ClassID:

249020

Y10T137/7287 - CPC Classification

Classification description:

Fluid handling Liquid level responsive or maintaining systems

Sub-classes:
Recent Application in this class:
#1
20250195746
2025-06-19

SYSTEM, METHOD, AND APPARATUS FOR MONITORING, REGULATING, OR CONTROLLING FLUID FLOW

#2
20230398293
2023-12-14

FLOW METER HAVING A VALVE

#3
20230181818
2023-06-15

System, method, and apparatus for monitoring, regulating, or controlling fluid flow

#4
20220290775
2022-09-15

Overfill prevention valve

#5
20220290771
2022-09-15

Flow meter and related method

#6
20210125719
2021-04-29

System, method, and apparatus for monitoring, regulating, or controlling fluid flow

#7
20210062929
2021-03-04

Flow meter and related method

#8
20200264640
2020-08-20

Float valve systems and methods for controlling liquid level in vessels

#9
20190285194
2019-09-19

Overfill prevention valve

#10
20180313742
2018-11-01

Flow rate balanced, dynamically adjustable sheath delivery system for flow cytometry

#11
20180066639
2018-03-08

LIQUID COLOR CLOSED LOOP REFILL METHOD AND APPARATUS

#12
20180059692
2018-03-01

Vapor control for storage tank with pump off unit

#13
20170235318
2017-08-17

Method of monitoring a fluid level within a fluid volume

#14
20170160186
2017-06-08

Flow rate balanced, dynamically adjustable sheath delivery system for flow cytometry

#15
20160362234
2016-12-15

System, method, and apparatus for monitoring, regulating, or controlling fluid flow

#16
20160351924
2016-12-01

Fuel cell system and fuel consumption system

#17
20150355644
2015-12-10

Shallow fluid extractor

#18
20150297056
2015-10-22

Alarm unit for dishwashing systems

#19
20150261227
2015-09-17

Tank monitor control device

#20
20150233369
2015-08-20

Method and apparatus for closed loop automatic refill of liquid color

#21
20150192933
2015-07-09

Automatic smart watering apparatus

#22
20150185737
2015-07-02

Cold bathing water to toilet diverting apparatus

#23
20150159357
2015-06-11

Draining and flushing mechanism

#24
20150153745
2015-06-04

Liquid transport apparatus

#25
20150097003
2015-04-09

Beverages dispenser and a method for dispensing beverages

#26
20150090349
2015-04-02

Condensate overflow detection device

#27
20150083238
2015-03-26

Automatic protection device for a toilet inlet valve or drain valve

#28
20150034175
2015-02-05

Closed tank system

#29
20150027564
2015-01-29

Overfill prevention system

#30
20140366627
2014-12-18

Method and apparatus for detection of phase separation in storage tanks

#31
20140360593
2014-12-11

Well containment device

#32
20140339174
2014-11-20

Method of monitoring a low water volume within a water circulation system

#33
20140326333
2014-11-06

Liquid replenishment system for a printing apparatus for depositing a liquid composition on a backplane including a dispensing vessel having a self-supporting secondary container

#34
20140318639
2014-10-30

System, method, and apparatus for monitoring, regulating, or controlling fluid flow

#35
20140209176
2014-07-31

Use of pressure reduction devices for improving downstream oil-and-water separation

#36
20140202559
2014-07-24

Fill level monitoring

#37
20140116537
2014-05-01

Fuel cutoff valve

#38
20140116524
2014-05-01

Fluid supply system and method of controlling fluid supply system

#39
20140076421
2014-03-20

Overfill prevention valve

#40
20140069525
2014-03-13

Device for reliable filling level control in a quenching chamber that is arranged downstream of entrained-flow gasification and has inert-gas flushing of the pressure-recording measuring location

#41
20140034140
2014-02-06

Liquid storage apparatus and control method thereof

#42
20130333765
2013-12-19

Flow rate balanced, dynamically adjustable sheath delivery system for flow cytometry

#43
20130333760
2013-12-19

Waste water vessels with multiple valved chambers, and associated systems and methods

#44
20130319539
2013-12-05

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

#45
20130305986
2013-11-21

Liquid Crystal Suction Device and Liquid Crystal Coating Equipment

#46
20130256062
2013-10-03

LUBRICANT RESERVOIR REFILLING SYSTEM WITH SHUT-OFF

#47
20130209219
2013-08-15

Full-flow wastewater sewer systems

#48
20130199630
2013-08-08

Gas turbine engine fuel return valve and system

#49
20130139894
2013-06-06

Method and device for supplying liquids to analysis units and liquid handling systems

