ClassID:

167155

G01M15/05 - CPC Classification

Classification description:

Testing of engines; Testing internal-combustion engines by combined monitoring of two or more different engine parameters

Recent Application in this class:
#1
20260118222
2026-04-30

CONTROL DEVICE AND METHOD FOR MEASURING AN INTERNAL COMBUSTION ENGINE ON A TEST BENCH

#2
20260117763
2026-04-30

Intuitive Natural Gas Compressor Monitoring System

#3
20260098786
2026-04-09

MISFIRE DIAGNOSIS DEVICE

#4
20260079078
2026-03-19

SYSTEMS AND METHODS FOR METHANE NUMBER CALCULATION

#5
20260071934
2026-03-12

ENGINE OIL CONSUMPTION DETECTION USING OIL LEVEL AND MACHINE TILT

#6
20260049898
2026-02-19

MONITORING ENGINE OIL LEVEL AND QUALITY FOR WELL SYSTEMS

#7
20260009697
2026-01-08

METHOD FOR DETERMINING THE TEMPERATURE OF AN INTERNAL COMBUSTION ENGINE

#8
20260002488
2026-01-01

COMBUSTION ABNORMALITY MONITORING DEVICE FOR TWO-STROKE ENGINE

#9
20260002462
2026-01-01

DEGRADATION DEGREE ESTIMATION SYSTEM

#10
20250390119
2025-12-25

Portable Mass Airflow Training Module

#11
20250389622
2025-12-25

KINETIC ANALYSIS METHOD FOR MARINE VALVE CAMSHAFT SYSTEM IN CONSIDERATION OF FRICTION EFFECT

#12
20250361841
2025-11-27

TORQUE ESTIMATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

#13
20250341446
2025-11-06

Diagnosis Device and Diagnosis Method for Internal Combustion Engine

#14
20250271331
2025-08-28

OPTICAL INSPECTION SYSTEM EMBEDDED IN AN INLET PROBE BODY

#15
20250237577
2025-07-24

ENVIRONMENTAL EXPOSURE INDEX TO SUPPRESS LOCATION INFORMATION

#16
20250207999
2025-06-26

SYSTEM AND METHOD FOR DIAGNOSTICS OF A POWER ASSEMBLY

#17
20250198880
2025-06-19

MOTOR-MONITORING DEVICE

#18
20250180434
2025-06-05

PRE-IGNITION DETECTION DEVICE

#19
20250137882
2025-05-01

SENSOR UNIT

#20
20250093234
2025-03-20

CYLINDER HEAD CRACK DETECTION SYSTEM

#21
20250084803
2025-03-13

ENGINE CONTROL UNIT CALIBRATION

#22
20240337563
2024-10-10

FAILURE DIAGNOSIS SYSTEM FOR MARINE ENGINE COMBUSTION CHAMBER AND METHOD FOR DIAGNOSING FAILURE OF MARINE ENGINE COMBUSTION CHAMBER USING THE SAME

#23
20240328342
2024-10-03

DUAL-PURPOSE HEATER AND FLUID FLOW MEASUREMENT SYSTEM

#24
20240319044
2024-09-26

SYSTEMS AND METHODS FOR METHANE NUMBER CALCULATION

#25
20240280042
2024-08-22

Virtual sensing system

#26
20240264041
2024-08-08

POWER DETERMINATION APPARATUS AND POWER DETERMINATION METHOD

#27
20240255971
2024-08-01

Portable Mass Airflow Training Module

#28
20240192086
2024-06-13

TEST OBJECT HAVING A MEASURING MODULE

#29
20240183751
2024-06-06

ENGINE ABNORMALITY PREDICTING DEVICE

#30
20240159625
2024-05-16

TEST APPARATUS FOR A VEHICLE

#31
20240110848
2024-04-04

MISFIRE DETERMINATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

#32
20240102888
2024-03-28

Method for detecting malfunctioning turbo-diesel cylinders

#33
20240068910
2024-02-29

Cavitation Detection Using Torque Load and/or Instantaneous Fuel Consumption

#34
20240068909
2024-02-29

METHOD AND DEVICE FOR DETECTING MISFIRING CYLINDER OF RECIPROCATING INTERNAL-COMBUSTION ENGINE USING TORSIONAL VIBRATION SIGNAL

#35
20230296478
2023-09-21

Determining the composition of a combustion gas

#36
20230273095
2023-08-31

Successive Gas Path Fault Diagnosis Method with High Precision for Gas Turbine Engines

