F17D 3 - Arrangements for supervising or controlling working operations

Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120)
12/2009
12/16/2009	CN201363892Y Heat exchanger for regulating pressure of nature gas and pressure regulation device with same
12/16/2009	CN201363559Y Full flow pipe with branch structure
12/16/2009	CN201363558Y Three-phase crude oil paraffin control and viscosity reduction device for oil production pipeline
12/16/2009	CN201363557Y Measuring system for intensively supplying medicament
12/16/2009	CN101603629A Movable liquefied natural gas odorization pressure regulating box
12/16/2009	CN101603627A Automatic switching and adjustment method for big and small pipes of coal gas mixing station
12/16/2009	CA2635725A1 Pipeline leak detection system
12/10/2009	US20090301568 Verifiable Closing and Locking System of a Cylindrical Passageway
12/10/2009	US20090301167 Water detection device
12/09/2009	EP2131096A2 Apparatus and method for processing hydrocarbon liquefied gas
12/09/2009	CN201359198Y Overpressure self-closing gas drainer
12/08/2009	CA2401639C Modular surface-mount fluid-flow system
12/03/2009	US20090296874 Plant with Piping Mounted on Branch Pipe and Boiling Water Reactor Plant
12/02/2009	CN201354935Y Pressure flow automatic control device used for compressed air system
12/02/2009	CN201354934Y Pressure reducing regulator
12/02/2009	CN201354933Y Automatic monitoring system of booster pump station based on PLC and Internet
11/2009
11/26/2009	US20090288710 Methods and devices for sampling flowable materials
11/25/2009	CN201351812Y Central water injection heating type gas drainer
11/25/2009	CN201351811Y Gas-leakage preventive device for gas conduit drainer
11/25/2009	CN101587814A A plasma processing apparatus and a processed air supply apparatus it uses
11/20/2009	CA2666257A1 Tool for insertion of a flow control device for a fluid line, and implementation process
11/20/2009	CA2666252A1 Tool for inserting a flow control device for a fluid line into a quill, and implementation process
11/19/2009	WO2009137930A1 Pipeline magnetic separator system
11/19/2009	WO2009085866A4 Gas transport delay resolution for short etch recipes
11/19/2009	US20090283147 Automate fluid flow control system
11/19/2009	CA2762034A1 Pipeline magnetic separator system
11/18/2009	CN201348141Y Heater and controllers thereof
11/18/2009	CN201348139Y Cooling water backup pipeline system
11/18/2009	CN201348138Y Safety transportation device for high-purity diethyl zinc
11/18/2009	CN201348137Y Novel dual-refluxing voltage-stabilizing gas supply system
11/18/2009	CN101581401A Online switching method of high-pressure long-distance slurry pipeline transmission multi-stage pump station
11/18/2009	CN101580038A Natural gas bath apparatus
11/12/2009	DE10326656B4 Durchflusssensor Flow sensor
11/11/2009	CN201344372Y System capable of reducing hydrogen sulfide during process of conveying crude oil by pipeline
11/11/2009	CN201344371Y Self-mixing liquid conveying device
11/11/2009	CN201344369Y Pressure liquid charging device
11/11/2009	CN201344368Y Split-type feeding pipe
11/05/2009	WO2009102136A3 Apparatus and method for processing hydrocarbon liquefied gas
11/05/2009	US20090272439 Maximum operating pressure control for systems with float valve metering devices
11/05/2009	CA2853841A1 Apparatus and method for proving at low temperatures
10/2009
10/29/2009	US20090271045 Irrigation flow converter, monitoring system and intelligent water management system
10/29/2009	US20090266410 Vacuum processing apparatus, vacuum processing method, electronic device, and electronic device manufacturing method
10/29/2009	US20090265907 High precision grinding and remanufacturing of machine components
10/29/2009	DE102009000613A1 Trennschichtanordnung für eine pneumatische Wasserentnahmevorrichtung Separation layer arrangement for a pneumatic water sampling device
10/28/2009	CN201334359Y Chlorine centralized drying and liquefying device
10/28/2009	CN101566248A Fuel gas shutoff solenoid valve controller
