ClassID:

167447

G01N9/26 - CPC Classification

Classification description:

Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences

Sub-classes:
Recent Application in this class:
#1
20260098849
2026-04-09

SYSTEMS AND METHODS FOR VARNISH DETECTION

#2
20250264392
2025-08-21

APPARATUS AND METHODS FOR LIQUID-DESICCANT CONCENTRATION MEASUREMENT WITHIN MASS TRANSFER ASSEMBLIES

#3
20250155334
2025-05-15

System for Agricultural Sample Slurry Analysis and Related Methods

#4
20250052654
2025-02-13

MEASURING APPARATUS

#5
20250020562
2025-01-16

IMPROVING ACCURACY BY ADDING ADDITIONAL SENSORS TO A DENSITY MEASURING SYSTEM

#6
20240310261
2024-09-19

AUTOMATED SYSTEM FOR FLUID QUALITY INSIDE THE IMPULSE LINE DIFFERENTIAL PRESSURE TRANSMITTER FOR INTERFACE LEVEL MEASUREMENT AND METHOD OF USE

#7
20240307596
2024-09-19

ACID MIXING SYSTEM

#8
20240240553
2024-07-18

Indirect measurement system for identifying the position, density and pressure of an underground liquid or gaseous interface

#9
20240167865
2024-05-23

LEVEL AND/OR DENSITY SENSOR DEVICE FOR LIQUID VESSELS

#10
20240151620
2024-05-09

ELECTRODE INK QUALITY DETERMINATION METHOD, AND MEASUREMENT SYSTEM

#11
20240053240
2024-02-15

AN ARRANGEMENT FOR CONTINUOUSLY DETERMINING DENSITY OF A FOOD PRODUCT, A METHOD THEREOF

#12
20240035944
2024-02-01

MEASUREMENT INSTRUMENT FOR DETERMINING ALCOHOL BY VOLUME, SPECIFIC GRAVITY, AND CALORIES OF AN ALCOHOLIC BEVERAGE

#13
20240027317
2024-01-25

Measuring density of multiphase fluids

#14
20240027243
2024-01-25

Multiphase fluid flow characterization

#15
20230408480
2023-12-21

Method and device for calculating concentration of hydrocarbon in fuel evaporation gas of vehicle

#16
20230349801
2023-11-02

DETERMINING RHEOLOGICAL PROPERTIES OF FLUIDS

#17
20230341308
2023-10-26

Adjustable cone meter with symmetrical sleeve

#18
20230304908
2023-09-28

DIFFERENTIAL DENSITY SYSTEM AND METHOD

#19
20230288304
2023-09-14

Adjustable cone meter with symmetrical sleeve

#20
20230228730
2023-07-20

Drilling mud management system and method

#21
20230168014
2023-06-01

Methods and systems for determining phase state or subcooling state

#22
20230064956
2023-03-02

Differential capillary viscometer and related method for determining viscosity

#23
20220397504
2022-12-15

Densimeter

#24
20220341376
2022-10-27

Failure diagnostic device for fuel vapor processing apparatus

#25
20220336171
2022-10-20

Electrical system with on-line sampling verification function and verification method thereof

#26
20220336170
2022-10-20

Transformation method for gas density relay, and gas density relay having online self-check function and check method thereof

#27
20220336169
2022-10-20

Maintenance-free gas density relay and cross-checking method therefor

#28
20220194829
2022-06-23

SYSTEM FOR MONITORING A BIOCHEMICAL PROCESS

#29
20220146391
2022-05-12

Sensor arrangement for detecting the density of harvested crops in a silo and compaction vehicle provided therewith

#30
20220124961
2022-04-28

Soil density prediction for subsoil crops

#31
20220042867
2022-02-10

Sensor for detecting pressure, filling level, density, temperature, mass and/or flow rate including nanowires arranged on coupling section

