| Patents for G05D 11 - Ratio control (5,344) |
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| 01/15/1980 | US4183384 Process and apparatus for blending fluids to maintain concentration of one below a predetermined maximum |
| 01/01/1980 | US4181469 Apparatus for adding emulsifier to a fluid |
| 12/25/1979 | CA1068800A Control system for normalizing the air/fuel ratio in a fuel injection system |
| 12/25/1979 | CA1068510A Automatic burner monitor and control for furnaces |
| 12/25/1979 | CA1068483A Liquid proportioning devices |
| 12/04/1979 | US4176672 Mixing apparatus for a first liquid component with at least one additional component |
| 11/20/1979 | US4174726 Pressure balancing valve |
| 10/30/1979 | US4172668 Mixing apparatus |
| 10/16/1979 | US4171191 Apparatus for transferring metered quantities of material from one location to another |
| 10/16/1979 | CA1064474A1 Mix preparation control device and process |
| 10/09/1979 | US4170319 Apparatus for controlling fluid flow in a fluid delivery and mixing system utilizing positive displacement devices |
| 10/09/1979 | CA1063951A1 Apparatus and process for the preparation of air spraying products |
| 09/11/1979 | US4167151 Automatic spraying apparatus for forming hard polyurethane foam coating |
| 09/04/1979 | US4166575 Hot and cold water supply for mixing valves |
| 08/22/1979 | EP0003563A1 Device for dosing at least two fluidisable reaction components in a mixing room |
| 08/21/1979 | US4165186 Photographic chemical mixing system |
| 08/08/1979 | EP0003224A1 Apparatus for metering at least one component of a mixed liquid |
| 07/31/1979 | US4162689 Time division flow control |
| 07/25/1979 | EP0003184A1 Apparatus for injecting metered quantities of fluid into a flowing stream of liquid |
| 07/17/1979 | US4161264 Fluid metering and mixing device having inlet and outlet valves |
| 07/03/1979 | US4160166 System for regulating molecular flux and its application to co-evaporation techniques |
| 06/26/1979 | CA1057116A1 Method and apparatus for regulating the fat content of milk |
| 05/29/1979 | CA1055609A1 Liquid fuel blending dispensing pump |
| 05/22/1979 | US4155683 System for and a method of providing a liquid chromatography eluent |
| 05/15/1979 | US4154537 Product density control apparatus |
| 05/15/1979 | US4154258 Apparatus for introducing ingredients, especially plant treating substances, into a stream of water |
| 05/15/1979 | US4154257 Flow-divider regulator |
| 05/08/1979 | US4153071 Liquid apportioning device |
| 05/08/1979 | CA1054023A1 Fluid flow regulation |
| 05/01/1979 | US4151854 Method and apparatus for mixing and supplying fountain solution to printing presses |
| 05/01/1979 | CA1053780A1 Apparatus for controlling operational parameters in a polymerization and related method |
| 04/24/1979 | US4150769 Apparatus for metering, mixing and dispensing fluids |
| 04/24/1979 | US4150767 Liquid blending and dispensing apparatus |
| 04/24/1979 | US4150684 Mixing valve and control system therefor |
| 04/10/1979 | US4148311 Gas mixing apparatus |
| 03/20/1979 | US4145143 Method of controlling the properties of a mixture |
| 03/20/1979 | CA1050939A1 Multiple fluid dispenser |
| 03/20/1979 | CA1050768A1 Automatic leaching system for hydrometallurgical production of zinc |
| 03/13/1979 | CA1050274A1 Apparatus for the continuous feeding of plural liquids in separate streams of adjustable quantity and ratio |
| 03/07/1979 | EP0000859A1 Method and apparatus for mixing gases in accurate proportions. |
| 03/06/1979 | US4142681 Multi-stage solution proportioner dispenser |
| 03/06/1979 | CA1050136A1 Signalling elapsed time indicator |
| 02/13/1979 | CA1048274A1 Proportioning valve for volumetric proportioning of flow |
| 02/06/1979 | US4137932 Apparatus for dosing a flowing fluid |
| 01/30/1979 | US4136708 Hemodialysate blending system |
| 01/30/1979 | CA1047254A1 Apparatus for introducing ingredients, expecially plant treating substances, into a stream of water |
