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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07/11/2002 | US20020088956 Controller for controlling an electromagnetic actuator |
07/04/2002 | WO2001077551A3 Pressure relief device for a sealed system |
07/04/2002 | US20020083982 Sprinkler alarm test and drainage device for fire protection systems |
07/04/2002 | DE10156440A1 Verfahren und Vorrichtung zur Bestimmung eines Ventilzustandes Method and apparatus for determining a state of valve |
07/03/2002 | CN2498428Y Linked tap |
07/03/2002 | CN1356485A Pilot differential valve with metering function |
07/02/2002 | US6412752 Power blade for throttle assembly |
06/26/2002 | EP1216375A2 Diagnostic system and method, especially for a valve |
06/26/2002 | CN2497129Y Safety valve |
06/25/2002 | US6409807 Linear gas valve cycle control, shut-off-valve and self test |
06/25/2002 | US6408676 Method and apparatus for determining the status of a relief valve |
06/25/2002 | CA2080815C Compact multi-stage pressure reducing valve |
06/13/2002 | US20020070370 Flow rate control valve |
06/13/2002 | US20020069920 Hydraulically operated directional control valve |
06/13/2002 | US20020069916 Method and apparatus for determining a valve status |
06/12/2002 | EP1213521A2 Flow rate control valve |
06/12/2002 | EP1212564A1 Device and method for checking a safety valve |
06/12/2002 | EP1212224A1 Pressure control valve |
06/12/2002 | CN2494900Y Watch & valve one-body valve |
06/06/2002 | WO2002044759A2 Self-compensating position sensor |
06/06/2002 | US20020066312 Self-compensating position sensor |
06/05/2002 | EP0963516B1 Canister vent valve having electric pressure sensor and valve actuator |
06/05/2002 | CN2494462Y Multifunctional safety valve |
06/04/2002 | US6397664 Method and apparatus for detecting leakage in a flow control valve |
05/30/2002 | US20020063555 Mounting bracket for a utility meter transceiver unit |
05/30/2002 | US20020062682 Diagnostic system for a valve that can be actuated by a position controller via a drive |
05/29/2002 | EP1209396A1 Position indicator for submerged valve |
05/29/2002 | CN2493806Y Automatic water tap having various water supply mode |
05/29/2002 | CN2493798Y Quantitative valve |
05/28/2002 | US6396404 Double check valve assembly for fire suppression system |
05/23/2002 | WO2002040914A2 Valve with handle including sensors and memory |
05/23/2002 | WO2002021072A3 Displacement measurement with a spring and force measurement for actuators, blow-out preventers, valves |
05/22/2002 | EP1206787A1 Gas valve safety device |
05/22/2002 | EP1124700A4 A pressure cutoff valve |
05/16/2002 | US20020056423 Apparatus for and method of controlling solenoid-operated valve device, and recording medium storing control program for solenoid-operated valve device |
05/14/2002 | US6386230 Position sensing system for butterfly valves |
05/14/2002 | US6386229 Method and device for managing operation of solenoid valve |
05/08/2002 | EP1202688A1 Urine drain assembly with tube clamp valve |
05/08/2002 | CN1348071A Change valve with magnetic sensor |
05/07/2002 | US6382226 Method for detecting broken valve stem |
05/02/2002 | US20020050291 Pressure relief device for a sealed system |
04/30/2002 | CA2240241C Flow meter |
04/24/2002 | CN2487929Y Device for preventing fraudulent use of water by drip leakage |
04/23/2002 | US6375151 Return spring mechanism for an electronic throttle control assembly |
04/23/2002 | US6374850 Emergency gas line shut-off system |
04/23/2002 | US6374814 Electric exhaust gas recirculation valve with integral position sensor and method of making |
04/18/2002 | US20020044064 Valve position output apparatus |
04/16/2002 | US6371162 Electric actuator for fluid control valves |
04/11/2002 | US20020040735 Selector valve with magnetometric sensor |