10/21/2009	CN201330934Y Multifunctional well type drainer
10/21/2009	CN201330932Y Nonuniform two-phase flow stabilizer
10/21/2009	CN201330149Y Ore slurry flow divider
10/21/2009	CN101561080A Pulp distributer provided with deslagging screen
10/15/2009	CA2718840A1 Methods and configuration of boil-off gas handling in lng regasification terminals
10/14/2009	CN201326908Y Drainer
10/14/2009	CN201326907Y Self-pressurization device of compressed air pipeline
10/14/2009	CN201326906Y Automatic path selecting director for gas pressure regulation
10/14/2009	CN201326905Y Titanium tetrachloride transfer device
10/14/2009	CN201326904Y 空气压缩系统 Compressed air system
10/14/2009	CN201326903Y Natural gas supply system
10/13/2009	US7601302 Include a liquid pump that draws liquid feedstock from a supply and delivers at least one feed stream containing the feedstock to a fuel processor
10/07/2009	CN201322192Y Level monitoring water replenishing device for gaspipe network steam trap
10/07/2009	CN201322191Y Water draining device for gas condensate
10/07/2009	CN201322188Y Manual air feed gas cabinet
10/07/2009	CN101551060A Method and device for integrated utilization of natural gas pipe network pressure energy refrigeration and hydrate
10/01/2009	WO2009085866A3 Gas transport delay resolution for short etch recipes
09/2009
09/30/2009	CN201318552Y Gas-water separator
09/30/2009	CN201318551Y Indirect acting type gas pressure regulator used for adjusting forward pressure
09/30/2009	CN101545580A Gas pipeline drainer capable of performing online detection and blocking cleaning
09/29/2009	CA2343429C Facility for dust removal using filter hoses, with a pneumatic periodic backwashing device
09/24/2009	US20090240376 System and method for controlling flow characteristics
09/24/2009	DE102008045398A1 Filter unit used to trap dirt particles carried in flow of central heating system, is arranged transversely with respect to main direction of flow
09/23/2009	CN201314460Y Centralized control water distributor
09/23/2009	CN101539240A Crude oil mixed-transferring integrated device and method
09/22/2009	US7591277 Fuel balancing system
09/17/2009	US20090229686 Poppet Valve Assembly With In-Line Sight Glass
09/16/2009	CN201310751Y Novel leakage prevention device
09/16/2009	CN201310750Y Automatic supplying water stabilizing pressure exhaust set
09/15/2009	CA2460124C Friction reducing composition and method
09/09/2009	EP2098923A1 Monitoring system with power supply built therein
09/09/2009	CN201306607Y A buried evaporator
09/09/2009	CN201306606Y Rotary lifting mechanism
09/09/2009	CN201306605Y Automatic control system for multi-pipeline congregation and distribution of fluid
09/09/2009	CN101526174A A device for the transfer of fluids
08/2009
08/27/2009	US20090214302 Control of slurry flow
08/27/2009	US20090211642 Monitoring apparatus
08/26/2009	CN201297499Y Air-capacitor
08/26/2009	CN201297498Y Liquid discharge device
08/26/2009	CN201297497Y Steam convergence energy-saving device
08/26/2009	CN100532916C Energy conservation environmental protection heavy oil dispensing machine
08/20/2009	WO2009102136A2 Apparatus and method for processing hydrocarbon liquefied gas
08/19/2009	CN201293205Y Automatic switchover busbar apparatus
08/19/2009	CN201293204Y Full automatic centralization supplier for liquid auxiliary raw material
08/19/2009	CN101509603A Electric slurry distribution box
08/18/2009	US7575057 Polymeric gel system and use in hydrocarbon recovery
08/18/2009	CA2452888C Friction reducing composition and method
08/13/2009	US20090202391 Micro passage chip and fluid transferring method
08/13/2009	US20090199828 Air injection engine
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	CN100526703C Adsorption type fractionation device directional flow control valve assembly device and method
08/11/2009	US7574285 Expandable irrigation controller
08/05/2009	CN201285515Y Pressure control system for natural gas transmission station

1 ... 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 ... 42