| Patents for G05D 11 - Ratio control (5,344) | 
|---|
| 04/07/1993 | EP0535321A1 Method and device for controlling the mixing rate of a two-component coating material applied on a web | 
| 03/16/1993 | US5193594 In oil production | 
| 03/10/1993 | EP0530858A1 Flow rate control valve assembly | 
| 03/04/1993 | WO1993004361A1 Method of determining and controlling the concentration of active substances included for cleaning and disinfection purposes in aqueous cleaning and disinfection-agent solutions | 
| 03/04/1993 | CA2116226A1 Method for determining and controlling the concentration of active substances included for cleaning and disinfection in aqueous cleaning and disinfecting solutions | 
| 03/03/1993 | CN1069437A Method of welding and system therefor | 
| 02/25/1993 | DE4127663A1 Verfahren zum bestimmen und regeln der konzentration von wirkstoffen zur reinigung und desinfektion in waessrigen reinigungs- und desinfektionsmittelloesungen To determine methods and rules of the concentration of active ingredients for cleaning and disinfection in aqueous detergent and disinfectant loesungen | 
| 02/23/1993 | CA1313808C2 Thermostatic pressure balanced valve assembly | 
| 02/23/1993 | CA1313807C2 Thermostatic pressure balanced valve assembly | 
| 02/11/1993 | CA2074984A1 Method of welding and a system therefor | 
| 02/09/1993 | US5184943 Rolling diaphragm injection pump | 
| 01/27/1993 | EP0524264A1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder and decoder for high-quality audio. | 
| 01/12/1993 | US5178178 Valve assembly | 
| 01/07/1993 | WO1993000625A1 Computer-controlled, module type, multipurpose synthesizer | 
| 01/05/1993 | US5177693 Automatic solution mixing apparatus | 
| 12/29/1992 | US5174383 Apparatus and method for controlling the introduction of chemical foamant into water stream in fire-fighting equipment | 
| 11/25/1992 | EP0514949A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio | 
| 11/24/1992 | US5165442 Differential valve | 
| 11/19/1992 | EP0513860A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio | 
| 11/19/1992 | DE4201811A1 Liq. delivery and mixing appts. for accurate diluting hydrofluoric acid for wafer etching - has liq. height sensor in container, delivery means to chemical bath, and automatic liq. feed system for filling container from tank | 
| 11/17/1992 | US5163586 Automotive fuel additive dispensing and blending system | 
| 11/12/1992 | DE4115101A1 Dosierventil fuer schaummittel Metering valve for foaming agent | 
| 11/04/1992 | EP0511692A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio | 
| 10/29/1992 | DE4113618A1 Zumischeinrichtung einer feuerloescheinrichtung Admixing a Fire extinguish device | 
| 10/21/1992 | EP0509626A1 Fluid mixing apparatus with progressive valve means | 
| 10/21/1992 | EP0509167A1 Fire fighting foam mixing system | 
| 10/20/1992 | US5156301 Constant ratio post-mix beverage dispensing valve | 
| 10/14/1992 | EP0507918A1 Method and apparatus for controlling temperature of a liquid. | 
| 10/14/1992 | EP0507794A1 Method and device for the consideration of varying volume and flow in the control of a continuous flow process. | 
| 10/14/1992 | CN1065219A Automatic proportional controller | 
| 10/14/1992 | CN1018667B Automatically operating valve for regulating water flow and faucet provided with said valve | 
| 10/13/1992 | CA1308560C Post-mix method and system for supply of powderized materials | 
| 10/07/1992 | CN1018570B Water tap | 
| 09/16/1992 | EP0503996A1 Critical orifice dilution system and method | 
| 09/15/1992 | US5147612 Apparatus for preparation of standard gas mixtures | 
| 09/02/1992 | CA2062059A1 Critical orifice dilution apparatus and method | 
| 09/01/1992 | US5143257 System for proportioned liquid dispensing | 
| 08/25/1992 | US5141011 Liquid proportioner apparatus and method | 
| 08/25/1992 | CA1306609C2 Apparatus for injecting measured quantities of liquid into a fluid stream | 
| 08/20/1992 | WO1992013581A1 Method and apparatus for deforming and collecting a liquid | 
| 08/04/1992 | US5135684 Multiphase process mixing and measuring system | 
| 08/04/1992 | US5135174 Automatic micro-feeding system for applying multiple independent plant nutrients to irrigation systems | 
| 08/02/1992 | WO1992013582A1 Method and apparatus for dozing an additive at collection of liquid | 
| 08/02/1992 | CA2101444A1 Method and apparatus for dozing an additive at collection of liquid | 
| 07/28/1992 | US5133391 Method and arrangement for injecting additives | 
| 07/22/1992 | CN1062984A Microcompute metering control devcie of emulsion explosive loading vehicle | 
| 07/15/1992 | EP0494453A2 Method and apparatus for metering flow of a two-component dispensing system | 
| 07/12/1992 | CA2057948A1 Method and apparatus for metering flow of a two-component dispensing system | 
| 07/09/1992 | WO1992011082A1 Constant ratio post-mix beverage dispensing valve | 
