ClassID:

138174

F01N2550/12 - CPC Classification

Classification description:

Monitoring or diagnosing the deterioration of exhaust systems; By-pass systems of particulate filters

Recent Application in this class:
#1
20250230761
2025-07-17

SYSTEMS, DEVICES, AND METHODS FOR REGENERATING A PARTICULATE FILTER

#2
20230399966
2023-12-14

Systems, devices, and methods for regenerating a particulate filter

#3
20230287824
2023-09-14

Particle deposition amount estimation device and exhaust purification system

#4
20220381173
2022-12-01

Method of detecting a need for regeneration of an exhaust particulate filter, and exhaust system

#5
20210180490
2021-06-17

Systems, devices, and methods for regenerating a particulate filter

#6
20190017423
2019-01-17

Method and system for a particulate filter having a bypass

#7
20170306826
2017-10-26

PARTICULATE COLLECTION SYSTEM AND PARTICULATE COLLECTION APPARATUS

#8
20170216771
2017-08-03

Method for cleaning process off- or engine exhaust gas

#9
20160251994
2016-09-01

Particulate collection system and particulate collection apparatus

#10
20160053654
2016-02-25

Exhaust purification device for internal combustion engine

#11
20130219861
2013-08-29

Use of Braking energy to augment exhaust heat for improved operation of exhaust aftertreatment devices

#12
20130111879
2013-05-09

Over temperature/pressure safety device for diesel particulate filters

#13
20110301908
2011-12-08

Detection device for internal combustion engine

#14
20100269488
2010-10-28

Particulate trap system and method

#15
20090120070
2009-05-14

Exhaust cleaner for internal combustion engine

#16
20060059899
2006-03-23

Apparatus and method for filtering particulate and NOx emissions

#17
18750897
2025-08-19

Vehicle with gasoline particulate filter soot regeneration strategy with criteria emission reduction for low NOX emissions