| Patents for G05D 11 - Ratio control (5,344) |
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| 06/04/1998 | DE19650125A1 Verfahren und Anlage zur Bereitstellung von Druckpaste oder dergleichen, insbesondere zum Bedrucken von textilen Warenbahnen wie Teppichbahnen Method and apparatus for providing printing paste or the like, especially for printing on textile webs such as carpet |
| 05/28/1998 | WO1998022714A1 Vacuum liquid-gas jet apparatus |
| 05/20/1998 | DE19647186A1 Colour mixing for in-line application |
| 05/19/1998 | US5754423 Method and apparatus for preparing a mixture of materials |
| 05/12/1998 | US5749986 Control of batching and curing processes |
| 05/12/1998 | US5749684 Particulate material feeding apparatus and process |
| 05/07/1998 | DE19645695A1 Calibration unit for hydrogen-oxygen gas mixtures, for use e.g. on electrolytic gas plants |
| 05/06/1998 | EP0839599A1 Method and apparatus for controlling the constitution of the atmosphere of an enclosure |
| 05/05/1998 | USRE35780 Constant ratio post-mix beverage dispensing valve |
| 05/05/1998 | US5746806 Direct current voltage and ac current motors |
| 05/05/1998 | US5746241 Precision dispensing system |
| 04/30/1998 | DE19654726A1 Cybernetics substrate concentration monitoring and correction method for fluid circulation system of organic solutions |
| 04/28/1998 | CA2137943C Ratio feed detergent controller and method with automatic feed rate learning capability |
| 04/22/1998 | EP0836719A1 System and method for on-site mixing of ultra-high-purity chemicals for semiconductor processing |
| 04/16/1998 | WO1998015885A1 Ratio mixing valve and method for controlling dither in same |
| 04/16/1998 | WO1998015457A1 Octane sensitive dispenser blending system |
| 04/16/1998 | DE3891391C2 Modular pressure balanced valve assembly |
| 04/16/1998 | DE19641536A1 Sludge dewatering assembly with bleed supply of sludge and flocculant |
| 04/16/1998 | CA2255753A1 Octane sensitive dispenser blending system |
| 04/15/1998 | CN2278959Y Oil-water interface controller |
| 04/14/1998 | US5738772 In-line/on demand reaction delivery system and method |
| 04/08/1998 | EP0834788A1 Autonomous device for the flow control of a secondary fluid in relation to a primary fluid flow |
| 03/31/1998 | CA2109376C Method and apparatus for compensating for changes in viscosity in a two-component dispensing system |
| 03/25/1998 | EP0830534A1 Gradient proportioning valve |
| 03/19/1998 | WO1998007082A3 Apparatus and method for controlling output of an oxygen concentrator |
| 03/18/1998 | EP0828639A1 Vehicle treatment process and installation |
| 03/05/1998 | DE19635856A1 Suspension flow control element with control fluid supply |
| 03/04/1998 | EP0584052B1 System and method for producing and maintaining predetermined proportionate mixtures of fluids |
| 02/25/1998 | EP0824682A1 Viscosity maintenance |
| 02/25/1998 | CN1174343A Management device of photoetching film stripping liquid |
| 02/19/1998 | WO1998007082A2 Apparatus and method for controlling output of an oxygen concentrator |
| 02/19/1998 | WO1998007010A1 A dosage device |
| 02/19/1998 | CA2264107A1 Apparatus and method for controlling output of an oxygen concentrator |
| 02/18/1998 | EP0824021A1 Dialysis unit |
| 02/17/1998 | US5718255 Flow-responsive diverting valve |
| 02/11/1998 | EP0823679A1 Method and apparatus for measuring and adjustably controlling vapor-liquid mixing ratio at pipe junctions |
| 02/11/1998 | CN1172977A Method and apparatus for measuring and adjustably controlling vapor-liquid mixing radio at pipe junctions |
| 02/10/1998 | US5716038 Proportional flow control valve |
| 01/29/1998 | DE19629821A1 Method of adding fuel additive to vehicle fuel tank at re-fuelling esp for diesel-powered fork-lift truck |
| 01/28/1998 | EP0705457A4 Chemical injection system |
| 01/22/1998 | WO1998002791A1 Proportioning valve and control means therefor |
| 12/24/1997 | WO1997048481A1 PROCESS FOR REGULATING OR CONTROLLING THE NOx CONTENT OF EXHAUST GASES GIVEN OFF DURING THE OPERATING OF GLASS MELTING FURNACES WITH SEVERAL BURNERS RUN ALTERNATELY |
| 12/24/1997 | CN1168720A Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis |
| 12/17/1997 | EP0812645A2 Gas flow rate control device and brazing device with flow rate control for first and second gas |
| 12/11/1997 | DE19622551A1 Reducing nitrosamine formation during oast-drying of green malt for brewing |
| 12/10/1997 | EP0810901A1 Additive blending system and method |
| 12/03/1997 | EP0809823A1 Chemical blending system with titrator control |
| 12/03/1997 | EP0809754A1 Optimization control for gas engines with a three-way catalyst |
