TENNECO AUTOMOTIVE OPERATING COMPANY INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 11317
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION10011
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 4717
 
  
 
B01D SEPARATION 34100
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 1428
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 856
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 776
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING667
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 551
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 353

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0321,592 Compact Inline Inlet With Integrated Cast RingApr 24, 17Nov 09, 17[F01N]
2017/0130,627 Exhaust Treatment System Having Metal Hydride ModuleNov 10, 15May 11, 17[F01N]
2016/0137,017 Impact Reinforced Composite Spring Seat for a Shock AbsorberJan 26, 16May 19, 16[B60G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9903250 Recirculating exhaust treatment fluid systemMay 07, 14Feb 27, 18[F01N, G01F, B01D]
9884533 Autonomous control damperFeb 27, 14Feb 06, 18[B60G, F16F]
9879746 Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assembliesJun 12, 15Jan 30, 18[F16F]
9879748 Two position valve with face seal and pressure relief portMar 13, 14Jan 30, 18[F16F]
9873303 Damper having reinforced catcherMar 22, 16Jan 23, 18[B60G]
9849746 Impact reinforced composite spring seat for a shock absorberJan 26, 16Dec 26, 17[B60G, F16F]
9845839 Shock absorber having check disc for orifice passageFeb 18, 16Dec 19, 17[B60G, F16F]
9822685 Water injection exhaust treatment systemOct 13, 14Nov 21, 17[F01N]
9822837 Secondary dampening assembly for shock absorberFeb 05, 16Nov 21, 17[B60G, F16F]
9810282 Damper with digital valveMar 06, 17Nov 07, 17[B60G, F16F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0322,814 Waste Heat Recovery System With Current RegulatorAbandonedApr 29, 15Nov 03, 16[H02J]
2016/0305,301 RESERVOIR FOR GAS TREATMENT DEVICE HAVING LOOSE FILL INSULATION AND AN ASSOCIATED METHOD OF USEAbandonedApr 15, 15Oct 20, 16[F01N, B01D]
2016/0252,310 Waste Heat Recovery SystemAbandonedFeb 27, 15Sep 01, 16[F28F]
2016/0069,246 METHOD OF PRODUCING AN INSULATED EXHAUST DEVICEAbandonedNov 16, 15Mar 10, 16[F01N]
2016/0047,285 Engine Exhaust After-Treatment SystemAbandonedApr 10, 13Feb 18, 16[F01N]
2015/0337,702 EXHAUST AFTERTREATMENT SYSTEM WITH LOW-TEMPERATURE SCRAbandonedMay 23, 14Nov 26, 15[F01N]
2015/0176,463 PRESSURE SWIRL FLOW INJECTOR WITH REDUCED FLOW VARIABILITY AND RETURN FLOWAbandonedMar 10, 15Jun 25, 15[F01N]
2015/0071,826 AXIAL FLOW ATOMIZATION MODULE WITH MIXING DEVICEAbandonedSep 15, 14Mar 12, 15[B01D]
2015/0047,934 LOW PRESSURE HIGH COMPRESSION DAMPING MONOTUBE SHOCK ABSORBER HAVING A BAFFLEAbandonedAug 14, 14Feb 19, 15[F16F]
2015/0040,547 Mirrored Two-Stage MixerAbandonedAug 08, 13Feb 12, 15[F01N]
2014/0311,841 VELOCITY PROGRESSIVE VALVINGAbandonedJul 01, 14Oct 23, 14[F16F]
2014/0260,190 Exhaust Aftertreatment Control System And Method For Maximizing Fuel Efficiency While Reducing EmissionsAbandonedMar 13, 13Sep 18, 14[F01N]
2014/0166,141 Reductant Injection System with Control ValveAbandonedDec 13, 12Jun 19, 14[F16K]
2014/0140,897 Loose-Fill Insulation Exhaust Gas Treatment Device and Methods of ManufacturingAbandonedMar 14, 13May 22, 14[B01D]
2014/0116,032 Injector with Capillary Aerosol GeneratorAbandonedOct 31, 12May 01, 14[F02M, B05B, F01N]
2014/0114,619 Burner Outlet Designs for Locomotive Burner IntegrationAbandonedOct 23, 12Apr 24, 14[G06F]
2013/0343,959 COMMON RAIL REDUCTANT INJECTION SYSTEMAbandonedJun 21, 12Dec 26, 13[B01D]
8516802 High volume exhaust gas treatment systemExpiredOct 29, 10Aug 27, 13[F01N]
8495986 Retrofit injector mountExpiredFeb 18, 11Jul 30, 13[F02M]
2013/0171,035 FULLY INSULATED EXHAUST TREATMENT DEVICEAbandonedJan 02, 13Jul 04, 13[B01D]

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