#32
20210333186
2021-10-28

Vortex fluid sensing to determine fluid properties

#33
20210322936
2021-10-21

Acid mixing system

#34
20210180449
2021-06-17

Method and apparatus for measuring characteristics of fluid in a reservoir

#35
20210156778
2021-05-27

Pycnometer with acclimation chamber

#36
20210140864
2021-05-13

Measurement system for determining liquid properties in a vessel

#37
20210140432
2021-05-13

Simultaneously pumping and measuring density of aircraft fuel

#38
20210139159
2021-05-13

Simultaneously pumping and measuring density of aircraft fuel

#39
20210116346
2021-04-22

Measuring density of aircraft fuel using a centrifugal fluid pump

#40
20210060636
2021-03-04

MOLD FORMING DEVICE, MOLD QUALITY EVALUATION DEVICE, AND MOLD QUALITY EVALUATION METHOD

#41
20210041324
2021-02-11

PIPELINE LEAK DETECTION APPARATUS AND METHODS THEREOF

#42
20200371084
2020-11-26

Drilling mud management system and method

#43
20200232966
2020-07-23

Methods and System for Measuring Density of Fresh Concrete

#44
20200166478
2020-05-28

Method for measuring multiple parameters of drilling fluid

#45
20200018736
2020-01-16

Concentration detection method and pressure-type flow rate control device

#46
20190234521
2019-08-01

Valve device for switchgears or similar, as well as uses thereof

#47
20190185806
2019-06-20

Level and/or density sensor device for liquid vessels

#48
20190137325
2019-05-09

METHOD FOR OPERATING MASS COMPARATOR WITH REMOVABLE CLIMATE MODULE

#49
20190060850
2019-02-28

Acid mixing system

#50
20190011059
2019-01-10

Connection adapter as a test port, including shutoff device

#51
20180345308
2018-12-06

Pressure-based method and system for measuring the density and height of a fluidized bed

#52
20180250719
2018-09-06

DEVICE AND METHOD FOR PROVIDING A CLEANING FLUID

#53
20180246024
2018-08-30

Method and measuring apparatus for determining compressibility of a flowing fluid

#54
20180245463
2018-08-30

METHOD FOR DETERMINING A WATER CUT OF AN OIL-WATER MIXTURE PRODUCED FROM AN OIL WELL

#55
20180223658
2018-08-09

Method and apparatus for measuring characteristics of fluid in a reservoir

#56
20180216983
2018-08-02

SOLID STATE FUEL LEVEL SENSOR

#57
20180172571
2018-06-21

DETERMINING FLUID DENSITY WITHIN A TANK

#58
20180031461
2018-02-01

Systems and methods for maximum specific gravity tests for asphalt mixture samples

#59
20180023268
2018-01-25

Test system and test method for detecting cement content of cement mixing pile body in real time

#60
20170211505
2017-07-27

Techniques for mitigating low-speed pre-ignition conditions in an engine and a fuel delivery system using the same

#61
20170145763
2017-05-25

Drilling Rig and Method of Operating It

#62
20170138189
2017-05-18

System for measuring multi-phase fluid flow characteristics

#63
20170097293
2017-04-06

Inline rheology/viscosity, density, and flow rate measurement

#64
20170052099
2017-02-23

Volumetric apparatus and densimeter in non liquid usage type

#65
20170030817
2017-02-02

True density measurement device

#66
20170023400
2017-01-26

PRECISION BALANCE OR MASS COMPARATOR WITH MODULE FOR DETECTING A MEASUREMENT UNCERTAINTY

#67
20170010196
2017-01-12

True density measurement device

#68
20160341645
2016-11-24

INLINE MULTIPHASE DENSITOMETER

#69
20160327464
2016-11-10

Method and system for estimating the specific gravity of an unknown fuel source in a multi-fuel engine

#70
20160274498
2016-09-22

Apparatus and method for determining a measure for the solid content of a liquid toner, and printing system including such an apparatus