#37
20230175926
2023-06-08

Systems and methods for monitoring engine starting systems

#38
20230168152
2023-06-01

MEASUREMENT OF FLOW OF VENT GAS WITH COMBUSTIBLES

#39
20230121134
2023-04-20

Method for predicting soot build-up in an engine system

#40
20230115272
2023-04-13

CLASSIFIER FOR VALVE FAULT DETECTION IN A VARIABLE DISPLACEMENT INTERNAL COMBUSTION ENGINE

#41
20230114485
2023-04-13

Condition indicator noise reduction through operational parameter-based corrections

#42
20230100198
2023-03-30

Diagnosing a supercharger off of generated pressure

#43
20230063634
2023-03-02

Engine test method, computer-readable recording medium, and engine test apparatus

#44
20230003161
2023-01-05

Virtual sensing system

#45
20220381648
2022-12-01

Test kit for executing a sequence of individual cylinder tests

#46
20220307385
2022-09-29

Non-optical flame detector and method for a combustor of a turbine engine

#47
20220299023
2022-09-22

Intuitive Natural Gas Compressor Monitoring System

#48
20220252483
2022-08-11

SENSOR AND MANUFACTURING METHOD

#49
20220244116
2022-08-04

Drive shaft monitoring system

#50
20220221376
2022-07-14

Heavy duty engine regulatory testing for identifying torque or energy loss based on heat transfer

#51
20220221361
2022-07-14

Physical quantity sensor-fixing structure

#52
20220120636
2022-04-21

Engine simulation test device capable of realizing ultrahigh compression temperature and pressure

#53
20220099529
2022-03-31

Misfire detection device and method for internal combustion engine

#54
20220099528
2022-03-31

Misfire determination apparatus and method for internal combustion engine

#55
20220056860
2022-02-24

Detecting a state of an air diverter valve of an air induction system for a vehicle

#56
20220050018
2022-02-17

ENGINE TEST METHOD, ENGINE TEST DEVICE, AND COMPUTER-READABLE RECORDING MEDIUM

#57
20220034274
2022-02-03

Methods and system for estimating engine torque at low temperatures

#58
20220026933
2022-01-27

Portable mass airflow training module

#59
20220003182
2022-01-06

METHOD AND SYSTEM FOR DIAGNOSING MISFIRE OF ENGINE

#60
20210373080
2021-12-02

Drive for an electric application and processes for maintaining and fine-tuning the drive

#61
20210364389
2021-11-25

Measurement of flow of vent gas with combustibles

#62
20210319156
2021-10-14

Method and system for fault diagnosis with small samples of power equipment based on virtual and real twin spaces

#63
20210254558
2021-08-19

Method for monitoring engine health of aircraft

#64
20210239064
2021-08-05

System and method for detecting malfunctioning turbo-diesel cylinders

#65
20210215109
2021-07-15

Synchronous real time dynamometer and control system

#66
20210182671
2021-06-17

Big data-based driving information provision system and method thereof

#67
20210156764
2021-05-27

Engine monitoring method

#68
20210140351
2021-05-13

Engine monitoring apparatus

#69
20210131914
2021-05-06

Stochastic configuration network based turbofan engine health parameter estimation method

#70
20210088410
2021-03-25

Method for performing a test run with a test stand

#71
20210088324
2021-03-25

Non-contact process for engine deposit layer measurement

#72
20210079865
2021-03-18

Diagnostic systems and methods for isolating failure modes of a vehicle

#73
20210062746
2021-03-04

State determination device for internal combustion engine, state determination system for internal combustion engine, data analysis device, and control device for internal combustion engine

#74
20210028680
2021-01-28

Energy harvester with iron core and at least four magnet portions facing iron core structure and self-powered generation wireless sensor nodes management server

#75
20210005029
2021-01-07

Methods and systems for in-use monitor performance

#76
20210003071
2021-01-07

Method for operating an internal combustion engine, control device, and internal combustion engine

#77
20200408105
2020-12-31

Control of power generation system by visually monitoring component during operation

#78
20200370461
2020-11-26

Virtual sensing system

#79
20200333215
2020-10-22

ENGINE DIAGNOSTIC SYSTEM, VEHICLE USED FOR THE ENGINE DIAGNOSTIC SYSTEM, AND ENGINE DIAGNOSING METHOD

#80
20200284180
2020-09-10

Heater element having targeted decreasing temperature resistance characteristics

#81
20200284179
2020-09-10

Dual-purpose heater and fluid flow measurement system

#82
20200271037
2020-08-27

System and method for axial zoning of heating power

#83
20200264639
2020-08-20

Portable mass airflow training module

#84
20200256275
2020-08-13

KNOCK SENSOR SYSTEMS AND METHODS FOR VALVE RECESSION CONDITIONS

#85
20200240346
2020-07-30

Calculation of exhaust emissions of a motor vehicle

#86
20200232882
2020-07-23

Method and system for managing the monitoring of an engine cooling system

#87
20200225119
2020-07-16

Method for detecting pre-ignition of internal combustion engine

#88
20200217263
2020-07-09

Agricultural work vehicle and system and method for monitoring state of agricultural work vehicle

