Patents for G05D 11 - Ratio control (5,344)
10/2002
10/02/2002EP1245287A2 Method for reblending sand
10/02/2002DE10111730A1 Vorrichtung und Verfahren zum Mischen von Substanzen Device and method for mixing substances
09/2002
09/25/2002EP1001842B1 Machine for filling the edge joints of insulating glass panes with a sealing compound consisting of two constituents
09/24/2002US6456903 Automatic foam solution regulation for compressed-air-foam-systems
09/24/2002US6454540 Modular balanced foam flow system
09/24/2002US6453927 Method and apparatus for precisely dispensing liquids
09/19/2002WO2002073142A1 Device and method for mixing substances
09/19/2002US20020130666 Method and apparatus for measurement and automatic control of acid concentration
09/19/2002DE10112085A1 Device used in water treatment for dosing substances into a liquid stream, comprises a reservoir holding a substance solution, a dosing channel for the liquid stream, and a microporous separating wall
09/17/2002US6450374 High flow/low flow mixing and dispensing apparatus
09/17/2002US6450369 Beverage dispenser
09/12/2002US20020128748 Configurable switchgear system
09/06/2002WO2002069066A2 Method and apparatus for adding an additive to a fluid
09/06/2002WO2002068109A1 A method for injecting an additive into a pressurized fluid system
09/05/2002US20020121464 Method for reblending sand
08/2002
08/27/2002US6439252 Liquid de-icer production apparatus and method
08/13/2002US6431198 Pumping system for the injection of measured quantities of fluid into a fluid stream
08/08/2002WO2002008907A3 Multiple block sequential memory management
08/08/2002DE10103854A1 Messvorrichtung und Verfahren zur Ermittlung eines kontinuierlichen Massenstroms von fliessfähigen Gütern Measuring apparatus and method for determining a continuous mass flow of flowable materials
08/06/2002US6427713 Mixing valve with graduated temperature modulation
07/2002
07/25/2002US20020098096 Fluid proportioner
07/18/2002US20020093875 Fluid mixing system
07/16/2002US6418958 Dual solid chemical feed system
07/16/2002US6418954 System and method for dividing flow
07/11/2002US20020088497 System for measuring change in fluid flow rate within a line
07/09/2002US6415808 Apparatus and method for controllably delivering fluid to a second fluid stream
07/09/2002CA2068384C Automobile fluids dispensing and blending system
06/2002
06/27/2002US20020082748 Utility monitoring and control systems
06/27/2002US20020082727 SPA controller computer interface
06/27/2002US20020081237 On-site generation of ultra-high-purity buffered-HF and ammonium fluoride
06/27/2002US20020079478 Bubbling purified ammonia vapor into ultra-pure hydrofluoric acid and directly supplying to points of use in semiconductor fabrication facility
06/20/2002US20020074055 Weighing apparatus
06/13/2002WO2002009859A3 Method and apparatus for blending process materials
06/13/2002US20020070248 High flow/low flow mixing and dispensing apparatus
06/12/2002CN1353670A Fluid mixing apparatus
06/11/2002US6402363 Weigh scale blender
06/06/2002WO2002044517A1 Fluid mixing system
06/05/2002EP0930996B1 Octane sensitive dispenser blending system
05/2002
05/29/2002EP1209452A1 Weighing apparatus
05/28/2002US6396280 Method and apparatus for measurement and automatic control of acid concentration
05/24/2002CA2327927A1 Termite control system with multi-fluid proportion metering and batch signal metering
05/23/2002WO2002040178A2 High flow/low flow mixing and dispensing apparatus
05/14/2002US6387157 Circulation; using separation ebrane
05/07/2002CA2727878A1 Portable spa controller interface
04/2002
04/30/2002US6379632 Concentrated disinfectant solution is injected into the disinfectant solution tank where concentration is controlled
04/25/2002WO2002033499A1 Method of and system for controlling the ratio of a variable lead parameter and an adjustable lag parameter for a lag-lead process
04/25/2002US20020048213 Method and apparatus for blending process materials
04/25/2002US20020046769 Divider-combiner valve
04/25/2002CA2425577A1 Method of and system for controlling the ratio of a variable lead parameter and an adjustable lag parameter for a lag-lead process
04/18/2002WO2002030683A1 Paint toning machine
04/18/2002US20020044494 Process for the continuous production of mixtures of substances and reaction mixtures and device for its implementation
04/17/2002EP0746383B1 Compressed air foam system
04/16/2002US6371150 Flow dividing valve
