MAN NUTZFAHRZEUGE AG

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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 865
 
  
 
B01D SEPARATION 7127
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 253
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 271
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8756927 Method and device for the regeneration of a particle filter arranged in the exhaust gas tract of an internal combustion engineAug 12, 09Jun 24, 14[F01N, F01D]
8726640 Device for the aftertreatment of exhaust gases of internal combustion enginesNov 19, 10May 20, 14[F01N]
8613264 Gas exchange valve for internal combustion enginesOct 29, 09Dec 24, 13[F01L]
8409517 Sulfur-resistant exhaust gas aftertreatment system for the oxidation of NOMar 31, 09Apr 02, 13[B01D]
8404011 Method and device for the regeneration of a particle filter arranged in the exhaust gas tract of an internal combustion engineAug 12, 09Mar 26, 13[F01N, B01D]
8341944 Method for adjusting the metered quantity of reducing agent for selective catalytic reductionMar 08, 10Jan 01, 13[F01N]
8268273 Method and device for the regeneration of a particle filter arranged in the exhaust gas train of an internal combustion engineAug 12, 09Sep 18, 12[F01N, G05B, B01J, B01D]
8261538 Compact exhaust gas aftertreatment systemFeb 18, 09Sep 11, 12[F01N]
8240288 Internal combustion engine having a motor brake assemblyOct 01, 10Aug 14, 12[F02D]
8236248 Sulfur-resistant exhaust gas aftertreatment system for the reduction of nitrogen oxidesMar 31, 09Aug 07, 12[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0212,867 Cooling Device for Engine Oil and/or Transmission Oil, Particularly in an Internal Combustion EngineAbandonedFeb 17, 10Aug 26, 10[F28D, F28F]
2010/0065,538 Method and Device for the Fracture Separation of WorkpiecesAbandonedSep 18, 09Mar 18, 10[B23K]
2008/0008,629 Arrangement for Reducing Nitrogen Oxides in Exhaust GasesAbandonedJun 29, 07Jan 10, 08[B05D, B21C, B01D]
2007/0214,789 VEHICLE OR STATIONARY POWER PLANT HAVING A TURBOCHARGED INTERNAL COMBUSTION ENGINE AS A DRIVE SOURCEAbandonedMar 14, 07Sep 20, 07[F02B, F02G]
2005/0269,053 Method and device for feeder head-poor or feeder head-free casting of hypoeutectic cast iron alloysAbandonedJun 03, 05Dec 08, 05[B22D]
6763798 Auxiliary drive for internal combustion enginesExpiredJul 20, 01Jul 20, 04[F02B]
6532912 Piston cooling system for an internal combustion engineExpiredMay 17, 01Mar 18, 03[F01P]
6484684 Crankshaft rotational support arrangement for an internal combustion engineExpiredMay 17, 01Nov 26, 02[F02F]
6422738 Compact cross-channel mixerExpiredSep 24, 99Jul 23, 02[B21D, B01F, B32B]
2002/0069,851 Method for improving the response relationship of an exhaust gas turbo charger of an internal combustion engineAbandonedDec 12, 01Jun 13, 02[F02B]
6394046 Fluid cooled cylinder liner for a cylinder of an internal combustion engineExpiredMay 23, 01May 28, 02[F02F]
6191544 Device for compensation of voltage drop at light sources of a vehicle with electrical auxiliary charging deviceExpiredJul 28, 99Feb 20, 01[H02J, B60Q]
5682746 Exhaust gas return system for a turbo-charged internal combustion engineExpiredJun 13, 96Nov 04, 97[F02M]
5404851 Device for switching a combustion engine from one mode of operation to another mode of operationExpiredAug 19, 93Apr 11, 95[F02D]
5377643 Cylinder head sealing device for an internal combustion engineExpiredApr 16, 93Jan 03, 95[F16J]
5363820 Combustion chamber for air compressing, self-igniting internal combustion enginesExpiredAug 25, 93Nov 15, 94[F02F]
5327996 Central swivel joint for optimizing ground adaptation of front machinery of farm tractorsExpiredMar 26, 93Jul 12, 94[F16C]
5282577 Cross section controlled multi-jet injection valveExpiredMay 30, 91Feb 01, 94[B05B, F02M]
5280773 Method and apparatus for injecting fuel into a combustion chamber of an air compressing, spontaneous ignition, internal combustion engineExpiredNov 02, 90Jan 25, 94[F02M]
5273013 Device for controlling an outlet valve in the engine brake modeExpiredMar 19, 93Dec 28, 93[F02D]

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