ClassID:

165378

G01F23/64 - 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 floats of the free float type without mechanical transmission elements

Sub-classes:
Recent Application in this class:
#1
20240159582
2024-05-16

OPTICAL TIME-OF-FLIGHT LEVEL SENSING FOR CAR WASH CHEMICALS

#2
20240068960
2024-02-29

MEASUREMENT SYSTEM AND FLOAT

#3
20230408317
2023-12-21

METHOD AND APPARATUS FOR CONTINUOUSLY SUPPLYING A METERING DEVICE

#4
20230160871
2023-05-25

Float angle probes for monitoring wellbore fluid composition and methods of using the same

#5
20220252446
2022-08-11

Isolated industrial float assembly

#6
20220163367
2022-05-26

Device for determining a filling level of a liquid in a container

#7
20210131854
2021-05-06

Method and system for detecting a fault condition in the measurement of the level of a medium in a tank

#8
20210053547
2021-02-25

Method for the functional testing of a fluid level warning indicator

#9
20210003443
2021-01-07

Visual liquid level indicator

#10
20200209039
2020-07-02

Measuring cup

#11
20200209038
2020-07-02

Measuring cup

#12
20200209037
2020-07-02

Measuring cup

#13
20200095092
2020-03-26

WATER DETECTION IN ELEVATOR PIT USING PIT SENSORS

#14
20200055491
2020-02-20

Remote filling system

#15
20190195629
2019-06-27

Method for detecting the tilt of a floating roof floating on a medium stored in a tank

#16
20190189459
2019-06-20

PROCESSING DEVICE FOR THE THIRD GENERATION SEMICONDUCTOR MATERIALS

#17
20190145811
2019-05-16

Measuring cup

#18
20190137320
2019-05-09

Visual liquid level indicator

#19
20190137314
2019-05-09

Measuring cup

#20
20190137313
2019-05-09

Measuring cup

#21
20190107423
2019-04-11

Measuring cup

#22
20190094059
2019-03-28

Measuring cup

#23
20190094058
2019-03-28

Measuring cup

#24
20190063986
2019-02-28

FLOAT INDICATOR DEVICE AND METHOD

#25
20190033118
2019-01-31

Multi-channel fluid level sensor

#26
20180356512
2018-12-13

RFID triangulated tank gauging and inventory management system

#27
20180293868
2018-10-11

Alert system for detecting rising water levels

#28
20180195014
2018-07-12

Methods of applying mono-, di- and tri-headed SAMs to equipment and products and apparatus comprising SAM surfaces

#29
20180142170
2018-05-24

Methods of applying multi-bonded SAMPs to equipment and products and apparatus comprising SAM surfaces

#30
20180128669
2018-05-10

Indication type level indicator including total reflection prism

#31
20180089981
2018-03-29

Alert system for detecting rising water levels

#32
20170363457
2017-12-21

Measuring cup

#33
20170292871
2017-10-12

System and method for measuring fluids

#34
20170292839
2017-10-12

Composite hydrological monitoring system for detecting scour depth, water level and flow velocity

#35
20170292082
2017-10-12

Bonded layer treatment method for a device utilized in a crude oil service operation, and method of installing said device

#36
20170292081
2017-10-12

SAMP coated cooperating surfaces, method of treating cooperating surfaces, and method of installing cooperating surfaces into crude oil service operation

#37
20170165440
2017-06-15

Integrated, extendable anesthesia system

#38
20170138780
2017-05-18

Visual liquid level indicator

#39
20170129700
2017-05-11

OVERFLOW BLOCKING APPARATUS FOR TANK LORRY

#40
20170115156
2017-04-27

Syringe with indicator float

#41
20170115155
2017-04-27

Self-contained, buoyant, and water-tight wireless flood detector

#42
20170075363
2017-03-16

Liquid level sensing system

#43
20170029728
2017-02-02

SAMP treatment method for a device utilized in a crude oil service operation, and method of installing said device

#44
20170029725
2017-02-02

MONOLAYER COATED COOPERATING SURFACES, METHOD OF TREATING COOPERATING SURFACES, AND METHOD OF INSTALLING COOPERATING SURFACES INTO CRUDE OIL SERVICE OPERATION

#45
20170006789
2017-01-12

Tree Stand Water Level Gauge

#46
20160348014
2016-12-01

SAMP coated level sensor, method of treating a level sensor, and method of installing level sensor into crude oil service operation

#47
20160223383
2016-08-04

Water tank notifier

#48
20160215910
2016-07-28

Universal mounting head construction for liquid level transducers and the like

#49
20160097672
2016-04-07

Systems and method for lagrangian monitoring of flooding conditions

#50
20160069726
2016-03-10

Cap with visible float gauge

#51
20160019768
2016-01-21

Alert system for detecting rising water levels

#52
20150107507
2015-04-23

Light enhanced flow tube

#53
20140366628
2014-12-18

VISUAL FLUID LEVEL INDICATOR

#54
20140361887
2014-12-11

Self-contained, buoyant, and water-tight wireless flood detector

#55
20140292523
2014-10-02

Alert system for detecting rising water levels

#56
20140237800
2014-08-28

Method and kit for treatment of components utilized in a crude oil service operation

#57
20140150549
2014-06-05

Fill level measurement system and method for determining a fill level

#58
20140077958
2014-03-20

WATER LEVEL DETECTION DEVICE

#59
20140049396
2014-02-20

Alert system for detecting rising water levels

#60
20130327625
2013-12-12

Magnetic float switch

#61
20130320036
2013-12-05

Fluid product distributor

#62
20130105002
2013-05-02

Circulating liquid bath with dual reservoir level switch

#63
20110115478
2011-05-19

Digital quantity gauge for an agricultural aircraft payload hopper using a magnetostrictive linear displacement transducer (MLDT)

#64
20110088694
2011-04-21

Integrated, extendable anesthesia system

#65
20110088485
2011-04-21

Light enhanced flow tube

#66
20110083504
2011-04-14

Device for measuring the fill level in a liquid container

#67
20100064782
2010-03-18

Percolation testing apparatus and methods

#68
20100031744
2010-02-11

Thermal Liquid Container Having Liquid Level Indicator

#69
20100000317
2010-01-07

DEVICE FOR INDICATING A LEVEL OF FLUID COMPRISING A MOVABLE ARRANGED LIGHTING MEMBER WHICH IS PRESENT INSIDE A CONTAINER OF THE DEVICE

#70
20090158840
2009-06-25

Percolation testing apparatus and methods

#71
20080083761
2008-04-10

Reservoir For Running Material

#72
20070283756
2007-12-13

Parallelogram actuated liquid level sensor

#73
20070251688
2007-11-01

Non-intrusive pressure gage

#74
20070234798
2007-10-11

Collapsible liquid level measurement device with attachment

#75
20070220700
2007-09-27

Liquid level control device for a container

#76
20070157725
2007-07-12

Mechanically self actuated liquid level sensor

#77
20070113645
2007-05-24

Hydrometer/fluid level sensor

#78
20070028831
2007-02-08

Pop-up sewer backup indicator

#79
20070028684
2007-02-08

Device for measuring a filling level

#80
20070006608
2007-01-11

Oil checking device for compressor of air conditioning system

#81
20060248952
2006-11-09

A METHOD AND APPARATUS FOR FLUID DENSITY SENSING

#82
20050150293
2005-07-14

Automatically actuated liquid level sensor

#83
20050109104
2005-05-26

Collapsible liquid level measurement device with attachments

#84
20050024217
2005-02-03

High/low level alarm controller