CUMMINS LTD

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 2540
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 1260
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 1063
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS965
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 653
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 522
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 469
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 466
 
  
 
B01D SEPARATION 3131
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 231

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0342,997 COMPRESSOR AND TURBOCHARGERNov 06, 15Nov 30, 17[F04D]
2017/0254,351 ANTI-ROTATION DEVICE AND ASSEMBLYNov 20, 15Sep 07, 17[F16B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9874217 Turbomachine shaft sealing arrangementAug 19, 13Jan 23, 18[F16C, F04D, F01D]
9846064 Sensor apparatus, corresponding turbocharger and method of measuring a mass flow rateAug 23, 13Dec 19, 17[G01M, F02C, F01D, G01F]
9816434 Variable geometry turbineOct 10, 14Nov 14, 17[F02B, F01D]
9759093 Turbomachine bearing assembly preloading arrangementNov 11, 13Sep 12, 17[F02C, F01D]
9650911 Variable geometry turbineOct 10, 14May 16, 17[F02B, F02D, F01D]
9624934 Air cooling system for a turbocharger driven generatorNov 29, 12Apr 18, 17[F04D, F02B]
9488065 Variable geometry turbineDec 18, 12Nov 08, 16[F01D]
9416727 Engine assembly and waste heat recovery systemDec 21, 12Aug 16, 16[B60K, F01K, F01M, F01N, F16C, F25B, F02B, F25D, F02C, F01D, F02G]
9404404 Heat exchanger for a metering unit of an SCR exhaust-gas aftertreatment deviceSep 19, 12Aug 02, 16[F01N]
9366264 Variable geometry turbineNov 13, 12Jun 14, 16[F04D, F01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0105,730 TURBOMACHINEAbandonedDec 16, 13Apr 17, 14[F01D]
2013/0342,189 ROTATIONAL DEVICEAbandonedSep 06, 11Dec 26, 13[G01P]
2013/0164,157 GENERATOR ARRANGEMENTAbandonedDec 10, 12Jun 27, 13[F04D]

Top Inventors for This Owner

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