| 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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| 05/22/2001 | US6234399 Method and means for determining malfunctioning of a thermostatic valve |
| 05/22/2001 | US6234018 Safety liquid level sight gauge |
| 05/09/2001 | CN2429707Y Valve with unit for controlling and indicating opening degress |
| 05/09/2001 | CN2429673Y Positioner for electric controlled valve |
| 05/08/2001 | US6229447 Indicator assembly for a pressurized gas line |
| 05/03/2001 | DE19949781C1 Mounting to fit a valve structure at a valve yoke has two legs with an opening in one leg with a marking for a clear view and alignment of the drive spindle with the valve in an electropneumatic process setting control |
| 05/02/2001 | CN2428662Y Opening transducer for hand valve |
| 05/02/2001 | CN2428656Y Gas self-controlled pressure-regulation fire retardant alarming valve |
| 05/01/2001 | US6223769 Gas pressure sensor and indicator apparatus for recreational vehicles and the like |
| 05/01/2001 | US6223766 Pressure testing apparatus and testing method for propane tank systems |
| 04/25/2001 | CN2427689Y Multi-functional combustible gas alarming safety valve |
| 04/24/2001 | US6220284 Pilot operated directional control valve having position detecting function |
| 04/24/2001 | CA2069894C Valve equipped with a position detector and a micropump incorporating said valve |
| 04/18/2001 | EP0991888A4 Method and apparatus for on-line detection of leaky emergency shut down or other valves |
| 04/12/2001 | WO2001025662A2 Diagnostic system and method, especially for a valve |
| 04/12/2001 | WO2001025661A1 Flow control valve assembly |
| 04/12/2001 | CA2386145A1 Diagnostic system and method, especially for a valve |
| 04/10/2001 | US6213148 Valve lock and adapter |
| 04/05/2001 | DE19947129A1 Diagnosis system, especially for control |
| 04/05/2001 | DE10046653A1 Accelerator pedal deflection determination unit for use in vehicle, employs mechanical transmission unit between pedal arm and rotary sensor, limiting resiliently-controlled pedal travel by stop |
| 04/03/2001 | US6211667 Electronic position transmission device adapted to transmit the position of stem of valves |
| 04/03/2001 | US6209562 Valve assembly, pressure testing apparatus and testing method for propane tank system |
| 04/03/2001 | US6209560 Pressure testing assembly and testing method for propane tank systems |
| 03/29/2001 | WO2001021989A1 Gas safety valve |
| 03/29/2001 | WO2001021987A1 Disk check valve with flow indicator |
| 03/28/2001 | CN2425246Y Control valve |
| 03/22/2001 | WO2001020203A1 Multifunctional valve assembly for fluid flow regulation |
| 03/22/2001 | WO2001006162A3 Method and apparatus for measuring the position of a solenoid valve stem |
| 03/22/2001 | DE19949733A1 Device for measuring threshold pressure of safety valve uses cylinder and piston attached to valve plate, valve above piston allowing cylinder to be pressurised and second valve below ensuring cylinder is unpressurised when not operating |
| 03/22/2001 | DE19939497A1 Antrieb eines Stellventils mit Sensiereinheit zur Ventilpositionserfassung Drive a control valve with sensing unit for valve position sensing |
| 03/21/2001 | CN2424334Y Butterfly type temp regulation valve |
| 03/20/2001 | US6202681 Vacuum pressure control system |
| 03/20/2001 | US6202680 Positioner and its setting method |
| 03/15/2001 | WO2001018620A1 Intelligent valve positioner tuning |
| 03/14/2001 | EP1083314A2 Return spring mechanism for an electronic throttle control assembly |
| 03/07/2001 | CN1286364A Hot water tap able to collect overflowed water and show temp |
| 03/06/2001 | US6196262 Valve for testing and draining sprinkler systems |
| 03/01/2001 | WO2001014777A1 Device and method for checking a safety valve |
| 03/01/2001 | WO2001014750A2 Control-valve drive with sensor unit for detecting the position of the valve |
| 03/01/2001 | WO2001014191A1 Pressure control valve |
| 03/01/2001 | DE19940471A1 Stopcock for use in pipeline has inlet and outlet in ball which are of different shapes |
| 02/28/2001 | CN2421479Y 阀门 Valve |
| 02/22/2001 | WO2001013191A1 Method for detecting abnormal flow rate for pressure flow rate controller |
| 02/22/2001 | DE19937597A1 Setting drive for large industrial valves has the setting drive and the control system integrated within a common housing with virtual elimination of relative oscillations between the control and the drive |
| 02/21/2001 | EP1076789A1 Enclosed indicator for a piston in a control valve |
| 02/20/2001 | US6192321 Method of and apparatus for deterministically obtaining measurements |
