KEFICO CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT 272
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 139
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 172
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9273792 Solenoid valve with magnet filterApr 25, 13Mar 01, 16[F16K]
9046049 Apparatus and method for controlling fuel injection in a bi-fuel vehicle running on two fuels, I.E. gasoline and LPGJul 29, 10Jun 02, 15[F02M, F02D]
8944031 Mounting structure for a direct injection fuel railJul 29, 10Feb 03, 15[F02M]
8775002 Fail-safety control method for hybrid vehicleSep 14, 12Jul 08, 14[B60W, B60L]
8677972 Intake manifold module for preventing fuel leakage of vehicle and manufacturing method thereofDec 06, 11Mar 25, 14[F02B]
8602009 Chamber structure for vehicleMay 14, 12Dec 10, 13[F01M, F01P, F02B]
8552733 Electrical leak detecting apparatus for an electric vehicleApr 14, 09Oct 08, 13[G01R]
8515634 Shift control method for automatic transmission in four-wheel drive vehicleJul 11, 07Aug 20, 13[B60W]
8214112 Engine control method for a vehicle with idle stop functionFeb 14, 08Jul 03, 12[B60K, G06F]
8058877 Circuit for measuring battery voltage and method for battery voltage measurement using the sameMar 26, 07Nov 15, 11[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0008,287 INJECTOR FILTER AND METHOD OF MANUFACTURING THE SAMEAbandonedNov 13, 12Jan 09, 14[B23P, B01D]
2013/0062,544 Hydraulic Solenoid Valve for an Automatic Transmission of a VehicleAbandonedMay 25, 11Mar 14, 13[F16K]
6142020 Pressure and temperature sensor assembly for internal combustion enginesExpiredJul 02, 98Nov 07, 00[G01M]
5987996 Manifold absolute pressure sensor for internal combustion enginesExpiredJul 02, 98Nov 23, 99[G01L]

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