| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
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| 02/04/2009 | CN201190898Y Atomizing unit for antifreezing agent for mine compressedair line |
| 02/04/2009 | CN201190897Y Conveying and metering device for liquid durene |
| 02/04/2009 | CN101358687A Gas safety conveying method |
| 02/04/2009 | CN101358686A Safety conveying method for phosphorus oxychloride |
| 02/04/2009 | CN100458269C Oil-gas multi-phase mixed delivering pump inlet flow-harmonization device |
| 02/04/2009 | CN100458267C Air distributing device |
| 02/04/2009 | CN100458266C Electricity generating device utilizing constant ultra-low concentration transportation, purification and supercharging of gas |
| 01/29/2009 | US20090025807 Rubee enabled outdoor faucet and watering control system |
| 01/29/2009 | DE102007034952A1 Concentrated transport medium discharge consequence reducing arrangement for transport of carbon dioxide, limits locally escaped mass flows and quickly reduces negative effects in surroundings of discharge areas |
| 01/28/2009 | CN201187799Y Firewood liquid gas generating furnace |
| 01/28/2009 | CN101354109A Tube-type segment plug flow trap |
| 01/22/2009 | WO2009011593A1 Detector system and method to detect or determine a specific gas within a gas mixture |
| 01/22/2009 | US20090020160 System and method for distributing chemical liquids |
| 01/22/2009 | CA2693097A1 Detector system and method to detect or determine a specific gas within a gas mixture |
| 01/21/2009 | CN101349381A Liquefied gas supply system and method thereof |
| 01/21/2009 | CN100453889C Oil, water and gas zero-discharging pipe sealing and emptying transmission system |
| 01/21/2009 | CN100453888C Correction methods of online fluid system |
| 01/21/2009 | CN100453887C Water-stopping device |
| 01/16/2009 | CA2637999A1 Pipeline additive control device and method |
| 01/15/2009 | WO2009007613A1 Method for monitoring a smoke duct connecting a carbonated block baking furnace to a smoke processing centre |
| 01/15/2009 | WO2009006852A1 Low consumption and intelligent safe gas-supply system for gas tanks |
| 01/15/2009 | US20090013807 Pipe monitoring method |
| 01/15/2009 | CA2692307A1 Method for monitoring a smoke duct connecting a carbonated block baking furnace to a smoke processing centre |
| 01/14/2009 | EP1664618B1 Device for generating and maintaining a desired pressure/flow |
| 01/14/2009 | CN201180907Y Oil transportation automatic control instrument of oil transferring station |
| 01/14/2009 | CN201180906Y Medicine storing and medicine filling barrel |
| 01/14/2009 | CN201180905Y Variable flux system with hydraulic balance |
| 01/14/2009 | CN101344464A In line valve sampling system |
| 01/14/2009 | CN100451441C Air pressure fuel-feed system of resin sand |
| 01/14/2009 | CN100451440C System and method for supplying functional water |
| 01/07/2009 | EP1392995B1 Drag reducing agent slurries having alfol alcohols and processes for forming them |
| 01/07/2009 | CN201177161Y Water-saving water-sealing leakage-proof coal gas condensation water drainer |
| 01/07/2009 | CN201177160Y Dual leak-proof safe gas pressure regulator |
| 01/07/2009 | CN201177159Y Compressed-air oiling device |
| 01/07/2009 | CN201177074Y Integral multifunctional combined valve |
| 01/07/2009 | CN201177073Y Integral single flange combined ball needle-plug valve |
| 01/07/2009 | CN201177072Y Integral double flange combined ball needle valve |
| 01/06/2009 | CA2388832C Method and apparatus for reducing operating and maintenance costs and emissions in a chemical and/or fluid injection system |
| 01/01/2009 | US20090000664 Batch interface reducing agent (BIRDA) |
| 12/31/2008 | WO2009000628A1 A composition and method for pipeline conditioning & freezing point suppression |
| 12/31/2008 | WO2009000047A1 Fluid processing system |
| 12/31/2008 | CN201174052Y Apparatus for automatically control liquid flow |
| 12/31/2008 | CN201173389Y Indoor gas pressure regulator |
| 12/31/2008 | CN101334343A High pressure dust gas sampling and decompression method and apparatus |
| 12/31/2008 | CN101334132A Triple valve inlet assembly |
| 12/31/2008 | CN101334131A Fine grinding non-corrodible steel high temperature and high pressure resistant hollow floating ball |
| 12/31/2008 | CN101334129A Fixed flow quantity fluid delivery system |
| 12/30/2008 | CA2309873C Method and apparatus for continuous chlorination of swimming pool water |
