ClassID:

138295

F01N2900/1814 - CPC Classification

Classification description:

Details of electrical control or of the monitoring of the exhaust gas treating apparatus; Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust; Properties of reducing agent or dosing system Tank level

Recent Application in this class:
#1
20250179953
2025-06-05

IMPROVED UREA SENDER UNIT

#2
20250163839
2025-05-22

METHOD FOR CONTROLLING AT LEAST A PART OF AN EXHAUST AFTER TREATMENT SYSTEM OF A VEHICLE

#3
20240271582
2024-08-15

Controller for internal combustion engine

#4
20240110497
2024-04-04

PLANETARY GEAR SYSTEM ARRANGEMENT WITH AUXILIARY OIL SYSTEM

#5
20230407779
2023-12-21

CONVEYING DEVICE WITH FILTER ELEMENT

#6
20230313724
2023-10-05

Detecting reductant quality using a virtual sensor

#7
20230212974
2023-07-06

Autonomous auxiliary DEF supply system with purge control

#8
20230189400
2023-06-15

Method for heating a tank

#9
20230060731
2023-03-02

Filter arrangement for a selective catalytic reduction system

#10
20230034184
2023-02-02

Methods for evaluating diesel exhaust fluid quality

#11
20220356826
2022-11-10

Fluid level wake-up functionality

#12
20220316375
2022-10-06

Systems and methods for estimating diesel exhaust fluid volume

#13
20220213825
2022-07-07

Prediction device, prediction method, and work vehicle

#14
20220205379
2022-06-30

Tank for a liquid solution

#15
20220127988
2022-04-28

Diesel exhaust fluid tank heating system

#16
20220099011
2022-03-31

Method for operating a motor vehicle having an exhaust gas aftertreatment device, exhaust gas aftertreatment system, computer program product and computer-readable medium

#17
20220025800
2022-01-27

Methods for evaluating diesel exhaust fluid quality

#18
20220017267
2022-01-20

Liquid storage container

#19
20210293172
2021-09-23

Method and system for diagnosing an aftertreatment system

#20
20210180492
2021-06-17

PLANETARY GEAR SYSTEM ARRANGEMENT WITH AUXILIARY OIL SYSTEM

#21
20210146297
2021-05-20

System and method for removing harmful gas in discharged cleaning solution of exhaust gas treatment apparatus

#22
20210123367
2021-04-29

Method of adjusting the dosage of reductant in an SCR catalyst

#23
20210087958
2021-03-25

Work vehicle including diesel particulate filter (DPF) regeneration control

#24
20210048115
2021-02-18

Solenoid valve, fixing assembly for installing sensor, and sensor assembly

#25
20210040912
2021-02-11

Process for testing a plurality of components of an exhaust gas aftertreatment system

#26
20210033017
2021-02-04

Autonomous auxiliary DEF supply system with purge control

#27
20210033014
2021-02-04

Tank for urea solution of a vehicle

#28
20210017890
2021-01-21

Automated diesel exhaust fluid (DEF) system and method

#29
20200386138
2020-12-10

Planetary gear system arrangement with auxiliary oil system

#30
20200309012
2020-10-01

Method for estimating a thawed volume present in liquid form in a tank

#31
20200271038
2020-08-27

System and a method for diagnosing functionality of dosing units of a fluid dosing system

#32
20200149450
2020-05-14

Automotive exhaust aftertreatment system having onboard ammonia reactor with hybrid heating

#33
20200141298
2020-05-07

TANK FOR STORING A SOLUTION AND METHOD FOR MEASURING A VALUE IN SUCH A TANK

#34
20200141297
2020-05-07

PLANETARY GEAR SYSTEM ARRANGEMENT WITH AUXILIARY OIL SYSTEM

#35
20200116060
2020-04-16

Internal combustion engine system

#36
20200063632
2020-02-27

Systems and methods for particulate filter regeneration

#37
20200040787
2020-02-06

Method and device for monitoring the tank content of a storage tank of an exhaust-gas treatment system

#38
20200025055
2020-01-23

Method and system for determining a quantity of liquid in a tank

#39
20190383195
2019-12-19

Connection head with a return cavity

#40
20190376428
2019-12-12

Systems and methods for idle fuel economy mode

#41
20190362298
2019-11-28

METHOD FOR THE DISTRIBUTION OF VEHICLE CONSUMABLES

#42
20190234280
2019-08-01

Method and system of urea solution level measurement adjustment, display and heater operation

