| Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688) |
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| 10/27/2010 | CN101235655B Domestic sewage reusing device |
| 10/26/2010 | US7822586 System and method for optimizing and simulating thermal management systems and predictive flow control |
| 10/26/2010 | US7822510 Systems, methods, and products for graphically illustrating and controlling a droplet actuator |
| 10/21/2010 | US20100264014 Process for the Separation of a Hydrocarbon-Containing Feed Stream |
| 10/20/2010 | EP2240647A1 Flow sensor |
| 10/20/2010 | CN201610569U 双液位、自动开关阀门控制上水系统 Dual level, automatic switch valve control system Sheung Shui |
| 10/20/2010 | CN101866187A Lithium bromide absorption type first-class heat pump unit device and control method thereof |
| 10/19/2010 | US7818594 Power efficient resource allocation in data centers |
| 10/19/2010 | US7818092 In situ emission measurement for process control equipment |
| 10/19/2010 | US7817050 Ultrasonic gas leak detector with an electrical power loss and carbon footprint output |
| 10/13/2010 | CN201607645U 带有水位控制装置的洗涤器具 Washing utensils with water level control device |
| 10/13/2010 | CN201607046U 一种用于太阳能热水器的水位自动控制装置 Automatic water level control device for a solar water heater |
| 10/13/2010 | CN101859154A Transformer substation accumulated water treating system and method thereof by adopting floating ball |
| 10/13/2010 | CN101859153A Integral intelligent liquid level display controller |
| 10/07/2010 | US20100254827 Method and Auto-control System on Improving Pumping System Performance |
| 10/07/2010 | US20100252029 Hot water feeder |
| 10/06/2010 | CN201600598U 一种用于水塔的水位控制装置 Water level control device for water tower |
| 10/06/2010 | CN201600597U 家用水塔自动控制器 Household water tower automatic controller |
| 09/30/2010 | WO2010111450A2 Ultrasonic liquid level monitoring system |
| 09/30/2010 | WO2010108413A1 Centralized supply system for electrolyzed oxidizing water and intelligent control method thereof |
| 09/30/2010 | CA2756066A1 Ultrasonic liquid level monitoring system |
| 09/29/2010 | CN101847014A Water level controller |
| 09/29/2010 | CN101847013A Liquid level control structure |
| 09/29/2010 | CN101424093B Household reclaimed water system |
| 09/29/2010 | CN101144285B Experiment device for simulating house draining system and detecting method thereof |
| 09/29/2010 | CN101131590B Liquid level control system |
| 09/22/2010 | CN201589980U Rotating valve control device of chip conveying and drying system |
| 09/22/2010 | CN201589643U Liquid level measuring and controlling means for high viscosity liquid medium |
| 09/22/2010 | CN101462782B Blade type water level control apparatus |
| 09/15/2010 | CN201583848U Rotation-resisting material level controller |
| 09/15/2010 | CN201583847U High-temperature restricted rotation material level controller |
| 09/15/2010 | CN201583081U Ice making machine |
| 09/15/2010 | CN101832809A Liquid weighing device and automatic control method thereof |
| 09/15/2010 | CN101831937A Multifunctional quality-differing water supply tank |
| 09/14/2010 | US7794665 Fluidic device |
| 09/08/2010 | CN201576214U Device for controlling water level of bathtub |
| 09/08/2010 | CN201575845U Full shielding radio frequency admittance level controller |
| 09/08/2010 | CN201573916U Tar ammonia water underground receiving tank with liquid level automatic control device |
| 09/08/2010 | CN101825905A Water supply device capable of controlling water level accurately |
| 09/08/2010 | CN101349923B Method for controlling thin belt continuous casting molten pool fluid level |
| 09/02/2010 | US20100222930 Diaphragm Valve Controlled Through Electronic Pressure Detection and Method |
| 09/01/2010 | CN201569922U Digital water level controller |
| 09/01/2010 | CN101819444A Indirect gravity water level controller |
| 08/25/2010 | CN201562177U Medical liquid level control device |
| 08/25/2010 | CN201562176U Foundation pit dewatering automatic control system |
| 08/25/2010 | CN201561666U Fully-sealed system for recycling steam condensation water |
| 08/25/2010 | CN201560463U Domestic sewage reutilization device |
| 08/25/2010 | CN101813948A Pull switching mode device for automatically controlling water level |
| 08/24/2010 | US7779858 Valve assembly with overfill protection device and capacitive liquid level gauge |
| 08/19/2010 | US20100211226 Monitoring and Control System for a Gas Well Dewatering Pump |
| 08/18/2010 | CN201556101U Controller for controlling starting-up and closing-down of equipment through water level |
