Patents for G05D 7 - Control of flow (11,410)
06/1978
06/06/1978US4092999 Fluid control valve
05/1978
05/30/1978US4091835 Autokinetic sampling nozzle
04/1978
04/25/1978US4085862 Automatically controlled seed planter
04/11/1978US4084120 Stepper motor valve actuator control apparatus
04/11/1978US4083379 Pressure medium regulating device
04/11/1978US4083244 Method and apparatus for measuring fluid flow and/or for exercising a control in dependence thereon
03/1978
03/28/1978US4080993 In-line flow-control valve
02/1978
02/21/1978US4074693 Readily disassembleable fluid flow rate controller
02/14/1978US4073135 Control valves for fluids
01/1978
01/31/1978CA1025411A1 Wheeled vehicle with controlled flow spreader attachment
01/24/1978US4070604 Stepper motor valve actuator
01/24/1978US4070237 Paper making process
01/10/1978US4067361 Silent self-controlled orificial restrictor
01/03/1978US4066096 Flow-control valve
12/1977
12/27/1977US4064905 Apparatus for maintaining constant mass flow
12/20/1977US4063824 Chemical dosimeter having a constant flow air sampling pump
12/13/1977US4063072 Automatic process for the optimum regulation of aircraft fuel flow
12/13/1977US4062306 Apparatus for distributing agricultural ammonia
12/06/1977US4061155 Electrohydraulic control system
11/1977
11/22/1977US4059424 Apparatus for the controlled supply of cryogenic fluid
11/08/1977US4057074 Bidirectional piston valve
11/01/1977US4056133 Fluid flow control apparatus and a gasoline dispensing and vapor recovery system utilizing said apparatus
10/1977
10/18/1977US4054784 Weigh feeder system
10/04/1977US4052003 Liquid spreader control system
10/04/1977US4051864 Flow regulator
09/1977
09/13/1977US4047846 Power-steering pump
09/13/1977US4047695 Adjustable choke
09/06/1977USRE29383 Digital fluid flow rate measurement or control system
08/1977
08/16/1977US4042173 Method and apparatus for controlling volume air flow
08/16/1977US4042149 Liquid pump and metering system
08/16/1977US4041977 Breathing apparatus flow regulator
08/09/1977US4040599 Flow control valves for liquids
06/1977
06/28/1977USRE29280 Air distribution regulator apparatus
06/28/1977US4031917 Constant flow gas regulator
06/21/1977US4030523 Digital flow control system
06/07/1977US4028441 Liquid level control system and carbonator
06/07/1977US4027694 Control valve
06/07/1977US4027689 Explosion resistant electric heat motor gas valve
05/1977
05/24/1977US4025432 Flow control unit for magnetic matrix
05/24/1977US4024887 Automatic valving system
05/10/1977US4023020 Wheeled vehicle with controlled-output spreader system
04/1977
04/26/1977US4019531 Inlet orifice device to control thruput flow for pressure regulators
04/26/1977US4019527 Modulating flow control valve
04/26/1977US4019318 Fluid flow control valves
04/19/1977US4018685 Automatic liquid mixing device
04/19/1977US4018418 Flow governor
04/19/1977US4018362 Automatic control for liquid flow
04/12/1977US4017054 Condition responsive valve construction
04/12/1977US4016895 Flow control valve
04/05/1977US4015629 Adjustable flow floating weir assembly
04/05/1977US4015626 Constant flow valve for low flow rates
03/1977
03/29/1977US4014473 Fluid-flow control devices particularly useful as dripper nozzles in trickle irrigation
03/15/1977US4011894 Fluid flow control
03/08/1977US4011070 Method and apparatus for regulating molten glass flow into a conditioning chamber
03/01/1977US4009826 Variable value constant volume flow device
02/1977
02/15/1977US4007754 Flow control system
02/08/1977US4007380 Control of chokes
01/1977
01/25/1977US4004451 Automated timing of fluid delivery in sample analysis
01/18/1977US4003405 Apparatus for regulating the flow rate of a fluid
01/11/1977US4002270 Vibratory feeder system
01/04/1977US4001801 Automatic low throughput metering apparatus for selecting and controlling the flow rate of liquids
01/04/1977US4000857 Flow control aerator
01/04/1977US4000754 Automatic control valve for a fluid system
12/1976
12/28/1976US3999813 Pressure flow regulator
12/28/1976US3999266 Structure incorporating a diaphragm and method of making same
12/07/1976US3995690 Well point system
12/07/1976US3995656 High pressure gas regulator
11/1976
11/30/1976US3994434 Variable volume air damper control having a damped actuator
11/09/1976US3990470 Means for controlling fluid flow
10/1976
10/26/1976US3987815 Tank depletion flow controller
10/19/1976US3987132 Air-liquid fuel mixture
10/19/1976US3986482 Liquid flow control arrangements
10/05/1976US3983893 Flow divider valve assembly
09/1976
09/28/1976US3982665 Out-flow metering device
09/28/1976US3982619 Flow control apparatus and method
09/07/1976US3979654 Process control system using a two wire remote control system
09/07/1976US3978880 Regulator valve diaphragm and valve assembly including the same
09/07/1976US3978878 Resilient supply and exhaust valve
08/1976
08/31/1976US3977600 Temperature responsive fluid flow regulator
08/24/1976US3976090 Slow start hydraulic valve
08/17/1976US3974859 Air distribution regulator apparatus
07/1976
07/20/1976US3970100 Priority valve
06/1976
06/29/1976US3965934 Fluid regulating devices
06/29/1976US3965928 Flow regulator for ducts
06/29/1976US3965921 Controlled opening pressure compensated flow control valve
06/22/1976US3964793 Continuous flow pneumatic conveyor system employing a fluidized bed column for the purposes of control and regulation
06/22/1976US3964599 Process and apparatus for the controlling of the conveyance of loose bulk material
06/15/1976US3963146 Liquid-dispensing installation
06/08/1976US3961748 Air distribution regulator apparatus
06/01/1976US3960033 Flowmeter and function generator therefor
05/1976
05/25/1976US3958606 Method and apparatus for eliminating air flow in communications cables to assist in plug formation
05/25/1976US3958605 Automatic controlling device for maintaining a constant rate of air flow in air-conditioning equipment
05/25/1976US3958596 Flow regulator
05/11/1976US3956705 Pulse rate comparison circuit
05/11/1976US3955595 Automatic fluid flow regulator
04/1976
04/27/1976US3952925 Flow control system and rotary flow control valve
04/20/1976US3951379 Flow control device
04/20/1976US3951377 Rolling-gate, quiet-throttling, flow-control valve
04/20/1976US3951338 Heat-sensitive subsurface safety valve
04/06/1976US3948419 Beverage fluid flow controller