ClassID:

165327

G01F23/28 - CPC Classification

Classification description:

Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material

Sub-classes:
Recent Application in this class:
#1
20250390838
2025-12-25

TANK MONITORING DEVICE AND METHOD OF EVALUATING CHEMICAL COMPATIBILITY OF PRODUCTS CONTAINED IN TANKS

#2
20250362167
2025-11-27

Water Softener Apparatus Including a Salt Level Indicator Device

#3
20250305864
2025-10-02

METHOD FOR INSTALLING A LEVEL MEASURING DEVICE

#4
20250261332
2025-08-14

AUTOMATIC LEVELING IMMERSION COOLING TANK AND METHOD OF OPERATING THE SAME

#5
20250180391
2025-06-05

FILL LEVEL MEASURING SYSTEM AND METHOD

#6
20250180390
2025-06-05

FILLING LEVEL MEASUREMENT ARRANGEMENT

#7
20240151572
2024-05-09

NON-CONTACT LIQUID LEVEL SENSOR

#8
20230358593
2023-11-09

Tank level sensing

#9
20230084245
2023-03-16

Water Softener Apparatus Including a Salt Level Indicator Device

#10
20220253646
2022-08-11

METHOD OF DETERMINING AN INTERFACE HEIGHT OF AN INTERFACE BETWEEN AN UPPER AND A LOWER LAYER COMPRISED IN A THICKENER

#11
20220113237
2022-04-14

Automatic liquid density measurement device

#12
20210148747
2021-05-20

Flow speed detection circuit and associated chip and flow meter

#13
20210126566
2021-04-29

Low-speed high torque motor control and foam system

#14
20210048328
2021-02-18

System for sensing flowable substrate levels in a storage unit

#15
20200319013
2020-10-08

Method for starting up a field device in a simplified manner

#16
20200225073
2020-07-16

FILLING LEVEL MEASUREMENT SYSTEM AND METHOD

#17
20200149947
2020-05-14

SENSOR DEVICE AND SENSOR DEVICE HOLDER

#18
20200116662
2020-04-16

SYSTEM FOR ANALYZING FUEL COMPONENTS USING AN RF SENSOR DEVICE FOR A VEHICLE

#19
20200096466
2020-03-26

RF SENSOR DEVICE FOR A VEHICLE AND METHOD OF ANALYZING FUEL COMPONENT USING THE SAME

#20
20200096405
2020-03-26

Miniature size force sensor with bubble detection capabilities

#21
20200003602
2020-01-02

Fouling mitigation and measuring vessel with container fill sensor

#22
20190383659
2019-12-19

Liquid level sensing apparatus and related methods

#23
20190293757
2019-09-26

Method for FMCW-based distance measurement in waveguides

#24
20190293329
2019-09-26

Liquid level detection device and refrigeration cycle apparatus

#25
20190212182
2019-07-11

System for sensing flowable substrate levels in a storage unit

#26
20190142324
2019-05-16

Device, system and method for urinary bladder fullness indicator

#27
20190004491
2019-01-03

Cooking appliance control of residential heating, ventilation and/or air conditioning (HVAC) system

#28
20180364089
2018-12-20

System for measuring level of a precursor in a container

#29
20180329055
2018-11-15

Method and apparatus for detecting that a device is immersed in a liquid

#30
20180283926
2018-10-04

Filling material volume detection system comprising multiple radar sensors

#31
20180215381
2018-08-02

AUTOMATIC SPEED CONTROL OF A VEHICLE TRAVERSING A WATER OBSTACLE

#32
20180017426
2018-01-18

System for sensing flowable substrate levels in a storage unit

#33
20170370761
2017-12-28

Fill level measurement device

#34
20170370759
2017-12-28

Liquid level sensing apparatus and related methods

#35
20170361345
2017-12-21

Ultrasonic nebulizer

#36
20170356784
2017-12-14

Level gauge

#37
20170205269
2017-07-20

Method for operating a contactless ultrasound or radar fill level measuring device and contactless ultrasound or radar fill level measuring device practicing said method

#38
20170170659
2017-06-15

Level measuring device having a serial arrangement of functional units

#39
20170167911
2017-06-15

Propagation time sensor comprising a long-term energy store

#40
20160363478
2016-12-15

Apparatus for sensing a level of a processing medium in a delivery apparatus

#41
20160349101
2016-12-01

Powder detection device, image forming apparatus, powder detection method, and non-transitory recording medium

