Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
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01/30/2008 | CN101113805A Energy conservation environmental protection heavy oil dispensing machine |
01/30/2008 | CN101113804A Air pressure fuel-feed system of resin sand |
01/24/2008 | US20080017245 Actuator And Method For Operating An Actuator |
01/23/2008 | CN201011417Y Shock absorbing type non-negative pressure surge tank of long water inlet pipe |
01/23/2008 | CN201011416Y Reutilization device for life waste water |
01/23/2008 | CN201009364Y Pneumatic system of asphalt mortar vehicle provided with automatic water draining apparatus |
01/23/2008 | CN101109483A Water sealing method and apparatus for gas pipeline continuous drainage |
01/23/2008 | CN101109482A Gas flow controller |
01/17/2008 | US20080011450 Apparatus and Method for Thermally Controlled Processing of Microelectronic Workpieces |
01/16/2008 | CN201007428Y Oil, water and gas zero discharge pipeline closed emptying transmission system |
01/16/2008 | CN101105261A Ice block free high pressure difference gas pressure regulator |
01/10/2008 | US20080006533 Prevention of Precipitate Blockage in Microfluidic Channels |
01/09/2008 | CN201003788Y Fuel oil, gas intelligent energy-saving control system |
01/09/2008 | CN201003689Y Rotary type oil, electricity, water automatic dispenser |
01/09/2008 | CN101101088A Method and device for visible light combined control for household gas |
01/08/2008 | CA2305265C Method and apparatus for reduction of flow resistance in pipes and ducts |
01/02/2008 | CN200999970Y Condensate water drainage arrangement for buried gas pipeline |
01/02/2008 | CN200999969Y Pipeline pressure regulating apparatus |
01/02/2008 | CN101097040A Method for restraining gas hydrate in natural gas pipe line and device thereof |
12/30/2007 | CA2592933A1 Automatic pump control device |
12/26/2007 | CN200996554Y Central blowoff system of air compressor |
12/26/2007 | CN200996553Y Leakage-proof device of gas pipeline drainer |
12/26/2007 | CN200996551Y Dip system of reciprocating-alternating metering station |
12/26/2007 | CN200996501Y Gas valve with throttling and blow-down unit |
12/26/2007 | CN101093057A Liquid raw material supply unit for vaporizer |
12/19/2007 | CN200993308Y Natural gas channeling-proof pressure regulating device |
12/12/2007 | CN200989526Y Special filtering supervising mirror for chlorine |
12/12/2007 | CN200989525Y Gas pressure regulating box |
12/12/2007 | CN101086464A High-temperature pressure sensor with double air relief valve and double flange |
12/12/2007 | CN101086323A Valve capable of draining water |
12/12/2007 | CN101086322A Safe and low consumption intelligent gas-supplying system for gas bottle group |
12/12/2007 | CN101085499A System and method for reducing weld spatter |
12/12/2007 | CA2591378A1 Gas-operated diaphragm dosing pump |
12/05/2007 | CN200986109Y Gas pressure regulating batch tank |
12/05/2007 | CN200986108Y Gas path pressure release device and corresponding gas path pressure release device realizing large pressure reducing ratio |
12/05/2007 | CN200986104Y Natural gas transporting and distribution stations field pipe concentraling device |
11/28/2007 | CN200982526Y Low-temperature liquid conveying pipe system |
11/22/2007 | WO2007132725A1 Supervisory control system |
11/22/2007 | DE102007023541A1 Pipeline protection system for detecting positive pressure in pipeline, has relief valve switchable between open position and closed position, where fluid flow is permitted through relief line in open position |
11/21/2007 | CN200979075Y Device for adding coagulant in sewage |
11/14/2007 | CN200975608Y De-watering apparatus for condensate water in nitrogen gas pipeline |
11/08/2007 | WO2006111820A3 Pipeline optimizer system |
11/07/2007 | CN200972054Y Drainage apparatus for demp, controllable constant-power gas pipeline |
11/07/2007 | CN200972053Y Pipeline gas ampling device |
11/07/2007 | CN101067501A Steam temperature reducing and pressure reducing system and for fluid heat supply |
11/07/2007 | CN101067476A Gas dewatering and steam dewatering union automatic apparatus |
11/07/2007 | CN101067475A Steam distributor and symmetric steam-distributing pipeline and using method thereof |
11/07/2007 | CN101067258A Air supply apparatus for air jet loom |
11/05/2007 | CA2587070A1 Automatic optimization process for a natural gas transportation network |
11/01/2007 | US20070254965 Gas Distributor for a Reactor |
