Patents for G05D 7 - Control of flow (11,410) |
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03/18/1980 | CA1073777A1 Variable value constant volume fluid flow control valve |
03/11/1980 | CA1073542A1 Automatically controlled seed planter |
03/05/1980 | EP0008417A1 Device for the exact measuring out of liquids |
03/04/1980 | US4191215 Digital fluid flow rate controller |
02/26/1980 | US4190204 Shower nozzle for fabric conditioner |
02/26/1980 | US4190084 Flow control means |
02/20/1980 | EP0008025A1 Control device for the flow of a gaseous medium in a conduit |
02/19/1980 | US4188919 Fluid regulating systems |
02/12/1980 | US4187879 Flow regulator |
02/12/1980 | CA1071735A1 Steam turbine control system and method |
01/29/1980 | US4185414 Feed regulator for nutrient film agriculture system |
01/29/1980 | CA1070753A1 Stepper motor valve actuator |
01/23/1980 | EP0007252A1 Apparatus for delivering a fluid at constant flow, in particular for spray pistol |
01/01/1980 | CA1069203A Fuel control apparatus for dual chamber stratified charge engine systems |
01/01/1980 | CA1069202A Fuel injection systems |
12/25/1979 | CA1068800A Control system for normalizing the air/fuel ratio in a fuel injection system |
12/13/1979 | WO1979001092A1 Fluid flow regulating valve and system |
12/11/1979 | CA1067788A1 Constant flow valve for low flow rates |
12/11/1979 | CA1067781A2 Fluid flow control system |
12/04/1979 | CA1067567A1 Stepper motor valve actuator control apparatus |
11/27/1979 | US4176052 Apparatus and method for controlling the rate of feeding a petroleum product to a coking drum system |
11/27/1979 | US4175584 Control valve for keeping the rate of flow at a fixed value |
11/27/1979 | US4175583 Regulator valve |
11/06/1979 | US4173224 Automated intravenous fluid regulating and administering apparatus |
11/06/1979 | CA1065736A1 Fluid flow control device |
10/30/1979 | CA1065447A1 Seed population density monitor and control apparatus for field seed planter |
10/09/1979 | US4170279 Fluid flow control devices |
10/09/1979 | US4170245 Digital control valve |
10/02/1979 | CA1063480A1 Adjustable flow floating weir assembly |
09/19/1979 | EP0004041A1 Apparatus for limiting the fluid volume output in a rotary pump |
09/18/1979 | CA1062498A1 Dosimeter for monitoring working areas |
09/11/1979 | US4167236 Apparatus for the feeding of liquid synthetic resin components |
08/28/1979 | US4165764 Valve |
08/21/1979 | US4164861 Leak standard generator |
07/31/1979 | CA1059337A1 Measurement and control of fluid flow |
07/24/1979 | US4161965 Water-flow control device |
07/24/1979 | CA1058996A1 Fluid flow control in a parenteral administration system |
07/17/1979 | US4161264 Fluid metering and mixing device having inlet and outlet valves |
07/11/1979 | EP0002713A1 Flow control of a gaseous medium in a conduit |
07/03/1979 | US4159785 Method for loading particulate matter in a vessel |
06/27/1979 | EP0002446A1 Electrically controlled four way valve functioning independently from the load |
06/05/1979 | US4157159 Automatic fluid flow regulator |
05/08/1979 | CA1054023A1 Fluid flow regulation |
05/01/1979 | US4151859 Throttle shaft for the controlled discharge of dammed-up water |
04/24/1979 | CA1053370A1 Flow control system |
04/10/1979 | US4148340 Digital fluid flow control system |
04/10/1979 | US4148334 Liquid level control sytem |
04/10/1979 | CA1052459A1 Oil well pumpoff control system |
04/03/1979 | US4147298 Fluid flow controller |
04/03/1979 | US4147177 Flow regulator |
03/27/1979 | US4146051 Fluid flow control system |
03/27/1979 | CA1051407A1 Valves |
03/13/1979 | CA1050375A1 Variable infusion control device |
02/27/1979 | US4141380 Flow-limiting device for a pipe carrying a fluid or gaseous medium |
02/21/1979 | EP0000692A1 Container provided with means for draining off liquid |
02/06/1979 | US4137940 Liquid flow control apparatus |
02/06/1979 | US4137913 Fluid flow control system |
01/30/1979 | US4137011 Flow control system for liquid chromatographs |
01/30/1979 | US4136857 Method and apparatus for automatically controlling the rate of flux injection to a converter |
01/30/1979 | CA1047574A1 Fluid-flow control devices |
01/23/1979 | US4135641 Apparatus and methods for dispensing fluid under pressure |
01/16/1979 | US4134663 Method and apparatus for feeding replenishment chemicals in film processors |
01/16/1979 | US4134572 Adjustable flow metering orifice |
01/16/1979 | US4134423 Flowrate control means |
01/02/1979 | US4132941 Syncro-matic circuit used with material spreaders |
12/12/1978 | CA1044112A1 Control valves |
11/21/1978 | CA1043014A1 Fluid delivery control and registration system |
11/07/1978 | US4124037 Fluid flow regulator |
11/07/1978 | US4123932 Dosimeter for monitoring working areas |
10/31/1978 | US4122974 Variable speed planter seed drive |
10/31/1978 | CA1041320A1 Digital fluid flow rate measurement or control system |
10/24/1978 | US4121762 Automatic fluid flow regulator |
10/10/1978 | CA1040050A1 Automatic vacuum stabilizing valve |
10/03/1978 | US4118149 Output regulation in hydraulic and hydropneumatic systems |
10/03/1978 | CA1039833A2 Process control system |
10/03/1978 | CA1039620A1 Rotary flow control valve |
09/26/1978 | CA1039146A1 Control valve |
09/19/1978 | US4114857 Spool type metering valve |
09/05/1978 | US4111272 Weigh feeding apparatus |
08/22/1978 | US4108575 Obtaining desired flow rate from roller pump despite varying the hose means |
08/22/1978 | US4108574 Apparatus and method for the indirect measurement and control of the flow rate of a liquid in a piping system |
08/22/1978 | US4108371 Damper control device |
08/15/1978 | US4107246 Extrusion control |
08/08/1978 | US4105050 Integral flanged elastomeric flow restrictor |
08/08/1978 | US4105028 Positive control intravenous fluid administration |
08/01/1978 | US4103710 Time cycle controller for pneumatic valve |
08/01/1978 | US4103703 Multistage pilot-controlled pressure-reducing valve |
07/18/1978 | US4100927 Fluid flow regulation |
07/11/1978 | US4099700 Flow control device for fluids flowing in a closed conduit |
07/11/1978 | US4099536 Method and apparatus for controlling a surging flow in a closed conduit |
07/04/1978 | US4098285 Device for regulating the differential pressure between two different pressure points of a fluid circuit |
06/27/1978 | US4097786 Limit control apparatus |
06/27/1978 | US4096879 Adjustable fluid flow regulator |
06/27/1978 | US4096746 Flow controller-flow sensor assembly for gas chromatographs and the like |
06/20/1978 | US4096424 Electrical circuit for controlling the feed rate of parts |
06/20/1978 | US4095617 Control valves |
06/20/1978 | US4095611 Modulating flow control valve assembly |
06/13/1978 | US4094632 Accelerated response for delivery of smoke suppressant to flares |
06/13/1978 | US4094338 Constant rate float intake |
06/13/1978 | US4094318 Electronic control means for a plurality of intravenous infusion sets |