#50
20130126015
2013-05-23

Fluid storage management system and method for monitoring fluid capacities and for controlling the transfer of fluid capacities within a fluid network

#51
20130103463
2013-04-25

Beverage container with electronic image display

#52
20130081701
2013-04-04

Maintaining a water level in a humidification component

#53
20130075494
2013-03-28

VAFN SYSTEMS WITH NOZZLE LOCKING ASSEMBLIES

#54
20130068307
2013-03-21

SYSTEM AND METHOD FOR MONITORING FUEL AT FORWARDING SKID FOR GAS TURBINE ENGINE

#55
20130048105
2013-02-28

Auto flow steam trap

#56
20130048104
2013-02-28

WATER SAVING TANK

#57
20130032217
2013-02-07

METHODS AND APPARATUS FOR LEVEL LOOP CONTROL

#58
20130025695
2013-01-31

TOILET WATER SUPPLY SYSTEM AND METHOD THEREFOR

#59
20130015199
2013-01-17

Beverages dispenser and a method for dispensing beverages

#60
20130000741
2013-01-03

FLUID LEVEL SENSOR

#61
20120227734
2012-09-13

Method and system for controlling liquid levels

#62
20120216881
2012-08-30

System and Method for Harvested Water Irrigation

#63
20120211094
2012-08-23

Toilet fill valve water leak and overflow notification device

#64
20120138150
2012-06-07

FLUID SUPPLY SYSTEM AND FLUID SUPPLY METHOD

#65
20120118393
2012-05-17

Method for extending the usage life of oil in a deep fat fryer

#66
20120085417
2012-04-12

Method for operating a sanitary tank for a rail vehicle

#67
20120073518
2012-03-29

WATER PURIFIER

#68
20120043163
2012-02-23

Lubrication system for a breaking tool

#69
20120021665
2012-01-26

Water dispensing device

#70
20120018008
2012-01-26

Apparatus for supplying source

#71
20110308624
2011-12-22

Apparatus and methods for conserving energy in fueling applications

#72
20110295432
2011-12-01

Method and system for safe drum water level determination in a combined cycle operation

#73
20110290343
2011-12-01

Opening/closing device

#74
20110272043
2011-11-10

CONDENSATE REMOVAL SYSTEM AND METHOD

#75
20110265889
2011-11-03

Automatic Urine Collecting Device

#76
20110146810
2011-06-23

Sewage flushing

#77
20110132465
2011-06-09

Method of replacing liquid of circulation line in substrate liquid processing apparatus of single-wafer type

#78
20110120561
2011-05-26

Combined water storage and detention system and method of precipitation harvesting and management

#79
20110090088
2011-04-21

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

#80
20110089120
2011-04-21

Processing captured vehicle fluid

#81
20110088315
2011-04-21

System and method for harvested water irrigation

#82
20110071688
2011-03-24

In situ emission measurement for process control equipment

#83
20110061748
2011-03-17

Water appliance having a flow control unit and a filter assembly

#84
20100326538
2010-12-30

Water recirculation system

#85
20100314565
2010-12-16

Automatic fluid flow control device

#86
20100307596
2010-12-09

LIQUID APPARATUS

#87
20100300548
2010-12-02

Automated system for monitoring and maintenance of fluid level in swimming pools and other contained bodies of water

#88
20100275779
2010-11-04

Apparatus and method for a split type water extractor and water dispenser

#89
20100252120
2010-10-07

Method and apparatus for transporting a particulate material

#90
20100206052
2010-08-19

Control method and device of filled water volume in fluid space

#91
20100185334
2010-07-22

Truck compartment verification system with alternate truck ID

#92
20100162584
2010-07-01

DEHUMIDIFYING APPARATUS FOR DRYER

#93
20100147054
2010-06-17

Loss detection system for open channel networks

#94
20100139392
2010-06-10

System and method for controlling liquid level in a vessel

#95
20100081020
2010-04-01

Fuel cell system and apparatus for supplying mixed fuel and water to the same

#96
20100073438
2010-03-25

Liquid container, method of filling liquid into liquid container, and remanufacturing method of liquid container