#71
20160252389
2016-09-01

Precision scale having a removable climate module

#72
20160252388
2016-09-01

MASS COMPARATOR WITH REMOVABLE CLIMATE MODULE

#73
20160252386
2016-09-01

Dosing device with integrated balance and climate module

#74
20160250628
2016-09-01

Balance for calibrating pipettes

#75
20160061705
2016-03-03

Fuel density detection device

#76
20160041576
2016-02-11

Multi-measurement vortex flowmeter

#77
20160025700
2016-01-28

Method and probe for measuring buoyancy in concrete

#78
20150369716
2015-12-24

System and method for determining the specific gravity of a gaseous fuel

#79
20150160056
2015-06-11

Fluid characteristic determination of a multi-component fluid with compressible and incompressible components

#80
20150122016
2015-05-07

Inline rheology/viscosity, density, and flow rate measurement

#81
20150096369
2015-04-09

Apparatus, System and Method for Measuring the Properties of a Corrosive Liquid

#82
20140182371
2014-07-03

NON-RADIOACTIVE DENSITY MEASUREMENT IN OILFIELD OPERATIONS

#83
20140172305
2014-06-19

Systems and methods for real-time sag detection

#84
20140012507
2014-01-09

In-well full-bore multiphase flowmeter for horizontal wellbores

#85
20130338456
2013-12-19

Sensor device for sensing body fluid density and/or membrane resistance

#86
20130298696
2013-11-14

Method and system for measuring fluid flow in bell nipples using pressure measurement

#87
20130119964
2013-05-16

MULTI-MEASUREMENT VORTEX FLOWMETER

#88
20120318044
2012-12-20

Density monitor

#89
20120021102
2012-01-26

Apparatus and method for sensing the concentration of pulp in a concentrated pulp stream

#90
20120021098
2012-01-26

Apparatus and method for sensing and controlling the concentration of pulp in a concentrated pulp stream

#91
20110296911
2011-12-08

METHOD AND APPARATUS FOR MEASURING THE DENSITY OF A FLOWING FLUID IN A CONDUIT USING DIFFERENTIAL PRESSURE

#92
20110077911
2011-03-31

MULTI-MEASUREMENT VORTEX FLOWMETER

#93
20100262387
2010-10-14

Method and equipment for determining the interface between two or more fluid phases

#94
20090312964
2009-12-17

System, program product, and related methods for estimating and managing crude gravity in flowlines in real-time

#95
20090312963
2009-12-17

System, program product, and related methods for estimating and managing crude gravity in real-time

#96
20090234593
2009-09-17

Determination of density for metering a fluid flow

#97
20090217778
2009-09-03

Sampling and monitoring of particulate suspension material

#98
20090114038
2009-05-07

Determination of density for metering a fluid flow

#99
20090056437
2009-03-05

Liquid Level Detecting Method and Liquid Level Detecting Device

#100
20080173085
2008-07-24

Method & apparatus for fluid flow rate and density measurement

#101
20080072656
2008-03-27

Displacement instrument

#102
20070150547
2007-06-28

Multi-measurement vortex flowmeter

#103
20070006637
2007-01-11

Densitometer with pulsing pressure

#104
20060196814
2006-09-07

Method and apparatus for processing particulate material

#105
20060137448
2006-06-29

Device for measuring the density and/or specific gravity of a liquid

#106
20060010962
2006-01-19

Measurement of fluid properties in vessel and sensor for same

#107
20050268702
2005-12-08

Non-intrusive multiphase flow meter

#108
20050268697
2005-12-08

On-site measurement of the density or thermal resistance of a material

#109
20050268696
2005-12-08

Device for conducting the on-site measurement of the density or thermal resistance of a material

#110
20050268695
2005-12-08

System for conducting the on-site measurement of the density or thermal resistance of a material

#111
20050188771
2005-09-01

Flow meter for measuring fluid mixtures

#112
20050138993
2005-06-30

Densitometer with pulsing pressure

#113
20050109078
2005-05-26

Real time determination of gas solubility and related parameters in manufacturing processes

#114
17750216
2024-05-14

System and method of detecting skimmer and pump basket clogging by sensing changes in local liquid pressure

#115
15041847
2016-05-24

Marine probe with no moving parts for a marine tank

#116
15041821
2016-10-25

Probe with no moving parts for use in a tank

#117
14096444
2014-08-05

Apparatus, system and method for measuring the properties of a corrosive liquid