| Patents for G05D 11 - Ratio control (5,344) |
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| 02/25/1997 | US5605252 Metering system for compressible fluids |
| 02/20/1997 | WO1997006476A1 Metering device with adjustable proportions and liquid dispensing positively controlled by slide valves |
| 02/12/1997 | CN2247350Y Blood medicine concentration controller for transfusion pump |
| 02/11/1997 | CA2072760C Method and apparatus for controlling temperature of a liquid |
| 02/05/1997 | EP0756559A1 Filling stream adjusting process |
| 02/05/1997 | EP0756558A1 Process and device for dosing free-flowing media |
| 02/04/1997 | US5600134 Method for preparing blend products |
| 02/04/1997 | US5598663 Meters for monitoring ph and electroconductivity connected to tanks of acid and alkali solutions, for accurately and automatically controlling nutrients supplied to growing plants |
| 02/04/1997 | CA2015178C Method regulating the level of a mixture of flowable material made up of at least two components in a container having an outlet |
| 01/26/1997 | CA2525662A1 Dosifying method and apparatus |
| 01/26/1997 | CA2525658A1 Dosifying method and apparatus |
| 01/14/1997 | US5592934 Anaesthetic vaporizer |
| 01/09/1997 | WO1997001183A1 Method for preparing blend products |
| 01/07/1997 | US5591409 Providing aromas |
| 01/07/1997 | US5590686 Liquid delivery systems |
| 01/07/1997 | US5590490 Hydroponic nutrient solution control system |
| 01/02/1997 | EP0751097A2 Water treatment system |
| 01/02/1997 | DE19523884A1 Mixer tap e.g. for domestic washing machine |
| 12/24/1996 | US5588088 Hot water tempering system utilizing a storage tank, a bypass line and a proportional flow controller |
| 12/17/1996 | US5586051 Chemical reactor feed control |
| 12/12/1996 | WO1996039651A1 System and method for on-site mixing of ultra-high-purity chemicals for semiconductor processing |
| 12/12/1996 | WO1996039650A1 Liquid enzyme doser |
| 12/11/1996 | EP0747305A1 Particulate material feeding apparatus and process |
| 12/11/1996 | EP0746383A1 Compressed air foam system |
| 12/08/1996 | CA2178463A1 Particulate material feeding apparatus and process |
| 11/28/1996 | DE19518913C1 Testing aerobic biodegrading of test materials |
| 11/27/1996 | EP0744682A1 Process and plant for treating a mixture of materials |
| 11/20/1996 | EP0397797B1 Cosmetic dispensing system |
| 11/20/1996 | CN1135934A 化学反应器进料控制 Chemical reactor feed control |
| 11/12/1996 | CA2115287C Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting equipment |
| 10/30/1996 | CN1134541A Controller and process for explosives mixing and loading |
| 10/29/1996 | USRE35362 Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting equipment |
| 10/29/1996 | US5569838 Process and device for measuring a gas medium with a chemical sensor |
| 10/24/1996 | WO1996033451A1 Chemical injection system |
| 10/22/1996 | CA2028469C Liquid proportioning system |
| 10/17/1996 | WO1996032668A1 Pressure balancing foam valve |
| 10/16/1996 | CN1133447A Material feeding control for chemical reactor |
| 10/01/1996 | US5560344 Fuel storage and delivey apparatus of a multi-fuel engine and process |
| 09/24/1996 | US5558435 System for mixing liquids |
| 09/11/1996 | CA2171364A1 Controller and process for explosives mixing and loading |
| 09/03/1996 | US5552171 Method of beverage blending and carbonation |
| 08/29/1996 | WO1996026474A1 Chemical blending system with titrator control |
| 08/29/1996 | WO1996026111A1 Process and device for dosing free-flowing media |
| 08/29/1996 | WO1996026110A1 Filling stream adjusting process |
| 08/29/1996 | WO1996026002A1 Additive blending system and method |
| 08/29/1996 | DE19608355A1 Automatic filling process with controlled delivery of viscous product |
| 08/29/1996 | DE19507817A1 Verfahren und Einrichtung zum Dosieren fließfähiger Medien Method and apparatus for metering flowable media |
| 08/29/1996 | CA2188537A1 Process and device for dosing free-flowing media |
| 08/29/1996 | CA2188532A1 Filling stream adjusting process |
| 08/28/1996 | EP0729085A1 Chemical reactor feed control |
| 08/28/1996 | EP0729084A1 Chemical reactor feed control |
| 08/22/1996 | WO1996025594A1 Optimization control for gas engines with a three-way catalyst |