#43
20190178133
2019-06-13

System, method, and apparatus for aftertreatment system monitoring

#44
20190162093
2019-05-30

Line connector with integrated sensor for measurement of urea solutions

#45
20190159341
2019-05-23

Electronic system comprising an intermediate printed circuit board for a fluid property sensor and fluid property sensor

#46
20190078481
2019-03-14

Method for operating an SCR catalytic converter system which has a first SCR catalytic converter and a second SCR catalytic converter

#47
20190056321
2019-02-21

Sensor device for containers of liquid substances

#48
20190024558
2019-01-24

Remote fluid supply for an engine

#49
20180356273
2018-12-13

Detecting fluid level via a float

#50
20180348108
2018-12-06

Detecting fluid characteristics via a float

#51
20180347428
2018-12-06

Planetary gear system arrangement with auxiliary oil system

#52
20180326838
2018-11-15

Operating fluid container system for motor vehicles and method for filling a fuel container of an operating fluid container system

#53
20180320571
2018-11-08

Method and control unit for controlling the fill level of a catalytic converter

#54
20180292249
2018-10-11

Complementary apparatus for measuring urea water level

#55
20180258812
2018-09-13

Method and apparatus to supply water to a tank of an exhaust system provided with exhaust gas after-treatment for a combustion engine

#56
20180251026
2018-09-06

Work vehicle

#57
20180171843
2018-06-21

Method and a system for evaluating an effective component content of a reducing agent

#58
20180163589
2018-06-14

Method and apparatus for controlling reductant injection into an exhaust gas feedstream from an internal combustion engine

#59
20180149058
2018-05-31

Automatic performance tuning for diesel exhaust fluid dosing unit

#60
20180135495
2018-05-17

Recirculating exhaust treatment fluid system

#61
20180135494
2018-05-17

Method for validating signals generated by acoustic sensors

#62
20180106179
2018-04-19

Systems and methods for idle fuel economy mode

#63
20180094562
2018-04-05

Diesel exhaust fluid system

#64
20180023449
2018-01-25

Method and system of urea solution level measurement adjustment, display and heater operation

#65
20180016957
2018-01-18

Suction tube for a urea sensor

#66
20170335733
2017-11-23

Exhaust gas purification apparatus for internal combustion engine

#67
20170276046
2017-09-28

Planetary gear system arrangement with auxiliary oil system

#68
20170248053
2017-08-31

Unit for feeding a reducing solution from the tank to the exhaust duct of an engine

#69
20170240387
2017-08-24

Work machine with lifting magnet

#70
20170234200
2017-08-17

Virtual reductant level sensor

#71
20170203755
2017-07-20

Shovel and shovel control method

#72
20170138826
2017-05-18

Debubbling sleeve for fluid sensors and sensor systems comprising same

#73
20170122789
2017-05-04

Method for determining the fill state in a tank utilizing ultrasonic waves and reference surfaces

#74
20170122163
2017-05-04

Method of operating a fluid container arrangement, and fluid container arrangement

#75
20170101914
2017-04-13

Remote fluid supply for an engine

#76
20170059386
2017-03-02

Device for contactless measurement of a level in a tank

#77
20170044949
2017-02-16

Virtual reductant level sensor

#78
20160363026
2016-12-15

Method for determining the quantity of reducing agent in a tank

#79
20160356192
2016-12-08

LOCATING PIN

#80
20160349157
2016-12-01

System and method for repeatable fluid measurements

#81
20160348555
2016-12-01

Aqueous urea solution supply device and aqueous urea solution supply method for internal combustion engine

#82
20160290520
2016-10-06

Fuel limit vent valve having vapor permeable membrane

#83
20160281569
2016-09-29

System, method, and apparatus for aftertreatment system monitoring

#84
20160281568
2016-09-29

Exhaust emission control apparatus for on-board internal combustion engine, and method for exhaust emission control apparatus

#85
20160273429
2016-09-22

Selective catalytic reduction system, selective catalytic reduction sensor, and level sensor

#86
20160230632
2016-08-11

Dual path aftertreatment system and method utilizing fuel as an on-board reductant for NOx SCR

