F01N 3/021

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Description

Class  F01N : GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES


Subclass 3/021: Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (electric control F01N 9/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N 11/00) for cooling, or for removing solid constituents of, exhaust (by means of electric or electrostatic separators F01N 3/01) by means of filters

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12264611 Exhaust gas after-treatment device and propulsion system including the deviceSep 22, 22Apr 01, 25FPT Industrial S.p.A.
12258898 Virtual sensing systemApr 29, 24Mar 25, 25Watlow Electric Manufacturing Company
12228063 Engine apparatusApr 29, 20Feb 18, 25YANMAR POWER TECHNOLOGY CO., LTD.
12209522 Exhaust aftertreatment system (EATS)May 23, 23Jan 28, 25Volvo Truck Corporation
12188424 Removal determination device for particulate matter trapping device of vehicleJan 11, 24Jan 07, 25501 Toyota Jidosha Kabushiki Kaisha
12173632 Exhaust gas aftertreatment systemOct 21, 21Dec 24, 24Cummins Emission Solutions Inc.
12140062 Exhaust-gas aftertreatment system for an internal combustion engineJun 12, 20Nov 12, 24TENNECO GMBH
12140096 emissionsAug 08, 23Nov 12, 24Cummins Emission Solutions Inc.
12123334 Configurable aftertreatment systems including a housingOct 17, 23Oct 22, 24Cummins Emission Solutions Inc.
12123386 VehicleAug 30, 23Oct 22, 24501 Toyota Jidosha Kabushiki Kaisha
12121841 Pollutant filtering assemblyMar 09, 22Oct 22, 24Not available
12110816 Hybrid vehicle gasoline particulate filter regenerationSep 01, 23Oct 08, 24FCA US LLC
12104513 Compact exhaust gas treatment system with serviceable filterJan 31, 22Oct 01, 24Dinex A/S
12091999 sensor driftOct 07, 21Sep 17, 24Ford Global Technologies, LLC
12092000 Determining an estimate of soot load in a diesel particulate filter using a radio frequency sensorApr 07, 20Sep 17, 24Perkins Engines Company Limited
12078091 System and method for filtering exhaust gases of a vehicleAug 06, 19Sep 03, 24Not available
12071882 Low temperature NOx reduction using H2-SCR for diesel vehiclesJun 29, 23Aug 27, 24BASF Corporation
12060822 Dosing module for use in aftertreatment systems for internal combustion enginesApr 13, 17Aug 13, 24Cummins Emission Solutions Inc.
12049839 Exhaust gas heating unitDec 08, 21Jul 30, 24Purem GmbH
12037933 Dual-purpose heater and fluid flow measurement systemMay 27, 20Jul 16, 24Watlow Electric Manufacturing Company

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0109,714 DIAGNOSTIC DEVICE FOR EXHAUST GAS AFTERTREATMENT DEVICE, DIAGNOSTIC METHOD FOR EXHAUST GAS AFTERTREATMENT DEVICE, AND DIAGNOSTIC PROGRAM FOR EXHAUST GAS AFTERTREATMENT DEVICEJan 24, 23Apr 03, 25KOBELCO CONSTRUCTION MACHINERY CO., LTD
2025/0067,206 EXHAUST GAS AFTERTREATMENT SYSTEMNov 12, 24Feb 27, 25Cummins Emission Solutions Inc.
2025/0043,706 CONVERTIBLE SILENCERJul 29, 24Feb 06, 25Not available
2025/0043,711 DIESEL ENGINE AFTERTREATMENT SYSTEMAug 02, 23Feb 06, 25Caterpillar Inc.
2024/0376,839 EXHAUST GAS AFTERTREATMENT SYSTEMJul 26, 22Nov 14, 24Cummins Emission Solutions Inc.
2024/0360,780 DOSING MODULE FOR USE IN AFTERTREATMENT SYSTEMS FOR INTERNAL COMBUSTION ENGINESJul 08, 24Oct 31, 24Cummins Emission Solutions Inc.
2024/0352,883 MODULARLY CONSTRUCTED EXHAUST GAS TREATMENT ARRANGEMENTApr 19, 24Oct 24, 24Not available
2024/0328,111 Work MachineFeb 15, 24Oct 03, 24Yanmar Holdings Co., Ltd.
2024/0328,342 DUAL-PURPOSE HEATER AND FLUID FLOW MEASUREMENT SYSTEMJun 14, 24Oct 03, 24Watlow Electric Manufacturing Company
2024/0326,777 METHOD FOR CONTROLLING VEHICLE, AND VEHICLESep 07, 21Oct 03, 24Nissan Motor Co., Ltd.
2024/0295,098 CONSTRUCTION MACHINEMay 14, 24Sep 05, 24Not available
2024/0254,910 AFTERTREATMENT COMPONENT CARTRIDGE FOR AN AFTERTREATMENT SYSTEMFeb 01, 23Aug 01, 24Not available
2024/0229,694 Engine DeviceJan 02, 24Jul 11, 24YANMAR POWER TECHNOLOGY CO., LTD.
2024/0159,179 Exhaust Gas Aftertreatment System and MethodMar 08, 22May 16, 24Not available
2024/0133,325 Engine DeviceJan 02, 24Apr 25, 24YANMAR POWER TECHNOLOGY CO., LTD.
2024/0110,499 VALVE ARRANGEMENT FOR SPLIT-FLOW CLOSE-COUPLED CATALYSTDec 05, 23Apr 04, 24Cummins Emission Solutions Inc.
2023/0160,327 EXHAUST GAS TREATMENT ASSEMBLYNov 18, 22May 25, 23Not available
2023/0146,166 Exhaust Fluid Filter Including Hydrocarbon Detection Witness MediaJan 03, 23May 11, 23Cummins Emission Solutions Inc.
2023/0090,880 Engine DeviceNov 26, 22Mar 23, 23YANMAR POWER TECHNOLOGY CO., LTD.
2022/0356,816 DEPOLLUTED TURBOMACHINE TEST BENCHJul 15, 20Nov 10, 22Safran Aero Boosters SA

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Patents Issued To Date - By Filing Year

2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024Filing Years0255075100% of Matters Issued

Average Time to Issuance