| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
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| 01/29/2004 | WO2004010044A1 Method and apparatus for the controlled feed of liquefied gas to liquefied gas containers |
| 01/21/2004 | CN1469077A Gas protector and method thereof |
| 01/08/2004 | DE10326656A1 Durchflusssensor Flow sensor |
| 01/08/2004 | DE10326646A1 Verfahren zum Betreiben einer Sensoreinheit A method of operating a sensor unit |
| 01/07/2004 | EP1377807A1 Chemically inert flow control with non-contaminating body |
| 01/06/2004 | US6672334 Multi-diaphragm valve |
| 01/06/2004 | US6672326 Valve unit for controlling the delivery of a combustible gas |
| 12/31/2003 | WO2004000475A1 Methods of cleaning, clearing and separation in conduits |
| 12/24/2003 | WO2003106888A1 Pressure protection system |
| 12/24/2003 | CN2594616Y Automatic water-supplied gas water sealer |
| 12/24/2003 | CN2594615Y Automatic drainer of gas pipeline |
| 11/26/2003 | CN2588182Y SCADA long distance data receiving-transmitting device for petroleum and nature gas pipeline |
| 11/26/2003 | CN2588181Y RTU long distance control unit interface for petroleum and nature gas pipeline |
| 11/13/2003 | DE20312465U1 Sample removal valve, for taking samples from pipe or container, comprises sample removal unit on dirt catchment housing, valve spindle with spring, and seal |
| 11/11/2003 | US6644848 Pipeline monitoring systems |
| 11/06/2003 | WO2003091634A1 Fluid controller |
| 11/06/2003 | US20030205280 Multi-diaphragm valve |
| 10/07/2003 | CA2315948C Process for transporting naphtha in a crude oil pipeline |
| 09/18/2003 | WO2003077431A2 Conduit network system |
| 09/18/2003 | CA2478644A1 Conduit network system |
| 09/11/2003 | US20030167919 Data collection systems in a conduit network, such as a pipeline network, used for transferring materials from location to location and; system using remote nodes to collect data relating to conduit network, material flowing through |
| 08/28/2003 | WO2003071247A1 Chemically inert flow control with non-contaminating body |
| 08/21/2003 | US20030158269 Made with anionic or cationic polymers, a smaller amount of a surfactant having a charge opposite that of the polymer, and a hydrophobic alcohol. |
| 08/20/2003 | CN1436952A Water trap for fuel gas polyethylene pipeline |
| 08/14/2003 | WO2003050387A3 Friction reducing composition and method |
| 08/13/2003 | EP1334306A2 Apparatus and method for transferring a cryogenic fluid |
| 08/13/2003 | CN1117945C Natural gas storage apparatus for supplying gas in small area and use method thereof |
| 08/06/2003 | CN2564847Y Device for sucking and storing medicine liquid |
| 07/15/2003 | US6591851 Seal-gas valve device |
| 07/09/2003 | CN1114059C Dewatering method for gas supply systems |
| 07/03/2003 | US20030125215 Friction reducing composition and method |
| 07/02/2003 | CN2558842Y Energy-saving device acted on fluid in pipeline |
| 06/24/2003 | US6582591 Is characterized in that the batch of naphtha, bracketed by batches of condensates, namely a head batch of condensate and a tail batch of condensate, is conveyed in the pipeline and, on arrival, the batch of naphtha is recovered between a point |
| 06/19/2003 | WO2003050387A2 Friction reducing composition and method |
| 06/19/2003 | US20030114315 Polymeric gel system and use in hydrocarbon recovery |
| 06/18/2003 | CN2556464Y Special valve for water-storage cylinder of medium-pressure gas pipeline |
| 06/17/2003 | US6578435 Chemically inert flow control with non-contaminating body |
| 06/10/2003 | US6574821 Optimized scraper for a conduit |
| 05/22/2003 | WO2003042593A1 Probe activated valve system |
| 05/21/2003 | CN2551849Y Pipeline gas dewatering device |
| 05/21/2003 | CN1109131C Method and system for supplying hydrogen fuel cell |
| 05/15/2003 | US20030089874 Probe activated valve system |
| 05/14/2003 | CN1417515A Oil Well gas-liquid mixed conveyor |
| 05/01/2003 | WO2002040915A3 Apparatus and method for transferring a cryogenic fluid |
| 04/30/2003 | CN1414283A Oil gas pipeline leak intelligent on line monitoring method based on distribution type optical fibre sensor |
| 04/30/2003 | CN1107191C Resistanco-type gas/liquid two-phase horizontal pipe flow dynamic monitoring instrument and its monitoring method |
| 04/29/2003 | US6554020 Fluid control apparatus |
| 04/23/2003 | CN1412467A Transporting and transmitting method for crude oil and naphtha |
| 04/22/2003 | CA2242981C Method and apparatus for preventing biofouling in cooling water system |
| 04/17/2003 | US20030070718 Fluid diversion apparatus |
| 04/03/2003 | US20030061888 Chemically inert flow control with non-contaminating body |