#89
20200173878
2020-06-04

Engine oil dipstick monitoring apparatus

#90
20200149994
2020-05-14

System for remote monitoring engine parameters

#91
20200132553
2020-04-30

Temperature sensor device

#92
20200109654
2020-04-09

Virtual sensing system

#93
20200064229
2020-02-27

Engine virtual test environment system and engine management system mapping method

#94
20200049061
2020-02-13

Tool to predict engine life using ring wear and fuel burned

#95
20190323915
2019-10-24

Pressure sensor

#96
20190285512
2019-09-19

Engine health diagnosis and fault isolation with cranking test

#97
20190257241
2019-08-22

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

#98
20190226416
2019-07-25

Knock sensor systems and methods for valve recession conditions

#99
20190195184
2019-06-27

Method for maximizing the formation of deposits in injector nozzles of GDI engines

#100
20190186337
2019-06-20

Cooling device anomaly diagnosing apparatus

#101
20190170612
2019-06-06

Vehicle coolant flow and coolant quality sensor assembly

#102
20190053330
2019-02-14

Exhaust system with actuated flow bypass and thermal storage device

#103
20190048817
2019-02-14

Engine self-adjustment system

#104
20190017900
2019-01-17

Machine commissioning system and method

#105
20190017456
2019-01-17

ENGINE OPERATOR INITIATED SELF-ADJUSTMENT SYSTEM

#106
20190011319
2019-01-10

Engine torque estimating device, engine control system, and engine torque estimation method

#107
20180328816
2018-11-15

Fleet management system

#108
20180328815
2018-11-15

Dynamometer-system dynamo control device and engine starting method therefor

#109
20180306160
2018-10-25

Hierarchical fault diagnosis and prognosis of a system

#110
20180285183
2018-10-04

Abnormality detection device

#111
20180266871
2018-09-20

Method for determining an air volume in a combustion chamber of an internal combustion engine

#112
20180156692
2018-06-07

Induction diagnostics for skip fire engines

#113
20180156149
2018-06-07

System and method for detecting a fault condition associated with a valvetrain of an engine

#114
20180156086
2018-06-07

Systems for in situ monitoring of working fluids and working fluid systems

#115
20180115265
2018-04-26

Hybrid power system characterization

#116
20180088004
2018-03-29

FUEL SYSTEM SMART NODE

#117
20180067018
2018-03-08

Back-up and restoration of data between volatile and flash memory

#118
20180052078
2018-02-22

Test stands for electric motor to be connected to front end accessory drive of internal combustion engine

#119
20180052025
2018-02-22

Method for improving fuel economy test precision in on-road vehicles

#120
20170363510
2017-12-21

Method for determining the engine torque delivered by a multi-cylinder engine

#121
20170359857
2017-12-14

Heater element as sensor for temperature control in transient systems

#122
20170299466
2017-10-19

Induction diagnostics for skip fire engines

#123
20170292897
2017-10-12

Temperature sensor integrated type semiconductor pressure sensor apparatus

#124
20170284898
2017-10-05

Control system having seal damage counting

#125
20170284897
2017-10-05

Control system having piston rim damage counting

#126
20170276083
2017-09-28

Misfire detecting system for engine

#127
20170262000
2017-09-14

Portable mass airflow training module

#128
20170257909
2017-09-07

Heater element having targeted decreasing temperature resistance characteristics

#129
20170256104
2017-09-07

Virtual sensing system

#130
20170254250
2017-09-07

Heater-actuated flow bypass

#131
20170254249
2017-09-07

Susceptor for use in a fluid flow system

#132
20170254248
2017-09-07

System and method for axial zoning of heating power

#133
20170254242
2017-09-07

Dual-purpose heater and fluid flow measurement system

#134
20170248093
2017-08-31

Method of continuously calculating trapped and scavenged air per cylinder

#135
20170193422
2017-07-06

Task assignment system and method for operating a test cell

#136
20170184018
2017-06-29

Heat generation rate waveform calculation device of internal combustion engine and method for calculating heat generation rate waveform

#137
20170176288
2017-06-22

Method for sensing reverse rotation of engine in vehicle using tooth period ratio of crankshaft

