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)
11/2000
11/29/2000CN2408334Y Leak detection type gas pressure adjusting valve
11/28/2000US6152173 Position indicating check valve
11/28/2000US6152172 Hall effect valve spool position sensor
11/23/2000DE19922971A1 Verfahren zur Inbetriebnahme eines elektromagnetischen Aktuators zur Betätigung eines Gaswechselventils an einer Kolbenbrennkraftmaschine A method for starting an electromagnetic actuator for actuating a gas exchange valve in a reciprocating internal combustion engine
11/23/2000DE19917737A1 Regulator has a housing and driving member operated by a setting device
11/22/2000EP1054138A2 Method for starting an electromagnetic valve actuator in an internal combustion engine
11/22/2000CN2407202Y Blast regulator
11/15/2000CN2406126Y 自动分选阀 Automatic sorting valve
11/14/2000US6145627 Zero point position-determining mechanism for pressurized fluid-driven apparatuses
11/14/2000US6145537 Valve position indicator
11/08/2000EP1049892A1 Cap with integrated position display and lift stop for the spindle of a shut-off device and method and device for the production thereof
11/08/2000CN2405078Y Automatic earthquake cut-off valve for non-impurities gas pipeline
11/02/2000WO2000065263A1 Tube valve
11/01/2000CN2403962Y Multifunction gas combustion safety controller
10/2000
10/31/2000US6138712 Controller
10/26/2000DE19917698A1 Ventilanordnung Valve assembly
10/25/2000EP1046845A2 Valve assembly
10/25/2000CN1271410A Diagnostic device and method for pressure regulator
10/24/2000US6135147 Integrated valve control and monitoring assembly
10/24/2000US6134949 Method and apparatus for on-line detection of leaky emergency shut down or other valves
10/17/2000US6131609 Method for surveying the condition of a control valve, and a valve apparatus
10/11/2000CN1269733A Fluid filtering arrangement including valve arrangement, fluid level indicator and methods thereof
10/10/2000US6128946 Method and apparatus for on-line detection of leaky emergency shut down or other valves
10/05/2000WO2000057763A1 Self-evacuating vacuum cleaner
10/05/2000WO2000029812A3 Piezo-resistive position indicator
10/05/2000DE19914372A1 Device for monitoring action of electromagnetically operated valve has short circuit ring mounted at defined stroke length beneath Hall sensor switch and connected to evaluation unit
10/03/2000US6125869 Self-diagnosis method for mass flow controller
10/03/2000US6125868 Method and apparatus for maintaining valves in a water distribution system
09/2000
09/28/2000WO2000057143A1 Volume flow measuring device
09/27/2000CN2398491Y Display device for unclosed valve
09/21/2000DE19912587A1 Volumenstrommeßgerät Volumenstrommeßgerät
09/19/2000US6119304 Self-evacuating vacuum cleaner
09/14/2000DE19910751A1 Circuit arrangement to adjust position of valve tappet; moves tappet temperature-dependent extension body that is heated by voltage proportional to voltage to move total amount
09/12/2000US6116274 Sight glass with check valve and filter
09/08/2000WO2000052374A1 Emergency shutdown test system
09/07/2000DE19939695C1 Pressure vessel safety valve testing apparatus has a tie rod with a detent fitted to the valve cone with a counter unit and force meter with a detent hook at a gap from the valve housing
09/06/2000EP1033496A1 Fluid-powered actuator for a valve
09/06/2000CN2395097Y Steam flow regulator in drying device
09/05/2000US6114823 Circuit and apparatus for sensing fluid flow
09/05/2000US6112765 Method and apparatus for monitoring operation of a gaseous fuel admission valve
09/05/2000US6112619 Hand wheel cover with indicator
08/2000
08/31/2000WO2000050796A1 Position detection for rotary control valves
08/30/2000EP1031779A2 Apparatus and method for use in testing gas pressure reduction equipment
08/30/2000CN2394074Y Outlet water temperature limiter for cold and hot water mixing valve
08/17/2000DE19906056A1 Verfahren und Vorrichtung zum Betreiben eines Thermostatventils Method and apparatus for operating a thermostat valve
08/16/2000EP1027635A1 Method and device for verifying the workability of a safety device
08/16/2000CN1263471A Pharmaceutical composition having enhanced antitumor activity and/or reduced side effects, containing antitumor agent and hydroxamic acid derivative
08/09/2000EP1025380A1 Method and device for controlling a valve with pneumatic control
08/08/2000US6098646 Dispensing system with multi-port valve for distributing use dilution to a plurality of utilization points and position sensor for use thereon
