| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
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| 05/06/2005 | WO2005040670A1 Method and system for reducing liquid accumulation in a multiphase flow pipeline |
| 05/03/2005 | US6886393 Method and device for detecting deposit in a conduit |
| 04/28/2005 | US20050087254 Carrying method of crude oil and naphtha by dirty/crude oil carrier, and transfer method of the crude oil and naphtha from the carrier |
| 04/27/2005 | CN2695768Y Oil transfering station observing and controlling system for equilization transporting |
| 04/27/2005 | CN1609501A Chemical supply system and valve housing design thereof |
| 04/20/2005 | CN2694090Y Automatic gas controller for heating furnace |
| 04/20/2005 | CN2693992Y Inertial suction valve for carbon dioxide pump |
| 04/07/2005 | US20050074417 Polymeric gel system and compositions for treating keratin substrates containing same |
| 03/30/2005 | CN2689038Y Methanol injector on natural gas well top |
| 03/29/2005 | US6871802 Self-modulating inert gas fire suppression system |
| 03/23/2005 | CN2687487Y Methane suction device |
| 03/23/2005 | CN1598394A Apparatus of water draining for gas pipeline |
| 03/16/2005 | EP1515082A1 An arrangement for metering fluids, for instance for textile plants |
| 03/16/2005 | EP1514052A1 Pressure protection system |
| 03/16/2005 | CN1594707A An arrangement for metering fluids, for instance for textile plants |
| 03/09/2005 | CN2683998Y Desanding and antiscaling device |
| 03/09/2005 | CN1590832A Combination manual/pneumatic shut-off valve |
| 03/09/2005 | CN1590831A Peak regulating method of jet set natural gas intelligent peak value regulating device |
| 03/08/2005 | US6865522 Process and apparatus for producing a diagram of an installation comprising apparatuses supplied with gas |
| 02/17/2005 | WO2004092301A3 Drilling fluids comprising sized graphite particles |
| 02/16/2005 | EP1180066B1 Optimised scraper for a conduit |
| 02/15/2005 | US6854346 Purging system for use with a gas sampling system |
| 02/09/2005 | CN2677730Y Separater fluid discharger |
| 01/27/2005 | WO2005008060A2 On/off switch for liquid additive injection pump |
| 01/27/2005 | WO2005007453A2 Catv fire fighting vehicle |
| 01/27/2005 | US20050017833 Timing apparatus |
| 01/26/2005 | EP1500061A2 Conduit network system |
| 01/26/2005 | CN2674256Y Non-welding type impulse buffer |
| 01/21/2005 | CA2435639A1 Timing apparatus |
| 01/19/2005 | EP1498666A1 Fluid controller |
| 01/19/2005 | CN1566744A Urban natural gas pipe network detection and control system |
| 01/13/2005 | US20050005764 On/off switch for liquid additive injection pump |
| 01/12/2005 | EP1334306B1 Apparatus and method for transferring a cryogenic fluid |
| 01/06/2005 | US20050000570 Combination manual/pneumatic shut-off valve |
| 12/29/2004 | CN2667286Y Pipeline auxiliary device |
| 12/28/2004 | US6834664 Device making use of heated fluid to reduce dust products in waste gas pipeline |
| 12/09/2004 | WO2004106800A1 Multi-diaphragm valve |
| 12/09/2004 | WO2004072448A3 Air injection engine |
| 12/09/2004 | CA2523851A1 Multi-diaphragm valve |
| 12/08/2004 | CN2662052Y Air speed and air volume adjust and control device for pipeline |
| 12/02/2004 | DE202004014040U1 Measurement housing mounting for measuring a physical variable of a medium flowing in a measurement line, has a housing attached using a bolt welding method and a sensor detachably but securely mounted in the housing |
| 12/01/2004 | CN1178055C Anaytical system of closing indoor atmosphere with alloy soldering or during tinplating |
| 11/11/2004 | US20040224852 Drilling fluids comprising sized graphite particles |
| 11/10/2004 | CN2655017Y Gas distributing information controller |
| 11/04/2004 | WO2003077431A3 Conduit network system |
| 10/28/2004 | WO2004092301A2 Drilling fluids comprising sized graphite particles |
| 10/27/2004 | CN2651578Y Prying gas shutting device |
| 10/20/2004 | CN2649930Y Gas pipeline condensate water eliminating device |
| 10/12/2004 | CA2285838C Monitoring system with power supply built therein |
| 10/07/2004 | US20040194977 Self-modulating inert gas fire suppression system |
| 10/06/2004 | EP1464887A1 Apparatus for drying compressed air |
| 09/30/2004 | DE10311451A1 Fluid trapping apparatus for use in line sections e.g. stack pipes, has strip sections each having width that is equal to distance between longitudinal center and inner wall of vertical line section in which strip sections are arranged |
