Automobiles Citroen

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 588
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 380
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 150
 
  
 
B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES 156
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION158
 
  
 
F16H GEARING199

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6649297 Bipolar plates for fuel cell and fuel cell comprising sameJun 28, 01Nov 18, 03[H01M]
6547697 Method for controlling engine torque when shifting gearsMay 14, 01Apr 15, 03[B60K]
6459977 Method for controlling an automatic transmission gear ratio shiftsFeb 09, 00Oct 01, 02[G06F]
6359252 Method for welding coated sheets with an energy beam, such as a laser beamSep 10, 99Mar 19, 02[B23K]
6360155 Method for controlling automatic transmission downshift phasesFeb 09, 00Mar 19, 02[B60K, G06F]
6266603 Method for detecting slippery surfaces and blocked vehicle wheels, automatic transmission implementing the method and vehicle equipped with sameJan 27, 00Jul 24, 01[B60K]
6170467 Device for fixing a fuel injector on an internal combustion engine cylinder head, and method for fixing said injectorMar 31, 99Jan 09, 01[F02M]
6127781 Device for controlling the operation of at least one functional member of a motor vehicleDec 01, 99Oct 03, 00[H05B]
6116219 Device for fixing a fuel injector on an internal combustion engine cylinder headMar 31, 99Sep 12, 00[F02M]
6058976 Gas-impermeable elastic membrane and hydropneumatic accumulator equipped with this membraneFeb 17, 98May 09, 00[F16L, B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6941749 Device for the treatment of the exhaust gases of a compression-ignition engine comprising a catalyst and a nitrogen oxide adsorber placed in the exhaust manifoldExpiredDec 18, 95Sep 13, 05[F01N]
6499620 Antinoise device for vehicle, particularly motor vehicle, fuel tankExpiredAug 25, 00Dec 31, 02[B65D]
6453618 Self adhesive strip forming for example a joint for automobile vehiclesExpiredMar 20, 00Sep 24, 02[E06B]
6405118 System for characterizing a computer to control a wheel anti-lock device for a motor vehicleExpiredApr 17, 98Jun 11, 02[G06F]
6332449 Device for controlling the opening and closing of at least an internal combustion engine cylinder head air conduitExpiredJan 03, 00Dec 25, 01[F02D]
6330938 Method and device for controlling an electric actuator activating a functional systemExpiredMar 29, 00Dec 18, 01[B60L]
6304035 Method and device for automatically operating the lights of a motor vehicleExpiredDec 01, 99Oct 16, 01[H05B]
6195785 Process and device for validating/invalidating a message sent over an information transmission network by means of a response in a communication frameExpiredMay 26, 98Feb 27, 01[H04L, H03M, G08C, G06F]
6186178 Sphere or accumulator with membrane, such as for motor vehicle hydropneumatic suspensionExpiredJul 13, 99Feb 13, 01[F16L]
6120013 System for controlling a hydroelastic supportExpiredJun 23, 98Sep 19, 00[F16F]
6109128 Gearbox with synchronized reverse gear for motor vehiclesExpiredAug 23, 99Aug 29, 00[F16D, F16H]
6071636 Fuel cell of the type with plate-shaped reagents distributorsExpiredJun 09, 98Jun 06, 00[H01M]
5992832 Sphere, in particular a pneumatic sphere, for example for automotive hydropneumatic suspensionsExpiredNov 22, 96Nov 30, 99[F16L, F16F]
5971479 Infant vehicle seatExpiredOct 29, 97Oct 26, 99[A47C]
5944047 Electrovalve installation equipped with a device for attachment to a support, and hydraulic block equipped with such an installationExpiredOct 15, 97Aug 31, 99[F16K]
5919240 Control device for a suspension such as hydropneumatic suspension for a motor vehicleExpiredSep 25, 97Jul 06, 99[G06F]
5899431 Elastic articulation especially for a motor vehicle wheel and axle assemblyExpiredFeb 28, 96May 04, 99[F16M, F16F]
5893494 Device for storage of a spare tire beneath a floor of an automotive vehicle and incorporating means for coupling a jack-storage housingExpiredOct 31, 96Apr 13, 99[B62D]
5842688 Arrangement for damping through wire-drawing of a fluid and suspension system in particular of an automotive vehicle fitted with such a damping arrangementExpiredApr 26, 96Dec 01, 98[F16F]
5765276 Tool connectable to a robot for the automatic installation of a sealing jointExpiredFeb 09, 96Jun 16, 98[B23P]

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