| Patents for G05D 11 - Ratio control (5,344) |
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| 05/08/2003 | CA2465537A1 Soil and topography surveying |
| 05/07/2003 | EP1307799A1 Dosing valve |
| 05/06/2003 | US6560544 Method for monitoring a mixture |
| 05/02/2003 | EP1305107A2 Method and apparatus for blending process materials |
| 05/01/2003 | WO2002101474A3 Flow control systems |
| 05/01/2003 | US20030083819 Soil and topography surveying |
| 04/29/2003 | US6554162 System and method for accurately blending fluids |
| 04/24/2003 | WO2003034170A1 Method and apparatus for controlling the operation of stock preparation of a paper machine |
| 04/23/2003 | EP1102624B1 Mixing apparatus |
| 04/23/2003 | EP0958118B1 Gravimetric blender |
| 04/23/2003 | EP0789863B1 In-line venturi |
| 04/17/2003 | WO2002040178A9 High flow/low flow mixing and dispensing apparatus |
| 04/17/2003 | US20030072208 Automated cement mixing system |
| 04/17/2003 | US20030071062 Termite control system with multi-fluid proportion metering and batch signal metering |
| 04/16/2003 | EP0886513B1 Compounding assembly for nutritional fluids |
| 04/16/2003 | CN1105956C On-line control of chemical process plant |
| 04/03/2003 | WO2003027000A2 Multiple flow rate eductive dispenser |
| 04/03/2003 | US20030065417 Methods for engineering and manufacturing score-line-crack- resistant linerboard |
| 04/02/2003 | EP1297254A1 Proportioning pump for introducing an additive in a fluid stream |
| 04/02/2003 | EP1054834B1 Fluid system and method utilizing a master meter and blend ratio meter |
| 04/02/2003 | CN1407912A Electronic plural component proportioner |
| 03/27/2003 | WO2002078103A3 Control of multiple fuel cell power plant |
| 03/27/2003 | US20030056841 Multiple flow rate eductive dispenser |
| 03/26/2003 | EP1294475A1 Process and dispensing system for preparing liquid concentrates for plastics |
| 03/26/2003 | CN1103626C System for diluting ultrapure chemicals which is intended for microelectronics industry |
| 03/25/2003 | US6536456 Automatically switching valve with remote signaling |
| 03/20/2003 | US20030052289 Fueldraulic pintle valve |
| 03/20/2003 | US20030052007 Mixing two fluids at low flow rates |
| 03/19/2003 | EP1183208B1 Fluid mixing apparatus |
| 03/18/2003 | US6533449 Apparatus and process for the continuous preparation of a fluid, utilizing a fluid recycling means including a buffer |
| 03/18/2003 | US6532978 Method and device for regulating individual sub-flows of a system for conveying fluid media |
| 03/06/2003 | WO2002082509A8 Chemical concentration control device |
| 03/06/2003 | US20030042207 Venturi feeder bypass and control |
| 03/06/2003 | DE20219318U1 Valve drive for fluid mixing system has rotatable cam bearing on lever with rod moving spring-loaded valve body fitting into valve seat |
| 03/04/2003 | US6527018 Method and system for optimizing batch process of preparing solution |
| 02/27/2003 | WO2003016225A1 Venturi feeder bypass and control |
| 02/27/2003 | US20030040897 Man machine interface for power management control systems |
| 02/27/2003 | US20030037829 Device for the dilution and application of liquids |
| 02/26/2003 | EP1286239A2 Method and system for controlling the concentration of a component in a composition with absorption spectroscopy |
| 02/25/2003 | US6523559 Self-regulating microfluidic device and method of using the same |
| 02/18/2003 | US6520747 System for measuring change in fluid flow rate within a line |
| 02/13/2003 | WO2003011460A2 Self-regulating microfluidic device and method of using the same |
| 02/13/2003 | CA2455168A1 Self-regulating microfluidic device and method of using the same |
| 02/11/2003 | US6516826 Hydraulic flow valve |
| 02/05/2003 | EP1140337B1 Apparatus for dispensing predetermined proportions of liquids of different specific weights contained in the same tank |
| 01/30/2003 | US20030023349 Production apparatus that detects irregularities in a mounting line and controls power consumption, and a control method and control program for the production apparatus |
| 01/30/2003 | US20030020907 Methods and systems for controlling the concentration of a component in a composition with absorption spectroscopy |
| 01/30/2003 | US20030019520 Self-regulating microfluidic device and method of using the same |
| 01/23/2003 | WO2003006715A1 Methods and apparatus for controlling an amount of a chemical constituent of an electrochemical bath |
