INDUSTRIE MAGNETI MARELLI S.P.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02N STARTING OF COMBUSTION ENGINES 132
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 138
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5256992 Electrical switch, particularly for controlling the supply of current to the electric starter motor of an internal combustion engineOct 29, 91Oct 26, 93[H01H]
5146797 Support housing for an electric starter motor for an internal combustion engineJun 20, 91Sep 15, 92[F02N]
5125386 Coil ignition unit for an internal combustion engineMay 07, 91Jun 30, 92[F02P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5800127 Method of balancing fan rotors, particularly electric fans for use in motor vehiclesExpiredDec 27, 96Sep 01, 98[F04D]
5407142 Method for producing stator windings for an electric motor, particularly a brushless motorExpiredMay 05, 93Apr 18, 95[H02K, B65H]
5383428 Starter system for an internal combustion engine and a solenoid usable in the starter systemExpiredMar 22, 93Jan 24, 95[F02N]
5361025 Interface circuit for generating and analogue signal to control the speed of rotation of a direct-current electric motorExpiredMar 26, 93Nov 01, 94[G05B]
5359306 Electromagnetic device for controlling the supply of current to the electric starter motor of an internal combustion engineExpiredJun 01, 93Oct 25, 94[H01H]
5325827 Starting system for an internal combustion engineExpiredMar 22, 93Jul 05, 94[F02N]
5291105 Control circuit for a half-wave brushless motor with a surge limiterExpiredOct 01, 92Mar 01, 94[H02K]
5241247 Linear feedback control circuit for a half-wave polyphase brushless motorExpiredOct 01, 92Aug 31, 93[H02P]
5233250 Three-phase brushless motors with half-wave controlExpiredFeb 26, 92Aug 03, 93[H02K]
5222401 Starter for an internal combustion engine for motor vehiclesExpiredJun 23, 92Jun 29, 93[F02N]
5217353 Fan, particularly for motor vehiclesExpiredOct 23, 91Jun 08, 93[F04B]
5207194 System for starting an internal combustion engine for motor vehiclesExpiredOct 24, 91May 04, 93[F02N]
5142924 Starter device for internal combustion engines and an electromagnetically-operated starter motor provided with the deviceExpiredJun 12, 91Sep 01, 92[F02N, H01H]
5125471 Automatic car-speed controllerExpiredAug 07, 90Jun 30, 92[B60K]
4902922 Alternator rotor, particularly for motor vehiclesExpiredSep 09, 88Feb 20, 90[H02K]
4801909 Electromagnetic device for controlling current to a starter motorExpiredAug 04, 87Jan 31, 89[H01H]
4741579 Pneumatic distributor of the duplex type for motor vehicle braking systemsExpiredApr 02, 87May 03, 88[B60T]
4712577 Pneumatic valve for braking systemsExpiredApr 02, 87Dec 15, 87[F16K, B60T]

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