| 08/21/1996 | EP0727661A1 Mixing liquids using electroosmotic flow |
| 08/14/1996 | EP0569444B1 Method and apparatus for dosing an additive during collection of liquid |
| 08/13/1996 | US5544674 Gas mixing apparatus for respirator |
| 08/08/1996 | WO1996023580A1 Method and apparatus for dosing and mixing liquid substances |
| 08/01/1996 | DE19501270A1 Modular controlled atmosphere system |
| 07/30/1996 | US5540251 Precision gas blender |
| 07/23/1996 | US5538027 For producing a differential pressure within a valve |
| 07/23/1996 | US5537993 Gas ratio control device for anestesia apparatus |
| 07/23/1996 | US5537914 Beverage blending and proportioning |
| 07/02/1996 | US5531218 Apparatus for the monitored metering of no into patients' respiratory air |
| 06/27/1996 | DE19542234A1 Duale, konzentrische Tellerventile, um das Verhältnis von zwei Fluidströmungen über einen Betriebsbereich einer Ventilöffnung im wesentlichen konstant zu halten Dual, concentric disc valves, to maintain the ratio of two fluid flows over an operating range of a valve opening is substantially constant |
| 06/19/1996 | EP0716879A2 Apparatus for blending chemical and diluent liquids |
| 06/18/1996 | US5527706 Two step calibration; coarse mixing ratio followed by more accurate ratio |
| 06/04/1996 | US5522660 Apparatus for blending and controlling the concentration of a liquid chemical in a diluent liquid |
| 05/29/1996 | EP0714054A2 Dosing and repartition device for cutting emulsion |
| 05/28/1996 | US5520969 Method for in-situ liquid flow rate estimation and verification |
| 05/23/1996 | WO1996015013A1 Vehicle treatment process and installation |
| 05/17/1996 | WO1996014611A1 In-line venturi |
| 05/03/1996 | WO1996014144A1 Method and apparatus for proportioning and mixing non-compressible and compressible fluids |
| 05/01/1996 | CN2226315Y AC frequency-change type auto-controller for adding chemicals |
| 04/24/1996 | EP0707863A1 Gas proportions control device for anesthetic apparatus |
| 04/18/1996 | DE4436767A1 Continuous dispensation of flowing products e.g. powder or fibrous or granular products in industrial production line |
| 04/10/1996 | EP0705457A1 Chemical injection system |
| 04/10/1996 | EP0507918B1 Method and apparatus for controlling temperature of a liquid |
| 04/09/1996 | US5505335 Liquid feed apparatus to prevent liquids from mixing and error in feed amount |
| 03/20/1996 | CN1118714A Apparatus for combining liquids |
| 03/19/1996 | US5500050 Dishwashers |
| 03/19/1996 | US5499745 Apparatus for mixing and dispensing two chemically reactive materials |
| 03/12/1996 | CA2048255C Anaesthetic vaporiser |
| 02/29/1996 | DE19531022A1 Fuel store and delivery device e.g. for multi-fuel diesel engine |
| 02/22/1996 | DE4430617A1 Controlled atmosphere for transportable boxes |
| 02/15/1996 | WO1996004547A1 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis |
| 02/13/1996 | US5490726 Apparatus for proportioning two components to form a mixture |
| 01/31/1996 | EP0694144A1 Method and means for addition of odour component to consumer gas |
| 01/24/1996 | EP0693721A1 Method and apparatus for measuring and stabilizing the proportional part of a liquid component |
| 01/16/1996 | US5484614 Method for adjusting the density of a liquid |
| 01/09/1996 | US5482368 Continuous mixer operable to control saccharides concentration |
| 01/09/1996 | US5481968 Apparatus for continuous multiple stream density or ratio control |
| 01/04/1996 | DE4437207C1 Gas-flow ratio regulation of anaesthetic gases |
| 01/03/1996 | EP0689476A1 Dosing system |
| 12/21/1995 | WO1995034851A1 Process for controlling the continuous metering of multiple additives into a product flow in sequence through a single flowmeter |
| 12/19/1995 | US5476115 Automatic gas blending system |
| 12/07/1995 | DE4419567A1 Automatic mixing and dispensing equipment for laboratory use and mfr. |
| 11/02/1995 | WO1995023366A3 Fuel additive metering system |
| 11/02/1995 | DE19512416A1 Method for monitoring metering accuracy in fluid handling installation |
| 10/17/1995 | US5458010 Vacuum dilution extraction gas sampling system |
| 10/05/1995 | WO1995026316A1 Method and apparatus for blending liquids |
| 10/03/1995 | US5454395 Fluid motor metering device |