Patents
Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120)
04/2002
04/10/2002EP1194716A1 Hydrogen fuel replenishment process and system
04/03/2002CN2484469Y Gas leakage preventing apparatus of gas pipeline drainer
03/2002
03/26/2002US6360619 Aviation fuel sampling safety valve assemblies
03/14/2002US20020031417 Fluid control device
03/13/2002EP1186349A1 Device for delivering one or more materials and delivery method using the same
03/07/2002US20020026868 High-pressure pneumatic and liquid injection apparatus
03/06/2002CN1338587A In-line continuous measuring method for concentration and density of liquid medium
02/2002
02/27/2002EP1181483A1 Seal-gas valve device
02/21/2002CA2317490A1 Liquid slug and gas separation method and apparatus for gas pipelines
02/20/2002EP1180066A1 Optimised scraper for a conduit
02/20/2002CN2477935Y Hydraulic driving automatic liquid conveyer
02/13/2002CN1335475A Reliquefaction of compressed steam
02/06/2002EP1176917A1 Gas flow control in gas-assisted esu
01/2002
01/30/2002CN2474521Y Micro scale controlled medicine metering machine
01/15/2002US6338359 Dual automatic insertion device
01/09/2002CN2470653Y Continuous sampling device for oil-delivery pipeline
01/08/2002US6336389 High-pressure pneumatic and liquid injection apparatus
01/03/2002US20020000161 Method of removing moisture in gas supply system
01/02/2002EP1167865A1 Method of automatic mesh generation of conduits to implement flow model coding
01/02/2002EP1167863A1 Device for storage and mixing of two gases
01/02/2002EP1167846A2 Mounting assembly for valves
01/02/2002CN1329226A Device for storing and mixing two gas
12/2001
12/23/2001CA2351113A1 Method for the automatic linking of pipework to enable the implementation of flow modeling codes
12/20/2001US20010052360 Device for storing and mixing two gases
12/20/2001CA2351107A1 System for the storage and mixture of two gases
11/2001
11/22/2001US20010043867 Pressure fluctuation dampening system
11/22/2001US20010042377 Reliquefaction of compressed vapour
11/21/2001CN1322914A Petroleum pipeline leakage warning and leaking point positioning system
11/07/2001CN1320872A Device and method for generating diagrammatic sketch of equipment of analyser contg. supplied gas
10/2001
10/25/2001US20010032674 System and method for monitoring parameters of a flowable medium within an array of conduits or pipes
10/24/2001CN1318709A Natural gas pipe drying technology
10/23/2001CA2325756C Multi-step gas saver
10/03/2001CN1316044A Dewatering method for gas supply systems
09/2001
09/19/2001EP0835157B1 Linear solids removal unit
09/19/2001EP0815374B1 Flow compensated pressure control system
09/18/2001US6289715 System for analyzing the atmosphere in an enclosure for soldering or tinning by means of a metal alloy
09/12/2001EP1132698A1 Reliquefaction of compressed vapour
09/11/2001US6288650 Device and method for monitoring the operation of an industrial installation
09/05/2001EP1130309A1 Dewatering method for gas supply systems
08/2001
08/16/2001US20010013832 Device and method for monitoring the operation of an industrial installation
08/14/2001US6273129 Device for distributing a working gas and installation for supplying a working gas that is equipped with such a device
07/2001
07/18/2001EP1116913A2 Method and apparatus for refueling a hydrogen tank for a fuel cell
07/18/2001CN2439592Y Chemicals adding apparatus used for liquid pressured pipeline
07/18/2001CN1304010A Peak-regulating and gas-storing method for natural gas pipe network
07/06/2001CA2323192A1 Method and apparatus for refueling an electrochemical engine
07/05/2001DE10020722A1 Integriertes Gassteuergerät Integrated gas control unit
07/03/2001CA2219814C Linear solids removal unit
06/2001
06/20/2001CN2435619Y Automatic sampling device for use in crude delivery pipeline
06/19/2001US6247903 Pressure fluctuation dampening system
06/13/2001EP1106923A2 Valve unit for controlling the delivery of a combustible gas
06/07/2001US20010002595 Valve unit for controlling the delivery of a combustible gas
06/02/2001CA2327396A1 Valve unit for controlling the delivery of a combustible gas
05/2001
05/22/2001US6234759 Method for regulating a fluid pressure
05/16/2001CN2430605Y Automatic filler for oil field aid gent
04/2001
