ClassID:

169085

G01N33/28 - page 2 - 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

Recent Application in this class:
#301
20130213149
2013-08-22

Isothermal subsea sampling system and method

#302
20130210155
2013-08-15

Methods For Selection Of A Naphthenate Solids Inhibitor And Test Kit, And Method For Precipitating Naphthenate Solids

#303
20130082173
2013-04-04

Oil detection process and apparatus

#304
20130033272
2013-02-07

Inline measuring apparatus and method

#305
20120302474
2012-11-29

Oil soluble taggants

#306
20120298553
2012-11-29

PREDICTING PETROLEUM COKE MORPHOLOGY FROM FEEDSTOCK PROPERTIES

#307
20120290223
2012-11-15

Direct match spectrographic determination of fuel properties

#308
20120267115
2012-10-25

SUBSEA SAMPLING SYSTEM AND METHOD

#309
20120160707
2012-06-28

Process for characterizing corrosivity of refinery feedstocks

#310
20120144911
2012-06-14

Wind tunnel for studying vaporization of liquids

#311
20120143517
2012-06-07

Apparatus and method for measuring the properties of petroleum fractions and pure hydrocarbon liquids by light refraction

#312
20120132796
2012-05-31

Electrospray ionization mass spectrometry methodology

#313
20120131987
2012-05-31

Method and Apparatus for Gas Chromatographic Analysis of a Gas Mixture

#314
20120104244
2012-05-03

Petroleum oil analysis using liquid nitrogen cold stage—laser ablation—ICP mass spectrometry

#315
20120062886
2012-03-15

Thermally stable SERS taggants

#316
20120057165
2012-03-08

Particles comprising hollow surface-enhanced spectroscopy (SES)-active core for long wavelength SERS

#317
20120016168
2012-01-19

Processing and analysis techniques involving in-vessel material generation

#318
20110267074
2011-11-03

Method of measuring a multiphase flow

#319
20110214511
2011-09-08

Fluid analysis system and method for operation of an analysis system

#320
20110120950
2011-05-26

Processing and analysis techniques involving in-vessel material generation

#321
20110084842
2011-04-14

Optical fluid tester

#322
20110069307
2011-03-24

Dipyrromethenes and azadipyrromethenes as markers for petroleum products

#323
20110041590
2011-02-24

System and method for measuring or monitoring of a low concentration dispersed phase

#324
20110013184
2011-01-20

Optical method for determination of the total suspended solids in jet fuel

#325
20100332108
2010-12-30

FUEL VAPOR PRESSURE MEASURING DEVICE

#326
20100305872
2010-12-02

Apparatus and Method for Measuring the Properties of Petroleum Factions and Pure Hydrocarbon Liquids by Light Refraction

#327
20100235107
2010-09-16

Concentration sensor device and concentration detecting method

#328
20100230587
2010-09-16

Electrospray ionization mass spectrometry methodology

#329
20100212439
2010-08-26

Self-flushing bottle in-line fluid sampler

#330
20100208261
2010-08-19

SPECTROMETER WITH LED ARRAY

#331
20100204925
2010-08-12

Method for measuring the properties of petroleum fuels by distillation

#332
20100139367
2010-06-10

Method of analysing the hydrocarbon compounds in a bituminous material

#333
20100116715
2010-05-13

Application of visbreaker analysis tools to optimize performance

#334
20100096552
2010-04-22

Method for predicting hydrocarbon process stream stability using near infrared spectra

#335
20100083771
2010-04-08

Gas sampling apparatus

#336
20100083730
2010-04-08

Multi-sensing device and method of operating

#337
20100053622
2010-03-04

Application of visbreaker analysis tools to optimize performance

#338
20100024528
2010-02-04

Procedure and device for determining the vapor pressure of a fuel

#339
20100012586
2010-01-21

Methods and devices for minimizing membrane fouling for microfluidic separators

#340
20090288915
2009-11-26

Method for Operating a Printing Press

#341
20090279072
2009-11-12

Oil type discrimination method and oil type discriminator

#342
20090241672
2009-10-01

System and method for providing a compositional measurement of a mixture having entrained gas

#343
20090233371
2009-09-17

METHOD OF DETERMINING CYCLIC CARBON CONTENT IN SAMPLE AND METHOD OF DETERMINING CONTENT OF CYCLIC CARBON MATERIAL IN SAMPLE

#344
20090229383
2009-09-17

Apparatus for determining the filterability of fluids, in particular of transmission oils