| 07/08/1992 | EP0493537A1 Compact filling device for adjustable quantities of water for domestic use | 
| 07/07/1992 | US5127772 Method and apparatus for the control of suspension density by use of a radiation source | 
| 07/07/1992 | US5127547 Metering and dispensing apparatus | 
| 07/07/1992 | US5127450 Method and apparatus for regulating the level of a mixture of flowable material in a container | 
| 06/30/1992 | US5125533 Variable blending dispenser | 
| 06/23/1992 | CA1304142C Method and apparatus for controlling the production of thermal mechanical pulp | 
| 06/02/1992 | US5118008 Programmable additive controller | 
| 06/02/1992 | CA1302183C Flow rate meter and automatic animal feeder installation employing such flow meter | 
| 05/19/1992 | US5114752 Discharging a stream from a nozzle, directing a flow of gas | 
| 05/19/1992 | US5114630 Continuous manufacture and casting | 
| 05/13/1992 | EP0371066B1 Method and apparatus for controlling the production of refined stock | 
| 05/06/1992 | EP0483988A1 Method and arrangement for injecting additives | 
| 04/30/1992 | WO1992008178A1 Method and apparatus for controlling temperature of a liquid | 
| 04/29/1992 | EP0482579A1 Method and device for proportioning in particular a high viscous mixture with one or more components | 
| 04/28/1992 | US5109347 Computerized volumetric dispensing system | 
| 04/28/1992 | US5107893 Apparatus for handling agricultural chemicals | 
| 04/23/1992 | DE4133074A1 Dosing device for automatic liq. sample dilution - has pulse- or time-controlled single channel pump | 
| 04/23/1992 | DE4033582A1 Bulk material portion dispensing arrangement - is for one or more materials, e.g. rice, dried vegetables and has wt. and vol. dosing devices in series | 
| 04/21/1992 | US5105767 Computerized monitoring system for animal feed ration processing mills | 
| 04/15/1992 | EP0326581B1 Flowmeter for measuring volumetric flow | 
| 04/14/1992 | CA1298756C Pressure compensating device | 
| 04/01/1992 | EP0426819A4 Multiflavor beverage dispenser control valve assembly and ratio control system therefor | 
| 03/26/1992 | DE4030234A1 Air flow regulator for multistage premix burner - has air control flap operated by gas flow from multiple inlets | 
| 03/25/1992 | EP0466772A4 Methods and apparatus for dispensing plural fluids in a precise proportion | 
| 03/24/1992 | US5098666 Hydraulic chambers with hermetic seals, feeder pipes, storage containers and controllers | 
| 03/18/1992 | EP0475718A2 Method of controlling air-fuel ratio of a gas engine | 
| 03/17/1992 | US5095950 Fluid mixing apparatus with progressive valve means | 
| 03/10/1992 | US5094269 Liquid fertilizer metering system | 
| 03/04/1992 | EP0473424A2 Improvements in and relating to forming and dispensing single and multiple phase coating material containing fluid diluent | 
| 03/03/1992 | US5092377 Bucket and fluid-metering device therefor | 
| 03/01/1992 | CA2050373A1 Method & apparatus for forming and dispensing single and multiple phase coating material containing fluid diluent | 
| 02/25/1992 | US5091095 System for controlling drain system treatment using temperature and level sensing means | 
| 02/25/1992 | CA1296250C Method and apparatus for dispensing oil well proppant additive | 
| 02/19/1992 | CN1015575B Automatical ratio control system for applying glue to wood shavings | 
| 02/10/1992 | WO1992003771A1 Fluid additive regulating apparatus and method | 
| 02/10/1992 | CA2089071A1 Fluid additive regulating apparatus and method | 
| 02/06/1992 | WO1992001980A1 Compact filling device for adjustable quantities of water for domestic use | 
| 02/05/1992 | EP0469797A1 Anaesthetic vaporiser | 
| 02/04/1992 | US5085399 Automatically operating valve for regulating water flow and faucet provided with said valve | 
| 01/29/1992 | CN1058281A Continuous ratio automatic sampler for water quality flow | 
| 01/22/1992 | EP0466772A1 Methods and apparatus for dispensing plural fluids in a precise proportion | 
| 01/08/1992 | CN1057725A Magnifierless regulator of proportional valve for stuff flow of bell-less top of blast furnace | 
| 01/07/1992 | US5079727 Method and apparatus for carrying out a quality control | 
| 12/17/1991 | US5072853 Apparatus and technique for setting brix in a soft drink dispenser | 
| 12/11/1991 | EP0418245A4 Gas blending apparatus | 
| 12/10/1991 | US5071320 Control system and method for chemical injectors | 
| 12/05/1991 | DE4009067A1 Feeding aerosol into air flow, esp. for introducing allergens - using atomiser in mouthpiece controlled according to detected air flow via electronic controller | 
| 11/26/1991 | US5068116 Method for beverage blending and proportioning | 
| 11/26/1991 | US5067507 Liquid proportioner apparatus and method | 
| 11/21/1991 | EP0457431A2 Systems and methods for monitoring and controlling atmospheres in containers for respiring perishables | 
| 11/21/1991 | EP0397797A4 Cosmetic dispensing system |