| 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) |
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| 07/06/1993 | US5224512 Valve stem driving apparatus |
| 06/29/1993 | US5223822 Valve position indicator |
| 06/23/1993 | CN2136916Y Qualitative and quantitative control electromagnetic valve |
| 06/22/1993 | US5220942 Extensible indicator post for valve assemblies |
| 06/22/1993 | US5220843 In situ method of determining the thrust on valve components |
| 06/16/1993 | EP0546028A1 Combined control and regulating valve for liquids or gases |
| 06/16/1993 | CN2136375Y Multifunction one-way valve |
| 06/09/1993 | EP0545279A1 Rupture disk |
| 06/08/1993 | US5217199 Connecting valve and hydraulic oil safety and power system in which the connecting valve is used |
| 05/26/1993 | CN2134557Y Self-controlled safety valve for civil gas piping |
| 05/25/1993 | US5213057 Position indicating apparatus |
| 05/19/1993 | CN2133732Y Fast pressure testing valve |
| 05/13/1993 | EP0591146A4 Compact multi-stage pressure reducing valve. |
| 05/12/1993 | EP0540589A1 Measuring and regulating valve |
| 05/12/1993 | CN2132900Y Automatic electronic warning device for water leakage from tap |
| 04/29/1993 | WO1993008580A1 Shaft position indicator for a rotary or linear switch mechanism |
| 04/28/1993 | CN2130993Y Device for cutting gas pipe |
| 04/27/1993 | CA1316718C Method and apparatus for monitoring and measuring dynamic loads in thrust inducing systems |
| 04/14/1993 | EP0536806A1 Device for measuring the torque of an armature movable by an actuator |
| 04/13/1993 | US5202673 Security method and apparatus |
| 04/07/1993 | EP0252143B1 Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post |
| 04/06/1993 | US5199301 Apparatus for applying a known axial force to a valve stem |
| 04/06/1993 | CA1315763C Double block and vent system |
| 03/31/1993 | EP0533831A1 Apparatus for testing leak detectors |
| 03/30/1993 | US5197508 Valve apparatus and method for controlling fluid flow |
| 03/30/1993 | US5197328 Diagnostic apparatus and method for fluid control valves |
| 03/24/1993 | EP0540589A4 Measuring and regulating valve. |
| 03/24/1993 | EP0532811A1 Position status reparting system for a rotating member |
| 03/18/1993 | WO1993005378A1 Method of monitoring the condition of a motor operated valve system |
| 03/18/1993 | WO1993001436A3 Fluid flow obturating components |
| 03/16/1993 | US5193568 Noninvasive valve monitor using alternating electromagnetic field |
| 03/16/1993 | CA1314607C Environmental position actuator apparatus having load responsive limit control apparatus |
| 03/10/1993 | EP0530471A1 Actuating device for a mixing valve |
| 03/04/1993 | WO1993004291A1 A device for position indication for valve slides |
| 03/02/1993 | US5190072 Relief valve assembly for recyclable pressure vessels |
| 01/21/1993 | WO1993001436A2 Fluid flow obturating components |
| 01/19/1993 | US5179974 Valve open-close indicating apparatus |
| 01/18/1993 | CA2067632A1 Accessory for detecting leaking of safety valves |
| 01/12/1993 | US5178187 Valve position indicating apparatus |
| 01/07/1993 | EP0521694A1 Relief valve testing apparatus |
| 12/29/1992 | US5174321 Method and apparatus for determining set pressure of pilot operated pressure relief valve |
| 12/29/1992 | US5174152 Power operated valve stem thrust verification test system |
| 12/23/1992 | EP0519585A1 Low pressure burst disk sensor |
| 12/23/1992 | CN2125760U Fast testing valve |
| 12/21/1992 | CA2067631A1 Fluid valve with actuation sensor |
| 12/15/1992 | US5170816 Temperature and pressure multiple memory for faucets |
| 11/25/1992 | CN1066501A Microcomputor detecting device for linear displacement character of governor valve |
| 11/12/1992 | DE4114864A1 Valve with preset indicator for heating systems - has rotatable but axially immovable scale sleeve set on hand wheel for easy reading |
| 11/11/1992 | CN2121594U Valve opener by seight |