04/19/2001DE19949304A1 Flow meter unit is complete assembly with accurately known dimensions allows accurate calibration
04/17/2001US6216739 Integrated gas control device
04/17/2001US6216543 Method and device for controlling liquid fluxes in pipes lines
04/12/2001WO2001025680A1 Method and device for detecting deposit in a conduit
04/10/2001US6216091 Ultrasonic measurement system with molecular weight determination
04/04/2001EP1089153A1 Method and system for implementing an installation scheme comprising gas-fed devices
04/01/2001CA2321416A1 Process and apparatus for producing a diagram of an installation comprising apparatuses supplied with gas
03/2001
03/28/2001EP1086336A1 Pipeline monitoring systems
03/27/2001US6206878 Condition responsive gas flow adjustment in gas-assisted electrosurgery
03/22/2001WO2001020221A1 Dewatering method for gas supply systems
03/22/2001DE19954426C1 Pipeline flow measuring method determines force exerted on elongate measuring body supported transverse to pipeline flow
03/22/2001DE19944147A1 Monitor for the medium flow through a pipe has a measurement ring inserted between the flanges at pipe connections with drillings leading into the pipe interior to take connections for measurement instrument where required
03/22/2001CA2347784A1 Method of removing moisture in gas supply system
03/20/2001US6202710 Method and apparatus for refueling an electrochemical engine
03/14/2001CN1287269A Analytical system of closing indoor atmosphere with alloy soldering or during tinplating
03/13/2001US6199432 Fluid pressure testing
03/07/2001CN1286370A Natural gas storage apparatus for supplying gas in small area and its application method
02/2001
02/28/2001CN2421272Y Device for adding soluble solid chemical to pipe
02/21/2001CN1284620A Method for conveying naphtha in crude oil pipeline
02/14/2001EP1076201A1 Method for transporting naptha in a crude oil pipe line
02/14/2001CN2419462Y Pressure limiting valve for pressure regulator for gas pipeline
02/07/2001CN2418343Y Inching valve box for oxygen
01/2001
01/25/2001DE19934397A1 Throughflow measurement device has baffle element subjected to fluid flow, attached to free end of cantilever bearer element, moved by fluid flow with bearer element, motion sensor
01/17/2001CN2415241Y Automatic controller of pipeline medium
01/04/2001WO2001001036A1 High pressure pneumatic drive for liquid injection apparatus
01/02/2001US6168048 Methods and systems for distributing liquid chemicals
12/2000
12/27/2000EP1063510A1 Analysis system for the atmosphere of a hard-soldering or tin-plating cavity
12/24/2000CA2309800A1 Installation for analysis of the atmosphere of a chamber for brazing or tinning with a metal alloy
12/13/2000EP1059482A1 Method and device for supplying a corrosive gas to a distribution line
12/13/2000CN2410521Y Gas supply complete set device
11/2000
11/23/2000WO2000070262A1 Hydrogen fuel replenishment process and system
11/16/2000WO2000067926A1 Optimised scraper for a conduit
11/16/2000WO2000067654A1 Gas flow control in gas-assisted esu
11/12/2000CA2271450A1 Hydrogen fuel replenishment process and apparatus
11/09/2000DE19954427A1 Preventative shutting-off arrangement for gas supply lines
10/2000
10/12/2000WO2000060276A1 Seal-gas valve device
10/05/2000WO2000058036A1 Pressure fluctuation dampening system
10/05/2000DE19914282A1 Locking gas valve device, with pressure reducer between inlet and narrow point
09/2000
09/28/2000WO2000057143A1 Volume flow measuring device
09/27/2000CN2398504Y Gas low pressure protective distributor
09/21/2000DE19912587A1 Volumenstrommeßgerät Volumenstrommeßgerät
09/20/2000CN2397354Y Oxygen pressure automatic regulating valve group
09/20/2000CN2397353Y Automatic and manual interchangeable inflatable controller
08/2000
08/31/2000DE19841782A1 Automatic sampling system used in clarification plants comprises a ceramic plate with an eccentric bore that rotates between a stationary ceramic plate with a feed bore and a stationary plate with a discharge bore on a central axis
08/22/2000US6105930 Fluid controller with pivoting valve stem operator
08/10/2000WO2000046545A1 Method and device for monitoring flow parameters in a pipeline in order to register hydrate formation
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