04/11/2002DE10048513A1 Verfahren zur kontinuierlichen Herstellung von Stoff- und Reaktionsgemischen und Vorrichtung zu seiner Durchführung A process for the continuous production of material and reaction mixtures and device for its implementation
04/10/2002EP1194825A1 A method and a system for controlling a heating plant
04/10/2002EP1194822A1 Annular fluid manipulation in lined tubular systems to enhance component mechanical properties and flow integrity
04/04/2002WO2002026459A1 Method for the continuous production of mixtures of substances and reaction mixtures and a device for carrying out said method
04/04/2002US20020038669 Gas-line system for semiconductor-manufacturing apparatus
03/2002
03/28/2002US20020036950 Process and dispensing system for preparing liquid concentrates for plastics
03/21/2002WO2002022246A1 System and method for mixture optimization
03/21/2002US20020034122 Conductivity feedback control system for slurry blending
03/19/2002US6357466 Pumping system for the injection of measured quantities of fluid into a fluid stream
03/14/2002US20020029800 Multiple block sequential memory management
03/14/2002DE10043380A1 Apparatus and method for continuous measurement and control of the solids content of aqueous slurries involve delay-free pressure measurement by means of erosion and corrosion resistant sensors
03/13/2002EP1185911A1 Method for controlling the optimal dosing quantity of additives to continuously flowing fluids
03/12/2002US6355150 Analyzer for measuring H2S and its use for a sulfur oxidation reactor
03/12/2002CA2154173C Modular fluid characteristic sensor and additive controller
03/07/2002US20020026963 Method and system for optimizing batch process of preparing solution
03/06/2002EP1183208A1 Fluid mixing apparatus
03/06/2002EP1183207A1 Dosing valve with flow rate sensor for a beverage dispenser
03/05/2002CA2340610C Encoder/decoder
03/05/2002CA2332407C Method for defining coding information
02/2002
02/26/2002US6351132 Miscible liquid capacitive sensing system
02/26/2002US6350425 Bubbling pure ammonia and hydrogen fluoride
02/21/2002WO2000077588A8 A method and a system for controlling a heating plant
02/21/2002US20020020462 Process and plant for the dynamic packaging of gases, especially those for medical use
02/21/2002US20020020444 Automatically switching valve with remote signaling
02/21/2002DE10039487A1 Testing head, used for gravimetric volume control of devices for dosing or pipetting liquids, comprises inlet region with cone having non-wettable surface for liquid to be controlled
02/20/2002CN1336570A Method and system for optimized prepn. in large scale of solutions
02/19/2002US6348124 Delivery of polishing agents in a wafer processing system
02/14/2002WO2002012971A1 Dosing valve
02/14/2002US20020017320 Pumping system for the injection of measured quantities of fluid into a fluid stream
02/07/2002WO2002009859A2 Method and apparatus for blending process materials
02/07/2002US20020014496 Method and apparatus for accurately dispensing liquids and solids
02/06/2002EP1177000A1 Method for passing a mixture of liquid through human and/or animal organs or extremities
02/05/2002US6343614 System for measuring change in fluid flow rate within a line
01/2002
01/31/2002WO2002008907A2 Multiple block sequential memory management
01/30/2002EP1175353A1 Apparatus for controlled venting of a chamber
01/29/2002US6342142 Sample injection, microchips and moving from channels
01/24/2002US20020008030 Apparatus and method for performing microfluidic manipulations for chemical analysis
01/24/2002DE10033339A1 Verfahren und Anlage zum Reinigen und/oder Desinfizieren von harten Oberflächen mit einem Schaum Method and apparatus for cleaning and / or disinfecting hard surfaces with a foam
01/23/2002EP1174178A1 Process and plant for dynamic gas conditioning, in particular for medical use
01/23/2002CN1078359C Management device of photoresists stripping liquid
01/17/2002WO2002005047A1 Method and unit for cleaning and/or disinfecting hard surfaces by means of a foam
01/10/2002WO2002002938A1 Proportioning pump for introducing an additive in a fluid stream
01/09/2002EP0830534B1 Gradient proportioning valve
01/03/2002WO2002000335A1 Process and dispensing system for preparing liquid concentrates for plastics
01/03/2002US20020001850 Method for automatically adjusting concentration of solution used in semiconductor manufacturing process
01/01/2002CA2059141C Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high quality audio
01/01/2002CA2036622C Method and apparatus for beverage blending and proportioning
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