Patents
Sitemap › G05 - Controlling; Regulating › G05D - Systems for controlling or regulating non-electric variables › 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)
11/2003
11/13/2003US20030209069 Chemical bath having liquid level indications in outer trough
11/12/2003CN2586191Y Automatic tin feeder
11/12/2003CN1455305A Automatic-open switch for controlling water supply
11/05/2003CN2585293Y Water level controller for full automatic plumbing equipment
11/05/2003CN2584677Y Water saver used for toilet
10/2003
10/22/2003CN2582035Y Auto-controller for water level in water tower
10/15/2003CN2580495Y Water level stabilizer
10/15/2003CN2580494Y Intelligent liquid level/hydraulic detecting and controlling instrument
10/15/2003CN2580493Y Liquid level regulating water tank
10/14/2003US6633799 Configurable switchgear system
10/08/2003CN1447202A Control electric circuit of impeller type full-automatic washing machine
10/07/2003US6629627 Level control systems for high purity chemical delivery systems
10/02/2003US20030184444 Event notification system and wet well monitor
10/01/2003CN2577487Y Digital switch of flame-proof type multifunctional submered pump for mine
10/01/2003CN2577311Y Water level automatic-control instrument for solar water heater
09/2003
09/24/2003CN2575733Y Turnover mechanism for external equipment of extracting computer
09/24/2003CN2575164Y Waste water pollution cleaning & secondary water production apparatus
09/23/2003CA2232868C Sanitary aseptic drain system
09/17/2003CN2573548Y Pulp mould pressing constant-weight device
09/10/2003EP1257463B1 Method for determining a minimal set of rotor blade adjustments
09/03/2003CN2570836Y Automatic water level controller
09/02/2003US6612812 Semiautomatic electronic system for sensing and increasing liquid in a containment vessel to a predetermine level
08/2003
08/13/2003CN2566311Y Non-connecting rod floating ball liquid level control device
08/13/2003CN1435738A Vapor condensed water discharging level controlling system
08/12/2003US6604418 Liquid-level detection method and device thereof
08/06/2003CN1434172A Hydraulic automatic constant water level downflow weir
07/2003
07/30/2003CN2563610Y 可调电极式全自动水位控制器 Adjustable electrode automatic water level controller
07/29/2003US6600972 Electro-statically-shielded processing module
07/29/2003US6598617 Cascaded variable bias feedforward and feedback flow and level control system
07/23/2003CN1432125A Method and appts. for controlling level of liquids
07/17/2003US20030131661 Method and apparatus for controlling the level of liquids
07/10/2003US20030127376 Fluid control systems
07/08/2003US6588458 System, apparatus and method for measuring and transferring the contents of a vessel
07/03/2003WO2003054387A1 Method and system for regulating the level of a dam
07/02/2003CN2559023Y Simple water tower automatic water level controller
07/02/2003CN1427247A Oscillation type liquid level display control alarming instrument
07/01/2003US6584997 Overflow prevention mechanism for liquid transfer systems
06/2003
06/24/2003US6582156 Level control device for wetlands wastewater treatment facilities
06/19/2003WO2003050633A1 Improved liquid level controller
06/18/2003CN2556684Y Autoamtic controlled water vat
06/18/2003CN2556683Y Self controller for cistern water content
06/18/2003CN2556682Y Self controller for cistern water content
06/18/2003CN1425149A Method and system for automatically controlling water level in storage tank through wireless control process
06/17/2003CA2251052C Fuzzy logic liquid level control
06/12/2003US20030106582 Method and system for automatically controlling water level in storage tank through wireless control process
06/12/2003DE10152445C1 Purge valve for cesspit or rainwater reservoir, has guide tube which pivots to let water out when at high level
06/04/2003CN2554672Y Automatic water level controller
06/04/2003CN2554671Y Probe for controlling level of solar water heater