04/10/2002 | EP1195528A2 Selector valve with magnetometric sensor |
04/09/2002 | US6367372 Valve opening/closing device of a fryer |
04/04/2002 | WO2002027685A1 Double check valve assembly for fire suppression system |
04/04/2002 | WO2002026327A1 Insert for a detonation/flame arrester |
04/04/2002 | WO2001081802A3 Electric actuator for fluid control valves |
04/03/2002 | CN2484456Y Multi purpose valve sealing edge-tone element |
04/03/2002 | CN1343285A Water softener valve |
04/03/2002 | CN1342859A Manifold valve with position monitoring function |
04/03/2002 | CN1342858A Manifold valve with position detecting function |
04/02/2002 | US6363963 Excess flow shutoff valve |
03/27/2002 | EP0788573B1 Valves |
03/27/2002 | CN2483576Y Multi-way and rotating distributing valve having state monitoring generation device |
03/27/2002 | CN1342252A Emergency shutdown test system |
03/27/2002 | CN1081809C Electropneumatio positioner |
03/26/2002 | US6360773 Methods for monitoring wear in seat materials of valves |
03/20/2002 | EP1188038A1 Methods for monitoring wear in seat materials of valves |
03/14/2002 | US20020029809 Manifold valve having position detecting function |
03/14/2002 | US20020029808 Pressure relief valve monitoring device |
03/13/2002 | EP1186814A2 Manifold valve with position detector |
03/13/2002 | EP1186269A1 Valve opening/closing device of a fryer |
03/12/2002 | US6354327 Automatic position-control valve assembly |
03/07/2002 | US20020026959 Manifold valve having position detecting function |
03/07/2002 | US20020026875 Valve opening/closing device of a fryer |
03/06/2002 | EP1184611A2 Manifold valve with position detector |
03/06/2002 | EP1183449A2 Control valve |
03/06/2002 | CN2480654Y Optical fibre valve state information transmitter |
03/05/2002 | US6352106 High-efficiency pumping and distribution system incorporating a self-balancing, modulating control valve |
02/27/2002 | EP1182422A1 Position measurement with spring and force measurement for actuators, BOP, valves |
02/27/2002 | EP1181474A1 Diagnostic system for a valve that can be actuated by a position controller via a drive |
02/27/2002 | CN2479317Y Explosion-proof air valve of tyre |
02/27/2002 | CN1337538A Two-way valve |
02/27/2002 | CN1337536A 双通阀 Two-way valve |
02/21/2002 | DE10128404A1 Magnetventil Solenoid valve |
02/14/2002 | US20020017324 Magnet valve |
02/13/2002 | CN2476695Y Locking temp.-sensing valve |
02/07/2002 | WO2001042693A3 Pressure relief valve detection and monitoring device and system |
02/06/2002 | EP1178379A1 Method and device for detecting a step motor locking |
02/06/2002 | CN2475902Y Automatic cutting-off device for preventing gas leakage |
02/05/2002 | US6343619 Two piece shower faucet gauge |
01/31/2002 | US20020011581 Valve seating with electrodes, especially for <<enamel-test>> type control device |
01/30/2002 | EP1176348A1 Valve seat comprising electrodes particularly for an "enamel-test"-type control device. |
01/24/2002 | DE10130989A1 Durchgangsventil Through valve |
01/24/2002 | DE10130955A1 Durchgangsventil Through valve |
01/24/2002 | DE10047073C1 Hydraulically-operated switching valve for mining or tunneling plant has feedback connection closed by closure element of control piston before releasing high pressure connection via valve element |
01/23/2002 | EP0861394B1 Process for testing the operation of fittings |
01/22/2002 | CA2122962C Method and apparatus for testing a spring-loaded safety valve |
01/17/2002 | US20020005785 Method of detecting abnormalities in flow rate in pressure-type flow controller |
01/10/2002 | US20020002999 Two-way valve |
01/10/2002 | US20020002998 Two-way valve |
01/09/2002 | CN2470630Y Water-tap with cleaning liquid itself |
01/09/2002 | CN2470629Y Valve-stem-stroke measuring control device |