| 12/26/2008 | CA2635506A1 Block valve for vacuum line or network with emergency input |
| 12/26/2008 | CA2616413A1 Batch interface reducing agent (birda) |
| 12/25/2008 | US20080314458 Method and Device for Regulating a Pressure and/or a Volume Flow of a Fluid |
| 12/25/2008 | US20080314453 Fuel supply systems |
| 12/25/2008 | US20080314451 Frozen/chilled fluid for pipelines and for storage facilities |
| 12/25/2008 | US20080314450 Flow Control |
| 12/25/2008 | US20080314449 Check valve |
| 12/24/2008 | CN201169446Y Non-stop sand discharging apparatus of oil tank |
| 12/23/2008 | US7467608 Air injection engine |
| 12/18/2008 | US20080308157 Methods and apparatus to determine a position of a valve |
| 12/17/2008 | CN100443739C System for jet feeding gas-solid, liquid-solid and liquid-liquid and its proportional transporation |
| 12/16/2008 | US7467027 Compensation for thermal siphoning in mass flow controllers |
| 12/11/2008 | US20080302421 Permeable gas assembly for gas delivery |
| 12/10/2008 | EP1690038B1 Valve for sterile sampling of a liquid sample from a container |
| 12/10/2008 | CN201162951Y Sand-discharging oil extraction power liquid tank |
| 12/10/2008 | CN201162950Y Water seal used for gas pipeline |
| 12/10/2008 | CN201162949Y Over-pressure protector of high sensitivity drainer |
| 12/10/2008 | CN201162948Y Full-automatic safety type coal gas dewatering device |
| 12/10/2008 | CN201162947Y Attemperation and pressure reducing device |
| 12/10/2008 | CN101319754A Silencing method for gas exhaustion/steam discharging pipe of electric power plant, and novel environment friendly silencer |
| 12/04/2008 | WO2008146545A1 Flow path switching valve |
| 12/04/2008 | WO2008122812A3 Tubular mixing apparatus and method |
| 12/03/2008 | CN201159397Y Device for emptying liquid in conduit |
| 12/03/2008 | CN201159396Y Coal gas diffusion water sealing capable of preventing coal gas overflow drain |
| 12/03/2008 | CN201159395Y Target type flow controller |
| 12/02/2008 | CA2428889C Method of disposing of vented gas from pumps driven from unprocessed natural gas |
| 11/26/2008 | CN201156531Y Gas proportion protecting apparatus for copper wire linking position of transistor |
| 11/26/2008 | CN201155661Y Saturated vapour filtering voltage-stabilizing device |
| 11/26/2008 | CN101311614A Fluid distributing apparatus and method for manufacturing same |
| 11/26/2008 | CN100435928C Air distributor |
| 11/20/2008 | US20080283123 Pressure Controlled Gas Storage |
| 11/19/2008 | CN201152456Y Steam surge tank |
| 11/19/2008 | CN101307836A Automatic pressure controlling valve |
| 11/18/2008 | CA2686002A1 Flow straightening apparatus |
| 11/12/2008 | CN201149298Y Alarm kitchen tool for monitoring natural gas |
| 11/12/2008 | CN201149167Y Positive-pressure water accumulation automatic discharging device in mash gas tube |
| 11/12/2008 | CN201149166Y Corrosion resistant over voltage protection electrothermic draining equipment |
| 11/12/2008 | CN201149165Y Two-way storied building gas pressure regulating device |
| 11/06/2008 | US20080274248 Module dissolving carbon dioxide gas into hot water through a membrane; means for supplying hot water to the membrane module; means for supplying carbon dioxide gas to the membrane module, flow control valve |
| 11/05/2008 | EP1454035B1 Friction reducing composition and method |
| 11/05/2008 | CN201145139Y Variable cross-section isostatic pressing fluid distributed pipe |
| 10/30/2008 | US20080264493 Device and method for maintaining a static seal of a high pressure pump |
| 10/30/2008 | US20080264491 Fluid multiplexer for capillary column gas chromatography |
| 10/30/2008 | US20080264489 Method and a Device for Handling a Liquid |
| 10/30/2008 | CA2684733A1 Flowswitch having o-ring pairs arranged in corresponding pairs of o-ring grooves separated by respective flanges of a pivot rod |
| 10/29/2008 | CN201141515Y Anti-leakage drainer of gas pipeline |
| 10/23/2008 | US20080258090 Solenoid operated fluid control valve |
| 10/23/2008 | US20080257413 System, Program Product, and Related Methods for Global Targeting of Process Utilities Under Varying Conditions |
| 10/23/2008 | US20080257412 Fluid Delivery Device With Flow Rate Control |
| 10/23/2008 | DE19924592B4 Verfahren und Vorrichtung zur Messung von Durchflussgeschwindigkeiten Method and device for measurement of flow rates |
| 10/22/2008 | EP1982107A1 Device and method for injecting a liquid into a pipeline |
| 10/22/2008 | CN201137817Y Pump station pressure display and alarming device |