| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
|---|
| 08/14/2007 | US7255128 System and method for detecting flow in a mass flow controller |
| 08/08/2007 | CN2932031Y Recovery equipment for exhausting pipeline |
| 08/02/2007 | CA2728624A1 Versatile emergency shutdown device controller implementing a pneumatic test for a system instrument device |
| 08/01/2007 | CN101008475A Correction methods of online fluid system |
| 08/01/2007 | CN101008473A Full-automatic conveying system for polyvinyl acetate emulsion |
| 07/25/2007 | CN2926756Y Gas-pipeline drainer |
| 07/25/2007 | CN2926755Y Resistance-siwtching drainer of back-flow preventer |
| 07/25/2007 | CN101004242A Method for automatic controlling closedown of pipeline, and implementation device |
| 07/25/2007 | CN101004241A Air distributing device |
| 07/19/2007 | US20070164127 Firefighting fluid delivery system |
| 07/19/2007 | US20070163658 Fluid supply device and fuel cell system with the same |
| 07/19/2007 | US20070163647 Microfabricated micro fluid channels |
| 07/18/2007 | CN1327158C Desuperheating and decompressing device for steam |
| 07/18/2007 | CN101000124A Self-excitation resonant pulse device |
| 07/18/2007 | CN101000123A Steam gas supply system |
| 07/12/2007 | US20070157723 Multiple differential volume tube measurement quantitative conveying device and its conveying method thereof |
| 07/11/2007 | CN2921546Y Two combined into one heating furnace |
| 07/11/2007 | CN1995802A Dehydration method for long-distance pipe-transported aqueous aluminium ore pulp |
| 07/11/2007 | CN1995801A Urban heating direct-buried steam pipeline fitting integrated shaft |
| 07/11/2007 | CN1994588A Dry type cleaning apparatus and dry type cleaning method |
| 07/10/2007 | US7240573 Sampling device and sampling method |
| 07/05/2007 | WO2007074222A1 Device and method for injecting a liquid into a pipeline |
| 07/04/2007 | CN2918967Y Buoyancy type gas drainer |
| 07/04/2007 | CN2918966Y Gas pressure regulating metering device |
| 07/03/2007 | US7237826 Cargo system |
| 06/27/2007 | CN2916322Y Thermal-insulating high-pressure gas conduit water separator |
| 06/27/2007 | CN2916321Y Gate valve type dual-channel oil filling device |
| 06/27/2007 | CN2916318Y Process switching-over pipeline structure |
| 06/21/2007 | DE10356383B4 Coriolis-Massedurchflussmesser Mass flow meter |
| 06/20/2007 | CN2913810Y Semi-liquid auto-cycle pumping system |
| 06/20/2007 | CN2913809Y Air liquid delivery system |
| 06/20/2007 | CN2913808Y Movable metering switch oil extraction station |
| 06/20/2007 | CN2913807Y Pipe conveying apparatus for coating spreading machine |
| 06/20/2007 | CN1982773A System for jet feeding gas-solid, liquid-solid and liquid-liquid and its proportional transporation |
| 06/19/2007 | CA2338466C System of supply, discharge and distribution lines for notably liquid operating media in rolling stands |
| 06/14/2007 | WO2005094521A3 Anatomical connection |
| 06/14/2007 | US20070131282 Pressure-insensitive mass flow controller |
| 06/13/2007 | CN1978976A Telescopic exhausting pipe |
| 06/13/2007 | CN1978975A Process apparatus and transportation system thereof, and method of protecting pressure control valve |
| 06/12/2007 | CA2474747C Control for pipeline gas distribution system |
| 06/12/2007 | CA2311117C Method and system for controlling airflow in a multiple bed desiccant drying system |
| 06/06/2007 | DE102005057687A1 Vorrichtung zur Bestimmung und/oder Überwachung des Massedurchflusses eines fluiden Mediums Device for determining and / or monitoring the mass flow rate of a fluid medium |
| 06/06/2007 | CN2908975Y Pipeline petroleum heating device |
| 05/31/2007 | US20070119500 Meter proving method and system |
| 05/30/2007 | CN2906287Y Pressure regulating device for transportation of oil-gas multiphase flow by using oilfield wellhead production liquid as heat tracing medium |
| 05/23/2007 | CN2903647Y Safety energy saving oil delivering pipeline heating furnace |
| 05/23/2007 | CN2903646Y Heating furnace of safety oil delivering pipeline |
| 05/23/2007 | CN1967192A Easily-crystallized stock sampling valve |
| 05/22/2007 | US7222028 Increased accuracy gas energy meter |
| 05/16/2007 | CN2901008Y Natural gas phase changing heating furnace |