#42
20160161320
2016-06-09

Limit Level Measuring Device

#43
20160146935
2016-05-26

Method and apparatus for detecting that a device is immersed in a liquid

#44
20160131483
2016-05-12

Mobile asset data recorder and transmitter

#45
20160033316
2016-02-04

System for sensing flowable substrate levels in a storage unit

#46
20160003664
2016-01-07

Floatless pulsed wave guide liquid level measurement

#47
20150192449
2015-07-09

Method for determining and/or monitoring fill level of a medium in a container

#48
20150149118
2015-05-28

Mobile asset data recorder and transmitter

#49
20150101406
2015-04-16

REAL-TIME LEVEL MONITORING FOR FIXED BED CATALYST LOADING USING MULTIPLE LEVEL SENSORS

#50
20150068301
2015-03-12

Dual measurement liquid level transducer

#51
20150033846
2015-02-05

Vehicle orientation device and method

#52
20150007654
2015-01-08

Determining a distance and a flow speed of a medium

#53
20150007653
2015-01-08

Determining a level and flow speed of a medium

#54
20140347178
2014-11-27

Wading vehicle water level display

#55
20140332032
2014-11-13

Fill level gauge with a rinsing device

#56
20140324288
2014-10-30

Wading depth estimation for a vehicle

#57
20140292892
2014-10-02

Liquid storage device

#58
20140288793
2014-09-25

Wading vehicle advisory speed display

#59
20140230542
2014-08-21

Device and method for measuring the level of a liquid within a container

#60
20140156126
2014-06-05

Vehicle control system

#61
20140096602
2014-04-10

Oscillating device for a fill-level measurement system and a method for assembling the same

#62
20140085066
2014-03-27

Wading vehicle water level display

#63
20140083184
2014-03-27

Tracking taking account of a linear relationship

#64
20140076047
2014-03-20

TANK COMMIDITY VOLUME MEASUREMENT APPARATUS AND METHOD

#65
20140026651
2014-01-30

Linear relationship between tracks

#66
20130336090
2013-12-19

Ultrasonic wading detection for a vehicle

#67
20130307679
2013-11-21

Wading vehicle depth measurement apparatus

#68
20130274954
2013-10-17

Mobile asset data recorder and transmitter

#69
20130110420
2013-05-02

Device and method for determining media and container properties

#70
20130054159
2013-02-28

WIRELESS TANK LEVEL MONITORING SYSTEM

#71
20130035880
2013-02-07

Tracking with consideration of mobility

#72
20120253706
2012-10-04

System and method for monitoring liquid level in containers/reservoirs

#73
20120221261
2012-08-30

Evaluation of an echo shape of filling level sensors

#74
20110193274
2011-08-11

Resident measurement system for charge level of blast furnace

#75
20110184668
2011-07-28

Apparatus and method for level measuring in a tank with flexible walls

#76
20110138787
2011-06-16

LIQUID REDUCTANT DOSING RESERVOIR AND METHOD FOR ITS MANUFACTURE

#77
20110094299
2011-04-28

Method for evaluating the measurement signals of a propagation-time based measurement device

#78
20090299662
2009-12-03

Evaluation of an echo shape of filling level sensors

#79
20090295367
2009-12-03

Method to communicate with multivalved sensor on loop power

#80
20090224928
2009-09-10

Level indicator and process for assembling a level indicator

#81
20090090179
2009-04-09

Sensor with polymer substrate for use in corrosive liquids

#82
20080302439
2008-12-11

Filling level measurement device and filling level measurement and monitoring method

#83
20070165488
2007-07-19

Method and apparatus for spread spectrum distance and velocity profile measurement

#84
20070144253
2007-06-28

Liquid surface detection device

#85
20070068248
2007-03-29

Non-invasive method for detecting and measuring filling material in vessels

#86
20060265152
2006-11-23

Level measurement device operating under stored program control and including a program update module mechanism

#87
20050178198
2005-08-18

Non-invasive method for detecting and measuring filling material in vessels

#88
16886055
2023-06-06

Detection of overfilled containers in sortation systems

#89
15612424
2018-09-04

System and method for field monitoring of stationary assets

#90
13866672
2017-07-18

System and method for field monitoring of stationary assets