Patents
Patents for F16K 37 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given (8,203)
01/2000
01/19/2000EP0972979A2 Positioner and its setting method
01/19/2000EP0972152A1 Manually actuated diaphragm valve with lockout feature for open and closed positions
01/19/2000CN2359548Y Automatic closed valve with alarm when gas leakage
01/18/2000US6015134 Pneumatic actuator assembly
01/18/2000US6015096 Speed controller with scales
01/11/2000US6012485 Fluid filter arrangement including valve arrangement, fluid level indicator, and methods thereof
01/11/2000US6012484 Valve assembly
12/1999
12/28/1999US6006783 Magnetically actuatable valve
12/28/1999CA2053042C Valve position sensing circuit
12/23/1999DE19825686A1 Thermostat valve for radiator
12/21/1999CA2059592C Strain sensing valve
12/15/1999EP0963516A1 Canister vent valve having electric pressure sensor and valve actuator
12/09/1999DE19822364A1 0perating component for gas valve or pressure regulator
12/08/1999EP0962686A2 Controller
12/08/1999EP0962685A1 Valve arrangement
12/08/1999CN2352799Y Protective means for electric arrangement for driving valve
12/01/1999EP0961066A2 Free programmable position indication device
12/01/1999EP0961065A1 Shut-off device for a water supply-line
12/01/1999CN1236873A Balanced plunger valve with scale indication
11/1999
11/30/1999US5992438 Pressure testing assembly and testing method for propane tank systems
11/30/1999US5992229 Method and equipment for determining the performance of control valve
11/25/1999WO1999060369A1 Permanently instrumented actuated valve assembly, with internally-gauged, permanently instrumented shaft
11/24/1999EP0637397B1 Rupture disk sensing assembly
11/17/1999EP0815374A4 Flow compensated pressure control system
11/17/1999CN2349429Y Leakage-proof alarm device for gas valve
11/16/1999US5983937 Flow control device
11/16/1999US5983826 Fluid control valve having mechanical pressure indicator
11/11/1999WO1999057470A1 Enclosed indicator for a piston in a control valve
11/09/1999US5979497 Check valve
11/04/1999WO1999056047A2 Pressure relief valve monitoring device
11/04/1999CA2329977A1 Pressure relief valve monitoring device
11/02/1999US5975131 Tank valve and opening sensor
10/1999
10/27/1999CN1232929A Zero point position-determining mechanism for pressurized fluid-driven apparatus
10/20/1999EP0950844A2 Zero point position-determining mechanism for pressurized fluid-driven apparatuses
10/12/1999US5966679 Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter
10/07/1999DE19812722A1 Adapter for connecting measuring instrument at radiator valve
10/06/1999EP0947901A2 Maintenance monitor system for steam turbine valves
10/06/1999CN2342201Y 信号控制监控阀 Valve control signal monitoring
10/06/1999CN2342200Y Leakage-detecting type gas valve
09/1999
09/29/1999EP0945658A1 Process valve, in particular for sterile manufacturing
09/28/1999US5957158 Visual position indicator
09/23/1999WO1999047841A1 Adjustment for signal transmitter
09/21/1999US5954090 Flexible flower indicator mechanism
09/15/1999CN2338570Y Means for indicating open/close condition of electromagnetic valve
09/15/1999CN2338569Y Timing valve for water or gas
09/15/1999CN2338568Y Means for indicating valve conditions
09/15/1999CN2338565Y Valve with timing means
09/01/1999CN1227320A Automatic directional control valve system for LPG confluent pipe
08/1999
08/24/1999US5941505 Valve
08/24/1999US5941278 For use in a gravity driven cooling system of a nuclear reactor
08/12/1999DE19802817A1 Mit integrierter Stellungsanzeige und Hubbegrenzung ausgestattete Kappe für die Spindel einer Absperrarmatur sowie Verfahren und Vorrichtung zu deren Herstellung Equipped with integrated position indicator and stroke limiter cap for the spindle of a shut-off device and method and apparatus for the production thereof
08/10/1999US5934307 Overpressure protector
08/04/1999EP0933571A1 Fluid pressure release valve
08/03/1999US5931180 Electropneumatic positioner
08/03/1999US5931177 Valves
08/03/1999US5931044 Torque/position transducer
07/1999
07/29/1999WO1999037942A1 Cap with integrated position display and lift stop for the spindle of a shut-off device and method and device for the production thereof
06/1999
06/30/1999EP0783644A4 Dosing valve having seal failure detection
06/29/1999US5915415 Flow control valve assembly with temperature indicating capability for a water conveying device
06/16/1999CN1219663A Electropneumatic positioner
06/15/1999US5913183 Check device for air activated pressure valve
06/09/1999EP0921455A2 Electropneumatic positioner
06/09/1999EP0921338A1 Signalling device for an actuator
06/02/1999EP0918966A1 Outlet pressure limiting valve
05/1999
05/25/1999US5906374 Dual seal barrier fluid leakage control method utilizing linearly displaceable member
05/25/1999US5906222 Apparatus for detecting position of piston in hydraulic actuator coupled to gate valve
05/19/1999EP0916815A2 Apparatus and a method for detecting the valve timing of electromagnetic engine valves
05/19/1999CN2319653Y Single rope type gate opening degree meter
05/12/1999CN2318488Y Universal water supply valve
05/06/1999WO1999022169A1 Method and device for controlling a valve with pneumatic control
05/06/1999DE19745751A1 Gas valve
05/04/1999US5899439 Handle with adjustable stop for flow-control valve
04/1999
04/29/1999WO1999021066A1 Method and device for verifying the workability of a safety device
04/28/1999EP0911609A1 Device for measuring the displacement of stems of valves
04/28/1999EP0896660A4 Automatic valve test apparatus
04/21/1999CN2315481Y Full automatic safety electric heating water tap
04/14/1999CN2314202Y Device for switching shift valve into rotary valve
04/14/1999CN2314201Y Valve for lead sealing
04/08/1999WO1999017177A1 Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter
04/08/1999WO1999017042A1 Method of and apparatus for deterministically obtaining measurements of a process control device parameter while a process is operating on-line
04/07/1999CN2313135Y Regulation valve
04/06/1999US5890515 Flow control valve with a flow meter
04/06/1999US5890450 Linear stroke valve position indicator
04/06/1999CA2157854C Pressure reduction system testing
04/01/1999WO1999015823A1 Diagnostic device and method for pressure regulator
04/01/1999WO1999015822A1 Method and device for determining a valve closure point
03/1999
03/31/1999EP0904573A2 A method for surveying the condition of a control valve, and a valve apparatus
03/31/1999CN2312390Y Microcomputer control device for electrolytic solution proportional valve
03/24/1999CN1211699A Metering distributing valve
03/23/1999US5884894 Inner-loop valve spool positioning control apparatus
03/16/1999CA2121122C Shaft position indicator for a rotary or linear switch mechanism
03/10/1999CN2310225Y Flow indication valve
03/04/1999WO1999010673A1 Electronic tag for valve and method of using same
03/03/1999EP0546028B1 Combined control and regulating valve for liquids or gases
03/03/1999CN2309474Y Valve with lock
02/1999
02/25/1999WO1999008773A1 Fluid filter arrangement including valve arrangement, fluid level indicator, and methods thereof
02/25/1999CA2299338A1 Fluid filter arrangement including valve arrangement, fluid level indicator, and methods thereof
02/24/1999CN2308789Y Dual water sources tap filter
02/17/1999EP0896660A1 Automatic valve test apparatus
02/11/1999WO1999006808A1 Thrust sensor
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