07/2000
07/26/2000CN2389272Y Temp. measuring ball valve
07/19/2000EP1019790A1 Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter
07/19/2000EP1019649A1 Method of and apparatus for deterministically obtaining measurements of a process control device parameter while a process is operating on-line
07/19/2000CN2388452Y Signal output sluice valve
07/19/2000CN2388451Y Signal output butterfly valve
07/18/2000US6089264 Flow meter
07/12/2000EP1017950A1 Diagnostic device and method for pressure regulator
07/05/2000EP1015800A1 Method and device for determining a valve closure point
07/05/2000EP0817933B1 Process for monitoring and operating valve units, in particular motor-driven valve units
07/05/2000CA2292848A1 Improved apparatus for sensing fluid flow and associated load control circuit
07/04/2000US6083381 Fuel filter with sediment drain valve and level indicator
06/2000
06/29/2000WO2000037839A1 Pressure regulator with gauge
06/28/2000EP1011840A1 Fluid filter arrangement including valve arrangement, fluid level indicator, and methods thereof
06/28/2000CN1258340A Manually actuated diaphragm valve with lockout feature for open and closed positions
06/27/2000US6079441 Adjustable electronic position indicator apparatus
06/21/2000CN2384078Y Lead wire protector for gas valve
06/15/2000WO2000009956A3 Integrated barrier fluid sealing apparatus with visual volume indicator
06/14/2000EP1007925A1 Thrust sensor
06/13/2000US6073650 Valve with actuator whose functional capability can be monitored
06/02/2000WO2000031451A1 Pressure source with constant relative increase of pressure and method for diagnosing safety valves for over or under pressure
05/2000
05/25/2000WO2000029812A2 Piezo-resistive position indicator
05/11/2000DE19849700A1 Micro-valve has housing with two facing layers between which is valve chamber containing valve member, actuator, detector and condenser
05/09/2000US6058967 Magnetic activation system for switch
05/09/2000US6058956 Cycling self checking block valve
05/04/2000WO2000024599A1 A pressure cutoff valve
04/2000
04/25/2000US6053193 Cycling, self checking pressure sensing system
04/25/2000US6052929 Mnemonic marking system for fluid valves and the like
04/19/2000EP0993304A1 Pharmaceutical composition having enhanced antitumor activity and/or reduced side effects, containing an antitumor agent and an hydroxamic acid derivative
04/18/2000US6050296 Control apparatus
04/18/2000US6050245 Canister vent valve having at least one sensor and single electric actuator operatively connected to a single electrical connector
04/13/2000WO2000020787A1 A method of manufacturing a labelled fluid control valve and a labelled fluid control valve
04/12/2000EP0991888A1 Method and apparatus for on-line detection of leaky emergency shut down or other valves
04/04/2000US6044849 Fluid pressure relief valve with variable opening pressure
04/04/2000US6044791 Apparatus for determining the position of a rotary valve
03/2000
03/28/2000US6041815 Enclosed indicator for a piston in a control valve
03/28/2000US6041814 Vacuum pressure control system
03/28/2000US6041813 Manually actuated diaphragm valve with lockout feature for open and closed positions
03/22/2000CN2370237Y Full closing indicator for valve
03/22/2000CN1247952A Flow rate controlling valve
03/22/2000CN1247945A Locator and setting up method thereof
03/14/2000US6035878 Diagnostic device and method for pressure regulator
03/14/2000CA2061908C Method and apparatus for determining set pressure of pilot operated pressure relief valve
03/09/2000DE19901528A1 Arrangement for monitoring and indicating the position of an electromagnet armature has electronic circuit that outputs error signal if control signal and actual position signal differ
02/2000
02/24/2000WO2000009956A2 Integrated barrier fluid sealing apparatus with visual volume indicator
02/24/2000WO2000009922A1 Electronic controller for a modulating valve
02/16/2000CN2364344Y Temp.-controlled water tap
02/10/2000WO1999056047A3 Pressure relief valve monitoring device
02/08/2000US6021652 Flow-control valve with valve member position sensor
02/01/2000US6019129 Valve position adjustable lock mechanism
02/01/2000US6019126 Remote function verification of low pressure and vacuum relief devices
01/2000
01/25/2000US6016778 Magnet valve, in particular for inlet and outlet valves of internal combustion engines
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