| 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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| 05/10/1989 | CN1032848A Monitor for testing operating condition of nonreturn valve |
| 05/02/1989 | US4825901 Temperature compensating fluid metering valve |
| 04/26/1989 | EP0313162A2 Control and remote control of a switchable battery-fed device by the approach to or the departure from the vicinity by a user |
| 04/26/1989 | CN2036605U Automatic temp.-sensitive spray valve |
| 04/26/1989 | CN1004025B Detecting device for the moving requlation of gas valve, on air compressor |
| 04/25/1989 | US4825198 Method of and apparatus for testing the tightnesses of two valves arranged in a fluid line |
| 04/18/1989 | US4821769 Valve monitor and method |
| 04/12/1989 | EP0310659A1 Stem load determining system |
| 04/04/1989 | US4817760 Displacement detecting mechanism for hydraulic circuit of fork lift |
| 03/28/1989 | US4816987 Microprocessor-based control and diagnostic system for motor operated valves |
| 03/23/1989 | DE3730940A1 Device for indicating the position of the piston of a valve |
| 03/07/1989 | US4809742 Control valve assembly including valve position sensor |
| 03/07/1989 | CA1250794A1 Control regulator having a rolling diaphragm |
| 02/22/1989 | EP0303964A2 System for evaluating the condition and performance of a valve and valve operator combination and sensor for measuring forces on a valve stem |
| 02/21/1989 | US4805665 Fluid flow check device |
| 02/21/1989 | US4805451 System for evaluating the condition and performance of a valve and valve operator combination |
| 02/08/1989 | CN2032280U Musical wate economizer |
| 02/01/1989 | EP0301687A2 Temperature compensating fluid metering valve |
| 02/01/1989 | CN1030820A Instrument for monitoring valve position of electromagnetic valve |
| 01/25/1989 | CN2031479U Gas magnetization valve |
| 01/18/1989 | EP0299029A1 Process and device for controlling valve leakage spaces |
| 01/17/1989 | US4798223 Double block and vent valve system |
| 01/11/1989 | EP0298821A1 Pneumatic fuse |
| 01/03/1989 | US4794948 Directional control valve having an optical position indicator |
| 12/28/1988 | CN88211607U Multifunctional pneumatic valve positioner |
| 12/27/1988 | US4794314 Environmental position actuator apparatus having load responsive limit control apparatus |
| 12/07/1988 | CN88103206A 气体数量测量装置 Gas quantity measuring device |
| 11/29/1988 | US4787245 Torque measuring apparatus for valve operating system |
| 11/17/1988 | WO1988008968A1 Torque measuring apparatus for valve operating system |
| 11/03/1988 | WO1988008497A1 Limit switch replacement system and universal bracket |
| 11/03/1988 | WO1988008491A1 Stem load determining system |
| 11/03/1988 | DE3713562A1 Method for determining the position of control elements with inductive position encoders |
| 11/02/1988 | EP0288521A1 Check valve testing system |
| 11/02/1988 | CN88201278U Frost protecting device for transporting water |
| 11/02/1988 | CN88201135U Double-functional valve |
| 10/19/1988 | EP0287299A2 Microprocessor-based control and diagnostic system for motor operated valves |
| 10/18/1988 | US4777979 Position detector for clapper of non-return valve |
| 10/06/1988 | DE3809233A1 Method and device for testing the response pressure of a safety valve on site |
| 10/05/1988 | EP0285375A1 Gas quantitiy measuring device |
| 10/05/1988 | EP0284785A1 Method and device for controlling the thightness of two valves successively disposed on a fluid conduit |
| 09/27/1988 | US4773767 Thermometer device for a water tap |
| 09/27/1988 | CA1242428A2 Valve |
| 09/21/1988 | CN87216918U Sanitary water-saving tap for washing pot |
| 09/13/1988 | US4770029 Valve testing method and device |
| 09/07/1988 | WO1988006721A1 Set pressure verification device and method |
| 09/07/1988 | CN88203650U Balancing valve and its special intelligent instrument |
| 09/07/1988 | CN87217238U Multi-way turnable valve |