#138
20170145903
2017-05-25

CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE

#139
20170081992
2017-03-23

METHOD AND DEVICE FOR DIAGNOSE OF VALVES OF AN INTERNAL COMBUSTION ENGINE

#140
20170074853
2017-03-16

MULTI-MODAL FLUID CONDITION SENSOR PLATFORM AND SYSTEM THEREFOR

#141
20170074196
2017-03-16

Flow rate measuring device

#142
20170023439
2017-01-26

Fault diagnosis method of thermostat

#143
20160377500
2016-12-29

Systems and methods for detection of engine component conditions via external sensors

#144
20160370254
2016-12-22

Cylinder head acceleration measurement for valve train diagnostics system and method

#145
20160327453
2016-11-10

System and method for assisting with the diagnosis of the operating condition of a rotary machine

#146
20160319817
2016-11-03

METHOD OF OPTIMIZING SUPERCHARGER PERFORMANCE

#147
20160273490
2016-09-22

Technical testing method

#148
20160252429
2016-09-01

PRESSURE MEASUREMENT SYSTEM FOR ENGINE

#149
20160252428
2016-09-01

Dynamometer system

#150
20160252020
2016-09-01

Control apparatus and control method for internal combustion engine

#151
20160245144
2016-08-25

System and method for engine emission control harness

#152
20160215749
2016-07-28

CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE

#153
20160208832
2016-07-21

System for estimating a sensor output

#154
20160163135
2016-06-09

Systems and methods for managing fault codes

#155
20160116371
2016-04-28

Induction diagnostics for skip fire engine

#156
20160102626
2016-04-14

Method for monitoring operational parameters in an internal combustion engine

#157
20160025027
2016-01-28

Engine analysis and diagnostic system

#158
20150355054
2015-12-10

Systems and methods for diagnosing engine components and auxiliary equipment associated with an engine

#159
20150316445
2015-11-05

Standard engine cold test system and method

#160
20150308360
2015-10-29

Method For Determining A Cylinder Pressure-Crankshaft Position Assignment For An Internal Combustion Engine

#161
20150276551
2015-10-01

Testing unit for testing a multi-cylinder engine

#162
20150241305
2015-08-27

System dedicated to monitoring the physical and/or analogue parameters of the parts of an engine

#163
20150241304
2015-08-27

METHOD FOR THE COMPUTER-ASSISTED MONITORING OF THE OPERATION OF A TECHNICAL SYSTEM, PARTICULARLY OF AN ELECTRICAL ENERGY-GENERATING INSTALLATION

#164
20150233285
2015-08-20

PROCEDURE FOR OBTAINING AND CONTROLLING CLEAN ENERGY BY USING WATER, CONVERTING WATER INTO FUEL THROUGH EXTRACTION AND USE OF HYDROGEN AND RESPECTIVE MOLECULAR GAS EXPANSION EQUIPMENT

#165
20150226593
2015-08-13

Volume measuring device and volume measuring method

#166
20150211961
2015-07-30

Pumping loss calculation device for internal combustion engine

#167
20150204758
2015-07-23

Fleet management system

#168
20150198104
2015-07-16

Abnormality diagnosis device and an abnormality diagnosis method for a variable valve mechanism

#169
20150142293
2015-05-21

System and methods for diagnosing premature refueling shutoff

#170
20150134195
2015-05-14

Inspection method for inspecting electric drive apparatus

#171
20150128911
2015-05-14

Internal combustion engine provided with variable compression ratio mechanism

#172
20150094931
2015-04-02

Method for performing maintenance on an engine

#173
20150082771
2015-03-26

System for detecting a leakage in an intake line of an internal combustion engine

#174
20150046023
2015-02-12

Systems and methods for managing fault codes

#175
20150021925
2015-01-22

METHOD TO CONTROL TEMPERATURE OF ENGINE OF GENERATOR SYSTEM

#176
20140379206
2014-12-25

Method and system for cylinder compression diagnostics

#177
20140365036
2014-12-11

Engine operations support systems and methods for reducing fuel flow

#178
20140343822
2014-11-20

ENGINE DIAGNOSTIC WITH EXHAUST GAS SAMPLING DELAY

#179
20140277904
2014-09-18

Method for monitoring a subsystem installed in a motor vehicle

#180
20140085069
2014-03-27

Techniques for evaluating performance of internal combustion engine components

#181
20140070753
2014-03-13

System and method for control and analysis of a prime mover in an electrical machine using calculated torque

#182
20130333457
2013-12-19

Device and method for dynamic pressure loss and valve seal-tightness testing on a four stroke internal combustion engine

#183
20130317689
2013-11-28

Test system

#184
20130245967
2013-09-19

Estimation device for cylinder intake air amount and internal EGR rate in internal combustion engine

