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)
05/2003
05/28/2003EP1164911B1 Self-evacuating vacuum cleaner
05/27/2003US6568645 Mounting bracket for a utility meter transceiver unit
05/27/2003CA2412716A1 Valve
05/22/2003WO2003042586A1 Process control valve
05/21/2003CN1419108A Vane type flow detector
05/14/2003CN2550608Y Gas control switch identifying line mounting structure
05/14/2003CN2550585Y Monitorable self sealing energy saving valve
05/14/2003CN1417563A Temperature information detector and position detector for angle sensor
05/14/2003CN1108476C Pilot change-over valve with position detoction fuction
05/08/2003WO2003038326A1 Visual position indicator for valves with linear moving valve stem
05/08/2003WO2003038325A1 Over-pressure protection system
05/08/2003US20030086470 Temperature information detecting device for angle sensor and position detecting device
05/07/2003CN2549294Y Built-in wiring pressure releasing valve
05/07/2003CN1415883A Device for indicating angle of opening of concealed stem valve
05/06/2003US6557577 Threaded union safety device and method
05/02/2003EP1216375B1 Diagnostic system and method, especially for a valve
05/01/2003WO2002027685A9 Double check valve assembly for fire suppression system
05/01/2003US20030079670 Visual position indicator for valves with linear moving valve stem
04/2003
04/30/2003CN1414296A Fire regulating device
04/30/2003CN1414295A Fire regulating device
04/30/2003CN1414274A Safety valve having on line detection function
04/29/2003US6554024 Stem seal pressure telltale
04/24/2003WO2003033958A1 Steam trap instrument module
04/24/2003WO2002040914A3 Valve with handle including sensors and memory
04/24/2003US20030074981 Steam trap instrument module
04/23/2003CN2546703Y Gascut-off valve
04/23/2003CN2546702Y Gas stop valve
04/23/2003CN2546701Y 气体切断阀 Gas shut-off valve
04/22/2003US6550314 Apparatus and method for on-line detection of leaky valves
04/17/2003WO2002099321A3 Control valve
04/16/2003CN2545433Y Coaxial controlled firefighting signal butterfly valve
04/15/2003US6546956 Opaque container fluid indicator
04/10/2003US20030069270 Pharmaceutical composition having enhanced antitumor activity and/or reduced side effects, containing an antitumor agent and an hydroxImic acid derivative
04/10/2003US20030067229 Actuator apparatus including a marker device
04/10/2003DE20300467U1 Rotary sleeve valve has position recording means to record one or more control positions of sleeve and to transmit corresponding electrical position signals
04/09/2003CN2544156Y Comprehensive protector for valve electric device
04/08/2003US6543468 Instrument installation and method for testing imperviousness in a high pressure process
04/02/2003EP1298372A2 Diagnostic system for a switching valve
04/02/2003EP0993304B1 Pharmaceutical composition having enhanced antitumor activity and/or reduced side effects, containing an antitumor agent and an hydroxamic acid derivative
04/02/2003CN2542896Y Multi-purpose safety valve
03/2003
03/27/2003US20030056834 Exhaust gas regulator including a non-contact sensor
03/26/2003EP1295058A1 A driving device including a position indicator
03/26/2003CN1103891C Enclosed indicator for apiston in a control valve
03/20/2003WO2003023346A1 Pressure indicator
03/20/2003WO2002044759A3 Self-compensating position sensor
03/20/2003US20030052290 Method and apparatus for correcting cock driving device in beverage dispenser
03/18/2003US6532980 Pressure source with constant relative increase of pressure and method for diagnosing safety valves for over or under pressure
03/13/2003US20030050345 Pharmaceutical composition having enhanced antitumor activity and/or reduced side effects, containing an antitumor agent and an hydroximic acid derivative
03/13/2003US20030047211 Dispenser containment
03/11/2003US6530396 Valve coupler for delivering air into a propane tank
03/11/2003US6530277 Diagnostic system for a valve that can be actuated by a position controller via a drive
03/05/2003EP0783645B1 Apparatus and method for use in testing gas pressure reduction equipment
03/05/2003CN2539032Y Pulse valve
02/2003
02/27/2003US20030038261 Control apparatus of electromagnetic drive valve and control method of the same
02/26/2003CN2537874Y Valve position communicator
02/20/2003US20030034469 Method and apparatus to test a shutdown device while process continues to operate
02/20/2003US20030033886 Valve packing gland pressure sensing by capacitance measurement
02/20/2003US20030033868 Valve monitor
02/20/2003US20030033867 Valve monitor
02/19/2003CN2536870Y Alarm tap
02/19/2003CN2536867Y Adjustable electric valve positioner
02/18/2003US6520202 Manifold valve having position detecting function
02/16/2003CA2397028A1 Valve packing gland pressure sensing by capacitance measurement
02/13/2003WO2003012760A2 System and method for monitoring a pressurized system
02/12/2003EP1282798A1 Position controller especially for a drive actuated valve having inherent safety design
02/11/2003US6516828 Snap-type safety relief valve having a consistent low blow-down value
02/06/2003US20030028257 Actuator controller for selecting a communication language
02/05/2003EP1011840B1 Fluid filter arrangement including valve arrangement, fluid level indicator, and methods thereof
02/05/2003CN2534447Y Pressure sensing guide valve
02/05/2003CN2534431Y Locking filtering regulating valve
01/2003
01/31/2003WO2002021072A2 Displacement measurement with a spring and force measurement for actuators, blow-out preventers, valves
01/31/2003CA2418099A1 Displacement measurement with a spring and force measurement for actuators, blow-out preventers, valves
01/30/2003US20030019297 Diagnostic system and method, especially for a valve
01/30/2003US20030019277 System and method for monitoring a pressurized system
01/29/2003EP1279876A1 Actuator for control valves
01/29/2003EP1278977A2 Electric actuator for fluid control valves
01/29/2003EP0757808B1 Smart valve positioner
01/29/2003CN2533344Y Energy-saving constant-volume self-closing water tap
01/22/2003CN2532337Y 电气阀门定位器 Electric valve positioner
01/22/2003CN2532335Y Temp. detection regulation cat off valve
01/22/2003CN2532326Y Instrument type temp.-adjustable water tap
01/16/2003US20030011136 Double block valve with proving system
01/16/2003US20030010103 Apparatus and method for testing internal combustion engine valves
01/16/2003DE20215107U1 Stop cock or gate valve, comprising element joined to spindle indicating position of closing unit
01/15/2003EP1275837A2 Actuator apparatus including a marker device
01/15/2003CN2531213Y Electronic locating device for electrically operated valve
01/15/2003CN2531212Y Mechanical locating device for electrically operated valve
01/15/2003CN2531179Y Valve capable of measuring internal stock of liquefied gas in tank
01/14/2003US6505642 Manifold valve having position detecting function
01/14/2003US6505501 Apparatus and method for use in testing gas pressure reduction equipment
01/09/2003WO2003002205A1 Respirator
01/09/2003WO2000072932A3 Water softener valve
01/09/2003US20030008532 Method and apparatus for increasing flow capacity associated with a valve
01/08/2003EP1272783A2 Pressure relief device for a sealed system
01/07/2003US6502458 Method for checking the operational readiness of a valve
01/02/2003EP1270907A1 Throttle device and throttle sensor of internal combustion engine
01/02/2003EP1269054A1 Positioner, especially for a valve that can be actuated by a drive
12/2002
12/25/2002CN2527815Y Multifunctional valve device for puming hydraulic system
12/25/2002CN2527793Y Domestic pipeline gas timing safety valve
12/25/2002CN2527792Y LPG cylinder general timing safety valve
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