| Patents for G05D 11 - Ratio control (5,344) |
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| 11/19/1991 | US5065903 Fluid delivery system for controlling fluid flow |
| 11/13/1991 | EP0455738A1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio. |
| 10/31/1991 | WO1991016769A1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |
| 10/31/1991 | DE4013460A1 Accurate pref. computer-controlled flow control - has pipe carrying one material variable in position w.r.t. hopper-shaped rotary part carrying another |
| 10/30/1991 | EP0454040A2 Volumetric proportioner particularly useful in prepearing dye recipes for industrial dyeing |
| 10/30/1991 | CN1055830A Adaptive-block-lenght, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |
| 10/30/1991 | CN1014544B Automatically operating valve for adjusting water flow and tap naving this valve |
| 10/29/1991 | CA1291339C Device for dosing a flowing fluid |
| 10/24/1991 | DE4012926A1 Fuel pump delivering fuel or fuel-oil mixture - separately meters delivered fuel and added oil |
| 10/22/1991 | US5058768 Methods and apparatus for dispensing plural fluids in a precise proportion |
| 10/17/1991 | WO1991015719A1 Monitor-control systems and methods for monitoring and controlling atmospheres in containers for respiring perishables |
| 10/08/1991 | US5056034 Method and apparatus for controlling the gas content of foam materials |
| 10/08/1991 | CA1290150C Cosmetic dispensing system |
| 09/25/1991 | EP0447495A1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio. |
| 09/24/1991 | US5050781 Device for dosing a liquid contained in a first chamber and for transferring small doses thereof into a fluid flowing in a second chamber |
| 09/18/1991 | CN1013926B Control of suspension density using radiation source |
| 08/28/1991 | EP0443837A2 Method and apparatus for beverage blending and proportioning |
| 08/27/1991 | US5042523 Liquid proportioning system |
| 08/27/1991 | US5042209 Process for charging a carrier gas stream with a free-flowing material and process for operating the device |
| 08/27/1991 | CA1287981C Gas generating device and related method |
| 08/21/1991 | EP0441839A1 Control system and method for chemical injectors |
| 08/21/1991 | CN1053947A Automatically operating valve for regulating water flow and faucet provided with said valve |
| 08/21/1991 | CN1053946A Automatically operating valve for regulating water flow and faucet provided with said valve |
| 08/13/1991 | US5038971 Variable blending dispenser |
| 07/24/1991 | EP0334874B1 Device for metering at least two flowable reaction components into a mixing chamber |
| 07/23/1991 | US5033644 Precision dispensing of varying viscosity fluids in a prescribed mix ratio |
| 07/16/1991 | US5033004 Method and system for blending coal and other natural resources |
| 07/16/1991 | US5032058 Calibrated fluid injection system |
| 07/16/1991 | CA2007859A1 Sprinkler system fertilization regulator |
| 07/11/1991 | WO1991010177A1 Method and device for the consideration of varying volume and flow in the control of a continuous flow process |
| 07/11/1991 | DE4100255A1 Maintaining constant solid to liq. ratio in moving sludge - by computer-controlled injection of corrective mixt. of same materials |
| 07/03/1991 | CN1013028B Additive-feeding device for flowing fluid |
| 07/02/1991 | US5029100 Blender system for fuel dispenser |
| 06/25/1991 | US5025954 Multi-components measuring and dispensing system |
| 06/25/1991 | CA1285141C Adjustable ration mixing valve |
| 06/19/1991 | EP0433041A2 A fuel dispenser system |
| 06/19/1991 | EP0432673A2 Mobile apparatus for producing active water-based solutions |
| 06/05/1991 | EP0430753A2 Method for determining the optimal variable/properties relation in a process or a composition |
| 06/04/1991 | US5020917 Cleaning solution mixing and metering system |
| 05/29/1991 | EP0428873A2 Method and apparatus for controlling the gas content of foam materials |
| 05/29/1991 | CN2078018U Resistance type detected alarm for matched proportion density |
| 05/28/1991 | US5019515 Method of controlling and optimizing industrial processes for the manufacture of textile finishing and improving agents via flow injection analysis |
| 05/21/1991 | US5016824 Method and apparatus for controlling the production of thermomechanical pulp |
| 05/15/1991 | EP0426819A1 Multiflavor beverage dispenser control valve assembly and ratio control system therefor |
| 05/02/1991 | EP0424503A1 Multiphase process mixing and measuring system |
| 04/24/1991 | EP0424259A1 Process for the improvement of the sulphur yield of a sulphur production unit fed with a hydrogen sulphide containing acid gas |
| 04/24/1991 | EP0423850A2 Automatic powder feeding apparatus |
| 04/23/1991 | US5009244 Fire fighting foam mixing system |
| 04/21/1991 | CA2027222A1 Calibrated fluid injection system |