| 08/18/2010 | CN201556100U High-temperature resistant water level controller |
| 08/18/2010 | CN201556099U Liquid-level control device for deaeration tower |
| 08/18/2010 | CN201555210U Boiler original water storage tank liquid level control device |
| 08/18/2010 | CN101807082A High-temperature glass liquid level height shooting control method for glass kiln furnace |
| 08/17/2010 | US7778738 Method and system for reducing feeder circuit loss using demand response |
| 08/17/2010 | US7778737 Method and system for local load control |
| 08/11/2010 | CN201548853U Liquid level controller of water purifier in laboratory |
| 08/11/2010 | CN201548852U Interface signal matching device of level transmitter module |
| 08/11/2010 | CN201548293U Anti-explosion photoelectric control inflammable liquid level detector |
| 08/11/2010 | CN201545749U Automatic control anti-penetration pure water supply device |
| 08/11/2010 | CN201543620U Ultrasonic rinsing-tank automatic liquid-level control device |
| 08/11/2010 | CN101799692A Water level control method and device for control signal acquired from earth |
| 08/05/2010 | US20100198640 Electric-power-generating-facility operation management support system, electric-power-generating-facility operation management support method, and program for executing operation management support method on computer |
| 08/04/2010 | CN201538992U Total circulating system for cleaning waste water in and out floor |
| 08/03/2010 | US7770038 Power control apparatus and method of terminal device, method of displaying shutdown state of terminal device, and method of driving terminal device |
| 08/03/2010 | US7769496 Method for centralized management of a hydrogen generation network |
| 08/03/2010 | US7769495 Power management system for a hydrogen generation network |
| 07/29/2010 | US20100186302 Regenerating process and regenerating system to regenerate waste slurry from semi-conductor wafer manufacturing process |
| 07/28/2010 | CN101788828A Water level control device used for water tower |
| 07/28/2010 | CN101788827A Noise-type water level control device |
| 07/28/2010 | CN101319510B Rainwater runoff control apparatus |
| 07/22/2010 | US20100185334 Truck compartment verification system with alternate truck id |
| 07/21/2010 | CN201532584U Automatic water level control device inside boiler slag remover tank |
| 07/14/2010 | CN201527588U System for feeding liquid |
| 07/14/2010 | CN201527568U Automatic monitoring device of fire-fighting pool and water tank |
| 07/14/2010 | CN101776920A Time parameter determining method for liquid level control in container with regular change of pressure |
| 07/07/2010 | CN201522650U Automatic water level control device of constructional engineering dewatering well |
| 07/07/2010 | CN201522649U Liquid level control device of methane residue and methane liquid tanks |
| 07/06/2010 | US7751943 Protection process and control system for a gas turbine |
| 06/30/2010 | CN201518103U Water tower water level switch |
| 06/30/2010 | CN201517512U Water level detector, water pump automatic control system and water pump control circuit |
| 06/30/2010 | CN101763122A Automatic water level monitor |
| 06/30/2010 | CN101762089A Automatic water-feeding control device of solar water heater |
| 06/30/2010 | CN101762088A Solar energy water heater capable of automatically replenishing water |
| 06/30/2010 | CN101429781B Water saving controller |
| 06/29/2010 | US7747357 Method of communicating a command for load shedding of a load control system |
| 06/29/2010 | US7747355 Electrical power generator with adaptive coupling |
| 06/23/2010 | CN201514582U Liquid level control device |
| 06/23/2010 | CN101751043A Cable trench water collecting well water level automatic control device |
| 06/23/2010 | CN101744543A Intelligent water fountain |
| 06/16/2010 | EP2196886A1 Method for regulating a water level of a hydraulic channel with corresponding system and computer program product |
| 06/16/2010 | CN201508499U Mining explosion-proof type water level automatic control device |
| 06/16/2010 | CN201507023U Toilet bowl energy-saving auxiliary device |
| 06/16/2010 | CN101740265A Floating ball for substation drainage system |
| 06/16/2010 | CN101739035A Nozzle-baffle type water level regulator |
| 06/15/2010 | US7738999 System for controlling electrically-powered devices in an integrated wireless network |
| 06/10/2010 | US20100144982 Polyolefin Production Using High Olefin Concentration |
| 06/09/2010 | CN201503556U Automatic liquid level indicator of diaphragm electrolytic tank |
| 06/09/2010 | CN201499528U Automatic water replacement device of fish tank |