| Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688) |
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| 07/13/2006 | WO2006072788A2 Methods and systems for estimating a nominal height or quantity of a fluid in a mixing tank while reducing noise |
| 07/12/2006 | EP1678587A2 Intelligent power management control system |
| 07/12/2006 | EP1466223A4 Improved liquid level controller |
| 07/12/2006 | CN2795918Y 水位控制器 Water Level Controller |
| 07/12/2006 | CN2795917Y Computer metering directly drinking water table controller |
| 07/12/2006 | CN2795302Y Novel drinking water storage tank |
| 07/11/2006 | US7073342 Constant temperature liquid circulating apparatus |
| 07/06/2006 | WO2006070032A1 Automated system and method for examining the transport properties of fluids in porous materials |
| 07/06/2006 | DE202005017195U1 Closure unit controlling device for fluid container, has sensor device arranged in direct proximity of edges of fluid container, such that sensor device is activatable by fluid level or by operating person |
| 07/05/2006 | CN2793789Y 液位控制器 Level Controller |
| 07/05/2006 | CN2793703Y Water level sensor of boiler |
| 07/05/2006 | CN1796675A Indoor installation by using recycled middle water to wash out water closet |
| 07/04/2006 | US7072744 Turbine apparatus and governor for turbine |
| 06/28/2006 | CN2791125Y Domestic automatic water-saving device |
| 06/28/2006 | CN2791123Y Ecological water-storage tank |
| 06/27/2006 | US7067935 Method for regulating the level of a dam installation and dam installation implementing the method |
| 06/21/2006 | CN2788685Y Cup for blind people |
| 06/21/2006 | CN1790211A Self-pressure blocking type automatic liquid control switch |
| 06/14/2006 | CN2788236Y Mechanical water level auto controller |
| 06/14/2006 | CN2788235Y Infrared material level controller |
| 06/14/2006 | CN2787736Y Automatic water supply apparatus |
| 06/14/2006 | CN1786359A Domestic water saving system |
| 06/07/2006 | CN2786680Y Device for ultrasonic measuring and controlling liquid level |
| 06/07/2006 | CN2786679Y Liquid level electric control equipment |
| 06/07/2006 | CN2786209Y Household automatic water saving device |
| 06/06/2006 | US7055559 Distributed control architecture for dispensing particulate material into a fluid medium |
| 05/31/2006 | CN2784826Y Water level controller of solar water heater |
| 05/31/2006 | CN2784481Y Controlling means adapted for multiple water-saving type toilet seat with different zone bits |
| 05/31/2006 | CN2784478Y Water-saving cistern for toilet seat |
| 05/30/2006 | US7053341 Method and apparatus for drum level control for drum-type boilers |
| 05/26/2006 | WO2006053726A1 Method and device for controlling a filling process when liquid or pasty products are filled into individual containers |
| 05/24/2006 | CN2783388Y Intelligent water level controller |
| 05/24/2006 | CN2781996Y Safety water saving and energy saving bathtub |
| 05/24/2006 | CN1776557A Combined material level controller |
| 05/23/2006 | US7047832 Apparatus for measuring gas exchange |
| 05/17/2006 | CN2781433Y Water level controller |
| 05/17/2006 | CN2781432Y Automatic power switch of water tower |
| 05/17/2006 | CN2781428Y Water supply-automatic control box |
| 05/17/2006 | CN2780853Y Purification, treatment reusing device for sewage |
| 05/11/2006 | US20060096639 Condensate drain tray connector |
| 05/10/2006 | CN2779463Y Electrothermal water heater with automatic control of water discharge |
| 05/10/2006 | CN2779314Y Water-level automatic control device for solar water heater |
| 05/10/2006 | CN2778682Y Liquid level adjusting device for germ-free beverage canning machine |
| 05/10/2006 | CN1770049A Magnetron for water tank |
| 05/04/2006 | CA2584234A1 Continuous chemical feeder and method of use thereof |
| 05/03/2006 | CN2777612Y Display type liquid level controller capable of setting liquid level |
| 05/03/2006 | CN2777072Y Wastewater reuse type water supply apparatus |
| 04/27/2006 | DE102004050169A1 Verfahren zur rechnerunterstützten Verfolgung von Materialchargen A method for computer-aided tracking of material batches |
| 04/26/2006 | CN2775718Y Automatic controller for water tower level |
| 04/26/2006 | CN2775152Y Civil water supply and waste water reusing device |
