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