11/01/2007 | US20070251575 Method for Load-Dependent Air Quality Control in a Pneumatic Spring System |
10/31/2007 | CN200968498Y Automatic control system for multiple air source gas apparatus |
10/31/2007 | CN101063248A Air supply apparatus for air jet loom |
10/30/2007 | CA2544366C A natural gas compressor and a system for operating the same |
10/25/2007 | US20070246098 Decorative Motion Lamp |
10/25/2007 | US20070246097 Processing apparatus and method |
10/24/2007 | CN200965155Y Dialysis and purifying means for chemical liquid continuous production |
10/24/2007 | CN101059207A Water-stopping device |
10/24/2007 | CN101059206A Pressure-based gas delivery system and method for reducing risks associated with storage and delivery of high pressure gases |
10/10/2007 | EP1843066A1 Mechanism for the dosed filling of a medium |
10/10/2007 | CN200958685Y Directed-frozen dewatering safety controller of petroleum and natural gas |
10/10/2007 | CN200958684Y Petroleum viscosity-depressing energy converter of external ultrasonic electromagnetic wave |
10/03/2007 | CN200955998Y Stationery pulverized coal sampling device |
10/03/2007 | CN200955663Y Anti-leakage gas pipeline water-drainage device |
10/03/2007 | CN200955662Y Water-isolation ore-pulp pump flexible water-cushion isolation apparatus |
10/03/2007 | CN101045233A Apparatus and methods for treating substrates |
09/27/2007 | US20070221278 Flow Interrupter for a Liquid or Gaseous Fluid Flow Pipe |
09/27/2007 | US20070220918 Pressure setting method for gas pipeline |
09/26/2007 | CN200952647Y Primary liquid on-line continuous diluting and adding device |
09/26/2007 | CN200952646Y Water divisor |
09/26/2007 | CN200952645Y Fourway anti cracking glass fiber reinforced plastic vehicle viewing mirror |
09/26/2007 | CN200952644Y 加热炉 Furnace |
09/26/2007 | CN200952639Y Air bag and pressure cylinder using the same air bag |
09/25/2007 | US7273063 Methods and apparatus for pressure compensation in a mass flow controller |
09/25/2007 | CA2436631C Reporting regulator for managing a gas transportation system |
09/19/2007 | CN200949753Y Control system for argon gas box |
09/19/2007 | CN200949519Y Water cutting-off protector |
09/19/2007 | CN101038066A Method for emptying residual oil in soft pipeline and system |
09/19/2007 | CN100338286C An arrangement for metering fluids, for instance for textile plants |
09/18/2007 | CA2335608C Monitoring apparatus |
09/12/2007 | CN200946764Y Compressed air control apparatus |
09/12/2007 | CN200946763Y Decompression device for condensed water closed type recovery system |
09/12/2007 | CN200946758Y Half-steel meridian tyre nitrogen station |
09/12/2007 | CN200946757Y Automatic control quick-opening valve system for flare gas recovery |
09/06/2007 | DE10311451B4 Vorrichtung zum Auffangen von Flüssigkeiten, welche in einen etwa vertikal ausgerichteten Leistungsabschnitt hineingeraten, und eine etwa vertikal angeordnete Leitung Device for collecting liquids which get into an approximately vertically oriented power section, and an approximately vertically arranged line |
09/05/2007 | CN200943820Y Gas-analyzing system |
09/05/2007 | CN200943819Y Timing switch of gas |
09/05/2007 | CN200943818Y Differential pressure valve |
09/05/2007 | CN200943817Y Automatic oil-supple controller of drilling diesel engine overhead tank |
09/05/2007 | CN200943816Y Via hole type poling board device for trapping slug flow |
09/05/2007 | CN200943813Y Double flowmeter multiple style oil pipe system |
09/01/2007 | CA2565555A1 Backflow prevention device |
08/30/2007 | WO2007095685A1 An industrial process efficiency method and system |
08/29/2007 | CN200940771Y Steam temperature reducing and pressure reducing device |
08/29/2007 | CN101025253A Precision metering system with braking function for use while liquid, gas pipeline delivery |
08/29/2007 | CN101025252A Oil-gas multi-phase mixed delivering pump inlet flow-harmonization device |
08/22/2007 | CN2937766Y Automatic integral supply device of liquid auxiliary material |
08/16/2007 | DE202007002968U1 Vorrichtung zum Steuern oder Regeln der Verteilung von staub- oder granulatförmigen Partikeln in einem oder mehreren Trägergasströmen Apparatus for controlling the distribution of dust or granular particles in one or more carrier gas streams |
08/15/2007 | CN2934875Y Remedy adding device for demulsifier for dewatering of crude oil |
08/15/2007 | CN101016974A Oil, water and gas zero-discharging pipe sealing and emptying transmission system |