| Patents for G05D 11 - Ratio control (5,344) |
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| 07/06/1994 | EP0605063A1 Method and device for delivering an active substance to a carrier medium |
| 07/05/1994 | US5325852 Method and apparatus for adjusting the density of a liquid |
| 07/01/1994 | CA2110123A1 Method and apparatus for dispensing coating material including a catalyst |
| 06/28/1994 | US5324478 For calibrating analyzers |
| 06/15/1994 | CN2169155Y Automatic adding apparatus for liquid proportion |
| 06/14/1994 | US5320132 Modular lubrication multiple concentration control apparatus |
| 06/14/1994 | US5320128 Chlorinator with reduced number of components |
| 06/08/1994 | EP0599907A1 Method of determining and controlling the concentration of active substances included for cleaning and disinfection purposes in aqueous cleaning and disinfection-agent solutions |
| 06/07/1994 | US5319563 Automatic loading amount control apparatus for granular compound fertilizer material |
| 06/01/1994 | EP0599104A1 Method and apparatus for compensating for changes in viscosity in a two-component dispensing system |
| 05/31/1994 | US5316053 Apparatus and process for automatically reconstituting dry materials, especially pharmaceuticals |
| 05/24/1994 | US5314703 Method for beverage blending in proportioning |
| 05/24/1994 | CA1329849C Computerized monitoring system for animal feed ration processing mills |
| 05/24/1994 | CA1329797C Thermostatic pressure balanced valve assembly |
| 05/19/1994 | DE4237933A1 Beverage prodn. e.g. carbonated lemonade - comprises feeding additives to sugar syrup dosed feed for mixing with part of the water and finally mixing with remainder of water dose |
| 05/18/1994 | EP0597374A1 Method and device for mixing gases |
| 05/17/1994 | US5313548 Direct current motor speed controller |
| 05/11/1994 | DE4237543A1 Prodn. of concrete with optimal consistency - involves monitoring of water addition |
| 05/11/1994 | CN1024451C Automatic proportional controller |
| 05/03/1994 | CA1329177C Gas blending apparatus |
| 04/28/1994 | DE4325319C1 Controlled nitric oxide dosing equipment - for respiration appts. used in adult respiratory distress syndrome treatment |
| 04/19/1994 | US5304001 Method and apparatus for metering and mixing non-compressible and compressible fluids |
| 04/14/1994 | WO1994007570A1 Compressed air foam system |
| 04/14/1994 | WO1994004286A3 Improvements in or relating to the dispensing of fluids |
| 04/14/1994 | DE4233919A1 Appts for delivery of medication doses to dry animal fodder - uses pulses from fodder conveyor drive to trip dosage deliveries from the container |
| 04/13/1994 | EP0591660A1 High pressure cleaning apparatus |
| 04/13/1994 | EP0293444B1 Automated system for adding multiple fluids to a single container |
| 04/13/1994 | CN1085330A System and method for producing and maintaining predetermined proportionate mixtures of fluids |
| 04/06/1994 | EP0590991A1 Liquid feed apparatus |
| 04/05/1994 | US5299594 Liquid flow rate detector |
| 03/30/1994 | CN1084602A Liquid dispensing apparatus & method |
| 03/29/1994 | US5297432 Vacuum dilution extraction gas sampling method |
| 03/15/1994 | US5293892 Solar powered injection device and method |
| 03/03/1994 | WO1994004286A2 Improvements in or relating to the dispensing of fluids |
| 03/03/1994 | WO1994004257A1 Apparatus for combining liquids |
| 03/03/1994 | CA2142290A1 Improvements in or relating to the dispensing of fluids |
| 03/02/1994 | CN2158103Y Fragrance-diffusing device |
| 02/23/1994 | EP0584052A1 System and method for producing and maintaining predetermined proportionate mixtures of fluids |
| 02/23/1994 | EP0584035A2 Fluid mixing device and demand valve useful therewith |
| 02/17/1994 | DE4226542A1 Mfg.powder mixt. according to recipe - includes performing spectroscopic analysis to generate identification value for comparison with stored references to control weighing system |
| 02/15/1994 | US5286175 Dye injection apparatus for a fuel terminal |
| 02/15/1994 | US5285932 Apparatus for delivering fluids in proportional quantities |
| 02/15/1994 | US5285808 Diverting relief valve backflow |
| 02/08/1994 | US5284174 System and method for producing and maintaining predetermined proportionate mixtures of fluids |
| 02/08/1994 | CA2101032A1 Plural component controller |
| 01/26/1994 | EP0418245B1 Gas blending apparatus |
| 01/12/1994 | EP0455738B1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio |
| 01/05/1994 | EP0576817A1 Method and device for supplying gas and liquid to a two component spray nozzle |
| 01/05/1994 | CN1023380C Automatic proportioning device for powder materials |
