Patents-Review.com
ClassID:

188417 ⎘

G05D9/02 - CPC Classification

Classification description:

Level control, e.g. controlling quantity of material stored in vessel without auxiliary power

Recent Application in this class:
#1
20260111046
2026-04-23

DEVICE COMPRISING A FLOATING PLATE AND EXTENDABLE PIPE FOR CONTROLLED DISCHARGE OF LIQUID

 #2
20260086583
2026-03-26

FLUID FLOW CONTROL BASED ON A LIQUID LEVEL IN A CONTAINER

 #3
20250224745
2025-07-10

Technique for Small Volume Metering

 #4
20250004487
2025-01-02

LEVEL CONTROLLER

 #5
20240125102
2024-04-18

AUTOMATIC DRAIN VALVE

 #6
20240061451
2024-02-22

TopSink: liquid storage device with automatic discharge in high volume batches

 #7
20230349141
2023-11-02

Toilet seat assembly

 #8
20230198234
2023-06-22

Fluid injection system with smart injection and receiver tanks

 #9
20220403633
2022-12-22

Accumulator assembly

 #10
20220377994
2022-12-01

EXTENDED TERM HYDROPONIC CULTIVATION APPARATUS AND METHOD

 #11
20220355662
2022-11-10

Fuel Tank Unit

 #12
20220225595
2022-07-21

Poultry drinker system

 #13
20220212816
2022-07-07

Device and method for filling an oil reservoir of an aircraft engine

 #14
20220195657
2022-06-23

Handheld appliance

 #15
20220075397
2022-03-10

Level control system for a liquid filled basin

 #16
20220050481
2022-02-17

Level gauge that measures inclination angle having a rolling member that verifies levelness

 #17
20220026934
2022-01-27

FLUID FLOW CONTROL BASED ON A LIQUID LEVEL IN A CONTAINER

 #18
20210300175
2021-09-30

Fuel supply device

 #19
20210231253
2021-07-29

Automatic draining device for condensed water or leaking water in aeration pipeline

 #20
20210017754
2021-01-21

Return gas prevention device for drainage pipe

 #21
20210017753
2021-01-21

Toilet seat assembly

 #22
20200378129
2020-12-03

Pivotable downspout extension system

 #23
20200333807
2020-10-22

Self-closing aquarium valve

 #24
20200295545
2020-09-17

FLUID INJECTION SYSTEM WITH SMART INJECTION AND RECEIVER TANKS

 #25
20200294694
2020-09-17

Fluid injection system with smart injection and receiver tanks

 #26
20200264640
2020-08-20

Float valve systems and methods for controlling liquid level in vessels

 #27
20200201366
2020-06-25

Fluid flow control based on a liquid level in a container

 #28
20200001703
2020-01-02

Float valve

 #29
20190391603
2019-12-26

Drain assembly for fluid tank and related methods

 #30
20190310664
2019-10-10

Siphon float system

 #31
20190138034
2019-05-09

WATER LEVELING AND FILTERING SYSTEM

 #32
20190113150
2019-04-18

Fully-integrated, top-fill, pressureless flow-control module couplable to a pulsating pressurized fuel source

 #33
20180355987
2018-12-13

Check valve for overflow oil line when pressure fill fittings are remote

 #34
20180203473
2018-07-19

LIQUID LEVEL MAINTAINER

 #35
20180187135
2018-07-05

Apparatus for regulating and controlling the level of food liquid in closed containers

 #36
20180135774
2018-05-17

Liquid level control device

 #37
20180074526
2018-03-15

Overfill prevention valve assembly

 #38
20170351273
2017-12-07

OVERFLOW SYSTEM FOR A HOLDING TANK

 #39
20170322569
2017-11-09

Flow control system

 #40
20170260727
2017-09-14

Leak-proof water valve of toilet tank

 #41
20170175922
2017-06-22

SELF CLEANING PILOT ACTUATED HYDRAULIC VALVE

 #42
20170052547
2017-02-23

Hand-adjustable float valve anh methods

 #43
20160370811
2016-12-22

Testable overfill prevention valve

 #44
20160340880
2016-11-24

Hydraulic valve adapter

 #45
20160290527
2016-10-06

Hydraulic valve adapter

 #46
20160069470
2016-03-10

HYDRAULIC VALVE

 #47
20160045077
2016-02-18

Portable flow sink

 #48
20160004259
2016-01-07

Apparatus and method for self-regulating fluid chemical delivery

 #49
20150346735
2015-12-03

DUMPING WELL

 #50
20150185737
2015-07-02

Cold bathing water to toilet diverting apparatus

 #51
20150136242
2015-05-21

Quantitative liquid discharge device capable of discharging liquid in container at present liquid level

 #52
20140124068
2014-05-08

TANK OVERFLOW PIPE SYSTEM

 #53
20130333771
2013-12-19

Heatable high-pressure cleaning device

 #54
20130213480
2013-08-22

Testable overfill prevention valve

 #55
20110108153
2011-05-12

Apparatus and method for rapidly adjustable liquid blending ratio

 #56
20090126804
2009-05-21

Device for controlling water level

 #57
20070257119
2007-11-08

Thermal valve assembly

 #58
20070220700
2007-09-27

Liquid level control device for a container

 #59
20070169821
2007-07-26

Level control for liquid throughfeed

 #60
20070089505
2007-04-26

Liquid level control device

 #61
20060261178
2006-11-23

Device to adjust and control water levels

 #62
20060027283
2006-02-09

Automatic liquid refill apparatus

 #63
20050257830
2005-11-24

Float valve assembly

 #64
20050199285
2005-09-15

Liquid shut-off valve

 #65
20050039796
2005-02-24

Liquid level controller

 #66
20050000573
2005-01-06

Liquid level regulation apparatus

 #67
17527952
2023-01-10

Smart and IoT connected liquid level monitoring with remote diagnostic and maintenance capability

 #68
15262495
2019-05-14

Apparatus to implement automatic refilling functionality for a liquid holding tank that is the final tank in a flow-path-interconnected series of tanks

 #69
14586689
2016-05-24

Water supply assembly for an autoclave

 #70
14069726
2016-04-12

Flow control device

 #71
14069700
2016-03-22

Flow control device for a storm water management system