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