ClassID:

168599

G01N29/028 - CPC Classification

Classification description:

Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object; Analysing fluids by measuring mechanical or acoustic impedance

Recent Application in this class:
#1
20250076256
2025-03-06

Fluid Sensor

#2
20240192178
2024-06-13

DETERMINING ACOUSTIC CHARACTERISTICS OF SAMPLE CONTAINERS AND FLUID SAMPLES THEREIN USING REFLECTED ACOUSTIC SIGNALS

#3
20240142411
2024-05-02

Fluid density from tunable acoustic impedance matching

#4
20240003850
2024-01-04

REAL-TIME CONDITION ASSESSMENT OF LIVING PLANTS BY DISTRIBUTED SENSING OF PLANT-EMITTED VOLATILES

#5
20230358725
2023-11-09

CHARACTERIZATION OF BLOOD HEMOSTASIS AND OXYGEN TRANSPORT PARAMETERS

#6
20230292075
2023-09-14

METHOD FOR DETERMINING A SOUND FIELD

#7
20230285975
2023-09-14

Systems and methods for tagging and acoustically characterizing containers

#8
20220323995
2022-10-13

DEVICES FOR ANALYSIS OF A FLUID

#9
20220178879
2022-06-09

Multi-bounce acoustic signal material detection

#10
20220062907
2022-03-03

Systems and methods for tagging and acoustically characterizing containers

#11
20210270775
2021-09-02

Embedded electrode tuning fork

#12
20210148889
2021-05-20

Characterization of blood hemostasis and oxygen transport parameters

#13
20210093232
2021-04-01

Liquid information sensor and method of driving the same

#14
20200326312
2020-10-15

Multimodal characterization of a fluid using a single droplet

#15
20200209193
2020-07-02

Systems and methods for obtaining downhole fluid properties

#16
20200208514
2020-07-02

SYSTEMS AND METHODS FOR OBTAINING DOWNHOLE FLUID PROPERTIES

#17
20200188902
2020-06-18

Systems and methods for tagging and acoustically characterizing containers

#18
20190153252
2019-05-23

INK COMPOSITIONS

#19
20190072524
2019-03-07

SPEED OF SOUND AND/OR DENSITY MEASUREMENT USING ACOUSTIC IMPEDANCE

#20
20190056357
2019-02-21

FLUID AERATION SENSOR AND METHOD OF OPERATING THE SAME

#21
20190025112
2019-01-24

Measurement device and method for determining a fluid flow in a measurement tube

#22
20180172640
2018-06-21

TSM biosensor to ex-vivo characterize the viscoelastic properties of skin

#23
20180163666
2018-06-14

Gas analysis device, gas sampling device and gas analysis method

#24
20180058918
2018-03-01

Liquid detection for an acoustic module

#25
20170315098
2017-11-02

Ultrasonic contaminant detection system

#26
20170168018
2017-06-15

Temperature compensation and operational configuration for bulk acoustic wave resonator devices

#27
20170102362
2017-04-13

Systems and methods for tagging and acoustically characterizing containers

#28
20160282312
2016-09-29

Method for Modifying the Surfaces of Resonant Sensors

#29
20160139080
2016-05-19

Characterization of blood hemostasis and oxygen transport parameters

#30
20150354343
2015-12-10

Measuring settling in fluid mixtures

#31
20150204819
2015-07-23

Reflection-only sensor for fluid acoustic impedance, sound speed, and density

#32
20150198562
2015-07-16

Piezoelectric unit, piezoelectric device, piezoelectric determination apparatus, and state determination method

#33
20150082862
2015-03-26

Speed of sound and/or density measurement using acoustic impedance

#34
20150011428
2015-01-08

Array of sensors with surface modifications

#35
20140247694
2014-09-04

Acoustic standoff and mud velocity using a stepped transmitter

#36
20140041442
2014-02-13

Arrangement And Method For Determining A Concentration Of A Constituent Of A Fluid Mixture

#37
20130260469
2013-10-03

Differential ultrasonic waveguide cure monitoring probe

#38
20130145843
2013-06-13

Measurement of slurry density

#39
20120247211
2012-10-04

Ultrasonic measuring method and ultrasonic measuring system

#40
20120232803
2012-09-13

Characterization of blood hemostasis and oxygen transport parameters

#41
20120170406
2012-07-05

Early kick detection in an oil and gas well

#42
20110304346
2011-12-15

Method for treating and sealing piezoelectric tuning forks

#43
20100001740
2010-01-07

Method and device for measuring impedance

#44
20090314088
2009-12-24

Differential ultrasonic waveguide cure monitoring probe

#45
20090173150
2009-07-09

Early kick detection in an oil and gas well

#46
20090120169
2009-05-14

FLUID SENSOR AND METHODS OF MAKING COMPONENTS THEREOF

#47
20090093977
2009-04-09

Method and device for acoustic measurement of the specific density of a gaseous or liquid medium

#48
20090060796
2009-03-05

Acoustic liquid dispensing apparatus

#49
20080190215
2008-08-14

Device for measuring the mechanical load exerted by a fluid using an electromechanical transducer

#50
20080071487
2008-03-20

Impedance analysis technique for frequency domain characterization of magnetoelastic sensor element by measuring steady-state vibration of element while undergoing constant sine-wave excitation

#51
20080047337
2008-02-28

Early Kick Detection in an Oil and Gas Well

#52
20060196271
2006-09-07

Acoustic array analytical system

#53
20060156797
2006-07-20

Acoustic assessment of fluids in a plurality of reservoirs

#54
20060144871
2006-07-06

Acoustic liquid dispensing apparatus

#55
20050262926
2005-12-01

Method and apparatus for determination of medical diagnostics utilizing biological fluids

#56
20050241373
2005-11-03

Method and apparatus for determination of food quality and authenticity

#57
18125532
2023-10-17

System and method for measuring sludge moisture content by ultrasound

#58
13623069
2016-02-16

Acoustic waveguide for the detection and characterization of obstructions in liquid-filled tubes