06/04/2003CN2554670Y Controller made of glass fibre reinforced plastic for level of oil water pot
06/04/2003CN1421753A Single water supply detection method of pressure-type single-and double-pipe two-purpose control valve
06/03/2003US6574572 Reducing vibration using QR decomposition and constrained optimization
05/2003
05/30/2003WO2002037007A9 Liquid level controller
05/28/2003CN2553410Y Liquid level automatic controller
05/28/2003CN1420403A Pressure double-pipe controlling valve single water supply testing and setting method
05/28/2003CN1420402A Pressure double-pipe controlling valve double water supply testing and setting method
05/28/2003CN1420401A Pressure single-pipe controlling valve single water supply testing and setting method
05/28/2003CN1420400A Pressure single-pipe and double-pipe controlling valve double water supply testing and setting method
05/28/2003CN1420399A Pressure single-pipe controlling velve double water supply testing and setting method
05/27/2003US6568264 Wireless swimming pool water level system
05/22/2003WO2003043115A2 A gas humidification device for operation, testing, and evaluation of fuel cells
05/21/2003CN2551352Y Water curtain monitoring and automatic water supply device for pumpless water curtain paint spraying chamber
05/21/2003CN1109235C Pneumatic liquid level indicator
05/20/2003US6567757 Reducing vibration using QR decomposition and unconstrained optimization
05/14/2003EP0965075B1 A method of regulating the level in a buffer tank
05/14/2003CN2550820Y Automatic water level controller
05/14/2003CN2550415Y Water level automatic controller
05/14/2003CN1417655A Household water economizer
05/14/2003CN1417425A Household water economizer
05/08/2003US20030084938 Level control system for sheet casting process
05/07/2003CN2549509Y Automatic ultrasonic level controller
05/07/2003CN2549508Y Synchronous balance monitor of lifting scaffold
05/06/2003US6557593 Refillable ampule and method re same
05/02/2003EP1306494A2 Valve, in particular flush valve
04/2003
04/30/2003CN2547774Y Automatic switch for water source
04/24/2003US20030077491 Weight sensing system, method for use thereof, and electrochemical system for use therewith
04/23/2003CN2546920Y Full-automatic liquid level controller
04/23/2003CN2546919Y Dynamic liquid level controller
04/23/2003CN1412392A Pipeline water source probe
04/17/2003US20030071053 Continuous liquid flow system
04/16/2003EP1208431A4 Electro-statically shielded processing module
04/15/2003US6546944 Fluid siphon outlet sensor system
04/09/2003CN2544320Y Multi-function control sysem for steam room
04/03/2003US20030065417 Methods for engineering and manufacturing score-line-crack- resistant linerboard
04/02/2003EP1042708B1 Fluidic level control systems
03/2003
03/26/2003CN2541881Y Level automatic controller of civil water tower
03/20/2003WO2003023148A1 Liquid level regulation apparatus
03/19/2003EP1293679A1 Pump unit and liquid level switch
03/19/2003CN2540656Y Energy-saving hydraulic amplifying type auto-controlled liquid level valve
03/19/2003CN2540448Y Water saver
03/19/2003CN1403886A Two-wire water level regulator utilizing microprocessor
03/12/2003CN2539987Y Water level electronic automatic controller
03/12/2003CN2539986Y Electronic acousto-optical fully automatic water level controller
03/12/2003CN1401862A Secondary water supply method and water supply system for high-level reservoir
03/05/2003EP1287317A1 Method and apparatus for controlling the level of liquids
03/05/2003CN2538853Y Siphon water-sucking inlet automatic closing valve
03/05/2003CN1400365A Float liquid level control device
02/2003
02/26/2003CN2538000Y Intelligent water supply controller for solar water heater
02/26/2003CN2537743Y Automatic controlled water storage cistern using plastic as casing body
02/26/2003CN1399177A Direct liquid level controlling system with single-loop pump
02/19/2003CN2537037Y Double-ball level controller
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