F01N 3/022

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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 3/022: 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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12257573 Multifunctional catalyst for hydrocarbon oxidation and selective catalytic reduction of NOxSep 29, 20Mar 25, 25BASF Mobile Emissions Catalysts LLC
12257574 Honeycomb structure, exhaust gas purification catalyst, and exhaust gas purification systemSep 07, 22Mar 25, 25NGK Insulators Ltd.
12258893 Heat exchange member, heat exchanger and heat conductive memberDec 22, 21Mar 25, 25NGK Insulators Ltd.
12239968 Particulate filterJun 01, 20Mar 04, 25Cataler Corporation
12234756 Exhaust gas cleaning system and method for cleaning exhaust gas and use of exhaust gas cleaning systemMay 10, 22Feb 25, 25Alfa Laval Corporate AB
12227428 Nanocrystal-sized cerium-zirconium-aluminum oxide material and method of making the sameDec 19, 19Feb 18, 25Pacific Industrial Development Corporation
12214524 Rectangular outlet honeycomb structures, particulate filters, extrusion dies, and method of manufacture thereofApr 14, 23Feb 04, 25Corning Incorporated
12173634 Particulate filterDec 09, 21Dec 24, 24Cataler Corporation
12161998 Catalytically active particulate filterMar 29, 19Dec 10, 24UMICORE AG & CO. KG
12152518 Exhaust purification filterMar 29, 19Nov 26, 24Honda Motor Co. Ltd.
12140060 Exhaust gas purification systemJul 06, 23Nov 12, 24501 Toyota Jidosha Kabushiki Kaisha; Cataler Corporation;
12134059 Honeycomb filter bodies and particulate filters comprising honeycomb filter bodiesMay 01, 20Nov 05, 24Corning Incorporated
12129779 trappingDec 10, 20Oct 29, 24BASF Corporation
12092008 Exhaust purification filterMar 13, 20Sep 17, 24Honda Motor Co. Ltd.
12070874 Honeycomb structure and method for producing sameDec 27, 22Aug 27, 24NGK Insulators Ltd.
12071881 Selective catalytic reduction catalyst on a filterApr 15, 20Aug 27, 24BASF Corporation
12030042 Zeolite synthesis with alkaline earth metalApr 25, 22Jul 09, 24Johnson Matthey Public Limited Company
12018605 Catalytically active particle filter with a high degree of filtration efficiencyDec 21, 22Jun 25, 24UMICORE AG & CO. KG
11992806 Four-way conversion catalyst having improved filter propertiesFeb 04, 19May 28, 24BASF Corporation
11986975 Methods and apparatus for plugging cells of ceramic structures and honeycomb filtersJul 16, 19May 21, 24Corning Incorporated

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0032,984 CLOSE-COUPLED SCR SYSTEMOct 11, 24Jan 30, 25Not available
2025/0018,323 HONEYCOMB FILTER BODIES AND PARTICULATE FILTERS COMPRISING HONEYCOMB FILTER BODIESSep 27, 24Jan 16, 25Not available
2024/0254,906 CATALYTIC WALL FLOW FILTERJan 24, 24Aug 01, 24Not available
2024/0238,772 COATINGS ON A MONOLITH ARTICLEJan 12, 24Jul 18, 24Not available
2024/0159,174 EXHAUST TREATMENT METHOD AND APPARATUS HAVING PARTICULATE FILTERS AND SCRApr 05, 22May 16, 24Not available
2024/0159,175 GASOLINE PARTICLE FILTER WITH INCREASED FRESH FILTRATIONMar 22, 22May 16, 24UMICORE AG & CO. KG
2024/0149,257 PARTICLE FILTER FOR EXHAUST GAS OF GASOLINE ENGINESMar 22, 22May 09, 24UMICORE AG & CO. KG
2024/0141,812 FILTER FOR THE AFTERTREATMENT OF EXHAUST GASES OF INTERNAL COMBUSTION ENGINESMar 22, 22May 02, 24UMICORE AG & CO. KG
2024/0133,327 EXHAUST GAS JOULE HEATERNov 30, 23Apr 25, 24Not available
2024/0115,998 GASOLINE ENGINE EXHAUST GAS PURIFYING CATALYST FILTERJan 26, 22Apr 11, 24Honda Motor Co., Ltd.; N.E. CHEMCAT CORPORATION;
2024/0100,478 CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTERING EFFICIENCYDec 14, 21Mar 28, 24UMICORE AG & CO. KG
2024/0044,271 COATED FILTERSJul 21, 23Feb 08, 24Not available
2024/0011,420 FINE PARTICLE FILTER, METHOD FOR REMOVING PARTICULATE MATTER FROM EXHAUST GAS OF INTERNAL COMBUSTION ENGINE, AND METHOD FOR PRODUCING FINE PARTICLE FILTERDec 01, 21Jan 11, 24UMICORE SHOKUBAI JAPAN CO., LTD.
2023/0358,154 HIGH POROSITY CERAMIC HONEYCOMB STRUCTURE AND METHOD OF MANUFACTURINGJul 06, 23Nov 09, 23Not available
2023/0203,974 CATALYST LOADED HONEYCOMB BODIES MADE FROM BEADS WITH OPEN POROSITYJul 30, 21Jun 29, 23Not available
2023/0191,372 CATALYST FOR PARTICULATE COMBUSTION IN GASOLINE EMISSION TREATMENT SYSTEMSJun 30, 21Jun 22, 23Not available
2023/0067,575 PARTICULATE FILTERSAug 03, 22Mar 02, 23Not available
2022/0316,373 HONEYCOMB STRUCTUREDec 23, 21Oct 06, 22NGK Insulators Ltd.
2022/0120,204 HONEYCOMB STRUCTURE AND EXHAUST GAS PURIFYING DEVICEDec 28, 21Apr 21, 22NGK INSULATORS, LTD.
2022/0120,203 HONEYCOMB STRUCTURE AND EXHAUST GAS PURIFYING DEVICEDec 27, 21Apr 21, 22NGK INSULATORS, LTD.

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