DIESEL TECHNOLOGY COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 1073
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 557
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 172
 
  
 
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
6513371 Method for determining fuel injection rate shaping current in an engine fuel injection systemJul 31, 01Feb 04, 03[G01M]
6450778 Pump system with high pressure restrictionDec 07, 00Sep 17, 02[F04B]
6339877 Method and apparatus for refurbishing a valve seat in a fuel injector assemblyFeb 01, 99Jan 22, 02[B23P]
6276610 Control valveDec 11, 98Aug 21, 01[F02D]
6238190 Fuel injection pump and snubber valve assemblyMar 18, 99May 29, 01[F04B]
6158419 Control valve assembly for pumps and injectorsMar 10, 99Dec 12, 00[F02M]
6089470 Control valve assembly for pumps and injectorsMar 10, 99Jul 18, 00[F02M]
6059545 Fuel pump control valve assemblyJul 30, 99May 09, 00[F04B]
6036460 Flexible armature for fuel injection system control valveJun 29, 98Mar 14, 00[F02M]
6019091 Control valveAug 13, 98Feb 01, 00[F02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0008,154 METHOD AND APPARATUS FOR PROVIDING A CONTROLLED INJECTION RATE AND INJECTION PRESSURE IN FUEL INJECTOR ASSEMBLYAbandonedJan 29, 99Jan 24, 02[F02D]
6116209 Method of utilization of valve bounce in a solenoid valve controlled fuel injection systemExpiredMay 27, 98Sep 12, 00[F02B]
5937520 Method of assembling fuel injector pump componentsExpiredNov 25, 97Aug 17, 99[B21K]
5836286 Adjustable eccentric fuel couplingExpiredApr 24, 97Nov 17, 98[F02M]
5782411 Solenoid stator assembly for an electromechanically actuated fuel injectorExpiredDec 23, 96Jul 21, 98[F02M]
5443209 High pressure diesel fuel injector for internal combustion enginesExpiredAug 02, 94Aug 22, 95[F02M]
5221046 Methanol fueled diesel internal combustion engine fuel injector nozzleExpiredSep 10, 91Jun 22, 93[F02M]
5133645 Common rail fuel injection systemExpiredJul 16, 90Jul 28, 92[F02M, F04B]
4741478 Diesel unit fuel injector with spill assist injection needle valve closureExpiredNov 28, 86May 03, 88[F02M]
4618095 Electromagnetic unit fuel injector with port assist spilldownExpiredJul 02, 85Oct 21, 86[F02M]
4572433 Electromagnetic unit fuel injectorExpiredAug 20, 84Feb 25, 86[F02M]
4568021 Electromagnetic unit fuel injectorExpiredApr 02, 84Feb 04, 86[F02M]
4550875 Electromagnetic unit fuel injector with piston assist solenoid actuated control valveExpiredAug 06, 84Nov 05, 85[F02M]
4540122 Electromagnetic unit fuel injector with pivotable armatureExpiredOct 26, 83Sep 10, 85[F02M]
4527737 Electromagnetic unit fuel injector with differential valveExpiredSep 09, 83Jul 09, 85[F02M]
4485969 Electromagnetic unit fuel injector with cartridge type solenoid actuated valveExpiredApr 04, 83Dec 04, 84[F02M]
4482094 Electromagnetic unit fuel injectorExpiredSep 06, 83Nov 13, 84[F02M]
4470545 Electromagnetic unit fuel injectorExpiredApr 04, 83Sep 11, 84[F02M]
4463900 Electromagnetic unit fuel injectorExpiredJan 12, 83Aug 07, 84[F02M]
4408718 Electromagnetic unit fuel injectorExpiredSep 25, 81Oct 11, 83[F02M]

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