Patents-Review.com
ClassID:

165381 ⎘

G01F23/68 - 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 using electrically actuated indicating means

Sub-classes:
Recent Application in this class:
#1
20250341414
2025-11-06

MAGNETOSTRICTIVE FUEL TANK VOLUME GAUGING SYSTEM FOR PORTABLE TANKS

 #2
20240045397
2024-02-08

Level sensor for continuous level detection and integration into process control system

 #3
20230358592
2023-11-09

A DEVICE FOR INDICATING A LIQUID LEVEL IN A LIQUID CONTAINER

 #4
20220299972
2022-09-22

Level sensor for continuous level detection and integration into process control system

 #5
20220163369
2022-05-26

Tank maintenance access chamber

 #6
20220163367
2022-05-26

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

 #7
20220120601
2022-04-21

Digital liquid level sensor utilizing cross-point magnetoresistive sensor array

 #8
20210255026
2021-08-19

Magnetostrictive transmitter

 #9
20210199001
2021-07-01

Liquid level sensor system

 #10
20210080310
2021-03-18

FLOATING ROOF MONITORING

 #11
20200400483
2020-12-24

Systems, methods and apparatus for monitoring conditions of physical or virtual objects

 #12
20200232834
2020-07-23

Inductive sensor assembly for fluid measurements

 #13
20190301920
2019-10-03

Contamination resistant liquid level sensor

 #14
20190056256
2019-02-21

Tank maintenance access chamber

 #15
20190041074
2019-02-07

Humidifier measurement and control

 #16
20190033118
2019-01-31

Multi-channel fluid level sensor

 #17
20180356512
2018-12-13

RFID triangulated tank gauging and inventory management system

 #18
20180326661
2018-11-15

Non-contact level sensing for low dielectric constant inks

 #19
20180266874
2018-09-20

Monitoring system for floating roof storage tank

 #20
20180153129
2018-06-07

Milk meter

 #21
20180150790
2018-05-31

PACKAGING ENVIRONMENT

 #22
20180143111
2018-05-24

Assessment and control of reagents in automated slide preparation

 #23
20180136031
2018-05-17

Multi-probe sender and tank having the same

 #24
20170292871
2017-10-12

System and method for measuring fluids

 #25
20170284852
2017-10-05

Device for determining liquid level in a container

 #26
20170119300
2017-05-04

Sensor Management And Record Tracking System

 #27
20170075363
2017-03-16

Liquid level sensing system

 #28
20160348502
2016-12-01

Monitoring probe for detecting the position of a fresh water-salt water interface in an observation well

 #29
20160195420
2016-07-07

Device and method for measuring the volume of a cavity

 #30
20160084696
2016-03-24

Smart electronic float, system and method for integrating mobile personal fishing information, and computer program product

 #31
20150300869
2015-10-22

APPARATUSES AND METHODS FOR FUEL LEVEL SENSING

 #32
20150276457
2015-10-01

System and methods for fuel level inference

 #33
20150233752
2015-08-20

System for Fossil Fuel Byproduct Management

 #34
20150153215
2015-06-04

Level sensing device

 #35
20150068301
2015-03-12

Dual measurement liquid level transducer

 #36
20140366627
2014-12-18

Method and apparatus for detection of phase separation in storage tanks

 #37
20140283931
2014-09-25

Reservoir assembly for storing hydrogen peroxide for use with a hydrogen peroxide vaporizer in association with a filler

 #38
20140260602
2014-09-18

WATER-LEVEL DETECTING SYSTEM AND WATER-LEVEL DETECTING METHOD

 #39
20140207395
2014-07-24

Fuel storage tank water detector with triggered density

 #40
20140116131
2014-05-01

CONTACTLESS LIQUID LEVEL SENSOR

 #41
20130319539
2013-12-05

Protective device and method of use for a lift station water level sensor

 #42
20130289878
2013-10-31

System for monitoring coastal underground water

 #43
20130139586
2013-06-06

Battery-less active float for inductive sensor for monitoring fluid level and displacement

 #44
20130132004
2013-05-23

Wireless fuel monitoring system

 #45
20130000401
2013-01-03

Float for displaying a fill level

 #46
20120199008
2012-08-09

Drip filter coffee maker

 #47
20120152016
2012-06-21

Magnetostrictive probe having phase separation float assembly

 #48
20120053863
2012-03-01

System for Fossil Fuel Byproduct Management.

 #49
20110277546
2011-11-17

TANK FULLNESS MONITORING SYSTEM

 #50
20110220227
2011-09-15

Auxiliary tank and mains water supply system

 #51
20110192433
2011-08-11

Chemical delivery data acquisition system

 #52
20110187529
2011-08-04

METHOD FOR MONITORING THE QUALITY OF A FUEL COMPRISING ALCOHOL IN A STORAGE TANK

 #53
20110115478
2011-05-19

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

 #54
20110090088
2011-04-21

Method and apparatus for detection of phase separation in storage tanks using a float sensor

 #55
20110074551
2011-03-31

Radio-type transmitting device, container, transmitting/receiving system and transmitting/receiving method

 #56
20110012592
2011-01-20

Magnetic flux oil level sensor for use in aircraft lubrication systems

 #57
20100288777
2010-11-18

Filter Coffee Maker

 #58
20100269586
2010-10-28

Sensor for inductive measure of fluid level

 #59
20100170338
2010-07-08

Magnetostrictive liquid density detector

 #60
20100163567
2010-07-01

WATER INTAKE AMOUNT MANAGEMENT DEVICE

 #61
20090272188
2009-11-05

Binary Liquid Analyzer For Storage Tank

 #62
20090224930
2009-09-10

Liquid level detection system with floating RFID tag

 #63
20080210003
2008-09-04

Level meter

 #64
20080098810
2008-05-01

Level gage

 #65
20080098809
2008-05-01

Electronic level gage assembly

 #66
20080061772
2008-03-13

Magnetostrictive transmitter with improved piezoelectric sensor

 #67
20070295104
2007-12-27

Fluid sensor with mechanical positional feedback

 #68
20070282540
2007-12-06

Method using magnetostrictive probe buoyancy for detecting fuel density

 #69
20070273390
2007-11-29

Characterizing Substances with Multistatic Probes

 #70
20070255458
2007-11-01

System and method for managing stratified liquids in storage tanks

 #71
20070251688
2007-11-01

Non-intrusive pressure gage

 #72
20070186648
2007-08-16

Linear position indicator system and method

 #73
20070101811
2007-05-10

Distributed impedance sensor

 #74
20070074782
2007-04-05

Tank car loading control and monitoring system and method

 #75
20070028684
2007-02-08

Device for measuring a filling level

 #76
20070018833
2007-01-25

Radio-type transmitting device, container, transmitting/receiving system and transmitting/receiving method

 #77
20060266113
2006-11-30

Fuel density measuring device, system, and method using magnetostrictive probe bouyancy

 #78
20060145880
2006-07-06

Packaging incorporating volume-measurement capability using RFID tags

 #79
20060117847
2006-06-08

Liquid quantity sensing device

 #80
20060016256
2006-01-26

Filling level sensor for a tank

 #81
20050237169
2005-10-27

Device for reading out from sensors in the engine compartment of a motor-vehicle

 #82
20050024217
2005-02-03

High/low level alarm controller

 #83
20050005696
2005-01-13

Fuel level sensor

 #84
16453886
2020-09-01

System and method for detecting underground anomalies