CUMMINS POWERGEN IP, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 5102
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 369
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 370
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 391
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 271
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 238
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2118
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 285
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 2154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9482154 Exhaust gas collector for an exhaust aftertreatment systemDec 05, 12Nov 01, 16[F01N, F02C, F01D]
9333466 Diesel exhaust fluid injector assemblyDec 05, 12May 10, 16[F01N, B01F, B01D]
8806853 System and method for SCR inducementDec 05, 12Aug 19, 14[F01N]
5784267 Quasi-sine wave and stepped square wave AC to AC converterOct 17, 96Jul 21, 98[H02J, H02M]
5717273 Insulating armature end turn capFeb 28, 96Feb 10, 98[H02K]
5652416 Mechanically held electrically or manually operated switchNov 22, 95Jul 29, 97[H01H]
5638948 Electric transfer switch having three-position toggle mechanismJun 05, 95Jun 17, 97[H01H]
5619956 Auxiliary power unit for hybrid electric vehicleJun 07, 95Apr 15, 97[F01P]
5606946 Auxiliary power unit for a hybrid electric vehicleJun 07, 95Mar 04, 97[F02B]
5605129 Electrically controlled actuator apparatus and methodNov 29, 94Feb 25, 97[F02D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5815058 Contact enhancement apparatus for an electric switchExpiredApr 02, 97Sep 29, 98[H01H]
5771682 Thermal reactorExpiredJul 28, 95Jun 30, 98[F01N]
5701070 Electrical generator damage protection apparatus and method with circuit breaker trip initiationExpiredAug 04, 95Dec 23, 97[H02H]
D344711 Enclosure for an engine-driven generating setExpiredNov 15, 91Mar 01, 94[]
D331929 Shroud for an internal combustion engineExpiredJul 12, 89Dec 22, 92[]
5168208 Microprocessor based integrated generator set controller apparatus and methodExpiredJan 09, 91Dec 01, 92[H02P, H02H]
5146889 Governor assist mechanismExpiredSep 18, 90Sep 15, 92[F02M, F02D]
5096153 Shock and vibration mountExpiredOct 19, 90Mar 17, 92[F16M]
5076247 Automatic carburetor air preheat systemExpiredOct 19, 90Dec 31, 91[F02M]
5069180 Automatic choke apparatus and methodExpiredOct 19, 90Dec 03, 91[F02M, F02D]
5046473 Automatic air intake temperature regulator apparatus and methodExpiredApr 19, 90Sep 10, 91[F02M]
5039931 12 Volt battery charger circuitExpiredOct 04, 89Aug 13, 91[H02J]
5018676 Armature winding arrangement and method for electrical machineExpiredSep 13, 89May 28, 91[H02K]
5006781 Microprocessor based integrated generator set controller apparatus and methodExpiredMay 09, 88Apr 09, 91[H02P, H02H]
5003949 Governor assist mechanismExpiredApr 21, 89Apr 02, 91[F02D]
4999598 Three-position actuating mechanism for transfer switchExpiredJul 18, 89Mar 12, 91[H01H]
D309288 Generator set enclosureExpiredNov 30, 87Jul 17, 90[]
4912382 Fail safe monitoring apparatus and methodExpiredMay 09, 88Mar 27, 90[G05B]
D303785 Enclosure for an engine driven generator setExpiredAug 01, 86Oct 03, 89[]
4836167 Engine governor friction damper and methodExpiredAug 31, 87Jun 06, 89[F02M]

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