ClassID:

169102

G01N33/30 - CPC Classification

Classification description:

Investigating or analysing materials by specific methods not covered by groups -; Oils; viscous liquids; paints; inks; Oils, i.e. hydrocarbon liquids for lubricating properties

Recent Application in this class:
#1
20260118341
2026-04-30

STATE MONITORING SYSTEM AND PROGRAM OF INSPECTION EQUIPMENT

#2
20260079100
2026-03-19

OIL DIAGNOSTIC METHOD AND OIL DIAGNOSTIC SYSTEM

#3
20250341510
2025-11-06

MONITORING AND DIAGNOSING APPARATUS, MONITORING AND DIAGNOSING SYSTEM, AND MONITORING AND DIAGNOSING METHOD

#4
20250171705
2025-05-29

CONDUCTIVE GREASE FORMULATIONS AND GROUNDING SOLUTIONS FOR ELECTRIC DRIVE UNIT

#5
20250155425
2025-05-15

ROLLER LUBRICATION PERFORMANCE MEASURING AND TESTING DEVICE

#6
20250035018
2025-01-30

REAL-TIME SYSTEM AND METHOD FOR DETERMINING REMAINING USEFUL OIL LIFE IN VEHICLES

#7
20240418699
2024-12-19

Fluid monitoring

#8
20230400448
2023-12-14

METHODS AND DEVICES FOR MONITORING MACHINE FLUIDS

#9
20230057229
2023-02-23

Method for using lubricating oil composition and method for evaluating degradation

#10
20230048871
2023-02-16

PORTABLE MODULAR UNIT FOR INSPECTING IN A TIMEPIECE THE PRESENCE OF A LUBRICATING AGENT OR OF AN EPILAME

#11
20220316653
2022-10-06

Diagnosis system of lubricating oil and diagnosis method of lubricating oil

#12
20220196531
2022-06-23

Whole-vehicle-based method for evaluating extreme pressure and antiwear properties of grease

#13
20220050045
2022-02-17

Device for measuring frictional force and film thickness of lubricating oil film in different surface velocity directions

#14
20220018749
2022-01-20

Method for determining lubricant properties

#15
20210389295
2021-12-16

Fluid monitoring

#16
20210381641
2021-12-09

Determining timing for lubricating fluid change

#17
20210325363
2021-10-21

Method for determining degree of sludge generation in oil

#18
20210231634
2021-07-29

Methods and devices for monitoring machine fluids

#19
20210055203
2021-02-25

Non-contact torque sensing

#20
20200217832
2020-07-09

Method and system for checking an oil for an internal combustion engine, in particular of a motor vehicle

#21
20200217780
2020-07-09

Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration

#22
20200096427
2020-03-26

GREASE PROPERTY MEASUREMENT DEVICE AND GREASE PROPERTY MEASUREMENT METHOD

#23
20200072812
2020-03-05

Characterization of crude oil and its fractions by fluorescence spectroscopy analysis

#24
20200072811
2020-03-05

Apparatus and methods for testing oil separation from grease

#25
20200041069
2020-02-06

Condition monitoring pod

#26
20190227007
2019-07-25

Process for calibrating a sensor, automated method for online monitoring of the changes to a liquid body and associated sensor

#27
20190086383
2019-03-21

Electrostatic varnish and precursor detection in lubricants

#28
20190086382
2019-03-21

Lubricant deterioration detection device and lubricant deterioration state evaluation method

#29
20190064138
2019-02-28

Method to evaluate the stability of a protein-based formulation

#30
20190003640
2019-01-03

Condition monitoring pod

#31
20190002782
2019-01-03

13C-NMR-BASED COMPOSITION OF HIGH QUALITY LUBE BASE OILS AND A METHOD TO ENABLE THEIR DESIGN AND PRODUCTION AND THEIR PERFORMANCE IN FINISHED LUBRICANTS

#32
20180372661
2018-12-27

SENSOR

#33
20180372660
2018-12-27

SENSOR

#34
20180321216
2018-11-08

Friction testing apparatus and method

#35
20180202989
2018-07-19

Apparatus and method for monitoring the quality of a lubricant in a compressor

#36
20180156086
2018-06-07

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

#37
20180051793
2018-02-22

Fluid condition monitoring device

#38
20180024106
2018-01-25

FACILITY AND METHOD FOR MONITORING THE VARIATION IN THE QUALITY OF A LUBRICANT

#39
20180017211
2018-01-18

Monitoring device and method of an oil flow mixed with air

#40
20180011074
2018-01-11

INSTALLATION AND PROCESS OF FOLLOW-UP OF THE EVOLUTION OF THE BASICITY OF A LUBRICANT

#41
20170370851
2017-12-28

Method and kit for dosing iron ions in lubricating compositions

#42
20170284068
2017-10-05

Oil properties diagnostic system for work machine

#43
20170276711
2017-09-28

Capacitive sensor and manufacturing method thereof

#44
20170248572
2017-08-31

LUBRICANT CONDITION ASSESSMENT SYSTEM

#45
20170166827
2017-06-15

Rapid estimation of feed potential for base oil formation

#46
20160313228
2016-10-27

Viscosity estimation from demodulated acoustic emission

#47
20160195508
2016-07-07

CHARACTERIZATION OF CRUDE OIL AND ITS FRACTIONS BY FLUORESCENCE SPECTROSCOPY ANALYSIS

#48
20160195481
2016-07-07

Characterization of crude oil and its fractions by thermogravimetric analysis

#49
20160077012
2016-03-17

Quantifying the level of intermacromolecular interactions by using pyrene excimer formation