#87
20160222856
2016-08-04

Exhaust gas purification apparatus for internal combustion engine

#88
20160195421
2016-07-07

Reducing agent tank

#89
20160160731
2016-06-09

Auxiliary diesel exhaust fluid systems

#90
20160138452
2016-05-19

Reagent dosing system and method of dosing reagent

#91
20160125666
2016-05-05

Shovel

#92
20160040580
2016-02-11

Reductant tank sensor diagnostic method and system

#93
20160017781
2016-01-21

UREA WATER CONSUMPTION AMOUNT DIAGNOSTIC DEVICE FOR UREA SCR

#94
20150337708
2015-11-26

Reduction of aeration interference via tortuous path and sensor boot

#95
20150323373
2015-11-12

Method for measuring ultrasonically the fill level of a liquid

#96
20150300232
2015-10-22

Error releasing device for work vehicle and error releasing method for work vehicle

#97
20150268212
2015-09-24

Urea water supply guidance output device for working vehicle and method of outputting urea water supply guidance of working vehicle

#98
20150231568
2015-08-20

Gauging the autonomy of a system for storing and delivering gaseous ammonia

#99
20150209730
2015-07-30

Method and system for estimating reagent quality

#100
20150098784
2015-04-09

Work vehicle

#101
20150098783
2015-04-09

Work vehicle

#102
20150088362
2015-03-26

SCR aftertreatment system maintenance inducement method

#103
20150033713
2015-02-05

Device for supplying a liquid additive and motor vehicle having the device

#104
20150033700
2015-02-05

Defrosting a sensor in a vehicle system

#105
20150019108
2015-01-15

Filtering method for intermittent ultrasonic level sensors

#106
20150017730
2015-01-15

Urea solution quality determining system

#107
20150000396
2015-01-01

Delivery unit with fill level sensor for a liquid additive, tank for storing liquid additive, motor vehicle and method for monitoring a fill level

#108
20140366512
2014-12-18

Conveying unit for a liquid additive for exhaust gas after-treatment, tank for storing liquid additive, motor vehicle having the conveying unit and method for determining a liquid additive quantity in a tank

#109
20140334983
2014-11-13

Reductant sensor system

#110
20140331650
2014-11-13

Recirculating exhaust treatment fluid system

#111
20140325968
2014-11-06

Exhaust gas purification device for internal combustion engine

#112
20140311128
2014-10-23

Reagent dosing system and method of dosing reagent

#113
20140245720
2014-09-04

Method for operating a dosing device and motor vehicle having a dosing device

#114
20140227138
2014-08-14

Method for removing foreign matter from a selective reduction catalyst system

#115
20140216010
2014-08-07

Device for measuring a quantity of a reducing agent, preferably NH3, contained in a vessel

#116
20140188327
2014-07-03

Method and system of determining failure of urea quality sensor

#117
20140188326
2014-07-03

Method and system of determining failure of urea level sensor

#118
20140109657
2014-04-24

Method for determining the quantity of reducing agent in a tank

#119
20140096511
2014-04-10

Method and device for operating an SCR system

#120
20140070826
2014-03-13

Storage vessel for a liquid, and a method for measuring the electric conductivity of a liquid

#121
20140053537
2014-02-27

Air driven reductant delivery system

#122
20140033683
2014-02-06

System, method, and apparatus for aftertreatment system monitoring

#123
20130319070
2013-12-05

Method for verifying the plausibility of a measuring device for determining the quality of an aqueous urea solution in a reservoir of an SCR catalyst system

#124
20130276429
2013-10-24

Method for diagnosing a metering valve and device for carrying out the method

#125
20130261930
2013-10-03

System and method for increasing fuel economy of a vehicle including a SCR catalyst

#126
20130186349
2013-07-25

REDUCTANT SUPPLY LINE HEATING SYSTEM

#127
20130167512
2013-07-04

Method for operating an exhaust gas treatment device and motor vehicle having the device

