Assignee
MARELLI AUTRONICA
IT·46 granted patents·1,170 citations·filing 1981–1994
Top patents by PatentIndex Score
46 records- 0195US5142236ASwitched-capacitor circuit having a full-wave-rectifying and integrating functionMARELLI AUTRONICA·Filed 1990·Granted Aug 25, 1992·101 cites·3 claims
- 0293US4412169ACircuit for detecting and indicating faults and operating anomalies in a system for recharging electric accumulatorsMARELLI AUTRONICA·Filed 1981·Granted Oct 25, 1983·200 cites·20 claims
- 0387US4950974ACircuit for piloting an inductive load, particularly for controlling the electro-injectors of a diesel engineMARELLI AUTRONICA·Filed 1989·Granted Aug 21, 1990·38 cites·3 claims
- 0484US4782319APressure sensorMARELLI AUTRONICA·Filed 1987·Granted Nov 1, 1988·59 cites·2 claims
- 0581US5127388AIgnition system for an internal combustion engineMARELLI AUTRONICA·Filed 1991·Granted Jul 7, 1992·40 cites·5 claims
- 0680US4915086AVariable-energy-spark ignition system for internal combustion engines, particularly for motor vehiclesMARELLI AUTRONICA·Filed 1988·Granted Apr 10, 1990·37 cites·6 claims
- 0779US4541284ADevice for monitoring the pressure of fluid in a ductMARELLI AUTRONICA·Filed 1984·Granted Sep 17, 1985·26 cites·1 claims
- 0878US5673194ARecording system for a production lineMARELLI AUTRONICA·Filed 1994·Granted Sep 30, 1997·62 cites·34 claims
- 0977US5343157AMethod and apparatus for measuring an unknown capacitance using a known reference capacitanceMARELLI AUTRONICA·Filed 1992·Granted Aug 30, 1994·47 cites·32 claims
- 1077US4583296AElectrical inclination sensor and method for its manufactureMARELLI AUTRONICA·Filed 1985·Granted Apr 22, 1986·44 cites·16 claims
- 1177US4456870ASplit windings motor vehicle alternatorMARELLI AUTRONICA·Filed 1982·Granted Jun 26, 1984·40 cites·6 claims
- 1276US4862866ACircuit for the piloting of inductive loads, particularly for operating the electro-injectors of a diesel-cycle internal combustion engineMARELLI AUTRONICA·Filed 1988·Granted Sep 5, 1989·28 cites·10 claims
- 1376US4793189AThick-film strain gauge for sensing stresses & strains in mechanical members or structuresMARELLI AUTRONICA·Filed 1987·Granted Dec 27, 1988·34 cites·1 claims
- 1473US5254935AMonitoring circuit for a system for recharging a motor vehicle batteryMARELLI AUTRONICA·Filed 1992·Granted Oct 19, 1993·48 cites·8 claims
- 1571US5173832AElectrical circuit, particularly an electronic power circuit for motor vehicle injection systems, with a function for the detection and diagnosis of faults, and the related methodMARELLI AUTRONICA·Filed 1989·Granted Dec 22, 1992·20 cites·14 claims
- 1670US5015878ACircuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensorMARELLI AUTRONICA·Filed 1989·Granted May 14, 1991·24 cites·2 claims
- 1769US5313114AComparator circuit with precision hysteresis and high input impedanceMARELLI AUTRONICA·Filed 1991·Granted May 17, 1994·24 cites·20 claims
- 1868US4964377AIgnition system for an internal combustion engineMARELLI AUTRONICA·Filed 1989·Granted Oct 23, 1990·13 cites·4 claims
- 1965US4937518AElectrical inclination sensor and a monitoring circuit for the sensorMARELLI AUTRONICA·Filed 1989·Granted Jun 26, 1990·30 cites·15 claims
- 2063US5151634ADevice for controlling a gas-discharge lamp for use in a motor vehicleMARELLI AUTRONICA·Filed 1991·Granted Sep 29, 1992·24 cites·7 claims
- 2159US4933805ACircuit for controlling inductive loads, particularly for the operation of the electro-injectors of a diesel-engineMARELLI AUTRONICA·Filed 1988·Granted Jun 12, 1990·15 cites·6 claims
- 2258US4966039AElectrical force and/or deformation sensor, particularly for use as a pressure sensorMARELLI AUTRONICA·Filed 1990·Granted Oct 30, 1990·21 cites·6 claims
- 2357US4967718AIgnition system for an internal combustion engine using thyristorsMARELLI AUTRONICA·Filed 1989·Granted Nov 6, 1990·9 cites·2 claims
- 2454US4943776ADevice and a method for the detection of pinking in Otto enginesMARELLI AUTRONICA·Filed 1989·Granted Jul 24, 1990·11 cites·22 claims
