G05D 9 - Level control, e.g. controlling quantity of material stored in vessel

Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688)
09/2004
09/08/2004	CN2639378Y Pipeline system device of self-controlled flusing using reused water
09/01/2004	CN2638116Y Water level temp. controller
09/01/2004	CN2638115Y Liquid level controller
08/2004
08/25/2004	CN2636287Y 电子水位自动控制器 Automatic electronic water level controller
08/25/2004	CN2636286Y Control circuit for cable tunnel water pump
08/24/2004	US6782309 SPA controller computer interface
08/19/2004	WO2004070322A2 Apparatus and method for fluid flow control
08/19/2004	CA2514842A1 Apparatus and method for fluid flow control
08/18/2004	CN2634515Y Civil water way monitor
08/17/2004	US6776900 Level measurement for grease separators
08/11/2004	EP1445591A2 Continuous liquid flow system
08/11/2004	CN2632733Y Water level testing controller
08/11/2004	CN2632644Y Outbard liquid level sensor
08/10/2004	CA2452533C Electronic controlled expansion valve
08/05/2004	US20040149335 Water feeder controller for boiler
08/04/2004	CN2630909Y Digital water-level automatic controller
07/2004
07/28/2004	CN2629079Y Automatic controlling liquid level apparatus
07/28/2004	CN2629078Y Overvat edgewise inversed U-shaped tube for peasant water vat mounted with floating valve
07/21/2004	CN2627553Y Automatic controller for coal mine emulsion pump station
07/21/2004	CN2627552Y Strain floating ball liquid level controller
07/20/2004	US6763714 Method and apparatus for controlling the level of liquids
07/14/2004	CN2625943Y Novel water level controller
06/2004
06/30/2004	CN2622747Y Liquid level controller for atmospheric piessure kitchen range
06/30/2004	CN2622258Y Water-pool free type complete water supply equipment
06/24/2004	US20040118203 Wireless swimming pool water level system
06/23/2004	CN1154615C Automatic controller for sewage treatment process
06/16/2004	CN2620882Y Water level automatic monitoring alarm device
06/16/2004	CN1504850A Water level adjusting device and water storing equipment with adjustable water level
06/09/2004	EP1426844A1 Device for controlling the delivery of a fluid supplied to a container and plant with such a device
06/09/2004	CN1503095A Water level stabilizer
06/02/2004	CN2619297Y Multifunction liquid level automatic controller
05/2004
05/27/2004	DE4402975B4 Versagenskontrollvorrichtung eines Wasserzufuhrsystems eines elektrischen Haushaltsgeräts Failure control device of a water supply system of an electric household appliance
05/26/2004	CN2618282Y Automatic liquid level controller
05/20/2004	US20040093941 Device for establishing and/or monitoring a predetermined fill level in a container
05/19/2004	EP1266195B1 Continuous liquid flow system
05/19/2004	DE10212506B4 Ventil, insbesondere Spülventil Valve, in particular flush valve
05/19/2004	CN2616577Y Domestic energy-saving water supply device
05/13/2004	WO2004040731A1 Method and apparatus for control of an electric power system in response to circuit abnormalities
05/13/2004	WO2004040389A1 Monitoring system
05/05/2004	CN2614354Y Water-level automatic controller
05/05/2004	CN1493946A Fool multifunction water pump control and protective device
05/04/2004	US6732057 Methods for engineering and manufacturing score-line-crack-resistant linerboard
04/2004
04/28/2004	CN2613797Y Safety water level controller
04/28/2004	CN1492111A 过滤镇流器 Filter ballast
04/21/2004	CN2612973Y Dynamic interactively running liquid level controller
04/14/2004	CN2612054Y Float level controller
04/14/2004	CN2611875Y Water level and water pressure monitor of culvert
04/14/2004	CN1489014A Glass bulb slurry level-concentration control system
04/14/2004	CN1145865C Water pump automatic control and motor multifunctional protection circuit
03/2004
03/31/2004	CN2608566Y Civil water resource secondary utilization automatic water saving tank
03/30/2004	US6712553 Grid drain system
03/18/2004	US20040052477 Optical connector
03/18/2004	US20040052450 Optical ring architecture
03/17/2004	CN2606911Y Microcomputer control high level cistern constant liquid level water supply device