| 09/22/2004 | CN2643147Y An intelligent peak regulator for lifting jet group natural gas |
| 09/22/2004 | CN2643084Y Built-in type theftproof pipeline sampling valve |
| 09/21/2004 | US6792756 Gas supply control device for a gas storage power plant |
| 09/16/2004 | WO2004079678A2 Self-modulating inert gas gire suppression system |
| 09/15/2004 | CN2641438Y Monitornig type pressure regulating cabinet for fuel gas |
| 09/15/2004 | CN1529085A Automatic control valve |
| 09/09/2004 | US20040176650 well treatment and transportation system particularly applicable in those cases where transportation takes place at a relatively low temperature, both on land in a cool climate and at the sea bottom |
| 09/08/2004 | EP1454035A2 Friction reducing composition and method |
| 09/01/2004 | CN1164886C Oil gas pipeline leak intelligent on line monitoring method based on distribution type optical fibre sensor |
| 08/26/2004 | WO2004072543A1 Sampling device and sampling method |
| 08/26/2004 | WO2004072448A2 Air injection engine |
| 08/26/2004 | CA2514744A1 Air injection engine |
| 08/18/2004 | CN2634261Y Side het water seal oxygen isolated slow corrosion device for oil well |
| 08/18/2004 | CN1162640C Method for measuring concentration of pipeline slurry and multi-phase flow solid content and apparatus therefor |
| 08/17/2004 | US6778100 Conduit network system |
| 08/17/2004 | US6776188 Injector |
| 08/11/2004 | CN1161553C Oil well gas-liquid mixed conveyor |
| 08/10/2004 | US6774276 Method and system for transporting a flow of fluid hydrocarbons containing water |
| 08/05/2004 | WO2004065915A1 Increased-accuracy gas energy meter |
| 08/05/2004 | CA2513126A1 Increased-accuracy gas energy meter |
| 08/04/2004 | CN2630626Y Process-gas by-pass pre-processing apparatus |
| 07/28/2004 | CN1515818A Natural gas purifying and dewatering method |
| 07/28/2004 | CN1515817A Non-welded pulse bufferand its making method |
| 07/14/2004 | CN1157593C Monitor system with internal power supply |
| 07/08/2004 | DE202004004841U1 Measurement system for intermittent flow of viscous fluid from machine central lubrication and cooling equipment, has pipe section containing body entrained in flow |
| 07/07/2004 | CN2624018Y Multifunctional resilient pipe joint |
| 06/17/2004 | DE10020722B4 Integriertes Gassteuergerät Integrated gas control unit |
| 06/02/2004 | CN1152197C Method and alarm apparatus for automatically detecting oil pipe leakage and |
| 05/27/2004 | WO2004013597A8 Method for monitoring depositions onto the interior surface within a pipeline |
| 05/13/2004 | DE10249771A1 Verfahren und Vorrichtung zur Entnahme von flüssigen Proben aus einem oder mehreren Druckbehältern Method and device for taking liquid samples from one or more pressure vessels |
| 05/12/2004 | CN2615486Y Manual gas pipeline naphthalene removing box |
| 05/11/2004 | CA2362641C High pressure pneumatic drive for liquid injection apparatus |
| 05/06/2004 | WO2004038281A1 Method and device for the removal of liquid samples from pressurised containers |
| 05/06/2004 | US20040084096 Water supply medicator |
| 04/29/2004 | DE10085498T5 Chemisch inerte Strömungssteuerung mit kontaminationsfreiem Gehäuse Chemically inert flow control with contamination-free housing |
| 04/20/2004 | US6725179 Monitoring system with power supply built therein |
| 04/20/2004 | CA2147463C Joints |
| 03/31/2004 | CN2608818Y Automatic liquid supply device |
| 03/25/2004 | US20040059505 Method for monitoring depositions onto the interior surface within a pipeline |
| 03/25/2004 | DE10240072A1 Molch zur Förderung eines Beschichtungsmaterials und Verfahren zu seiner Herstellung Pig for conveying a coating material and process for its preparation |
| 03/18/2004 | WO2004013597A3 Method for monitoring depositions onto the interior surface within a pipeline |
| 03/04/2004 | WO2004018928A1 Liquefied natural gas supply system |
| 03/04/2004 | DE20319013U1 Condensation removal device for gas pipes, especially for natural gas, comprises separator with guides directing gas against its inside wall outside pipe cross section |
| 03/03/2004 | EP1394464A1 Pig for feeding of coating material and process for making the same |
| 03/02/2004 | US6701287 Monitoring system with power supply built therein |
| 02/12/2004 | WO2004013597A2 Method for monitoring depositions onto the interior surface within a pipeline |
| 02/12/2004 | CA2494376A1 Method for monitoring depositions onto the interior surface within a pipeline |
| 02/11/2004 | CN1474920A Apparatus and method for transfering cryogenic fluid |