| 12/21/1993 | US5271526 Programmable additive controller |
| 12/21/1993 | US5271521 Method and apparatus for compensating for changes in viscosity in a two-component dispensing system |
| 12/15/1993 | EP0574279A1 Measurement and control procedure for the instantaneous flow of a liquid additive delivered by a pump |
| 12/14/1993 | US5269443 Dosing pump for blending two liquids |
| 12/02/1993 | DE4217394A1 Ventilation control for car interior - automatically opening fresh air inlet flap depending on internal and external carbon di:oxide concentrations |
| 12/01/1993 | EP0572108A2 Gas feeder |
| 11/23/1993 | CA1324491C Device for charging a carrier gas stream with free-flowing material and process for operating the device |
| 11/18/1993 | EP0570326A1 Liquid dispensing apparatus and method |
| 11/18/1993 | EP0569444A1 Method and apparatus for dozing an additive at collection of liquid. |
| 11/16/1993 | US5261452 Critical orifice dilution system and method |
| 11/13/1993 | CA2095806A1 Liquid dispensing apparatus and method |
| 11/11/1993 | WO1993022714A1 Electrically controlled valve mixing device |
| 11/10/1993 | CN2146024Y Digital electro-hydraulic ratio control apparatus |
| 11/02/1993 | US5257720 Gasoline blending and dispensing system |
| 10/26/1993 | US5255747 Compressed air foam system |
| 10/12/1993 | US5251785 Additive injection system and method |
| 09/29/1993 | EP0562907A1 Control device for the supply of gas to a gas fired condensation boiler |
| 09/28/1993 | US5247957 Modular lubrication multiple concentration control apparatus |
| 09/22/1993 | CN1076515A Additive injection system and method |
| 09/22/1993 | CN1076382A Disposal method and device for gaseous mixture |
| 09/21/1993 | US5246026 Fluid measuring, dilution and delivery system |
| 09/15/1993 | EP0560413A2 Adaptive bit allocation for audio encoder and decoder |
| 09/14/1993 | CA1322192C Automatically operating valve for regulating water flow and faucet provided with said valve |
| 09/01/1993 | EP0558172A2 Multiple solvent delivery system and method |
| 09/01/1993 | EP0558038A1 Automatic loading amount control apparatus for granular compound fertilizer material |
| 08/31/1993 | CA1321824C Acoustic monitoring of two phase feed nozzles |
| 08/18/1993 | EP0555714A2 Regulation of concentrations for thermal separation |
| 08/11/1993 | EP0554725A2 Additive injection system and method |
| 08/10/1993 | US5234322 Proportioning pump improvements |
| 08/10/1993 | US5234268 Cleaning solution mixing and metering process |
| 08/10/1993 | US5234148 Method of welding and a system therefor |
| 08/03/1993 | US5232052 Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting equipment |
| 07/27/1993 | CA1320750C Programmable multiple blender |
| 07/22/1993 | WO1993014452A1 Gas supply system |
| 07/06/1993 | US5224347 Method and apparatus for controlling the air-fuel ratio of a gas engine |
| 06/15/1993 | US5219224 Programmable apparatus and method for delivering microingredient feed additives to animals by weight |
| 06/15/1993 | US5218988 Liquid feed system |
| 06/08/1993 | US5218526 Optimization of process/property/compositional parameters |
| 06/03/1993 | DE4234507A1 Controlling sludge removal from water - by using capillary suction time measurements to control amount of polyelectrolyte coagulant to be added |
| 06/02/1993 | EP0543859A1 Fluid additive regulating apparatus and method |
| 06/01/1993 | US5215253 Method and apparatus for forming and dispersing single and multiple phase coating material containing fluid diluent |
| 06/01/1993 | CA1318720C Control of suspension density using radiation source |
| 05/25/1993 | CA1318377C Sampling processes for use in the controlled addition of conditioning material to suspensions, sludges and the like and apparatus therefor |
| 05/18/1993 | CA1317914C Binary syrup metering system for beverage dispensing |
| 05/13/1993 | DE4136263A1 Moisture prepn. device for rotary offset lithographic printer - signals impending exhaustion of additive denoted by ejection time of test dose falling below desired value |
| 05/06/1993 | DE4136265A1 Wetting medium preparing appts. for offset printing - measures water flow and uses dosing pumps to add alcohol and additives via return valves |
| 05/04/1993 | US5207742 Radiation detectors to control electrohydraulic gate |
| 04/20/1993 | US5203385 Apparatus and process for automatically reconstituting dry materials, especially pharmaceuticals |
| 04/20/1993 | CA1316353C Automated system for adding multiple fluids to a single container |
| 04/14/1993 | EP0536491A2 Method of welding and a system therefor |
| 04/13/1993 | US5201337 Apparatus for mixing fluids of different specific gravity |