| Patents for F17D 1 - Pipe-line systems (8,074) |
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| 08/19/2009 | CN201293204Y Full automatic centralization supplier for liquid auxiliary raw material |
| 08/19/2009 | CN101509603A Electric slurry distribution box |
| 08/18/2009 | CA2452888C Friction reducing composition and method |
| 08/13/2009 | WO2009099850A2 Wellbore fluids comprising poly(trimethylene ether) glycol polymers |
| 08/13/2009 | WO2009098447A2 Method for determining the viscosity of a waxy fluid in a shut-in pipeline |
| 08/13/2009 | US20090200035 All Electric Subsea Boosting System |
| 08/13/2009 | CA2712566A1 Wellbore fluids comprising poly(trimethylene ether) glycol polymers |
| 08/12/2009 | EP2088281A1 Method for determining the viscosity of a waxy fluid in a shut-in pipeline |
| 08/12/2009 | CN201289261Y Cooling pipe with spigot-and-socket joint |
| 08/12/2009 | CN201289204Y Ocean floor pipeline skin effect electric co-heating device |
| 08/12/2009 | CN201289091Y Methane system for recovering and utilizing anaerobic sewerage station methane |
| 08/12/2009 | CN201288938Y Compressed natural gas allotter |
| 08/12/2009 | CN201288937Y Self-control type centrifugal pump vacuum priming device |
| 08/12/2009 | CN101506561A Integrated gas panel apparatus |
| 08/12/2009 | CN101504114A High-voltage detachable electric heater component |
| 08/05/2009 | CN201285515Y Pressure control system for natural gas transmission station |
| 08/05/2009 | CN201284921Y Spill cylinder of coal gas drainer |
| 08/05/2009 | CN100523429C Overground gathering and transporting system for petroleum exploitation and method thereof |
| 07/30/2009 | WO2009071798A3 Miniature gas cabinet |
| 07/29/2009 | EP1819898A4 Method and apparatus for preventing slug flow in pipelines |
| 07/29/2009 | CN201281225Y Mobile natural gas distributing system |
| 07/29/2009 | CN101493184A Clearance structure magnetic fluid flow control device |
| 07/29/2009 | CN101493183A Biomass gas supply equipment |
| 07/28/2009 | US7565911 Two stage regulator method and apparatus |
| 07/23/2009 | US20090185916 Electrokinetic pump designs and drug delivery systems |
| 07/23/2009 | US20090183778 Tank withdrawal system with electric and fluidic heating device |
| 07/22/2009 | CN101487565A Fluid on-line measuring and dispensing system |
| 07/16/2009 | US20090178716 System and Method for Acoustic Focusing Hardware and Implementations |
| 07/15/2009 | EP1945902B1 Device for controlling slugging |
| 07/15/2009 | CN101482224A Ultra-high purity medium transporting integration process |
| 07/15/2009 | CN101482223A Air distributing device and method |
| 07/15/2009 | CN101482222A Security conveyer for high-purity diethyl zinc |
| 07/09/2009 | US20090173396 One piece plumbing vent, drain pipe |
| 07/09/2009 | US20090173386 Water alteration structure applications and methods |
| 07/08/2009 | CN201269406Y Winding head gas circuit system pipeline |
| 07/08/2009 | CN201269405Y Gas preposition apparatus of gas turbine |
| 07/08/2009 | CN201269404Y Hydrogen storage apparatus |
| 07/08/2009 | CN101476671A Cold flow system based on heat flow and material flow matching |
| 07/07/2009 | CA2411214C Chemical injection system and method |
| 07/03/2009 | CA2648414A1 Continuous gas service restoration and meter change-out system |
| 07/02/2009 | US20090166573 Method of Shutting Off Conduit and Pipe Conduit Shutoff Apparatus |
| 07/02/2009 | US20090166032 Inline Downhole Heater and Methods of Use |
| 07/02/2009 | US20090165862 Outlet device for disinfection apparatus and method for liquid transfer |
| 07/01/2009 | CN201265747Y Gas pipeline enveloped with wind pipes |
| 06/30/2009 | US7552740 Method of managing easily polymerizable substance and easily polymerizable substance managing apparatus |
| 06/25/2009 | US20090159723 Valve with actuator assist |
| 06/25/2009 | US20090159133 Electro-Mechanically Controlled Ceramic Based Proportional Valve |
| 06/24/2009 | CN201262321Y Steam system without condensed water in long pipeline transportation course |
| 06/24/2009 | CN201262320Y Stalk biogas centralized air feeder |
| 06/24/2009 | CN101463946A Mechanical pipe supercharging apparatus |
| 06/23/2009 | US7549443 Fuel shut-off valve assembly with associated components and methods of making and assembling the same |
| 06/18/2009 | US20090151804 Cooling medium flow path |
| 06/17/2009 | EP2068987A2 Breathable air safety system and method having an air storage sub-system |
