Patents
Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688)
06/2011
06/15/2011CN201867659U Intelligent water level control device of condenser for pure-low-temperature waste heat generation in cement mill
06/15/2011CN201867658U Automatic liquid reservoir
06/15/2011CN101364114B Liquid level on-line control system and method for self-adapting and fuzzy logic PID crystallizer
06/14/2011US7962248 Methods, systems, circuits, and computer program products for reducing peak electrical demand by shifting activation of electrical appliances
06/08/2011CN201859354U Water level control device for silicon slice cleaning tank
06/08/2011CN101103322B Electrically controlled pressure relief valve
06/01/2011CN201854005U Integrated gas filling protective system for cable
06/01/2011CN201853140U Water tower water level automatic controller
06/01/2011CN201853139U Automatic control device for ore pulp storage hopper
05/2011
05/31/2011US7953518 Energy cost reduction and ad delivery
05/25/2011CN201845240U Novel automatic controller for liquid level
05/18/2011CN201837901U Fully automatic water level controller
05/18/2011CN201837900U 智能液位显示控制器 Intelligent level display controller
05/18/2011CN201837899U Anti-explosion water level controller with high-power load
05/18/2011CN1906553B Apparatus and method for operating a valve using a cushion filter
05/18/2011CN101566387B Water boiler with novel water level control device
05/11/2011CN201828837U Pneumatic level controller
05/11/2011CN201828836U Water level automatic control system of flood discharge gate
05/11/2011CN201828835U Float ball liquid level controller for boat
05/11/2011CN201828678U Automatic rain gauge
05/11/2011CN201824035U Automatic control system for controlling machining liquid level of low-speed silk thread-tracking cutting-off machine
05/11/2011CN201822634U Water cup capable of automatically controlling water level and water dispenser using same
05/11/2011CN101684661B Two-way control water supply device
05/11/2011CN101560971B Pump unit energy efficiency automatic control system and control method thereof
05/10/2011US7941246 Automatic generation control augmentation for wind plant integration
05/05/2011US20110106317 Integrated resource monitoring system with interactive logic control
05/04/2011CN201820152U Liquid level measuring and controlling system for brick making machine
05/04/2011CN201820151U Liquid level protection alarm device
05/04/2011CN201820150U Radio-frequency admittance material level controller
05/04/2011CN102042856A Device and method for automatically metering and calibrating horizontal tank capacity based on standard metal tank
05/04/2011CN101486018B Centrifugal machine level controller
05/04/2011CN101368393B High-rise housing pond pumping method and its control circuit
05/04/2011CN101218884B Case type low pressure high volume pressure regulator
04/2011
04/27/2011CN201812212U Rotary paddle level switch
04/27/2011CN201812211U Liquid level control device for transistor
04/27/2011CN201812210U Water tank controller
04/27/2011CN102033552A Intelligent control system for engineering dewatering
04/27/2011CN102029649A Automatic control method of well-cementing cement mixing operation
04/26/2011US7933689 Method for controlling at least one load connected to a primary and a backup power supply
04/26/2011US7933688 Electrically controlled pressure relief valve and system and method for controlling same
04/20/2011EP2312413A1 Fuel filtration monitoring system
04/20/2011CN201804277U 自动水位控制器 Automatic Water Level Controller
04/20/2011CN201804276U Simple water level controller for circuit
04/20/2011CN201804275U Full-automatic water level controller
04/20/2011CN102023652A Liquid level controller for water tank
04/20/2011CN102023651A Method and device for controlling flotation cell liquid level
04/20/2011CN101419471B Device for controlling water level
04/16/2011CA2715296A1 Method and apparatus for detection of phase separation in storage tanks
04/13/2011CN201796301U Water level wireless controller for water tower
04/13/2011CN201796300U 电子式水位控制器 Electronic Water Level Controller
04/13/2011CN102012685A Automatic charging and drying control device based on PLC (Programmable Logic Controller) control
04/13/2011CN101205564B Molten iron loading amount control method of ironcored ladle car
04/06/2011CN201788421U Full-auto water level control system
04/06/2011CN201788420U Adjustable tube structure for oil level controller
04/06/2011CN201788419U Integral oil return adjusting structure
04/06/2011CN201788418U Automatic material transfer control device
04/06/2011CN201788406U Automatic control device for water levels of multiple canal reaches
04/06/2011CN102004502A Liquid level control system and control method of Intermediate tank in glutinous rice wine production
04/06/2011CN102004501A Water level control device for silicon wafer cleaning tank
04/06/2011CN102001494A Off-site assembled container manufacturing method, bag-type pressure drain tank and liquid level controller
04/05/2011US7920934 Manufacturing system and controller, controlling method, controlling system, and control program for the manufacturing system
03/2011
03/29/2011US7917787 Method, apparatus and system to dynamically choose an aoptimum power state
03/29/2011US7917252 Load controlling device, load controlling method, load controlling circuit, load controlling program, and computer-readable recording medium where load controlling program is recorded
03/29/2011CA2586137C Electrically controlled pressure relief valve
03/29/2011CA2361096C Spa controller computer interface for spas
03/23/2011EP2297625A1 Sump monitoring method and apparatus
03/23/2011CN201773329U Ball float level controller
03/23/2011CN201773328U Liquid dangerous chemistry materials charging excess alarm interlocking device
03/23/2011CN201773327U Marine side-mounted floating ball liquid level controller
03/23/2011CN201773326U Multipoint water level control device of photovoltaic water pump
03/23/2011CN201771039U Water-saving closestool capable of controlling flushing water quantity
03/17/2011US20110066296 Method and Apparatus for Control of an Electric Power Distribution System in Response to Circuit Abnormalities
03/16/2011CN201766340U Drier with improved structure for aerating and maintaining system
03/16/2011CN201765518U Liquid level controller
03/16/2011CN201765517U Remote wireless controller for liquid level of water tank
03/16/2011CN201765516U Water controller using municipal alternating current as test signals
03/16/2011CN201765515U Intelligent sewage level controller
03/16/2011CN201765514U Float ball liquid level controller for ship
03/16/2011CN201762763U Water level controller with over-voltage protection
03/16/2011CN201762446U Automatic water level controller preventing electrode electrolysis
03/16/2011CN201758647U Reflow control device for deep liquid flow soilless cultivation
03/15/2011US7908035 System and method for wind formulary
03/08/2011US7904208 Computer instructions for centralized management of a hydrogen generation network
03/08/2011US7902307 Olefin polymerization process with optimized product discharge
03/08/2011US7902306 Polyolefin production using high olefin concentration
03/01/2011US7897113 Multicompartment apparatus comprising membrane films which utilize electro-osmosis and immunoglobulin recognition to detect particles in solution
02/2011
02/24/2011WO2011020905A1 Gravity-fed basin
02/23/2011EP2287413A1 Gravity-fed basin
02/16/2011CN201749373U Water level controller without ionizing electrolysis water
02/16/2011CN201749372U Automatic water level control alarm
02/16/2011CN201749371U Level controller
02/16/2011CN201748154U Large gasifier liquid-level control system
02/16/2011CN201747612U Condensed water discharger of air compressor
02/15/2011US7890217 Integrated real-time power and solar farm control system
02/10/2011WO2011015529A2 Warm water reservoir having a device for determining the warm water fill level of the warm water reservoir
02/09/2011CN201741044U Ultrasonic liquid level monitoring device
02/09/2011CN201741043U Liquid level control device
02/09/2011CN201738394U Secondary utilization system for wastewater
02/09/2011CN201738374U Water saving device
02/08/2011US7885917 Utility monitoring and disaggregation systems and methods of use
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