Assignee
SEMT
49 granted patents·1,316 citations·filing 1974–1987
Top patents by PatentIndex Score
49 records- 0198US4424790AMethod of improving the efficiency of a supercharged diesel engineSEMT·Filed 1982·Granted Jan 10, 1984·163 cites·6 claims
- 0297US4561253AMethod of operating supercharged diesel engine with modified valve lift and bypassed intake airSEMT·Filed 1985·Granted Dec 31, 1985·101 cites·4 claims
- 0395US4404805AMethod of and system for power generation by supercharged internal combustion engineSEMT·Filed 1981·Granted Sep 20, 1983·71 cites·16 claims
- 0495US4232641AMethod and device for improving the efficiency of internal combustion enginesSEMT·Filed 1978·Granted Nov 11, 1980·55 cites·12 claims
- 0594US4161161ADevice for damping pressure waves in an internal combustion engine fuel injection systemSEMT·Filed 1977·Granted Jul 17, 1979·43 cites·6 claims
- 0690US4700672ATwo-fuel injector apparatus for an internal combustion engineSEMT·Filed 1987·Granted Oct 20, 1987·72 cites·9 claims
- 0790US4288988AMethod and apparatus for improving the gas flow in an internal combustion engine exhaust manifoldSEMT·Filed 1978·Granted Sep 15, 1981·44 cites·26 claims
- 0887US4196593AInternal combustion engine supercharger setSEMT·Filed 1977·Granted Apr 8, 1980·67 cites·5 claims
- 0986US4122679AMethod and means for pre-heating the intake air of a supercharged, low-compression ratio diesel engine when operating at low loadSEMT·Filed 1976·Granted Oct 31, 1978·52 cites·19 claims
- 1086US4120268ADevice for injecting water into the cylinders of an internal combustion engine, particularly for reducing the degree of pollution of the latterSEMT·Filed 1977·Granted Oct 17, 1978·24 cites·4 claims
- 1185US4662319AStructurally lightened piston utilizable especially in an internal combustion engineSEMT·Filed 1985·Granted May 5, 1987·71 cites·5 claims
- 1282US3963384AErosion-preventing device for a lift-and-force pumpSEMT·Filed 1975·Granted Jun 15, 1976·20 cites·11 claims
- 1381US4334409ADevice for recovering heat energy in a supercharged internal-combustion engineSEMT·Filed 1980·Granted Jun 15, 1982·58 cites·2 claims
- 1481US4106798AFluid-tight pipe coupling arrangementSEMT·Filed 1976·Granted Aug 15, 1978·44 cites·3 claims
- 1578US4226216AMethod of quick pneumatic braking of a diesel engineSEMT·Filed 1977·Granted Oct 7, 1980·28 cites·10 claims
- 1678US3977195AMethod for conditioning the intake air of a supercharged, low-compression ratio diesel engineSEMT·Filed 1974·Granted Aug 31, 1976·38 cites·9 claims
- 1773US4094465AMethod and device for obviating the risk of injection fuel leakage, more particularly into the cooling system of diesel engine injectorsSEMT·Filed 1977·Granted Jun 13, 1978·14 cites·6 claims
- 1871US4143319AMethod for magnetically determining the degree of wear of a piston ring of an internal combustion engine while reciprocating thereonSEMT·Filed 1976·Granted Mar 6, 1979·25 cites·4 claims
- 1968US4513572AMethod of recovering energy in a power generator and power generator for carrying out the said methodSEMT·Filed 1983·Granted Apr 30, 1985·31 cites·5 claims
- 2068US4096697AMethod and means for conditioning the intake air of a supercharged, low-compression ratio diesel engineSEMT·Filed 1976·Granted Jun 27, 1978·28 cites·77 claims
- 2166US4363293APiston for a reciprocating piston machine, particularly an internal combustion engineSEMT·Filed 1981·Granted Dec 14, 1982·28 cites·10 claims
- 2262US4591321AMethod and apparatus for removing pressure peaks and damping hydraulic pressure waves and peaks from pressure variations in the feed ducts of a hydraulic pump and a pump for implementing the methodSEMT·Filed 1985·Granted May 27, 1986·18 cites·13 claims
- 2362US4182282AMushroom valve housing with fluid coolant circulation for internal combustion enginesSEMT·Filed 1978·Granted Jan 8, 1980·19 cites·7 claims
- 2460US4195610AMethod and device for stopping a fuel-injection internal combustion engine in case of overspeedSEMT·Filed 1978·Granted Apr 1, 1980·9 cites·7 claims