| 04/20/1991 | WO1991005733A1 Process for the improvement of the sulphur yield of a sulphur production assembly which includes a sulphur plant and an oxidation and hydrolysis unit with a purification unit using a gas containing h2s |
| 04/18/1991 | DE4032337A1 Gas mixt. prepn. appts. |
| 04/10/1991 | EP0421378A1 Automatic solution dispensing apparatus |
| 04/03/1991 | EP0420181A2 Method and apparatus for metering and mixing noncompressible and compressible fluids |
| 04/03/1991 | EP0420146A1 Variable blending dispenser |
| 04/03/1991 | CN1050339A Automatic proportioning device for powder materials |
| 04/02/1991 | US5004152 Acoustic monitoring of two phase feed nozzles |
| 03/28/1991 | CA2026298A1 Method and apparatus for metering and mixing non-compressible and compressible fluids |
| 03/27/1991 | EP0418245A1 Gas blending apparatus. |
| 03/20/1991 | EP0200756B1 Electronically-controlled gas blending device |
| 02/19/1991 | US4993634 Programmable chemical application system |
| 02/19/1991 | US4993594 Manually-operable |
| 02/19/1991 | US4993365 Flow rate meter and automatic animal feeder installation employing such flow meter |
| 02/19/1991 | CA1280282C Method and apparatus for controlling the gas content of dispensed hot melt thermoplastic adhesive foam |
| 02/13/1991 | EP0412225A1 A device for measuring by displacement, an exact micro dose of a fluid to be analysed from a totally filled capillary tube closed at one end and flushing such dose into a cuvette by means of an exactly measured dose of a reagent fluid |
| 01/29/1991 | US4987916 Liquid flow control device |
| 01/29/1991 | US4987854 Apparatus for gas-aided dispensing of liquid materials |
| 01/24/1991 | DE3923241A1 Automatic quality control in granules - system tests samples and diverts material outside tolerance to separate containers and mixes it with fresh material |
| 01/15/1991 | US4985126 Apparatus and process for continuously monitoring concentrations of gaseous components in gas mixtures, with exception of O2 |
| 01/09/1991 | CN1011162B Automatical continuous proportional water sampler |
| 01/08/1991 | US4982755 Liquid tank |
| 12/25/1990 | US4979639 Beverage dispenser control valve and ratio control method therefor |
| 12/18/1990 | US4979091 Control of a blending system |
| 12/13/1990 | DE3918570A1 Fuel tank IC engine - has additive dosing section, e.g. for catalytic additive, controlled according to fuel throughput in filler |
| 12/11/1990 | US4976377 Liquid and powder measuring apparatus |
| 12/04/1990 | US4974634 Liquid fertilizer metering system |
| 11/24/1990 | WO1990014303A1 Multiflavor beverage dispenser control valve assembly and ratio control system therefor |
| 11/24/1990 | CA2033099A1 Multiflavor beverage dispenser control valve assembly and ratio control system therefor |
| 11/22/1990 | EP0397797A1 Cosmetic dispensing system. |
| 11/20/1990 | US4971106 Automatically operating valve for regulating water flow and faucet provided with said valve |
| 11/20/1990 | US4971105 Hydraulic fluid injection apparatus |
| 11/15/1990 | WO1990013511A1 Gas blending apparatus |
| 11/13/1990 | US4969480 Method and apparatus for mixing and supplying fountain solution to printing press |
| 11/13/1990 | CA1276263C System for controlling mass flow rates of two gases |
| 11/07/1990 | CN1046803A Method regulating level of mixture of flowable material in container having outlet |
| 11/06/1990 | WO1990013859A1 Multiphase process mixing and measuring system |
| 11/06/1990 | US4967794 Automatically operating valve for regulating water flow and faucet provided with said valve |
| 10/31/1990 | EP0394869A2 Method for controlling the level of a mixture consisting of at least two components of fluid material in a container with an outlet |
| 10/31/1990 | CN1010222B Post-mix method and system for supply of powderized materials |
| 10/23/1990 | US4964732 Method for continuously producing a flowable mixture |
| 10/23/1990 | CA1275467C Method and apparatus for controlling the density of a foam |
| 10/18/1990 | WO1990011964A1 Precision dispensing of varying viscosity fluids in a prescribed mix ratio |
| 10/18/1990 | WO1990011960A1 Methods and apparatus for dispensing plural fluids in a precise proportion |
| 10/12/1990 | CA2013819A1 Mixing an additive into a liquid supply |
| 10/09/1990 | US4961887 Batch control system and process for insulating a metallic rod |
| 09/26/1990 | CN1009768B Raw meal composition charge ratio autocontrol system for vertical furnance |
| 09/19/1990 | EP0387477A1 Method for preparing fixed amounts of mixed drinks, and device for carrying out the method |
| 09/11/1990 | US4955535 Automatically operating valve for regulating water flow and faucet provided with said valve |
| 08/09/1990 | WO1990009064A1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio |
| 08/09/1990 | WO1990009022A1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio |
| 08/01/1990 | CN1044352A Apparatus and operating method of stream carrier for carrying flow material |