#185
20130218484
2013-08-22

System and method for monitoring rotating and reciprocating machinery

#186
20130211768
2013-08-15

Monitoring system for an engine test bench

#187
20130204488
2013-08-08

Multi-modal fluid condition sensor platform and system therefor

#188
20130184969
2013-07-18

Air/fuel imbalance monitor

#189
20130110378
2013-05-02

Control device of engine

#190
20130080085
2013-03-28

Multi-modal fluid condition sensor platform and system therefor

#191
20130030641
2013-01-31

Systems and methods for managing fault codes

#192
20120303209
2012-11-29

Engine failure diagnosis system and watercraft having the same

#193
20120285228
2012-11-15

Test rig for dynamic test assignments on internal combustion engines, and method for operating a test rig of this kind

#194
20120035838
2012-02-09

Method and device for acquiring and transmitting operating data of an internal combustion engine

#195
20110209534
2011-09-01

Power based field testing of diesel engines

#196
20110113873
2011-05-19

Apparatus and method for monitoring sliding state of piston

#197
20100326177
2010-12-30

Method and arrangement for fully automatic function checking of internal combustion engines

#198
20100312456
2010-12-09

Instantaneous interruption detection apparatus and internal combustion engine control apparatus including the same

#199
20100286860
2010-11-11

Propulsion prognostics apparatus and systems for unmanned aerial vehicles

#200
20100212632
2010-08-26

Method and apparatus for controlling combustion phasing in an internal combustion engine

#201
20100126259
2010-05-27

Methods and apparatus for analyzing internal combustion engines

#202
20100122689
2010-05-20

Combustion state detection apparatus for internal combustion engine

#203
20100085205
2010-04-08

Systems and methods for sensor-level machine monitoring

#204
20100063674
2010-03-11

ENGINE TEST METHOD USING STRUCTURED TEST PROTOCOL

#205
20090281695
2009-11-12

Motor vehicle performance monitoring system and method

#206
20090271099
2009-10-29

Drive train

#207
20090198403
2009-08-06

Serpentine belt useful life monitor

#208
20090183559
2009-07-23

Method for Ascertaining Individual-Cylinder Rotation Parameters of a Shaft of an Internal Combustion Engine

#209
20090178473
2009-07-16

Apparatus for detecting rotational position of internal combustion engine

#210
20090112395
2009-04-30

SYSTEM FOR DETECTING A BATTERY MALFUNCTION AND PERFORMING BATTERY MITIGATION FOR AN HEV

#211
20090025466
2009-01-29

Test equipment of engine motoring

#212
20080306671
2008-12-11

Transient engine performance adaptation method and system

#213
20080234919
2008-09-25

PERFORMING APPLICATION REVIEW VALIDATION TESTING FOR AN ENGINE AS INSTALLED IN AN APPLICATION

#214
20080172152
2008-07-17

ENGINE FAILURE DIAGNOSIS SYSTEM AND WATERCRAFT HAVING THE SAME

#215
20080154482
2008-06-26

Method for monitoring functional components of a motor vehicle

#216
20080148827
2008-06-26

Method of verifying component functionality on EGR and air systems

#217
20080148811
2008-06-26

Mass air flow sensor signal compensation system

#218
20080082228
2008-04-03

Engine diagnostic method

#219
20080071443
2008-03-20

Event logging method and device

#220
20080060427
2008-03-13

Malfunction diagnostic apparatus and malfunction diagnostic method for combustion improvement device

#221
20070265805
2007-11-15

Rapid engine mapping and modeling

#222
20070156323
2007-07-05

Method and system for adaptation of transient engine performance

#223
20070079651
2007-04-12

Method for ensuring the reliability of technical components

#224
20060229777
2006-10-12

System and methods of performing real-time on-board automotive telemetry analysis and reporting

#225
20060142907
2006-06-29

Method and system for enhanced vehicle diagnostics using statistical feedback

#226
20060089767
2006-04-27

Vehicles fault diagnostic systems and methods

#227
20060078175
2006-04-13

Hand-held diagnostic display unit including biometric characteristic security system

#228
20050273242
2005-12-08

Method for optimizing characteristics map

#229
20050131596
2005-06-16

Integrated automated analysis and repair

#230
20050114088
2005-05-26

Methods and systems for component wear prediction

#231
16587379
2022-01-04

Remote monitoring of engine performance using accelerometers

#232
14695660
2017-12-05

Methods and systems for encoder synchronization using spark and fuel modification

#233
14105574
2018-01-09

Vehicle diagnostic tool—multiple test II