| 06/17/2009 | CN101457869A Constant pressure pneumatic paint feeding apparatus |
| 06/17/2009 | CN100501218C Power supply device using nitrogen gas as medium |
| 06/11/2009 | WO2009072395A1 Low pressure transportation method and low pressure transportation system for processing solution |
| 06/11/2009 | WO2009070992A1 Pipeline conveying discharge-assisting method |
| 06/11/2009 | WO2009039611A3 Methods and systems for sulphur combustion |
| 06/11/2009 | US20090145489 Temperature regulation method and system for low flow rate liquid |
| 06/10/2009 | EP2066765A1 Polydispersed composite emulsions |
| 06/10/2009 | CN201255302Y Oil and water loosing oil conduit |
| 06/10/2009 | CN101451651A Slurry supply system |
| 06/09/2009 | US7544018 Apparatus for pneumatic conveying of drill cuttings |
| 06/04/2009 | WO2009070451A1 Turbulence device to prevent phase separation |
| 06/04/2009 | WO2007148122A3 Process and device for producing lng |
| 06/04/2009 | WO2006036683A3 Fischer-tropsch wax composition and method of transport |
| 06/04/2009 | US20090139577 Method of using triggerable passive valves to control the flow of fluid |
| 06/04/2009 | DE102008004139B3 Liquid moving device for moving liquid back and forth over sensor surface of analytic sensor utilized in bio analytics field, has channel designed in such manner that counter pressure difference opposite to pressure difference is produced |
| 06/03/2009 | CN201251017Y Self-rotating, energy-saving and multi-tube pulp equalizer |
| 06/03/2009 | CN201251016Y Injection device of trace gas |
| 06/03/2009 | CN101446382A Special gas supply and distribution device |
| 06/03/2009 | CN100494766C Method and apparatus for transporting viscous liquid by using pump and pipeline |
| 06/03/2009 | CN100494765C Biomass marsh gas preprocessing system |
| 06/03/2009 | CN100494764C Gas piping device used for connecting with process cavity of high-density plasma machine |
| 05/28/2009 | WO2009066157A2 System for collecting biogas generated by waste |
| 05/28/2009 | WO2009065698A2 Exhaust suction device for motor vehicles |
| 05/28/2009 | US20090133756 Method of transporting a viscous product by core annular flow |
| 05/27/2009 | CN201246873Y Induction heating system of petroleum pipeline |
| 05/27/2009 | CN201246602Y High-pressure water-doped single flow apparatus |
| 05/27/2009 | CN201244865Y Additive storage and feeding conveying system with liquid mixing function |
| 05/27/2009 | CN101440911A Liquid storage system and method |
| 05/27/2009 | CN100491711C Gas pipeline with supercharging device and investment return supporting system |
| 05/26/2009 | US7539560 Control valve and positioner diagnostics |
| 05/26/2009 | US7537730 Apparatus for high speed detection and replication of nucleic acids; high tnhroughput assay; immunoassay; bioassay |
| 05/21/2009 | US20090130004 for fluidized bed continuous processing of particulate solids which can better control the distribution of the residence times of particles processed; low pressure drop; injection of fluidized gas into transfer tunnels; cross-sectional shape of the stage vessels |
| 05/21/2009 | US20090126814 Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same |
| 05/20/2009 | CN201242256Y Electric heater for pipeline |
| 05/20/2009 | CN201242040Y Pipe gas ultra- and under-pressure self-closing pressure regulating device |
| 05/20/2009 | CN201242038Y Pressure equalizing container with power pump |
| 05/20/2009 | CN201242037Y Constant temperature methane heating bathing device |
| 05/20/2009 | CN201241669Y Screw rod supercharging gas production apparatus |
| 05/20/2009 | CN201238593Y Low-temperature tobacco oven heated by hot-water system |
| 05/20/2009 | CN100489373C Heating equipment for crude oil gathering and transferring, and heating method thereof |
| 05/20/2009 | CN100489372C Liquefied natural gas automatic pressure regulation and gasification and charging device |
| 05/19/2009 | CA2460881C Method for introducing drag reducers into hydrocarbon transportation systems |
| 05/14/2009 | WO2009060188A1 Fluid supply system |
| 05/14/2009 | US20090124520 Novel hydrate based systems |
| 05/14/2009 | US20090120502 Living Water System Pad and Method for Its Use |
| 05/13/2009 | CN201237084Y Air supply automatic control device of nitrogen tank |
| 05/13/2009 | CN201237083Y Emergency handling apparatus for conduction oil circulation loop |