#97
20100037599
2010-02-18

Exhaust purification device of internal combustion engine

#98
20100031641
2010-02-11

Exhaust purification device of an internal combustion engine

#99
20100021148
2010-01-28

Liquid warming bag and bag warmer

#100
20100012568
2010-01-21

Fuel cartridge

#101
20090325432
2009-12-31

Fuel supply system for boat and outboard motor

#102
20090314351
2009-12-24

Persuasive environmental recovery system

#103
20090277512
2009-11-12

System for controlling fluid level in a sump

#104
20090277511
2009-11-12

Dirt separator device with level control

#105
20090250121
2009-10-08

Aquarium overflow system

#106
20090229683
2009-09-17

NON-CONTACT TYPE WATER LEVEL CONTROL APPARATUS

#107
20090211270
2009-08-27

Ice making assembly for refrigerator and method for controlling the same

#108
20090199909
2009-08-13

Device for supplying fuel to an energy producing installation of a ship

#109
20090151795
2009-06-18

ICE TRAY WITH WATER LEVEL DETECTING DEVICE

#110
20090090416
2009-04-09

Fluid level regulator

#111
20090071547
2009-03-19

STANDPIPE HYDRAULIC FLOAT VALVE

#112
20090025130
2009-01-29

Flush valve mechanism

#113
20090025129
2009-01-29

FLUSH VALVE MECHANISMS

#114
20090024253
2009-01-22

Process controller having improved surge capacity control and related methodology

#115
20080271790
2008-11-06

Method of operating a cooling fluid system

#116
20080229934
2008-09-25

Automatic top-off for deep fat fryers

#117
20080223453
2008-09-18

Ethanol compensated fuel density for fuel consumed calculation

#118
20080223452
2008-09-18

LEVEL DETECTION MODULE WITH LIQUID SUPPLY SYSTEM

#119
20080216900
2008-09-11

Automatic Fluid Flow Control Device

#120
20080209628
2008-09-04

Pumped waste

#121
20080202600
2008-08-28

Tank Refuelling System

#122
20080202599
2008-08-28

Fuel level measurement and run time interpolation

#123
20080163930
2008-07-10

Electric home appliance having drain function and method of controlling the same

#124
20080135264
2008-06-12

Device for limiting the ultimate consequences of a failure to bring under control a mass fire in a storage bin for hazardous materials

#125
20080121283
2008-05-29

Device and method for regulating a level of fluid in a vessel

#126
20080105330
2008-05-08

STORAGE DEVICE CAPABLE OF DETECTING LIQUID LEVEL

#127
20080099079
2008-05-01

Fuel balancing system

#128
20080060705
2008-03-13

FILL VALVE

#129
20080053532
2008-03-06

Control system for a plurality of toilets and related method

#130
20080011359
2008-01-17

Integrated jet fluid level shutoff sensor and fuel tank vent for vehicles

#131
20070261487
2007-11-15

Level sensor

#132
20070256737
2007-11-08

Gaseous fuel management system for automotive vehicle

#133
20070251581
2007-11-01

Loss detection system for open channel networks

#134
20070186979
2007-08-16

Device for maintaining the water level in pools, ponds and fountains

#135
20070175513
2007-08-02

Method and apparatus for controlling a fluid system

#136
20070169821
2007-07-26

Level control for liquid throughfeed

#137
20070169564
2007-07-26

In situ emission measurement for process control equipment

#138
20070125170
2007-06-07

Fluid level regulator

#139
20070084511
2007-04-19

Fuel balancing system

#140
20070074782
2007-04-05

Tank car loading control and monitoring system and method

#141
20060090552
2006-05-04

Fuel level measurement and run time interpolation

#142
20060032533
2006-02-16

System and method for automating or metering fluid recovered at a well

#143
20050229974
2005-10-20

Non-invasive gauge glass liquid level sensor apparatus

#144
20050199285
2005-09-15

Liquid shut-off valve

#145
20050166966
2005-08-04

Integrated jet fluid level shutoff sensor and fuel tank vent for vehicles

#146
20050118031
2005-06-02

Pressure regulating valve

#147
20050024217
2005-02-03

High/low level alarm controller

#148
15677658
2019-01-29

Basement sewer drain recovery and discharge device

#149
14684087
2017-09-26

Basement sewer drain recovery and discharge system