03/17/2004	CN2606910Y Self control water supply device
03/17/2004	CN2606909Y Multifunction combined liquid surface regulator
03/16/2004	CA2341822C Solid state liquid level sensor and pump controller
03/10/2004	CN2606383Y Automatic non-contact liquid level controller
03/03/2004	CN2605316Y Water-saving device
02/2004
02/26/2004	WO2003043115A3 A gas humidification device for operation, testing, and evaluation of fuel cells
02/26/2004	US20040035465 Liquid level controller
02/25/2004	CN2604466Y Urban environment protection water-saving arrangement
02/19/2004	US20040031760 Controlling water level in a recovery system of paint spray, keeping water level constant even during downtime
02/19/2004	DE20318610U1 Water level limiter for heating systems, has additional limit level electrodes with flat measurement point surfaces below normal control electrodes
02/12/2004	US20040025240 Controller
02/11/2004	CN2603420Y Fully automatic water level regulation controller
02/10/2004	US6688329 Water feeder controller for boiler
02/05/2004	DE10233039A1 Liquid level regulation method, especially for the condensate in a condensate separation reservoir of a fuel cell, involves regulating the time of shutting of an outlet valve so that an upper liquid level sensor is not required
02/04/2004	CN2602408Y Liquid-level automatic controller
01/2004
01/29/2004	US20040016241 Refrigeration system and method of operating the same
01/29/2004	DE4417240B4 Verfahren zum Bestimmen des Wasserstandes in einer Waschmaschine A method for determining the level of water in a washing machine
01/28/2004	CN2601272Y Automatic water saving toilet
01/27/2004	US6684167 Method and apparatus for measuring energy consumed during plastic deformation in multi-ply board systems
01/27/2004	US6682654 Sludge recovery apparatus and method
01/20/2004	US6679287 Level adjuster of water supply of water box
01/14/2004	CN1134620C Fuzzy logic liquid level control
01/07/2004	CN2598032Y Electronic automatic liquid supplying (draining) controller
01/07/2004	CN2597558Y Automatic scale-cleaning environmental protection water tank
01/02/2004	EP1373840A1 Device for determining and/or monitoring a predetermined level in a container
12/2003
12/31/2003	CN2596400Y Self control liquid feeding double protector
12/31/2003	CN2596399Y One-loop variable frequency water pump direct liquid level control system
12/23/2003	US6666086 Automatic boiler level controller
12/23/2003	CA2124907C Water-sensing alarm for water control systems
12/10/2003	EP1369556A1 Filling device for controlling the oil level in an oil pan of a combustion engine or a transmission
12/10/2003	CN2591112Y Waste water secondary wtilizing flushing cistern of water-closet
12/04/2003	US20030221746 Filling device for oil level regulation on oil pans in engines and transmissions
12/03/2003	CN2590051Y Full-automatic water level electronic controller
12/03/2003	CN2590050Y Household water tower self-controller
11/2003
11/26/2003	CN2588428Y Electrolyte flow and level controller for wet method metallurgy
11/26/2003	CN2587947Y Kitchen, closet and bathroom sewage circular treatment equipment
11/26/2003	CN2587945Y Automatioc bulance type no-negative pressure water supply equipment without air pollution
11/26/2003	CN2587944Y Prepressured no-negative pressure water supply equipment without air pollution
11/26/2003	CN2587943Y No negative pressure water supply equipment without ai pollution
11/26/2003	CN1458556A Self-operated liquid controller and relative signal pick-up interlocking method
11/25/2003	US6654667 Production apparatus that detects irregularities in a mounting line and controls power consumption, and a control method and control program for the production apparatus
11/20/2003	US20030213053 Level adjuster of water supply of water box
11/19/2003	CN2587002Y Liquid-level controller
11/19/2003	CN2587001Y Digital radio-frequency admittance level controller
11/19/2003	CN2586736Y Apparatus for flushing sanitary equipment by recycling washes
11/19/2003	CN1456951A Automatic water tank level controller of energy-saving watersupply system

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