| 05/10/2007 | DE112005000592T5 Fluidzufuhrvorrichtung und damit ausgestattetes Brennstoffzellensystem Fluid delivery device and thus equipped fuel cell system |
| 05/09/2007 | CN2898559Y Self-shutting drainer |
| 05/09/2007 | CN2898558Y Automatic electrically-controlled liquor-dispenser |
| 05/09/2007 | CN2898557Y Aeration assembly |
| 05/02/2007 | CN2895984Y High-pressure gas-pipe-line automatic water-discharge device |
| 05/02/2007 | CN2895983Y Methane constant-pressure control device |
| 04/25/2007 | CN1954171A Circuit breaker for a liquid fluid or gas line |
| 04/18/2007 | CN2890582Y Gas supply device |
| 04/17/2007 | US7205262 Friction reducing composition and method |
| 04/11/2007 | CN2888249Y Multifunctional tank with functions of flash evaporation, liquid separation and water seal for combustible gas emptying |
| 04/11/2007 | CN2888248Y Condenser cylinder for steel skeleton plastic composite pipe |
| 04/11/2007 | CN2888247Y Automatic safety water-saving drainer |
| 04/11/2007 | CN2888246Y Intelligent gas pressure regulating box |
| 04/11/2007 | CN1945232A Measuring method and its device for external leading sampling of pipeline gas flow |
| 04/05/2007 | US20070074761 Valve for sterile sampling of a liquid sample from a container |
| 04/05/2007 | US20070074758 Dosing control system and method |
| 04/04/2007 | EP1769192A2 Two-wire power and communications for irrigation systems |
| 03/29/2007 | DE202006019792U1 Gas-Druckregel- und -messanlage Gas pressure regulating and -messanlage |
| 03/28/2007 | CN2883876Y Thermal clamp sleeve of liquid asphalt hose |
| 03/28/2007 | CN1938661A Semiconductor manufacturing gas flow divider system and method |
| 03/21/2007 | CN2880888Y Edge cutting water injecting pipeline controller |
| 03/20/2007 | CA2346905C Method and system for transporting a flow of fluid hydrocarbons containing water |
| 03/14/2007 | EP1377807A4 Chemically inert flow control with non-contaminating body |
| 03/14/2007 | CN1930414A Fluid supply device and fuel cell system with the same |
| 03/14/2007 | CN1928420A Method for reducing steam temperature in steam pipe |
| 03/14/2007 | CN1304782C 化学供应系统 Chemical supply system |
| 03/07/2007 | CN2876520Y Over-pressure protector for water draining device |
| 03/07/2007 | CN2876519Y Full-automatic Oil pipeline chemical supplying device |
| 03/07/2007 | CN2876518Y Steam curing steam supplying device |
| 02/28/2007 | CN2874207Y Automatic medicine adding device |
| 02/28/2007 | CN2874206Y Electric gas discharge device for liquid transport pipeline |
| 02/28/2007 | CN1920372A Method and device for measuring exogenous linear sampling of pipe gas flow |
| 02/28/2007 | CN1920371A Liquid conversion connection container |
| 02/28/2007 | CN1920370A Self-rotary liquid conversion connection container |
| 02/28/2007 | CN1920369A Air distributor |
| 02/27/2007 | US7183239 Made with anionic or cationic polymers, a smaller amount of a surfactant having a charge opposite that of the polymer, and a hydrophobic alcohol. |
| 02/22/2007 | DE4426939B4 Inspektionskopf für Seitenkanäle eines unterirdisch verlegten Abwasserkanalsystems Inspection head side channels for a laid underground sewer system |
| 02/21/2007 | CN2872060Y High-pressure pepeline of medicine feeder matched with metering pump |
| 02/21/2007 | CN2872059Y Booster of water-supply pipe line network |
| 02/21/2007 | CN2872056Y Constant gas ultra-low generator with transferring, purifying and boostering functions |
| 02/14/2007 | CN2869544Y Integrated valve terminal device |
| 02/14/2007 | CN2869541Y Floating-ball type straight-through watch-mirror |
| 02/07/2007 | CN2867073Y Self-keeping warm, non-makeup water gas pipeline water eliminating device |
| 02/07/2007 | CN2867072Y Water eliminating device for gas pressurizer |
| 02/07/2007 | CN2867071Y Steam-warming hydrophobic recovery system |
| 02/07/2007 | CN2867070Y Deaerator discharged steam recovery system |
| 02/07/2007 | CN2866461Y Electric signal liquid-resisting device |
| 02/07/2007 | CN1910397A Natural gas odorant injection system |
| 02/07/2007 | CN1908504A Pipeline gas/liquid separating method |
| 02/07/2007 | CN1908503A Gas pipe network running pressure automatic controller |