United Technologies Diesel Systems, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4889092 Fuel viscosity/density compensation deviceExpiredJul 18, 85Dec 26, 89[F02M]
4660770 Electromagnetic fuel injectorExpiredSep 25, 85Apr 28, 87[F16K, F02M, F16F, B05B]
4658794 Fuel injection controlExpiredNov 07, 85Apr 21, 87[F02M]
4655396 Electromagnetic fuel injectorExpiredSep 25, 85Apr 07, 87[F16K, F02M, B05B]
4651562 SOC signal analysisExpiredMar 26, 86Mar 24, 87[G01M]
4601270 Method and apparatus for torque control of an internal combustion engine as a function of exhaust smoke levelExpiredDec 27, 83Jul 22, 86[F02M]
4586656 Solenoid valve, particularly as bypass valve with fuel injectorExpiredAug 14, 84May 06, 86[F16K, F02M]
4529165 Solenoid valveExpiredAug 14, 84Jul 16, 85[F16K]
4485794 Method and apparatus for controlling diesel engine exhaust gas recirculation partly as a function of exhaust particulate levelExpiredJan 17, 84Dec 04, 84[F02M]

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