| 04/26/2006 | CN1763677A Intelligent discharging control system of jig |
| 04/21/2006 | CA2508184A1 Liquid level controller with manual tripping device |
| 04/19/2006 | EP1208431B1 Electro-statically shielded processing module |
| 04/19/2006 | CN2773766Y Water level controller |
| 04/19/2006 | CN2773765Y Pumping controller of automatic-protecting electric motor |
| 04/19/2006 | CN2773764Y Automatic water-supply alarming device of emulsion tank |
| 04/19/2006 | CN2773189Y Water storage tank for preventing water from emitting with linked nozzle |
| 04/18/2006 | US7028700 Method and apparatus for level control in a water tank of a fuel reformer |
| 04/12/2006 | CN2771912Y Water making-up system |
| 04/12/2006 | CN2771338Y New-type toilet closet |
| 04/12/2006 | CN2771320Y Domestic life dirtwater treating-recovering-utilizing apparatus |
| 04/12/2006 | CN2771317Y Energy-saving water-saving special implement |
| 04/12/2006 | CN2771314Y Microcomputer-controlled suction-life-less negative-pressure-less pipe network supercharging apparatus |
| 04/12/2006 | CN2771313Y Fully-automatic high-pressure circulating water tank |
| 04/12/2006 | CN1758168A Apparatus for controlling refrigerant level |
| 03/29/2006 | CN2768057Y Electronic water level controller |
| 03/29/2006 | CN1248077C Solid-state liquid sensor and pump controller |
| 03/28/2006 | US7017624 System and method for dispensing particulate material into a fluid medium |
| 03/22/2006 | EP1636129A2 Measurement of molten sulfur level in receptacles |
| 03/22/2006 | CN2765950Y Domestic wastewater secondary utilization device |
| 03/22/2006 | CN2765949Y Toilet water conservation system device for multistoried building |
| 03/22/2006 | CN2765945Y Water storage tank |
| 03/22/2006 | CN1749893A Solar energy and heat pump united heat collecting computer control system |
| 03/21/2006 | US7015819 Event notification system and wet well monitor |
| 03/16/2006 | US20060058897 On-vehicle power supplying apparatus with two power supplies |
| 03/16/2006 | DE4425706B4 Vorrichtung zur Erzeugung einer Lösung für die Regeneration eines Betts von einem Aufbereitungsmittel für Flüssigkeiten An apparatus for producing a solution for the regeneration of a bed of a processing agent for liquids |
| 03/15/2006 | CN2765235Y Water level controller for water tank |
| 03/15/2006 | CN2765233Y Microcomputer water pump controller |
| 03/15/2006 | CN2764823Y Normal pressure totally encapsulated multi-purpose combined type sanitation water supplying tank |
| 03/15/2006 | CN1746802A Automatic adjusted and liftable weir door |
| 03/15/2006 | CN1746440A Household saving and backwater device |
| 03/08/2006 | CN2763864Y Water supply alarm self cut off device |
| 03/08/2006 | CN1743573A Apparatus for automatic supplying water to toilet tank utilizing waste water |
| 03/02/2006 | DE10155595B4 Verfahren und Vorrichtung zur Überwachung eines Vorrats eines Fluids in einem Gefäß Method and apparatus for monitoring a supply of a fluid in a vessel |
| 03/01/2006 | CN2762199Y Automatic controller for water-level of pasture water tower |
| 03/01/2006 | CN1244036C Glass bulb slurry level-concentration control system |
| 02/28/2006 | US7006899 Electrical load controlling device |
| 02/22/2006 | EP1627965A1 Toilet with rinsing device within the toilet pot |
| 02/22/2006 | CN2760519Y Water level sensor and water-tower water level control device |
| 02/21/2006 | US7001082 Optical connector |
| 02/21/2006 | US7000628 Electronic air separation system |
| 02/15/2006 | CN2758837Y Alarm for storehouse full |
| 02/14/2006 | US6998990 Auto shutoff overflow controller |
| 02/08/2006 | EP1623147A2 Booster-powered valve system |
| 02/08/2006 | CN1241081C Automatic-open switch for controlling water supply |
| 02/02/2006 | US20060025892 Digital power supply controller with voltage positioning |
| 02/02/2006 | DE102004033052A1 Anordnung zur Erfassung und Anzeige eines Flüssigkeitsvolumens und Verwendung der Anordnung Arrangement for detection and display of a fluid volume and use of the arrangement |
| 02/01/2006 | EP1620770A2 Apparatus and method for fluid flow control |
| 02/01/2006 | CN2755659Y Automatic level controller of water tower with wireless remote control |
| 02/01/2006 | CN2755658Y Automatic continuous closed-ring control system of water pump revolution for industrial boiler |