| 11/13/1997 | WO1997042468A1 Oil and gas metering and measuring device |
| 11/13/1997 | CA2253754A1 Oil and gas metering and measuring device |
| 11/12/1997 | CN1036380C Method and device for keeping inert protective gas in welding zone |
| 11/11/1997 | US5685334 For controlling the rate of flow increase of a fluid |
| 11/06/1997 | DE19617384A1 Regulator of mixt. ratio of two gas vol. flows through Venturi nozzle |
| 10/22/1997 | EP0775306A4 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis |
| 10/21/1997 | CA2050694C Method and appartus for controlling air-fuel ratio of gas engine |
| 10/16/1997 | WO1997037753A1 Sensing arrangement for sensing the addition of reactants to a solution |
| 10/14/1997 | US5677481 Viscosity maintenance |
| 10/14/1997 | US5676173 For use within a conduit for a fluid flow stream |
| 10/02/1997 | WO1997036218A1 Devices for metering fluids in response to level changes |
| 10/02/1997 | DE19612313A1 Quality determination and control of crystal mixture e.g. for sugar production |
| 09/30/1997 | US5671767 Gas mixing apparatus for respirator |
| 09/23/1997 | US5671153 Chemical reactor feed control |
| 09/12/1997 | WO1997033151A1 Viscosity maintenance |
| 09/12/1997 | WO1997032513A1 System for making a floor cleaning liquid available in a convenient manner |
| 09/12/1997 | CA2218371A1 Viscosity maintenance |
| 09/10/1997 | EP0794476A1 Device for gravimetric metering of a mixture |
| 09/10/1997 | CN1159019A Mixed gas compounding method and equipment |
| 09/04/1997 | WO1997032149A1 Gradient proportioning valve |
| 08/20/1997 | EP0789863A1 In-line venturi |
| 08/20/1997 | EP0789618A1 Method and apparatus for proportioning and mixing non-compressible and compressible fluids |
| 08/20/1997 | CN2260320Y Microcomputerized device for dosing |
| 08/14/1997 | DE19604007A1 Control valve for motor vehicle power steering |
| 08/13/1997 | EP0788830A1 Mixing apparatus |
| 08/12/1997 | US5656313 Method of beverage blending and carbonation |
| 08/07/1997 | WO1997027741A1 A device for dosing pesticides or plant nutrients to agricultural sprayers |
| 08/07/1997 | DE19703082A1 Through-flow regulator for sick-child incubator system |
| 07/24/1997 | DE19611528C1 On-line viscosity determination and control by measurement of current supplied to mixer motor |
| 07/22/1997 | US5649560 Combined measuring and injecting flow cell |
| 07/15/1997 | US5647391 Method for controlling the mixing of a solution |
| 07/10/1997 | DE19624619C1 Off-gas NOx content regulation method |
| 07/08/1997 | US5645642 Method for in-situ liquid flow rate estimation and verification |
| 07/02/1997 | EP0781995A1 Method of applying solvent to a fluid system |
| 06/29/1997 | CA2166247A1 Supervisory circuit |
| 06/19/1997 | WO1997021528A1 Gravimetric blender |
| 06/19/1997 | CA2240049A1 Gravimetric blender |
| 06/05/1997 | WO1997020175A1 Device for controlling a gas-air mixture for a gas flame treatment |
| 05/28/1997 | EP0775306A1 Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis |
| 05/28/1997 | DE19544179A1 Steuereinrichtung einer Gas-/Luftgemischregelung für eine Gasflammbehandlung Control device of a gas / air mixture control for a gas flame treatment |
| 05/27/1997 | US5632960 Two-stage chemical mixing system |
| 05/20/1997 | US5631845 Method and system for controlling phosphate bath constituents |
| 05/15/1997 | WO1997017640A1 Two-stage chemical mixing system |
| 05/13/1997 | US5629863 Additive blending controller |
| 05/09/1997 | WO1997013055A3 Process and device for metering the introduction of a reducing agent into the waste gas or air stream of a combustion unit |
| 04/22/1997 | US5623105 Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container |
| 04/16/1997 | EP0768589A2 Method and system for controlling phosphate bath constituents |
| 04/10/1997 | WO1997013055A2 Process and device for metering the introduction of a reducing agent into the waste gas or air stream of a combustion unit |
| 04/10/1997 | DE19536571A1 Verfahren sowie Vorrichtung zur Dosierung der Eingabe eines Reduktionsmittels in den Abgas- oder Abluftstrom einer Verbrennungsanlage A method and apparatus for metering the input of a reducing agent in the exhaust gas or exhaust-air stream of a combustion system |
| 03/20/1997 | DE19637661A1 Measurement and control of a carburising and/or nitriding atmosphere |
| 03/19/1997 | EP0763789A2 Method and apparatus for measuring and controlling a carbonizing and/or nitrifying atmosphere |
| 03/05/1997 | EP0507794B1 Method and device for the consideration of varying volume and flow in the control of a continuous flow process |