| 11/03/1992 | US5159954 Hinged safety-valve for large ducts |
| 11/03/1992 | US5159835 Testing the operating condition of a fluid flow |
| 10/27/1992 | CA1309212C Patient support structure |
| 10/21/1992 | CN2119557U Fuel gas protector |
| 10/20/1992 | US5156186 Stopcock valve |
| 10/20/1992 | US5156185 Position indicator apparatus for rising stem valve |
| 10/14/1992 | CN1018668B Valve actuator two rotor three position indicator |
| 10/13/1992 | US5155471 Low pressure burst disk sensor with weakened conductive strips |
| 10/13/1992 | US5154080 Integrated check valve testing system |
| 10/07/1992 | CN1018572B Butterfly valve having function for measuring flow rate and method of measuring flow rate with butterfly valve |
| 10/06/1992 | US5152318 Screw-in throttle valve and pressure gauge assembly |
| 10/06/1992 | US5152308 Method of operating a motor-controlled valve |
| 09/30/1992 | CN1064939A Method and apparatus for aetermining set pressure of pilot operated pressure relief valve |
| 09/22/1992 | US5150103 Fixture containing compact rotational positioning sensor |
| 09/17/1992 | WO1992015768A1 Method of checking that an oil well safety valve is operating correctly |
| 09/16/1992 | EP0503819A2 Method and apparatus for determining set pressure of pilot operated pressure relief valve |
| 09/09/1992 | CN2115437U Remote synchronous indicating device for electric valve |
| 09/08/1992 | US5144977 Fluid valve with actuation sensor |
| 09/02/1992 | EP0501817A1 Valve |
| 09/02/1992 | CN2114741U Automatic cutting off and alarm device for gas pipe |
| 09/02/1992 | CN2114737U Automatic safety valve for combustible gas |
| 08/26/1992 | CN1063938A Valve diagnostic system including auxiliary transducer box |
| 08/25/1992 | US5140853 Method and apparatus for monitoring and measuring dynamic loads in thrust inducing systems |
| 08/25/1992 | CA1306619C Thermometer device for a water tap |
| 08/19/1992 | EP0498863A1 A valve equipped with a position detector and a micropump incorporating said valve. |
| 08/18/1992 | US5140263 System for determining position of an internal, movable conductive element |
| 08/12/1992 | EP0455678B1 Indicating device for rotatably mounted component parts |
| 08/12/1992 | CN1063532A Connecting valve and hydraulic oil safety and power system in which connecting valve is used |
| 08/11/1992 | US5137052 Valve position indicator |
| 08/05/1992 | CN2112044U Autoamtic damper |
| 08/04/1992 | US5135026 Medical valve having fluid flow indicia |
| 07/31/1992 | WO1992014087A1 Valve diagnostic system including auxiliary transducer box |
| 07/29/1992 | EP0496021A1 Stopvalve for hydraulic power and safety system |
| 07/26/1992 | CA2059336A1 Connecting valve and hydraulic oil safety and power system in which the connecting valve is used |
| 07/23/1992 | DE4201159A1 Ventil Valve |
| 07/22/1992 | CN2110750U Fuel gas leakage cut-off valve |
| 07/22/1992 | CN1062971A Laser position indicator for valve stem |
| 07/08/1992 | CN2109481U Electric device for valve |
| 07/08/1992 | CN2109475U Timed self-locking alarm gas valve |
| 07/01/1992 | EP0492094A1 Position indication device |
| 06/28/1992 | WO1992012373A1 Laser position indicator for valve stem |
| 06/28/1992 | CA2099113A1 Laser position indicator for valve stem |
| 06/24/1992 | CN1017195B Method and device for monitoring operation of movable components |
| 06/23/1992 | US5123283 Diametral change sensor for a cylindrical member |
| 06/16/1992 | CA1303434C Sensing the open and/or closed condition of valves |
| 06/11/1992 | WO1992009838A1 Switch for detecting the operation of control valve spool |
| 06/10/1992 | EP0489597A2 Vibration monitoring methods and apparatus |
| 06/10/1992 | EP0489596A1 Monitoring of check valves |
| 06/09/1992 | CA1302728C Pneumatic pressure gauge |
| 06/03/1992 | CN2106285U Alarm for safety valve |
| 06/03/1992 | CN1061651A Non-contact apparatus for obtaining flow parameters of liquid and its method |