#345
20090183871
2009-07-23

Microfluidic separator

#346
20090121138
2009-05-14

Measuring Near Infra-Red Spectra Using a Demountable Nir Transmission Cell

#347
20090120171
2009-05-14

Vibrating wire viscosity sensor

#348
20090059995
2009-03-05

Device for recording the boiling curve of liquids

#349
20080296487
2008-12-04

Method and system for chemical and physical characterization of complex samples

#350
20080282814
2008-11-20

Gas sampling apparatus

#351
20080216577
2008-09-11

Testing of bottomhole samplers using acoustics

#352
20080173076
2008-07-24

Method and device for measuring the minimum miscibility pressure of two phases

#353
20080167849
2008-07-10

Reservoir Simulation

#354
20080098827
2008-05-01

Simplified oil sampling assembly

#355
20080092435
2008-04-24

METHODS OF PURIFYING BIODIESEL FUELS

#356
20080084321
2008-04-10

Acoustic particle alarm including particle sensor

#357
20080066531
2008-03-20

Liquid type identifying method and liquid type identifying device

#358
20080015792
2008-01-17

High water cut well measurements using heuristic salinity determination

#359
20070291898
2007-12-20

Apparatus and method for fluid phase fraction determination using x-rays

#360
20070240514
2007-10-18

Testing of bottomhole samplers using acoustics

#361
20070227234
2007-10-04

Funnel viscosimeter

#362
20070212790
2007-09-13

Method for monitoring feeds to catalytic cracking units by near-infrared spectroscopy

#363
20070181798
2007-08-09

Method and system for chemical and physical characterization of complex samples

#364
20070157708
2007-07-12

Multiphase fluid characterization

#365
20070151331
2007-07-05

Liquid type identification device

#366
20070144739
2007-06-28

Blending system for solid/fluids mixtures

#367
20070143023
2007-06-21

Reservoir sample chain-of-custody

#368
20070137481
2007-06-21

METHOD TO MEASURE OLEFINS IN A COMPLEX HYDROCARBON MIXTURE

#369
20070125233
2007-06-07

Self-contained chromatography system

#370
20070114377
2007-05-24

Micro-hydrocarbon analysis

#371
20070107519
2007-05-17

Wireless acoustic wave sensor system for use in vehicle applications

#372
20070103669
2007-05-10

Method for monitoring and regulating selective hydrogenation of olefinic gasoline fractions

#373
20070048874
2007-03-01

Processing and analysis techniques involving in-vessel material generation

#374
20070039373
2007-02-22

Method and device for determining the fractions of lubricants emitted into the atmosphere in coolant processes

#375
20070008540
2007-01-11

Application of visbreaker analysis tools to optimize performance

#376
20070008529
2007-01-11

Apparatus for characterizing and measuring the concentration of opaque particles within a fluid sample

#377
20060283244
2006-12-21

Measuring device for determining the characteristics and the level of a brake fluid in a motor vehicle

#378
20060283238
2006-12-21

Submersible probe

#379
20060277978
2006-12-14

Viscosity sensor system

#380
20060267600
2006-11-30

System for purifying and monitoring the condition of lubricant fluid in compressors and other equipment

#381
20060230833
2006-10-19

Wireless oil filter sensor

#382
20060210139
2006-09-21

Foam assessment

#383
20060201264
2006-09-14

Transformer monitoring system

#384
20060162430
2006-07-27

System and method for determining an air content, air release ability and for foam forming on oil surfaces

#385
20060155485
2006-07-13

Fluid condition monitoring using broad spectrum impedance spectroscopy

#386
20060141637
2006-06-29

Multi-phase fluid sampling method and apparatus

#387
20060130563
2006-06-22

Method of determining paraffinic crude flow restart conditions

#388
20060053869
2006-03-16

Apparatus and method for providing a fluid cut measurement of a multi-liquid mixture compensated for entrained gas

#389
20060034558
2006-02-16

System for the measurement and data acquisition for optical fiber sensors

#390
20060014296
2006-01-19

Method for refinery foulant deposit characterization

#391
20060008913
2006-01-12

Microfluidic separator

#392
20050248356
2005-11-10

Sensing film material

#393
20050223782
2005-10-13

Transformer monitoring system

#394
20050213633
2005-09-29

Method for recording the boiling curve of liquids and device for carrying out the method

#395
20050205301
2005-09-22

Testing of bottomhole samplers using acoustics

#396
20050172700
2005-08-11

Fuel type identifying apparatus

#397
20050172698
2005-08-11

Fluid aeration test apparatus and method

#398
20050165554
2005-07-28

Fluids chain-of-custody

#399
20050121323
2005-06-09

Sealed sensor housing and method of making

#400
20050110503
2005-05-26

Fluid condition monitoring using broad spectrum impedance spectroscopy

#401
20050019939
2005-01-27

Combination marker for liquids and method identification thereof

#402
16719754
2021-01-12

Nuclear densitometer assemblies for hydraulic fracturing

#403
16116244
2019-01-29

Method and device for evaluating and predicting a shale oil enrichment areas of fault lacustrine basins

#404
15901717
2018-10-30

Apparatus, system, and method for monitoring flow in a passage