| 01/16/1979 | US4134834 Hemodialysis apparatus |
| 01/16/1979 | US4134427 Flow splitter |
| 01/16/1979 | CA1046609A1 Continuous on-machine control of bleaching chemicals |
| 01/02/1979 | US4132483 Molding machine with proportional dispensing |
| 12/12/1978 | CA1044018A1 Method and apparatus for controlling the volumetric ratio between mixed gases |
| 12/05/1978 | US4128476 Carrier composition control for liquid chromatographic systems |
| 11/28/1978 | CA1043220A1 Pressure compensating device for mixing faucets |
| 10/24/1978 | US4121738 Apparatus for the continuous feeding of plural liquids in separate streams of adjustable quantity and ratio |
| 10/24/1978 | US4121601 Flow compensated divider valve |
| 10/17/1978 | CA1040601A1 Liquid dispensing apparatus |
| 10/10/1978 | CA1040161A1 Apparatus for metering, mixing and dispensing fluids |
| 10/03/1978 | CA1039834A1 Automatic vehicle transmission control system |
| 09/12/1978 | US4112964 Liquid proportioner for pressure feed line |
| 09/05/1978 | US4112515 Mixing catalyst and carrier gas for curing foundry molds and cores |
| 08/15/1978 | US4107246 Extrusion control |
| 07/25/1978 | US4102354 Self-regulating fluid pressure and temperature valve and assembly |
| 07/18/1978 | US4101055 Colorant dispenser having time sequence dispensing cycle |
| 07/18/1978 | US4100927 Fluid flow regulation |
| 06/27/1978 | US4097219 Settable regulator device for gas/air mixture ratios |
| 06/20/1978 | US4096059 Dialysis |
| 06/13/1978 | US4094786 Treatment control apparatus for water systems |
| 06/13/1978 | US4094333 Regulating valve system |
| 05/30/1978 | US4091834 Apparatus for automatically preparing solution of controlled concentration |
| 05/30/1978 | US4091675 Samplers |
| 05/23/1978 | US4091462 Control apparatus for mortar compounding apparatus |
| 05/23/1978 | US4090695 Liquid feeding control method |
| 04/18/1978 | US4084605 Additive metering system using a centrifugal pump |
| 04/18/1978 | US4084603 Fluid-blending system |
| 04/04/1978 | US4082667 For mixing dialysate in artificial kidney machine |
| 03/28/1978 | US4080874 Drive for a pair of metering pumps |
| 03/21/1978 | US4079861 Fluids mixing and proportioning device |
| 03/07/1978 | US4077755 Apparatus for continuously preparing a syrup of a monomer-polymer mixture |
| 02/21/1978 | US4075355 Method and apparatus for regulating the fat content of milk |
| 02/21/1978 | US4074687 Method of and apparatus for use in generating liquid concentration gradients hydrostatically |
| 01/24/1978 | US4069835 Fuel and lubricant mixer |
| 12/27/1977 | US4064891 Plural fluid proportioning apparatus |
| 12/20/1977 | US4063571 Flow regulator and system |
| 12/13/1977 | US4062472 Liquid dispensing system |
| 12/13/1977 | US4062373 Method and apparatus for mixing gases |
| 12/13/1977 | US4062220 Fluid measuring and metering system |
| 12/06/1977 | US4061314 Input section of apparatus for use in the continuous production of doughnuts |
| 10/25/1977 | USRE29454 Method for producing a gradient elution |
| 08/23/1977 | US4043486 Mixing apparatus |
| 08/16/1977 | US4041969 Apparatus for controlling the volumetric ratio between mixed gases |
| 07/26/1977 | US4037617 Multiway pneumatic valve and its application to brake |
| 07/26/1977 | US4037616 Proportioning fluids |
| 07/19/1977 | US4036915 Temperature-controlled apparatus for fluid permeation or the like |
| 07/05/1977 | US4033480 Multiple fluid dispenser |
| 07/05/1977 | US4033371 Proportioning valve for volumetric proportioning of flow |
| 07/05/1977 | US4033202 Speed responsive electronic controls for transmissions |
| 06/28/1977 | US4032044 Liquid dispensing unit and system |
| 06/28/1977 | US4032040 Method and control system for batching plural substances and pump system |
| 06/21/1977 | US4030860 Variable proportional metering apparatus |
| 06/14/1977 | US4029299 Multi-stage solution proportioner dispenser |