTD·Filed 2006·Granted Mar 24, 2009·5 cites·31 claims
- 3672US9810169B2Method and apparatus for controlling the starting of a forced induction internal combustion enginePERKINS ENGINES CO LTD·Filed 2013·Granted Nov 7, 2017·4 cites·9 claims
- 3772US9695779B2Exhaust gas mixing systemPERKINS ENGINES CO LTD·Filed 2015·Granted Jul 4, 2017·2 cites·17 claims
- 3872US9617887B2Emissions cleaning module for an enginePERKINS ENGINES CO LTD·Filed 2013·Granted Apr 11, 2017·1 cites·20 claims
- 3971US12020487B2Vehicle lighting control using image processing of changes in ambient light intensityPERKINS ENGINES CO LTD·Filed 2021·Granted Jun 25, 2024·1 cites·14 claims
- 4071US10774796B2EGR valve with integrated sensorPERKINS ENGINES CO LTD·Filed 2017·Granted Sep 15, 2020·3 cites·15 claims
- 4171US9638079B2Exhaust mixer, emissions cleaning module and methodPERKINS ENGINES CO LTD·Filed 2013·Granted May 2, 2017·1 cites·17 claims
- 4271US6196194B1Injector clampPERKINS ENGINES CO LTD·Filed 1999·Granted Mar 6, 2001·26 cites·15 claims
- 4370US10400650B2Injector deposit dissolution system and methodPERKINS ENGINES CO LTD·Filed 2017·Granted Sep 3, 2019·1 cites·15 claims
- 4470US7886528B2System for controlling exhaust aftertreatmentPERKINS ENGINES CO LTD·Filed 2008·Granted Feb 15, 2011·7 cites·22 claims
- 4569US8342204B2Rotary valve for use in an internal combustion enginePERKINS ENGINES CO LTD·Filed 2007·Granted Jan 1, 2013·6 cites·25 claims
- 4667US6196206B1Breather systemPERKINS ENGINES CO LTD·Filed 2000·Granted Mar 6, 2001·13 cites·24 claims
- 4766US7878166B2Device and method for retaining a valve bridgePERKINS ENGINES CO LTD·Filed 2007·Granted Feb 1, 2011·5 cites·24 claims
- 4865US10934957B2Method and system for determining an amount of a substance in exhaust gas of an internal combustion enginePERKINS ENGINES CO LTD·Filed 2019·Granted Mar 2, 2021·0 cites·15 claims
- 4965US6971361B2Balance shaft assemblyPERKINS ENGINES CO LTD·Filed 2002·Granted Dec 6, 2005·11 cites·18 claims
- 5064US12359608B2Apparatus and methods related to coolant diverter valvesPERKINS ENGINES CO LTD·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
Showing the top 50 of 199 patent records by PatentIndex Score.
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