| 01/23/2003 | US20030015547 Electronic plural component proportioner |
| 01/23/2003 | US20030015417 Pulsed Cyclic Galvanostatic Analysis method for extrapolatively calculating concentration; Plating potentials between reference and test electrodes are measured and plotted; organic additives to control copper electroplating |
| 01/22/2003 | EP1133448B1 Method for determining the dosages of water treatment products |
| 01/22/2003 | EP1111999B1 Method and apparatus for producing a dairy product |
| 01/07/2003 | US6505134 Method of calibrating a single meter blending fuel dispensing system |
| 01/02/2003 | US20030000575 Hydraulic flow valve |
| 01/02/2003 | EP1270502A2 System and method for accurately blending fluids |
| 12/31/2002 | CA2231881C Proportioning valve and control means therefor |
| 12/26/2002 | US20020198628 Apparatus and method for error prevention and pathfinding |
| 12/26/2002 | US20020195344 Combined electroosmotic and pressure driven flow system |
| 12/19/2002 | WO2002101474A2 Flow control systems |
| 12/19/2002 | US20020193912 Method and apparatus for measuring energy consumed during plastic deformation in multi-ply board systems |
| 12/19/2002 | US20020192085 Proportioning pump for introducing an additive in a fluid stream |
| 12/19/2002 | US20020189947 Electroosmotically generated flow component in conjunction with a pressure driven flow component to modulate fluid flow |
| 12/17/2002 | US6494961 Method of controlling solution concentration in strip cleaning line |
| 12/12/2002 | WO2002099551A1 Steam to carbon ratio control in steam reforming of hydrocarbons |
| 12/10/2002 | US6491890 Method and set for continuous long-term dosing of CO2 |
| 12/10/2002 | US6491421 Fluid mixing system |
| 12/05/2002 | US20020179144 Mixing valve with graduated temperature modulation |
| 12/05/2002 | US20020178806 Steam to carbon ratio control in steam reforming of hydrocarbons |
| 12/04/2002 | EP1261418A1 Electronic plural component proportioner |
| 12/03/2002 | US6490035 Mixing apparatus |
| 11/28/2002 | US20020175183 System and method for accurately blending fluids |
| 11/26/2002 | US6485272 Fluid proportioner |
| 11/24/2002 | CA2386433A1 System and method for accurately blending fluids |
| 11/21/2002 | WO2002093506A1 Improved fluid metering device |
| 11/21/2002 | WO2002069066A3 Method and apparatus for adding an additive to a fluid |
| 11/21/2002 | US20020170919 Plural component dispensing apparatus |
| 11/20/2002 | EP1258791A1 Method for a secure mixing of two fluids and application trhereof to a misting process in a cereal silo |
| 11/20/2002 | EP1257788A1 Plural component dispensing apparatus |
| 11/14/2002 | US20020169523 Control of multiple fuel cell power plants at a site to provide a distributed resource in a utility grid |
| 11/14/2002 | US20020166586 Fluid metering device |
| 11/12/2002 | CA2196785C Liquid enzyme doser |
| 11/05/2002 | US6475363 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis |
| 11/05/2002 | US6474372 Weighing apparatus |
| 10/31/2002 | WO2002086239A1 Method and system in control of coating colour recipe |
| 10/31/2002 | WO2002085506A1 Apparatus for controllably mixing and delivering diluted solution |
| 10/31/2002 | WO2002040178A3 High flow/low flow mixing and dispensing apparatus |
| 10/31/2002 | CA2443955A1 Method and system in control of coating colour recipe |
| 10/30/2002 | EP0775306B1 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis |
| 10/24/2002 | WO2002084422A2 System and method for dividing flow |
| 10/24/2002 | US20020154567 Apparatus for controllably mixing and delivering diluted solution |
| 10/23/2002 | EP1250894A1 Dosing device for feeding disinfectant |
| 10/23/2002 | EP1250634A2 System and apparatus for proportioning fluid flow |
| 10/17/2002 | WO2002082509A1 Chemical concentration control device |
| 10/15/2002 | US6463941 Concentration control apparatus of liquid chemical |
| 10/10/2002 | WO2002079888A1 Dual solid chemical feed system |
| 10/10/2002 | WO2002079544A1 Method of controlling solution concentration in strip cleaning line |
| 10/10/2002 | US20020144727 Chemical concentration control device |
| 10/03/2002 | WO2002078103A2 Control of multiple fuel cell power plant |
| 10/03/2002 | US20020139397 Aluminum strip is contacted with acid solution while passing through acid cleaning bath and concentration of acid in bath is adjusted by adding either concentrated acid or water to bath |