PERKINS ENGINES COMPANY LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 2942
 
 
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 2359
 
 
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 1648
 
 
 
F02D CONTROLLING COMBUSTION ENGINES 1349
 
 
 
B01D SEPARATION 9108
 
 
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 947
 
 
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 526
 
 
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 527
 
 
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR555
 
 
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING461

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0211,410 Engine Component Sleeve with an Integrated Heat Transfer ArrangementMay 24, 13Jul 30, 15[F01P, F02F]
2015/0211,413 Combustion Engine and Method of Use Resulting in Reduced Soot EmissionsJul 26, 13Jul 30, 15[F02M, F02B]
2015/0204,226 Method and Apparatus for Controlling an Exhaust Gas After-Treatment SystemJul 26, 13Jul 23, 15[F01N]
2015/0204,227 Method of Controlling Operation of an Engine Having Both an Exhaust Fluid Recirculation Apparatus and an Exhaust Fluid Treatment ApparatusJul 24, 13Jul 23, 15[F01N, F02M, F02D]
2015/0190,749 Method and Apparatus for Estimating the Amount of Reductant Slip in a Selective Catalytic Reduction DeviceJun 26, 13Jul 09, 15[G01N, B01D]
2015/0192,046 INJECTOR UNIT FOR AFTER-TREATMENT SYSTEMMar 18, 15Jul 09, 15[F01N]
2015/0185,722 Method of Controlling Operation of an Exhaust Fluid Treatment ApparatusJul 24, 13Jul 02, 15[G05B, F01N, B01D, F02D]
2015/0165,379 Exhaust Gas Treatment Apparatus Functionality CheckJul 24, 13Jun 18, 15[F01N, B01D]
2015/0167,520 Inlet Module for an Emissions Cleaning ModuleJul 27, 12Jun 18, 15[F01N]
2015/0143,884 Method and Apparatus for Estimating a Dosing-Error in a Selective Catalytic Reduction SystemJun 20, 13May 28, 15[F01N, G01M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,032,931 Exhaust gas recirculation (EGR) apparatusJul 29, 11May 19, 15[F02M, F02D]
8,881,712 Exhaust gas mixing systemJun 04, 09Nov 11, 14[F02M]
D716347 Clean emissions moduleApr 12, 13Oct 28, 14[1501]
8,776,501 Regeneration assist calibrationJul 15, 13Jul 15, 14[F01N]
8,636,487 Dual stage pump having intermittent mid-shift load supportsApr 26, 07Jan 28, 14[F03C, F04C]
8,631,642 Regeneration assist calibrationDec 22, 09Jan 21, 14[F01N]
8,631,643 Regeneration assist delay periodDec 22, 09Jan 21, 14[F01N]
8,534,045 After-treatment de-contamination systemJul 13, 09Sep 17, 13[F01N]
8,388,711 Autoselective regenerating particulate filterAug 22, 06Mar 05, 13[F01N, B01D]
8,342,204 Rotary valve for use in an internal combustion engineDec 13, 07Jan 01, 13[F16K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0152,214 TURBOCHARGER SYSTEMABANDec 16, 11Jun 21, 12[F04D, F02B]
2012/0024,244 CAMSHAFT SPEED SENSOR TARGETABANDec 04, 09Feb 02, 12[B21K]
2011/0283,886 Method And Apparatus For Regenerating A FilterABANSep 30, 08Nov 24, 11[B01D]
2011/0220,051 Push Rod Retainer, Rocker Arm and Method for Retaining Together a Push Rod and a Rocker ArmABANNov 19, 09Sep 15, 11[F01L, F02F]
2011/0146,245 SULFUR DETECTION ROUTINEABANDec 22, 09Jun 23, 11[F01N]
2011/0146,246 REGENERATION ASSIST TRANSITION PERIODABANDec 22, 09Jun 23, 11[F01N]
2010/0326,235 METAL FORGED CRANKSHAFT, APPARATUS FOR METAL FORGING A CRANKSHAFT AND METHOD OF METAL FORGING A CRANKSHAFTABANFeb 29, 08Dec 30, 10[F16C]
2010/0294,216 WATER PUMP HAVING A RESERVOIRABANNov 26, 08Nov 25, 10[F04B, F04D, F01P]
2010/0199,634 EXHAUST TREATMENT SYSTEM IMPLEMENTING SELECTIVE DOC BYPASSABANMay 02, 07Aug 12, 10[F01N]
7,721,718 System for controlling an air to fuel ratioExpiredFeb 07, 08May 25, 10[F02M]
2009/0211,556 System for maintaining a pump inlet pressureABANFeb 25, 08Aug 27, 09[F02M]
2009/0056,546 Partial flow exhaust filterABANAug 31, 07Mar 05, 09[B01D]
7,128,039 Engine air induction arrangement and methodExpiredDec 10, 03Oct 31, 06[F02M]
7,124,752 Deflector for limiting the ingress of liquid oilExpiredApr 23, 04Oct 24, 06[F01M]
7,114,230 Method and apparatus for automatically setting rocker arm clearances in an internal combustion engineExpiredNov 04, 03Oct 03, 06[B23Q]
7,070,526 Accessory drive for driving a balance shaftExpiredMar 18, 02Jul 04, 06[F16H]
7,055,510 Internal combustion engine having an internal barrier device to reduce oil carry-overExpiredApr 23, 04Jun 06, 06[F02M]
7,028,763 Cooling arrangement and method with selected surfaces configured to inhibit changes in boiling stateExpiredDec 11, 03Apr 18, 06[F28F]
2006/0032,219 Power system exhaust manifoldABANAug 12, 04Feb 16, 06[F01N]
6,971,361 Balance shaft assemblyExpiredMar 18, 02Dec 06, 05[F02B]

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