| 09/06/1988 | US4768249 Patient support structure |
| 08/24/1988 | EP0279177A1 Valve with a controlled leakage space |
| 08/24/1988 | CN88100983A Method and apparatus for controlling leakage-chamber of valves |
| 08/18/1988 | DE3703535A1 Device for testing the operation of spring-loaded safety valves |
| 08/09/1988 | US4761999 Set pressure verification device and method |
| 08/02/1988 | US4760864 Devices forming parts of regulatory systems for providing an output in the form of rectilinear motion with an input of both rotary and rectilinear motion |
| 07/28/1988 | WO1988005567A1 Electromechanical linear actuator |
| 07/28/1988 | WO1988005512A1 Process and device for controlling valve leakage spaces |
| 07/27/1988 | EP0276155A1 Valve devices for use in measuring or controlling gas-pressure |
| 07/26/1988 | US4759386 Electromechanical linear actuator |
| 07/26/1988 | US4759224 Testing and analyzing proper switch settings |
| 06/22/1988 | CN87213634U Dc electromagnetic valve capable of indicating duty |
| 06/15/1988 | EP0270542A1 Motor operated valve analysis and testing system |
| 06/14/1988 | CA1238030A1 Valve |
| 06/08/1988 | CN86205766U Two stages sliding groove rotation type mortor-driven valve opening indicator |
| 06/07/1988 | CA1237627A1 Valve actuator |
| 06/01/1988 | EP0269375A2 Variable linear motion cycle monitoring device |
| 05/26/1988 | DE3638844A1 Linear drive with a reversible electric motor |
| 05/25/1988 | CN87214452U Single cone hole and double whirl-plug temp. adjusting valve |
| 05/25/1988 | CN87202985U Electric device for display motion of dc solenoid valve |
| 05/24/1988 | US4746772 Adjustable position indicating apparatus |
| 05/17/1988 | CA1236755A1 Alarm check valve |
| 05/10/1988 | US4742848 Indexing control for fluid flow regulating valves |
| 05/05/1988 | WO1988003241A1 Check valve testing system |
| 04/27/1988 | CN87208933U 多功能阀 Multi-function valve |
| 04/27/1988 | CN87204247U Relief valve capable of showing the remains of gas |
| 04/06/1988 | CN87203636U Measuring gas pressure regulator |
| 04/05/1988 | US4735101 Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post |
| 03/30/1988 | EP0262114A2 Adjustable position indicating apparatus |
| 03/30/1988 | EP0261851A2 Valve supervisory switch |
| 03/30/1988 | EP0261830A2 Improved patient support structure |
| 03/23/1988 | CN87206192U Multi-functional repairable ball check with multi-channel |
| 03/16/1988 | EP0259551A1 Tube disconnector with a blocking device, and control means for the blocking device |
| 03/15/1988 | CA1234198A1 Magnetic switch housing assembly |
| 03/08/1988 | US4729403 Test assembly for water-flow alarms |
| 01/27/1988 | EP0253954A1 Sensing the open and/or closed condition of valves |
| 01/26/1988 | US4721131 Control device for valves and the like |
| 01/13/1988 | EP0252143A1 Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post. |
| 01/12/1988 | US4718445 Position indicator for a rotary valve actuator |
| 12/30/1987 | WO1987007950A1 Motor operated valve analysis and testing system |
| 12/22/1987 | US4714235 Constant displacement dual position cam stop assembly |
| 12/08/1987 | US4712071 Motor operated valve analysis and testing system |
| 12/02/1987 | CN86103491A Automatic pressure regulation indicating mechanism |
| 11/19/1987 | EP0245947A2 Testing device for pilot valves |
| 11/10/1987 | US4704983 For use in a plumbing fixture |
| 11/07/1987 | CN86206801U Water valve antifreeze apparatus with level display |
| 10/27/1987 | US4702275 Post assembly for a buried valve |
| 10/14/1987 | EP0241369A1 Sanitary valve spouts or shower heads with temperature indication |
| 10/13/1987 | CA1227990A1 Monitor for double safety valves |
| 10/07/1987 | CN86209207U Compression release valve with pressure detection device |
| 09/29/1987 | US4696325 Sensing of fire installation water valves being closed |
| 09/23/1987 | EP0237821A2 Control device for valves and the like |
| 09/22/1987 | US4695686 Valve supervisory switch |