#50
20160061805
2016-03-03

System and method for estimating engine oil health

#51
20160061703
2016-03-03

Wear testing machine

#52
20160054292
2016-02-25

STORED LUBRICATING OIL ANALYZER SYSTEM, COMPUTER PROGRAM PRODUCT AND RELATED METHODS

#53
20160054291
2016-02-25

RECIPROCATING ENGINE LUBRICATING OIL ANALYZER SYSTEM, COMPUTER PROGRAM PRODUCT AND RELATED METHODS

#54
20160054290
2016-02-25

TRANSPORTATION MACHINE LUBRICATING OIL ANALYZER SYSTEM, COMPUTER PROGRAM PRODUCT AND RELATED METHODS

#55
20160054289
2016-02-25

INDUSTRIAL MACHINE LUBRICATING OIL ANALYZER SYSTEM, COMPUTER PROGRAM PRODUCT AND RELATED METHODS

#56
20160054288
2016-02-25

WIND TURBINE LUBRICATING OIL ANALYZER SYSTEM, COMPUTER PROGRAM PRODUCT AND RELATED METHODS

#57
20150101399
2015-04-16

Friction apparatus and method for measuring lubricity of downhole fluids

#58
20150082872
2015-03-26

Multi-modal fluid condition sensor platform and system therefor

#59
20150068273
2015-03-12

Tribometer, rheometer, module and a method for tribological measurements

#60
20150044775
2015-02-12

Measurement method and device, for determining degree of engine oil dilution by FAME

#61
20150000388
2015-01-01

Device and method for ascertaining measured values of gases and/or an aerosol for a machine

#62
20140262957
2014-09-18

Evaluation of distillate composition of a crude

#63
20140066646
2014-03-06

1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives in lubricant compositions

#64
20140066346
2014-03-06

1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives in lubricant compositions

#65
20130219998
2013-08-29

ROTATING SYSTEM AND METHOD FOR TESTING ENGINE LUBRICANTS

#66
20130152674
2013-06-20

Grease test kit and methods of testing grease

#67
20130008239
2013-01-10

Soot bench test

#68
20120291535
2012-11-22

OIL MIST DETECTOR TEST RIG

#69
20120037457
2012-02-16

Lubrication monitoring system for linear transmission device

#70
20110239743
2011-10-06

VEHICLE WORKING-FLUID EVALUATING SYSTEM

#71
20100070202
2010-03-18

Base oil low temperature property classification model

#72
20100014087
2010-01-21

Lubricant deterioration detector and bearing assembly equipped with such detector

#73
20100004890
2010-01-07

Device and method for testing friction reduction efficiency and suspension systems

#74
20090267620
2009-10-29

Film thickness measurement device and method

#75
20090199617
2009-08-13

Apparatus and methods for management of fluid condition

#76
20090192728
2009-07-30

APPARATUS, SYSTEM, AND METHOD FOR ONBOARD DEGRADED AND DEADLINED MECHANICAL SYSTEM ALERTING

#77
20080269088
2008-10-30

1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives in lubricant compositions

#78
20080206878
2008-08-28

Method of analyzing basestocks for low temperature properties

#79
20080163672
2008-07-10

Method of analyzing basestocks for low temperature properties

#80
20080153716
2008-06-26

High throughput preparation of lubricating oil compositions for combinatorial libraries

#81
20080140366
2008-06-12

Automated intelligent system for lubricant manufacture optimization

#82
20080116108
2008-05-22

Method for making a lubricating oil with improved low temperature properties

#83
20080078238
2008-04-03

Test method for the determination of an oil separation tendency of lubricating greases and test device for carrying out the same

#84
20080072662
2008-03-27

Test method to measure lubricant mobility on a hard drive disk

#85
20080034837
2008-02-14

Tribometer

#86
20070245811
2007-10-25

Lubricity measurement using MEMs sensor

#87
20070112527
2007-05-17

Predictive technologies for lubricant development

#88
20070106477
2007-05-10

Predictive technologies for lubricant development

#89
20070068228
2007-03-29

High throughput screening methods for lubricating oil compositions

#90
20070032964
2007-02-08

Method to determine predictive tests and device applying same to lubricant formulations

#91
20060260404
2006-11-23

Acoustic wave lubricity sensor

#92
20060254344
2006-11-16

Apparatus and method for measuring viscosity

#93
20060130562
2006-06-22

Miniaturized sensor device for detecting characteristics of a fluid, in particular a lubricating oil

#94
20060086178
2006-04-27

Lubricity measurement using MEMS

#95
20060065045
2006-03-30

Microelectromechanical system (MEMS) viscosity sensor for fluid health monitoring

#96
20050217349
2005-10-06

System and method for simulating lubricating oil testing

#97
20050209796
2005-09-22

Integrated circuitry for controlling analysis of a fluid

#98
20050109130
2005-05-26

Method for testing properties of corrosive lubricants

#99
20050095718
2005-05-05

Combinatorial lubricating oil composition libraries

#100
20050095716
2005-05-05

High throughput screening methods for lubricating oil compositions

#101
20050095714
2005-05-05

High throughput preparation of lubricating oil compositions for combinatorial libraries

#102
20050092072
2005-05-05

High throughput screening methods for lubricating oil compositions

#103
20050072217
2005-04-07

Lubricity measurement using MEMs sensor

#104
20050016262
2005-01-27

Lubricity tester for diesel fuels

#105
19033754
2025-06-17

Crude oil transportation drag-reducing agent testing loop test bench and a use method thereof

#106
18410596
2024-09-17

Double-layer oil film lubrication analysis method and system based on floating bushing

#107
16006430
2020-04-21

Method and related device for grease evaluation