#128
20130153652
2013-06-20

Status indicator for amonia cartridge

#129
20130152549
2013-06-20

Method and system for optimizing fuel and reductant consumption

#130
20130125997
2013-05-23

Methods for an exhaust fluid level sensor

#131
20130061949
2013-03-14

Selective catalytic reduction system

#132
20130061665
2013-03-14

Selective catalytic reduction sensor

#133
20130055803
2013-03-07

Competence diagnosis system for urea water temperature sensor

#134
20130055700
2013-03-07

SELECTIVE CATALYTIC REDUCTION SYSTEM

#135
20130037138
2013-02-14

System to detect anomalous fluids in an SCR system

#136
20120324866
2012-12-27

Method for operating a delivery device for a reducing agent and delivery device for a reducing agent

#137
20120304626
2012-12-06

Method for determining an amount of liquid removed from a tank and reducing agent supply device for a motor vehicle

#138
20120272639
2012-11-01

Reductant Quality Sensor

#139
20120192570
2012-08-02

Planetary gear system arrangement with auxiliary oil system

#140
20120192548
2012-08-02

System and method for monitoring reductant quality

#141
20120186334
2012-07-26

Combination fluid sensor system

#142
20120186237
2012-07-26

Delivery device and tank configuration for a reducing agent and motor vehicle having a tank configuration

#143
20120181261
2012-07-19

METHOD FOR HEATING A DELIVERY DEVICE FOR A REDUCING AGENT

#144
20120166062
2012-06-28

MOTOR VEHICLE WITH AN EXHAUST GAS RETREATMENT SYSTEM AND METHOD FOR OPERATING THE MOTOR VEHICLE

#145
20120143450
2012-06-07

Controlling of a vehicle responsive to reductant conditions

#146
20120111870
2012-05-10

INSTALLATION COMPONENT FOR A TANK, APPARATUS FOR DETERMINING A FILL LEVEL OF A TANK, METHOD FOR PRODUCING AN INSTALLATION COMPONENT, TANK AND MOTOR VEHICLE HAVING A TANK

#147
20120096837
2012-04-26

Method for adapting an SCR catalytic converter in an exhaust system of a motor vehicle

#148
20120072092
2012-03-22

Fuel control diagnostic system and method

#149
20120049852
2012-03-01

Method and storage container for determining a stored amount of ammonia for catalytic exhaust gas purification

#150
20120036838
2012-02-16

EXHAUST PURIFICATION SYSTEM FOR A VEHICLE

#151
20120010786
2012-01-12

Monitoring device for an internal combustion engine

#152
20120006003
2012-01-12

Method of operating a vehicle under frozen diesel emission fluid conditions

#153
20120000270
2012-01-05

Method for detecting abnormality in reducing agent

#154
20110309087
2011-12-22

APPARATUS FOR DETERMINING A TANK FILL LEVEL, TANK FOR UREA/WATER SOLUTION AND MOTOR VEHICLE HAVING A TANK

#155
20110271754
2011-11-10

Liquid Level Transducer with Heating Unit

#156
20110247319
2011-10-13

Exhaust emission purifying apparatus and liquid level measuring device

#157
20110232265
2011-09-29

Approach for detecting reductant availability and make-up

#158
20110210836
2011-09-01

Method for selective catalytic reduction of nitrogen oxides in exhaust gas of internal-combustion engines

#159
20110139255
2011-06-16

Process for transferring a liquid using a pump

#160
20110107812
2011-05-12

Rationality diagnosis method and rationality diagnosis apparatus for sensor inside tank

#161
20110083621
2011-04-14

Apparatus, system, and method for reductant line heating control

#162
20110076222
2011-03-31

Process to produce ammonia from urea

#163
20110067382
2011-03-24

SYSTEM AND METHOD FOR NOX REDUCTION OPTIMIZATION

#164
20100327884
2010-12-30

Liquid level and quality sensing apparatus, systems and methods using EMF wave propagation

#165
20100312445
2010-12-09

Controlling of a vehicle responsive to reductant conditions

#166
20100280740
2010-11-04

Control device and control method for vehicle

#167
20100242454
2010-09-30

NH3-MONITORING OF AN SCR CATALYTIC CONVERTER

#168
20100236243
2010-09-23

Method for operating an SCR-catalytic converter

#169
20100218484
2010-09-02

Method and device for controlling an SCR-exhaust gas after-treatment system of an internal combustion engine