| 02/20/2001 | US6189565 Valve with light emitting and detecting and detecting arrangement for monitoring opening and closing of the valve |
| 02/20/2001 | CA2201372C Apparatus and method for use in testing gas pressure reduction equipment |
| 02/13/2001 | US6186167 Emergency shutdown test system |
| 02/13/2001 | US6185828 Position signal transmitter for a servo drive |
| 02/08/2001 | WO2001009540A1 Position indicator for submerged valve |
| 02/07/2001 | CN2418309Y 蝶阀 Butterfly |
| 02/06/2001 | US6182941 Micro-valve with capacitor plate position detector |
| 02/06/2001 | US6182691 Motorcycle petcock cover assembly and method |
| 02/06/2001 | US6182690 Position sensing system for butterfly valves |
| 02/01/2001 | WO2001006969A1 Urine drain assembly with tube clamp valve |
| 01/31/2001 | EP1071900A2 Pressure relief valve monitoring device |
| 01/25/2001 | WO2001006162A2 Method and apparatus for measuring the position of a solenoid valve stem |
| 01/24/2001 | EP1070893A2 Method and device for managing operation of solenoid valve |
| 01/24/2001 | CN2416317Y Anti-freezing water valve |
| 01/24/2001 | CN2416300Y Self-controlling water valve |
| 01/24/2001 | CN1281168A Method and device for action management of electromagnetic valve |
| 01/24/2001 | CN1281112A Selector valve with position detection function |
| 01/23/2001 | US6176247 Method and device for verifying the workability of a safety device |
| 01/17/2001 | EP1069322A2 Directional control valve having position detecting function |
| 01/17/2001 | EP1069321A2 Directional control valve having position detecting function |
| 01/17/2001 | EP1069320A2 Directional control valve having position detecting function |
| 01/17/2001 | EP1069319A2 Pilot operated directional control valve having position detecting function |
| 01/17/2001 | EP1069318A2 Pilot operated directional control valve having position detecting function |
| 01/17/2001 | CN1280681A Method and device for verifying workability of safety device |
| 01/17/2001 | CN1280659A Method of and apparatus for deterministrictically obtaining measurements of a process control device parameter while a process is operating on-line |
| 01/17/2001 | CN1280262A Pilot change over valve with position detection function |
| 01/17/2001 | CN1280261A Change-over valve with position detection function |
| 01/17/2001 | CN1280260A Change-over valve with position detection function |
| 01/17/2001 | CN1280259A Pilot change-over valve with position detoction function |
| 01/16/2001 | US6173740 Highly versatile fluid-actuated valve control actuator |
| 01/11/2001 | DE10031451A1 Mixer tap has handles fitted with cogs which cooperate with second set of cogs connected to valve mechanism of tap |
| 01/09/2001 | US6170509 Safety valve system |
| 01/04/2001 | WO2001001432A1 Gas valve safety device |
| 01/04/2001 | WO2001000999A1 Positioning device with sensor |
| 01/04/2001 | CA2377885A1 Gas valve safety device |
| 01/03/2001 | CN1278930A Mehtod of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter |
| 01/02/2001 | US6167852 Vale opening and closing time detecting apparatus and method thereof for electromagnetically operated valve mechanism in internal combustion engine |
| 01/02/2001 | CA2200248C Pneumatic actuator having an end mounted control device |
| 01/02/2001 | CA2134398C Device to indicate operating state of a linear actuation valve |
| 12/28/2000 | WO2000079234A1 Methods for monitoring wear in seat materials of valves |
| 12/28/2000 | DE19929074A1 Control device has sensor with two electrically conducting contacts embedded in housing, mutually electrically isolated and at distance bridged by elastic deformation of at least one contact |
| 12/28/2000 | CA2375520A1 Methods for monitoring wear in seat materials of valves |
| 12/27/2000 | EP1062448A1 Adjustment for signal transmitter |
| 12/27/2000 | EP0854976B1 Combined pressurizing, flow measuring and flow splitting valve |
| 12/26/2000 | US6164324 Adjustable quick closing disk check value with flow indicator |
| 12/21/2000 | WO2000077430A1 Sight glass with check valve and filter |
| 12/19/2000 | US6161835 Integrated barrier fluid sealing apparatus with visual volume indicator |
| 12/13/2000 | CN2410511Y Electronic valve position single feedback device |
| 12/13/2000 | CN2410507Y Electronic timing gas pressure-reducing valve |
| 12/07/2000 | WO2000073688A1 Diagnostic system for a valve that can be actuated by a position controller via a drive |
| 12/07/2000 | WO2000072932A2 Water softener valve |
| 12/06/2000 | CN2409391Y One-way controlling valve |
| 12/05/2000 | US6155283 Intelligent valve positioner tuning |
| 11/29/2000 | EP1055855A1 Device for simultaneously detecting the closed position of two movable valve members and use with fire blocking valve |