| 03/20/2003 | US20030051565 Heated enclosure purge system |
| 03/05/2003 | CN1102720C Natural gas pipe drying technology |
| 02/27/2003 | US20030037547 Gas supply control device for a gas storage power plant |
| 02/27/2003 | DE10114648C2 Vorrichtung zur Durchflußmengenmessung von fließfähigen Medien in einer Rohrleitung Apparatus for Durchflußmengenmessung of flowable media in a pipeline |
| 02/19/2003 | CN2536893Y Single polarization treater for fluid in pipeline |
| 02/19/2003 | CN1101715C Adsorption teckand appts. for regulating peaks in gas supply network |
| 02/12/2003 | CN1101545C In-line continuous measuring method for concentration and density of liquid medium |
| 02/12/2003 | CN1101239C Linear solids removal unit |
| 02/05/2003 | CN1395055A Method for measuring concentration of pipeline slurry body and multi-phase flow solid content and its equipment |
| 01/29/2003 | EP1194716B1 Hydrogen fuel replenishment process and system |
| 01/16/2003 | US20030010364 Apparatus for fluid control with a substrate processing tank |
| 01/09/2003 | US20030005959 Fluid control apparatus |
| 01/08/2003 | EP1273839A1 Fluid control apparatus |
| 01/08/2003 | CN2530134Y Automatic sampler for oil pipeline |
| 01/08/2003 | CN2530133Y Oil and gas through and lower part side-connecting wax ball clearing receiving appts. |
| 01/01/2003 | CN1097691C Method for conveying naphtha in crude oil pipeline |
| 12/31/2002 | US6499502 Method and device for filling a distribution line with corrosive gas |
| 10/30/2002 | CN2519102Y Device for heating and dehydration of crude oil |
| 10/17/2002 | DE10115676A1 Process for retrofitting gas flow controller in service line comprises connecting the service line to sluice, inserting the gas flow controller through the sluice into the service line, and anchoring gas flow controller in service line |
| 10/15/2002 | US6464799 Method for managing a fluid level associated with a substrate processing tank |
| 10/10/2002 | US20020144542 Method and system for liquefaction monitoring |
| 10/09/2002 | EP1248100A2 Method and system for liquefaction monitoring |
| 10/02/2002 | DE10114648A1 Arrangement for throughput measurement of flowing media in pipeline has differential pressure sensor protruding into measurement tube in manner of vane, mounted on bearer |
| 10/02/2002 | DE10114576A1 Arrangement for throughflow measurement in pipeline has measurement pipe with wall opening in which modular sensor housing for difference pressure sensor is removably sealed |
| 09/25/2002 | EP1086336B1 Pipeline monitoring systems |
| 09/17/2002 | US6449983 Reliquefaction of compressed vapor |
| 09/04/2002 | CN1367337A Oil pipe leakage automatic detection and alarm method and its equipment |
| 09/03/2002 | CA2233352C Fluid pressure testing |
| 08/29/2002 | US20020120422 Monitoring system with power supply built therein |
| 08/22/2002 | US20020113870 Pipeline televising apparatus with wireless remote controller |
| 08/22/2002 | US20020113869 Pipeline mapping system and method |
| 08/21/2002 | CN2506848Y Compressed natural gas pressure regulator |
| 08/13/2002 | US6432283 Hydrogen fuel replenishment system |
| 07/16/2002 | US6418965 Device for storing and mixing two gases |
| 06/26/2002 | EP1216380A1 Method and device for detecting deposit in a conduit |
| 06/19/2002 | CN2495893Y Energy-saving type converter |
| 06/18/2002 | US6406273 Pressure fluctuation dampening system |
| 06/12/2002 | CN2494917Y Peak regulator for natural gas |
| 06/12/2002 | CN1353266A Electric resistance type dynamic monitor for two-phase (gas and liquid) flow in horizontal pipe and its monitor method |
| 06/11/2002 | USRE37732 Fluid dispersing checkvalve |
| 05/23/2002 | WO2002040915A2 Apparatus and method for transferring a cryogenic fluid |
| 05/22/2002 | CN1350626A Hydrogen fuel cell replenishment process and system |
| 05/15/2002 | EP1204834A1 High pressure pneumatic drive for liquid injection apparatus |
| 05/15/2002 | CN1084863C System and operation method for controlling fluid medium distributing pipe-line |
| 05/14/2002 | US6387158 Without baking; flowing a gas through pipes at a pressure between the gases viscosity point and its water saturated vapor pressure; gas is evacuated at normal flow temperature |
| 05/08/2002 | CN2490401Y Flow distributor |
| 05/08/2002 | CN2490400Y Constant differential pressure liquid conveying device |
| 05/01/2002 | CN1083965C Device for distributing working gas and installation for supplying working gas that is equipment with such device |
| 04/18/2002 | US20020046013 Automatic pipe gridding method allowing implementation or flow modelling codes |