#170
20100205940
2010-08-19

EXHAUST EMISSION CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE AND EXHAUST EMISSION CONTROL METHOD

#171
20100186374
2010-07-29

Method for heating an SCR system using resistive heating elements

#172
20100139255
2010-06-10

Construction machine

#173
20100115925
2010-05-13

Urea Monitoring And Replenishment Scheduling of Vehicles

#174
20100089037
2010-04-15

OPTIMIZED DISCRETE LEVEL SENSING SYSTEM FOR VEHICLE REDUCTANT RESERVOIR

#175
20100086446
2010-04-08

Exhaust emission purifying apparatus for engine

#176
20100084558
2010-04-08

SYSTEMS AND METHODS FOR DETERMINING A CONCENTRATION OF UREA IN AN AQUEOUS SOLUTION

#177
20100050606
2010-03-04

UREA TANK ASSEMBLY

#178
20100050601
2010-03-04

Exhaust gas purifier of construction machine

#179
20100037599
2010-02-18

Exhaust purification device of internal combustion engine

#180
20100031641
2010-02-11

Exhaust purification device of an internal combustion engine

#181
20100023200
2010-01-28

Method for detecting an error in a component assembly

#182
20100003168
2010-01-07

Apparatus for distinguishing liquid reducing agent and exhaust emission control apparatus of engine

#183
20090301067
2009-12-10

Reagent dosing system and method of dosing reagent

#184
20090293451
2009-12-03

Exhaust control system having diagnostic capability

#185
20090288734
2009-11-26

Procedure for a reasonability check of a temperature sensor

#186
20090199542
2009-08-13

Method for operating an internal combustion engine and device for implementing the method

#187
20090199541
2009-08-13

Method for operating an internal combustion engine and device for carrying out the method

#188
20090193793
2009-08-06

Exhaust emission purifying apparatus for engine

#189
20090187416
2009-07-23

Fuel Station Apparatus and Method for Utilizing the Same

#190
20090148370
2009-06-11

Process to produce ammonia from urea

#191
20090107116
2009-04-30

EXHAUST GAS TREATMENT

#192
20090019835
2009-01-22

Fluid delivery system

#193
20080314027
2008-12-25

Exhaust Gas Treatment

#194
20080306673
2008-12-11

Exhaust emission control device for internal combustion engine

#195
20080306631
2008-12-11

Adaptive reductant dosing and emission control strategies

#196
20080276598
2008-11-13

Approach for detecting reductant availability and make-up

#197
20080178575
2008-07-31

System and method for monitoring reductant quality

#198
20080098726
2008-05-01

System implementing low-reductant engine operation mode

#199
20080087739
2008-04-17

Methods and apparatus for injecting atomized fluid

#200
20080087008
2008-04-17

Dual injector system for diesel emissions control

#201
20080022654
2008-01-31

Method and apparatus for reducing emissions in diesel engines

#202
20070277502
2007-12-06

Exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and associated operating method

#203
20070266703
2007-11-22

Apparatus for judging condition of injection of reducing agent incorporated in exhaust gas purification system

#204
20070245714
2007-10-25

Optimized exhaust after-treatment integration

#205
20070204678
2007-09-06

Condition discriminating apparatus for liquid reducing agent

#206
20070202019
2007-08-30

Reducing agent container having novel structure

#207
20070163673
2007-07-19

Use of a method and a system for spill-free refilling of liquids, gun for spill-free refilling of liquids, connection for a tank, method and system for control and communication in a spill-free liquid refilling system, method and system for media provision in a spill-free refilling system, spill-free and liquid-tight refill

#208
20070163244
2007-07-19

System and method for NOx reduction optimization

#209
20070138322
2007-06-21

Methods and apparatus for injecting atomized fluid

#210
20070110618
2007-05-17

Liquid state detecting apparatus

#211
20070059222
2007-03-15

Structure of reducing agent container

#212
20060184307
2006-08-17

Travel assist system

#213
20050251318
2005-11-10

Method for metering a reagent for the emission control of internal combustion engines and device for executing the method

#214
20050235632
2005-10-27

Methods and apparatus for injecting atomized reagent

#215
20050207936
2005-09-22

System for diagnosing reagent solution quality

#216
20050011183
2005-01-20

Device for metering a urea soulution

#217
18103958
2024-06-25

Integrated grommet filter

#218
17069252
2022-02-22

Systems and methods for selective catalytic reduction (SCR) failure detection