ClassID:

188419

G05D9/12 - page 2 - CPC Classification

Classification description:

Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Recent Application in this class:
#301
20090229683
2009-09-17

NON-CONTACT TYPE WATER LEVEL CONTROL APPARATUS

#302
20090090416
2009-04-09

Fluid level regulator

#303
20090024253
2009-01-22

Process controller having improved surge capacity control and related methodology

#304
20080229934
2008-09-25

Automatic top-off for deep fat fryers

#305
20080121283
2008-05-29

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

#306
20080067116
2008-03-20

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

#307
20080057362
2008-03-06

Method and apparatus for separating liquid from a gas stream

#308
20080020493
2008-01-24

APPARATUS FOR SUPPLYING CHEMICAL, SEMICONDUCTOR MANUFACTURING APPARATUS HAVING THE SAME, AND METHOD FOR SUPPLYING CHEMICAL

#309
20080016960
2008-01-24

Liquid level sensor using thick film substrate

#310
20070278243
2007-12-06

Supply system for a bottled water cooler using a microcontroller and method of use

#311
20070274839
2007-11-29

Relay pumping controller

#312
20070251960
2007-11-01

Measurement of molten sulfur level in receptacles

#313
20070194799
2007-08-23

Method to determine the contents level of a first fluid in a container and to determine a presence of a second fluid below the first fluid and level measurement apparatus to execute said method

#314
20070192954
2007-08-23

Liquid level control system

#315
20070125170
2007-06-07

Fluid level regulator

#316
20070095668
2007-05-03

LIQUID NITROGEN LEVEL CONTROL SYSTEM

#317
20070034003
2007-02-15

Water-level control device having power frequency carrier

#318
20060281000
2006-12-14

Battery electrolyte level control system

#319
20060272203
2006-12-07

Adjustable float tree

#320
20060261964
2006-11-23

Safety device for laboratory work, especially for liquid chromatography systems

#321
20060241874
2006-10-26

Monitoring system

#322
20060161358
2006-07-20

Methods and systems for estimating a nominal height or quantity of a fluid in a mixing tank while reducing noise

#323
20060086389
2006-04-27

Solenoid actuated control for fuel distribution in a dual fuel tank vehicle

#324
20060075763
2006-04-13

Apparatus for controlling refrigerant level

#325
20060014062
2006-01-19

Method and apparatus for level control in a water tank of a fuel reformer

#326
20050217728
2005-10-06

Water feeder controller for boiler

#327
20050197720
2005-09-08

Electro-statically-shielded processing module

#328
20050183771
2005-08-25

Apparatus and process for refilling a bubbler

#329
20050161063
2005-07-28

Apparatus and method for controlling the water level in a residential dishwasher

#330
20050109682
2005-05-26

Level measurement for grease separators

#331
20050096795
2005-05-05

Wireless fluid inventory management system

#332
20050062611
2005-03-24

Auto shutoff overflow controller

#333
18306045
2024-10-15

Water supply control system that implements safety controls and uses simulation to prevent commands that would cause or worsen flooding

#334
17543686
2023-09-05

Magnetic latching float switch

#335
17324906
2022-02-15

Devices, systems, and methods for measuring fluid level using radio-frequency (RF) localization

#336
17245698
2025-01-14

Sump pump smart home integration

#337
17214649
2023-06-13

Water supply control system that implements safety controls and uses simulation to prevent commands that would cause or worsen flooding

#338
15677658
2019-01-29

Basement sewer drain recovery and discharge device

#339
15092680
2017-09-19

Multiple switch float switch apparatus having a magnetic coupling

#340
14684087
2017-09-26

Basement sewer drain recovery and discharge system

#341
14665433
2016-03-01

Systems and methods for detecting and resolving liquid pump failures

#342
14601764
2017-09-05

Systems and methods for detecting and resolving impending failures in a sump pump

#343
13492958
2015-09-01

Simplified method and device for sensing water level in a reservoir