ClassID:

169098

G01N33/2876 - 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 specific substances contained in the oil or fuel Total acid number

Recent Application in this class:
#1
20240170106
2024-05-23

METHOD FOR DETERMINING THE ACIDITY DISTRIBUTION CURVE OF OILS FROM THE MOLECULAR COMPOSITION OF THE CRUDE OIL

#2
20230400448
2023-12-14

METHODS AND DEVICES FOR MONITORING MACHINE FLUIDS

#3
20220317081
2022-10-06

Fluid property sensing array utilizing a neural network

#4
20220065142
2022-03-03

Engine lubrication oil consumption and condition monitoring

#5
20210308606
2021-10-07

Sensing system for detecting machine fluid degradation

#6
20210231634
2021-07-29

Methods and devices for monitoring machine fluids

#7
20200240963
2020-07-30

Quantitative method for determining the organic acid content of crude oil

#8
20200033317
2020-01-30

Wax risk assessment and mitigation using advanced data analytics and pipe flow modeling

#9
20200033315
2020-01-30

METHODS FOR DETERMINING RESIDUAL SURFACTANT CONCENTRATIONS IN OIL AND WATER PHASES

#10
20190346389
2019-11-14

Method and system for determining a quality of hydrocarbon fluid

#11
20190277756
2019-09-12

Sample testing apparatus and method

#12
20190255470
2019-08-22

Sensing system for detecting machine fluid degradation

#13
20190226947
2019-07-25

Fluid analysis and monitoring using optical spectroscopy

#14
20190187119
2019-06-20

Determination of total base number in lubricants

#15
20190101473
2019-04-04

Fluid analysis and monitoring using optical spectrometry

#16
20190072483
2019-03-07

Systems, apparatuses, and methods for fluid analysis and monitoring

#17
20180362867
2018-12-20

System and method to mitigate fouling during a hydrocarbon refining process

#18
20180313808
2018-11-01

Methods for characterising and minimising the corrosive effects of an oil

#19
20180299375
2018-10-18

Fluid analysis and monitoring using optical spectroscopy

#20
20180299355
2018-10-18

Fluid analysis and monitoring using optical spectroscopy

#21
20180217058
2018-08-02

Method for on-line determination of a basicity index of a liquid body and use of said method for a lubricant

#22
20180140978
2018-05-24

Sensing system for detecting machine fluid degradation

#23
20180079969
2018-03-22

Removing contaminants from crude oil

#24
20180011074
2018-01-11

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

#25
20160313237
2016-10-27

Systems, apparatuses, and methods for fluid analysis and monitoring

#26
20160131575
2016-05-12

Method and system for monitoring the quality of fluids

#27
20150021482
2015-01-22

Device and method for recording contaminations in a hydraulic system

#28
20140248706
2014-09-04

Hydrofluoropropene refrigerant composition comprising phthalates

#29
20130289320
2013-10-31

Methods for evaluating corrosivity of crude oil feedstocks

#30
20130218481
2013-08-22

Determining acid concentration by boiling point

#31
20130068965
2013-03-21

Biofuel degradation sensor based on fluorescence measurements

#32
20130047708
2013-02-28

Method and system for measuring engine oil deterioration

#33
20120229152
2012-09-13

Measuring method for degree of degradation of lubricating oil, and measuring device therefor, as well as lubricating oil monitoring system in machine and device

#34
20120170025
2012-07-05

ONLINE SENSOR FOR MONITORING CHEMICAL CONTAMINATIONS IN HYDRAULIC FLUIDS

#35
20120160736
2012-06-28

Processes and systems for characterizing and blending refinery feedstocks

#36
20120160707
2012-06-28

Process for characterizing corrosivity of refinery feedstocks

#37
20110312101
2011-12-22

REFRIGERANT COMPOSITION CONTAINING HYDROFLUOROPROPENE WITH LOW-GLOBAL WARMING POTENTIAL

#38
20110223672
2011-09-15

Integrated methods for corrosivity, ageing and fingerprinting determination, as well as diagnosis, decontamination, depolarisation and detoxification of oils

#39
20110155925
2011-06-30

Refined oil degradation level measuring instrument and refined oil degradation level measuring method

#40
20110074452
2011-03-31

Device for evaluating degree of degradation of lubricating oil

#41
20100252727
2010-10-07

EXHAUST SILENCER

#42
20100116022
2010-05-13

Method for analyzing engine oil degradation

#43
20100052702
2010-03-04

Apparatus for measuring total acid number of oil and estimating lifetime of oil, and method for measuring total acid number of oil and oil sensor using the same

#44
20100026988
2010-02-04

ONLINE SENSOR FOR MONITORING CHEMICAL CONTAMINATIONS IN HYDRAULIC FLUIDS

#45
20090294672
2009-12-03

Method for determination of the total acid number and naphthenic acid number of petroleum, petroleum cuts and petroleum emulsions of water-in-oil type by mid-infrared spectroscopy

#46
20090216471
2009-08-27

Method of monitoring deterioration of lubricating oil and device therefore

#47
20090211342
2009-08-27

Method for the quantitative determination of an aging effect on motor oil

#48
20090164139
2009-06-25

Measuring device and method for determination of at least one chemical property in an oil and a data storing device obtainable by said method

#49
20090011517
2009-01-08

Sample plate for fluid analysis in a refinery process

#50
20090001997
2009-01-01

SYSTEMS AND METHODS FOR DETERMINING A TOTAL ACID NUMBER ASSOCIATED WITH BIODIESEL IN A MIXTURE OF BIODIESEL AND PETRODIESEL

#51
20080260584
2008-10-23

Portable Apparatus For Analysis Of A Refinery Feedstock Or A Product Of A Refinery Process

#52
20080253426
2008-10-16

Method of Assaying a Hydrocarbon-Containing Feedstock

#53
20080199963
2008-08-21

Method of Determining Acid Content

#54
20070228281
2007-10-04

Infrared spectroscopy method for measuring the base number of overbased lubricants

#55
20070196925
2007-08-23

Determination of total base number in marine engine lubricants by elements

#56
20070084271
2007-04-19

Method and apparatus for estimating basicity of a used, all-loss cylinder lubricant

#57
20070074563
2007-04-05

Engine wear and oil quality sensor

#58
20070037288
2007-02-15

Measurement of distributed total acid numbers by electrospray mass spectrometry

#59
20070029196
2007-02-08

Reference electrode and detector using the same for detecting acidity or basicity of oil

#60
20070026524
2007-02-01

Method for evaluating the acidity of oil samples by isotopic labelling

#61
20050227369
2005-10-13

Rapid analysis of functional fluids

#62
20050165583
2005-07-28

Real time life models for automatic transmission fluids