ClassID:

137789

F01N3/0226 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being fibrous

Recent Application in this class:
#1
20260092156
2026-04-02

APERTURED POLYMER SHEETS INCORPORATING NANOPARTICLES

#2
20250389216
2025-12-25

VACUUM FURNACE EXHAUST TRAPS AND SYSTEMS

#3
20230330640
2023-10-19

Particulate Filter

#4
20230323062
2023-10-12

APERTURED POLYMER SHEETS INCORPORATING NANOPARTICLES

#5
20220372901
2022-11-24

Exhaust filter system for internal combustion engines and method of using same

#6
20190134563
2019-05-09

Nanofiber augmented diesel particulate filters

#7
20190022569
2019-01-24

Filtering media member for filtering particulate matter in a fluid stream

#8
20180238213
2018-08-23

Systems for reducing startup emissions in power plant including gas turbine

#9
20180238212
2018-08-23

Systems for reducing startup emissions in power plant including gas turbine

#10
20170314445
2017-11-02

Filter and exhaust gas control system for internal combustion engine

#11
20170138234
2017-05-18

Holding material, method for producing same, and gas treatment device using same

#12
20170016367
2017-01-19

Glass catalyst compositions for improved hydrothermal durability

#13
20160138449
2016-05-19

Device for removing particulate matter from exhaust gases of internal combustion engine

#14
20140331627
2014-11-13

Filter element and method for producing a filter element

#15
20140237992
2014-08-28

Diesel Exhaust Particulate Filter

#16
20130255231
2013-10-03

Device for treating exhaust gas containing soot particles and motor vehicle having the device

#17
20130067872
2013-03-21

Device for the purification of particle-laden gases

#18
20120090469
2012-04-19

MULTICARTRIDGE DIESEL SOOT PARTICULATE FILTER

#19
20120003131
2012-01-05

INTEGRATED DIESEL PARTICULATE FILTER AND ELECTRIC LOAD BANK

#20
20110247310
2011-10-13

EXHAUST GAS TREATMENT DEVICE FOR AN EXHAUST GAS SYSTEM AND METHOD OF MANUFACTURING AN EXHAUST GAS TREATMENT DEVICE

#21
20110232264
2011-09-29

Filter arrangement for exhaust aftertreatment system

#22
20110197555
2011-08-18

FILTER ELEMENTS

#23
20110185709
2011-08-04

Low Temperature Diesel Particulate Matter Reduction System

#24
20100307134
2010-12-09

Device and method for the reduction of emissions

#25
20100247396
2010-09-30

Selective Catalytic Reduction Filter and Method of Using Same

#26
20100199843
2010-08-12

IMPACT DIESEL PARTICULATE FILTER

#27
20100196218
2010-08-05

Filter medium

#28
20100129271
2010-05-27

Diesel particle filter with a ceramic filter body

#29
20100111790
2010-05-06

System and method for the processing and incineration of diesel exhaust particulate matter

#30
20100083646
2010-04-08

Decoupling element

#31
20100028221
2010-02-04

Fibrous structure and particulate filter type exhaust gas purifying catalyst

#32
20090288392
2009-11-26

Engine system having particulate reduction device and method

#33
20090274602
2009-11-05

Nonwoven composites and related products and methods

#34
20090272263
2009-11-05

Electrically regenerated exhaust particulate filter having non-axial regeneration flame propagation

#35
20090263303
2009-10-22

Purification Device and Method for Purifying a Fluid Stream

#36
20090208393
2009-08-20

DEVICE FOR REMOVING HARMFUL CONSTITUENTS FROM EXHAUST GASES OF INTERNAL COMBUSTION ENGINES

#37
20090173687
2009-07-09

Extruded porous substrate and products using the same

#38
20090136709
2009-05-28

Extruded porous substrate having inorganic bonds

#39
20090133382
2009-05-28

Electrically regenerated exhaust particulate filter for an engine system and operating strategy therefor

#40
20090126325
2009-05-21

Particulate filter and method for its assembly

#41
20090100809
2009-04-23

FILTER ASSEMBLY FOR REMOVING PARTICULATES IN AN EXHAUST GAS IN A FUEL ENGINE

#42
20080256936
2008-10-23

Selective Catalytic Reduction Filter and Method of Using Same

#43
20080250775
2008-10-16

Particulate trap with coated fiber layer and exhaust system having the particulate trap

#44
20080245039
2008-10-09

Exhaust Filter

#45
20080236145
2008-10-02

Emission Control System using a Multi-Function Catalyzing Filter

#46
20080236119
2008-10-02

Exhaust gas particulate filter for a machine and filter cartridge therefor

#47
20080236118
2008-10-02

Exhaust particulate filter for a machine engine system and assembly method therefor

#48
20080209898
2008-09-04

Fumes Treatment System

#49
20080209868
2008-09-04

Diesel particulate filter assembly

#50
20080202084
2008-08-28

DIESEL PARTICULATE FILTER PLEAT DESIGN AND METHOD

#51
20080199369
2008-08-21

Extruded porous substrate and products using the same

#52
20080179783
2008-07-31

Extruded Fibrous Silicon Carbide Substrate and Methods for Producing the Same

#53
20080171650
2008-07-17

Nonwoven composites and related products and methods

#54
20080148945
2008-06-26

Filter layer for an, in particular conical, honeycomb body for exhaust gas treatment, method for manufacturing the filter layer, honeycomb body and exhaust gas purification device