- 2557US4662321AMethod and apparatus for regulating the temperature of the inside surface of internal combustion engine cylinder linersSEMT·Filed 1985·Granted May 5, 1987·18 cites·3 claims
- 2657US4038558AElectric power generating device fed with energy recovered from the exhaust gases of an internal combustion engineSEMT·Filed 1975·Granted Jul 26, 1977·20 cites·5 claims
- 2756US3945356ACooled exhaust valve and methods of manufacture thereofSEMT·Filed 1974·Granted Mar 23, 1976·15 cites·19 claims
- 2853US4027365AMethod for removing and re-installing the crank-shaft of an internal combustion engine and device for carrying out the said methodSEMT·Filed 1975·Granted Jun 7, 1977·14 cites·6 claims
- 2947US4147138AMushroom-type valve cooled by cooling fluid circulationSEMT·Filed 1976·Granted Apr 3, 1979·11 cites·19 claims
- 3044US4327678ASupport device for the set of valve rockers of an internal combustion engine, particularly a large-size engineSEMT·Filed 1980·Granted May 4, 1982·11 cites·9 claims
- 3144US3961482AMethod and device for cleaning a supercharging set powering turbine driven by the exhaust gases of a heat engineSEMT·Filed 1974·Granted Jun 8, 1976·13 cites·7 claims
- 3241US4008695ACooled integral valve chest for an internal combustion engine and method for making sameSEMT·Filed 1975·Granted Feb 22, 1977·9 cites·11 claims
- 3340US4550647APiston pin and piston, notably for an internal combustion engine, equipped with said pinSEMT·Filed 1984·Granted Nov 5, 1985·9 cites·20 claims
- 3437US4761993AMethod for monitoring the operation of an internal combustion engineSEMT·Filed 1987·Granted Aug 9, 1988·12 cites·10 claims
- 3537US4090819AFuel injection pump with cavitation preventing steps along the fuel return flow pathSEMT·Filed 1976·Granted May 23, 1978·3 cites·4 claims
- 3637US4038825APneumatic method and device for diesel engine braking and restarting in the reverse directionSEMT·Filed 1975·Granted Aug 2, 1977·6 cites·8 claims
- 3737US4008981ADevice for locating the position of the control rack of a pump and for locking the latter in disassembling positionSEMT·Filed 1975·Granted Feb 22, 1977·4 cites·6 claims
- 3836US4022294ADevice for lubricating the guiding system of an internal combustion engine valveSEMT·Filed 1975·Granted May 10, 1977·7 cites·3 claims
- 3934US4262638AMushroom valve with forced fluid cooling, in particular for an internal combustion engineSEMT·Filed 1979·Granted Apr 21, 1981·5 cites·15 claims
- 4032US4583498AMethod of changing the direction of rotation of an internal combustion engine, and an engine applying the methodSEMT·Filed 1985·Granted Apr 22, 1986·5 cites·5 claims
- 4131US4002087AMachine crank-shaft with improved dynamic balance ratioSEMT·Filed 1975·Granted Jan 11, 1977·5 cites·1 claims
- 4229US4296715AApparatus for external cooling of an exhaust valveSEMT·Filed 1979·Granted Oct 27, 1981·2 cites·5 claims
- 4328US4635595AStarting method for internal combustion engineSEMT·Filed 1985·Granted Jan 13, 1987·8 cites·3 claims
- 4428US4084410AFlexible coupling deviceSEMT·Filed 1976·Granted Apr 18, 1978·6 cites·14 claims
- 4528US4016851ASafety control method and device for limiting the temperature of a fluid to a given upper valueSEMT·Filed 1974·Granted Apr 12, 1977·4 cites·17 claims
- 4628US3963008AMethod of removing a valve mounted in an internal combustion engine cylinder-head and actuating device for carrying out the said methodSEMT·Filed 1974·Granted Jun 15, 1976·2 cites·4 claims
- 4726US4112883AInternal combustion engine fit-up deviceSEMT·Filed 1977·Granted Sep 12, 1978·1 cites·7 claims
- 4825US4341185AFluid-cooled valve housing for an engine having two exhaust valves per cylinderSEMT·Filed 1979·Granted Jul 27, 1982·2 cites·22 claims
- 4924US4480792AFuel injector with gear-driven calibration of needleSEMT·Filed 1982·Granted Nov 6, 1984·1 cites·1 claims
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