- 2552US5313121ACircuit for processing signals supplied by a zirconium-type oxygen sensorMARELLI AUTRONICA·Filed 1991·Granted May 17, 1994·15 cites·7 claims
- 2646US4732044APressure measuring deviceMARELLI AUTRONICA·Filed 1986·Granted Mar 22, 1988·13 cites·7 claims
- 2744US4660534AElectronic ignition system with static distribution for a carburettor engineMARELLI AUTRONICA·Filed 1985·Granted Apr 28, 1987·8 cites·5 claims
- 2840US4799471AElectronic system for controlling the ignition of an internal combustion engine, particularly for motor vehiclesMARELLI AUTRONICA·Filed 1988·Granted Jan 24, 1989·6 cites·3 claims
- 2939US4561296ADiagnostic device for a system for controlling the stopping and restarting of a internal combustion engine for motor vehiclesMARELLI AUTRONICA·Filed 1984·Granted Dec 31, 1985·8 cites·6 claims
- 3038US5195011ACircuit for interfacing between a microprocessor and a plurality of power stages, particularly for controlling electro-injectorsMARELLI AUTRONICA·Filed 1990·Granted Mar 16, 1993·7 cites·5 claims
- 3138US4965777AVery-high-pressure transducer, particularly for detecting the pressure of a hydraulic fluidMARELLI AUTRONICA·Filed 1989·Granted Oct 23, 1990·12 cites·5 claims
- 3237US4718683ALinear displacement-electrical signal transducer, particularly for automatic levelling devices for motor vehicle suspensionsMARELLI AUTRONICA·Filed 1985·Granted Jan 12, 1988·14 cites·9 claims
- 3336US5132605ASystem for recharging the battery of a motor vehicleMARELLI AUTRONICA·Filed 1991·Granted Jul 21, 1992·13 cites·3 claims
- 3434US5113316ASystem for the assembly and connection of electronic circuit boards, particularly for use in motor vehiclesMARELLI AUTRONICA·Filed 1990·Granted May 12, 1992·12 cites·3 claims
- 3534US4771261AMethod for achieving the electrical and mechanical interconnection of two bodies, particularly the diaphragm and the support of a thick-film pressure sensor, and devices made by this methodMARELLI AUTRONICA·Filed 1987·Granted Sep 13, 1988·8 cites·6 claims
- 3633US5146777ADevice for detecting pinking, cylinder by cylinder, in a multi-cylinder otto engineMARELLI AUTRONICA·Filed 1990·Granted Sep 15, 1992·8 cites·6 claims
- 3733US5015879ACircuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensorMARELLI AUTRONICA·Filed 1989·Granted May 14, 1991·6 cites·3 claims
- 3832US5329209ASelf-oscillating circuit for driving a gas discharge lamp, particularly for use on board a motor vehicleMARELLI AUTRONICA·Filed 1992·Granted Jul 12, 1994·4 cites·2 claims
- 3932US5173654AVoltage-regulator circuit for a system for recharging the battery of a motor vehicleMARELLI AUTRONICA·Filed 1991·Granted Dec 22, 1992·11 cites·14 claims
- 4032US5155396AIntegrated interface circuit for processing the signal supplied by a capacitive sensorMARELLI AUTRONICA·Filed 1990·Granted Oct 13, 1992·5 cites·10 claims
- 4130US4748853AInterface circuit between a sensor, particularly a thick film pressure sensor and an electrodynamic instrument, and a sensor incorporating such a circuitMARELLI AUTRONICA·Filed 1986·Granted Jun 7, 1988·3 cites·8 claims
- 4229US5289105AVoltage-regulator circuit for a system for recharging the battery of a motor vehicleMARELLI AUTRONICA·Filed 1991·Granted Feb 22, 1994·5 cites·2 claims
- 4329US4775850AThick-film sensor, particularly a pressure sensorMARELLI AUTRONICA·Filed 1987·Granted Oct 4, 1988·3 cites·4 claims
- 4424US5151646ABattery-recharging system for a motor vehicleMARELLI AUTRONICA·Filed 1991·Granted Sep 29, 1992·8 cites·4 claims
- 4524US4767163AMotor vehicle braking system with a wheel anti-locking function with vacuum sensorMARELLI AUTRONICA·Filed 1987·Granted Aug 30, 1988·2 cites·3 claims
- 4618US4740737AConstant-current control circuit for a stepped motor of single-pole type, particularly for use in motor vehiclesMARELLI AUTRONICA·Filed 1986·Granted Apr 26, 1988·4 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →