| 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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| 12/29/2004 | EP1491862A1 Magnetic position detection apparatus for valves |
| 12/29/2004 | EP1490612A1 Pinch valve with pressure containing member |
| 12/29/2004 | CN2667254Y Multifunction electric valve |
| 12/29/2004 | CN1182448C Electric actuator for fluid control valves |
| 12/23/2004 | WO2004112097A2 Method for protecting a pneumatic control system from ingested contamination |
| 12/23/2004 | US20040256004 Rotating valve assembly |
| 12/22/2004 | CN2665471Y Visible contamination drain valve |
| 12/22/2004 | CN1556344A Intelligent porcelain core electric valve |
| 12/16/2004 | US20040250861 Redundant valve system |
| 12/16/2004 | US20040250859 Method for protecting a pneumatic control system from ingested contamination |
| 12/15/2004 | CN2663746Y Fire-fighting control valve |
| 12/15/2004 | CN1555468A System and method for monitoring a pressurized system |
| 12/14/2004 | US6830233 Control apparatus of electromagnetic drive valve and control method of the same |
| 12/14/2004 | US6830066 Valve with positively driven sensing switch connection |
| 12/09/2004 | WO2004106791A1 Fluid control valve |
| 12/09/2004 | WO2004106782A2 Rotating valve assembly |
| 12/09/2004 | US20040249517 Risk assessment for relief pressure system |
| 12/09/2004 | DE10322194A1 Diagnosesystem und -verfahren für ein Ventil, insbesondere ein Rückschlagventil einer Verdrängerpumpe The diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
| 12/09/2004 | CA2527095A1 Rotating valve assembly |
| 12/08/2004 | CN2662028Y Backflow self-closing valve |
| 12/08/2004 | CN1179141C Pilot differential valve with metering function |
| 12/07/2004 | US6827374 Junction member for a hydraulic circuit |
| 12/07/2004 | US6826947 Calibration process for the mobile spring of a solenoid valve |
| 12/02/2004 | US20040237656 Pressure regulator with gauge embedded handle |
| 12/02/2004 | DE19924377B4 Diagnosesystem für ein von einem Stellungsregler über einen Antrieb betätigbares Ventil Diagnostic system for a by a positioner via a drive operable valve |
| 12/01/2004 | EP1482221A1 Water mixing valve |
| 12/01/2004 | EP1315926A4 Water softener valve |
| 12/01/2004 | EP1104518A4 Integrated barrier fluid sealing apparatus with visual volume indicator |
| 12/01/2004 | CN2660273Y Indication panel means of balance valve |
| 11/30/2004 | US6824116 Valve of infrared operated automatic water supplier |
| 11/30/2004 | US6823886 Dispenser containment |
| 11/25/2004 | WO2004102053A1 Position detector for an electro hydraulic servo valve |
| 11/25/2004 | WO2004102052A1 Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
| 11/25/2004 | US20040231646 System for the metered feeding of volatile fuel components |
| 11/24/2004 | CN2658497Y Nuclear safety closed section valve with closed property detecting device |
| 11/23/2004 | US6822577 Position indicator for submerged valves |
| 11/23/2004 | US6820647 Valve position monitor |
| 11/23/2004 | US6820465 Apparatus for on-line detection of leaky valves |
| 11/18/2004 | DE102004016964A1 Entlastungsventil mit wählbarer Sperre Relief valve with adjustable lock |
| 11/17/2004 | CN2656725Y Mixed proportioning control valve |
| 11/16/2004 | CA2186459C Smart valve positioner |
| 11/11/2004 | WO2003078953A9 Protective device for measuring instruments |
| 11/11/2004 | US20040221896 Position detector for an electro hydraulic servo valve |
| 11/10/2004 | CN1175330C Method of and apparatus for deterministically obtaining measurements of a process control device parameter while operating a process on-line |
| 11/09/2004 | US6814100 Shock actuated responsive mechanism with means to enable a remote detecting means to determine that the valve assembly has been closed |
| 11/04/2004 | US20040216511 Test fixture assembly for directional pilot valve and related method |
| 11/03/2004 | CN2653262Y Valve for indicating open and close state |
| 11/03/2004 | CN2653240Y Magnetic filter temperature detection ball valve |
| 11/02/2004 | US6810902 Automatic water shut off system to prevent overflow of a plumbing device |
| 10/28/2004 | US20040211928 Method and device for controlling the switching movement of a valve |
| 10/28/2004 | US20040211462 Microprocessor-based gas meter |
| 10/27/2004 | EP1471245A2 Device for feeding measured quantities of volatile fuel components particularly to the intake conduit of an internal combustion machine of a vehicle |
| 10/27/2004 | EP1470870A2 Installation for cleaning a main pipeline by means of a pig |
| 10/27/2004 | CN2651556Y Valve with current-limiting display structure |
| 10/26/2004 | US6807875 Self-compensating position sensor |
| 10/21/2004 | US20040206407 Selectable detent relief valve |
| 10/21/2004 | DE202004013397U1 Flow control valve has spring-loaded partition with central aperture which slides along flow channel to close outlet pipe |
| 10/21/2004 | DE10312868A1 Position interrogation device, for determining the position of a piston within a cylinder, involves monitoring pressure at four locations within cylinder and evaluating pressure signals to determine piston position |
| 10/20/2004 | CN2649891Y One-way angle valve with dynamic signal output function |
| 10/20/2004 | CN1538077A Selectable detent relief valve |
| 10/20/2004 | CN1172223C Method of and apparatus for nonobtrusively obtaining on-line measurements of process control device paratmeter |
| 10/19/2004 | US6806600 Actuator apparatus including a marker device |
| 10/19/2004 | US6805158 Apparatus for visually checking the operational status of a stop valve, and a manual opening apparatus for a normally-closed valve |
| 10/14/2004 | WO2004088190A1 Valve monitoring method and arrangement |
| 10/14/2004 | US20040201332 Flexural actuator and an actuator means fitted with same |
| 10/07/2004 | DE10314005A1 Multi-way valve for heating/ventilation industry has adjusting seat to vary max. flow rate |
| 10/07/2004 | DE10312087A1 Verfahren zur Funktionsprüfung eines Hydraulikventils und Prüfstand zur Durchführung des Verfahrens A method for functional testing of a hydraulic valve and test bench for carrying out the method |
| 10/06/2004 | CN2646489Y 容器阀 Container valve |
| 10/06/2004 | CN1170078C Valve assembly with electric timer to control open/shut functions |
| 09/30/2004 | WO2004083650A1 Method for testing the function of a hydraulic valve and a test bench for carrying out said method |
| 09/30/2004 | US20040187921 Tap for gas or liquid cylinder |
| 09/30/2004 | DE202004012414U1 Manuell zu betätigende Armatur Manually operated valve |
| 09/29/2004 | EP1462691A1 Tap for gas or liquid cylinder |
| 09/29/2004 | EP1462690A1 Valve for gas container |
| 09/29/2004 | CN2644814Y Safety valve of high pressure cleaning machine capable of pressure maintaining |
| 09/23/2004 | WO2004081436A1 Motorized valve diagnosing method and device |
| 09/23/2004 | US20040182439 Smart device and system for improved domestic use and saving of water |
| 09/23/2004 | DE10310874A1 Detection method for detecting valve leakage in medium flow line, involves detecting valve leakage when evaluated medium flow is greater than predetermined value when valve is in closed state |
| 09/23/2004 | DE10309149A1 Security shut-off system for a liquid transport network comprises fire-protected liquid detectors and shut-off valves with the detectors linked by radio to a portable monitoring unit, which can detect transmitting detectors |
| 09/16/2004 | US20040178219 Photoresist pump dispense detection system |
| 09/16/2004 | DE10310109A1 Device for the dosed injection of volatile fuel constituents into the inlet of a motor vehicle combustion engine has sensor control of valve throttle |
| 09/16/2004 | DE10309909A1 Rapid closing device triggered by pressure sensor, for protecting vacuum equipment, has tube closing cap on secured end of arm, with pivoting prevented by spring |
| 09/15/2004 | EP1456569A1 Valve, particularly handwheel for a balancing valve |
| 09/15/2004 | EP1387975B1 Method and device for controlling the switching movement of a valve |
| 09/15/2004 | CN1166884C Manifold valve with position detecting function |
| 09/15/2004 | CN1166883C Two-way valve |
| 09/14/2004 | US6789570 Hydraulic valve with a position sensor |
| 09/08/2004 | EP1454085A1 Process control valve |
| 09/08/2004 | CN2639647Y U-shaped support valve hand wheel with position indicator |
| 09/08/2004 | CN2639643Y Driving mechanism of controllable valve |
| 09/07/2004 | US6786237 Air servo valve |
| 09/02/2004 | WO2004074661A1 Sensor module unit and throttle device with the same |
| 09/02/2004 | US20040168726 Control valve |
| 09/02/2004 | US20040168689 Respirator |
| 09/02/2004 | DE10318902B3 Arrangement for cleaning a main pipeline containing a flowable product using a pig comprises a pig transfer ball valve arranged in a bypass line and having a ball with a pocket hole receiving the pig |
| 09/01/2004 | EP1453115A1 Bending actuator and apparatus comprising the same |
| 09/01/2004 | CN2637859Y Planetary valve hand wheel with position indicator |
| 09/01/2004 | CN2637858Y Multichannel distributing valve with detecting positioner |
| 09/01/2004 | CN2637857Y Flow quantity regulating direction indicating and marking structure |
| 09/01/2004 | CN2637830Y High pressure large flow quantity profill valve for full liquid control open close state detection |