#55
20080127637
2008-06-05

Particulate filter cleaning methods and apparatus

#56
20080118702
2008-05-22

Process for Producing a Honeycomb Body with a Metallic Fleece, Honeycomb Body Produced by the Process and Process for Filtering an Exhaust-Gas Stream

#57
20080112865
2008-05-15

Nonwoven Composites and Related Products and Methods

#58
20080093163
2008-04-24

Silencer and Open-Structured Catalyser

#59
20080072551
2008-03-27

Highly porous mullite particulate filter substrate

#60
20080066621
2008-03-20

Particulate matter removal apparatus

#61
20080066446
2008-03-20

Impact diesel particulate filter

#62
20080053068
2008-03-06

Device & Method for the Reduction of Emissions

#63
20080016829
2008-01-24

Filter element provided with channels of variable dimensions and arrangement

#64
20070289276
2007-12-20

Method of removing particulates from exhaust gases, and corresponding fiber layer, particulate filter, exhaust system and vehicle

#65
20070289275
2007-12-20

Inorganic fiber aggregate, method for manufacturing inorganic fiber aggregate, honeycomb structure, method for manufacturing honeycomb structure, and exhaust gas purifier

#66
20070246433
2007-10-25

Refractory exhaust filtering method and apparatus

#67
20070240406
2007-10-18

Low temperature diesel particulate matter reduction system

#68
20070234714
2007-10-11

Device for reducing particles of an exhaust gas, exhaust gas purification system and vehicle having the device or the system

#69
20070207070
2007-09-06

Catalytic exhaust filter device

#70
20070152364
2007-07-05

Process for extruding a porous substrate

#71
20070151231
2007-07-05

Woven metal fiber particulate filter

#72
20070151218
2007-07-05

Method for producing metal fibers, method for producing filter material, device for performing the method, fiber, filter material, particle filter, and motor vehicle having the filter material

#73
20070111878
2007-05-17

Extrudable mixture for forming a porous block

#74
20070110645
2007-05-17

Extruded porous substrate having inorganic bonds

#75
20070108647
2007-05-17

Method of forming a porous substrate having inorganic bonds

#76
20070107395
2007-05-17

Extruded porous substrate and products using the same

#77
20070104632
2007-05-10

Refractory exhaust filtering method and apparatus

#78
20070104621
2007-05-10

Catalytic exhaust device for simplified installation or replacement

#79
20070104620
2007-05-10

Catalytic Exhaust Device

#80
20070084199
2007-04-19

Air filter for a tail pipe

#81
20070044454
2007-03-01

Method and apparatus for controlling regeneration temperature in a diesel particulate trap

#82
20070044443
2007-03-01

Multiple integrated-layer ceramic fiber filter paper and method

#83
20070041880
2007-02-22

Exhaust treatment device

#84
20070033923
2007-02-15

Metal net for treatment of gases

#85
20070020156
2007-01-25

Device for cleaning gas mixtures, and method for producing it

#86
20070012006
2007-01-18

Constructive disposition in a particulate matter sealing device existing in gas originating from fuel burning and/or chemical reaction when running internal combustion engines

#87
20070006556
2007-01-11

Particle filter including a metallic fiber layer

#88
20060277881
2006-12-14

Diesel soot particulate filter medium

#89
20060254426
2006-11-16

High temperature nanofilter, system and method

#90
20060210721
2006-09-21

Wear resistant screen

#91
20060191415
2006-08-31

Spiraltrap: devices and methods for the trapping particulate matter in exhaust and of other pollutants

#92
20060150810
2006-07-13

Gas cleaning devices

#93
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#94
20060096282
2006-05-11

Method and apparatus for purifying exhaust gases

#95
20060021507
2006-02-02

Particulate trap with selective blocking element

#96
20050284117
2005-12-29

Particle filter

#97
20050284115
2005-12-29

Automobile exhaust pipe filter

#98
20050274104
2005-12-15

Optimum regeneration of diesel particulate filters and NOx traps using fuel reformers

#99
20050266991
2005-12-01

Honeycomb structural body

#100
20050262817
2005-12-01

Apparatus for removing fine particles in exhaust gas

#101
20050232830
2005-10-20

High-temperature-resistant coated fiber layer and particulate trap with the coated fiber layer

#102
20050223688
2005-10-13

Filter medium

#103
20050217258
2005-10-06

Exhaust gas filter and method for cleaning an exhaust gas

#104
20050191218
2005-09-01

Ceramic diesel exhaust filters

#105
20050166563
2005-08-04

Exhaust gas filter with at least one filter layer and method for producing a filter layer

#106
20050137087
2005-06-23

Metallic layer with regions of varying material thickness, method for producing such a metallic layer and honeycomb body at least partly produced from such metallic layers

#107
20050132674
2005-06-23

Particulate matter reducing apparatus

#108
20050126138
2005-06-16

Exhaust filter

#109
20050098042
2005-05-12

Filtering device at a controlled temperature

#110
20050079111
2005-04-14

Exhaust gas cleaning apparatus

#111
20050042151
2005-02-24

Nonwoven composites and related products and processes

#112
20050034358
2005-02-17

Additive for diesel particulate filter