Patents
Patents for F17D 5 - Protection or supervision of installations (3,893)
02/2013
02/13/2013CN102927447A Synchronous deflation method for air channel pressure-reducing pipeline system
02/13/2013CN102345796B Method for monitoring oil-gas pipeline in mining subsidence area
02/13/2013CN101936455B Infrasound and low-frequency sound sensor for monitoring fluid leakage in high-pressure pipeline
02/07/2013WO2013019136A1 System and method for inspecting a subsea pipeline
02/07/2013WO2013019119A1 Underwater detection apparatus
02/07/2013CA2843394A1 System and method for inspecting a subsea pipeline
02/07/2013CA2842516A1 Underwater detection apparatus
02/06/2013CN102913761A Double-Sagnac pipeline safety monitoring system
02/06/2013CN102913760A Process method for online detecting seepage and leakage of condenser
02/06/2013CN102305352B Online monitoring system for corrosion state of oil and gas pipelines and method thereof
02/06/2013CN101832471B Signal identification and classification method
02/06/2013CN101636614B A multiple valve assembly for reducing water loss from a leak
01/2013
01/31/2013WO2013013315A1 Pipe support
01/31/2013CA2832297A1 Pipe support
01/30/2013CN202708602U Leakage detecting device for internal oil-gas pipeline
01/30/2013CN202708601U Leakage detecting device for external oil-gas pipeline
01/30/2013CN202708600U Gas and liquid transportation project intelligent pipeline
01/30/2013CN202708599U Pipeline detection conveying device
01/30/2013CN102900955A Pipeline leakage on-line monitoring device and method based on f fiber temperature detection
01/30/2013CN102287619B Methane leakage detection device
01/30/2013CN102242872B Oil transportation pipeline network leakage detection method based on generalized fuzzy hyperbolic model
01/30/2013CN101493186B Groundwater supply pipe network water leakage detecting method
01/28/2013CA2783943A1 Excess flow valve
01/24/2013WO2012161842A3 Leak detection system
01/24/2013DE102011108012A1 Camera probe for inspection of water or sewage carrying channels, comprises hydraulic drive unit, and is arranged in main channel or in branching subsidiary channel displaceable or movable from main channel
01/23/2013CN202691602U Air-leakage detection apparatus for conveying pipeline
01/23/2013CN102168806B Method for collecting position information of long-distance gas transporting pipeline
01/23/2013CN101999053B Double pipe apparatus
01/23/2013CN101358688B Magnetic leakage detector out of diameter-variable pipe driven by DC generator
01/17/2013WO2013009400A1 Design and apparatus of a magnetic resonance multiphase flow meter
01/17/2013WO2012125022A3 Arrangement comprising a gas delivery control system and a central heating installation and gas delivery control method
01/16/2013CN202674838U Coal-gas drainage device with superconductive heat-tracing and thermal-preservation functions
01/16/2013CN102878436A Heating duct detecting robot
01/16/2013CN102878435A Steam mixing anti-explosion system
01/16/2013CN102162577B Pipeline defect surface integrity detection device and detection method
01/16/2013CN101865361B Passive acoustic detecting and positioning method for double-basic matrix data fusion power station boiler four-tube leakage
01/16/2013CN101725835B On-site automatic detection alarm device for main steam pipeline creep expansion damage
01/09/2013CN202660246U Pressure protective anti-leakage gas drainer
01/09/2013CN202660245U Liquid separation one-way atomizer
01/09/2013CN102865459A Heat supply pipe network leakage positioning system and heat supply pipe network leakage positioning method
01/09/2013CN102095082B Single-channel time reversal guided wave detection device and method for pipeline
01/09/2013CN102080767B Method and device for detecting oil mixing interface in sequential oil transportation
01/03/2013WO2013000308A1 Determining fluid leakage volume in pipelines
01/03/2013DE102011078240A1 Leckageerkennung mittels stochastischer Massenbilanz Leakage detection using stochastic mass balance
01/02/2013CN202647196U Gas alarming device for infrared radiation heating device
01/02/2013CN202647195U Petroleum transmission pipeline leakage monitoring system
01/02/2013CN202647194U Gas pipeline leakage monitoring system
01/02/2013CN202647193U Buried pipe network leakage rapid detection device
01/02/2013CN102853263A Special gas cabinet control system and method for detecting steel cylinder exchange in special gas cabinet
01/02/2013CN102853262A Leakage repairing system of oil transportation pipeline
01/02/2013CN102853261A Method and device for determining leakage amount of fluid in conveying pipeline
01/02/2013CN102853260A Automatic control safe displacement device of gas engineering and application method thereof
12/2012
12/27/2012WO2012175954A1 Monitoring of conduits
12/27/2012CA2839764A1 Monitoring of conduits
12/26/2012CN202634526U Dialing notification alarm for water leakage
12/26/2012CN202629593U Steel corrosion real-time quantification remote monitoring system
12/26/2012CN202629590U Vacuumizing device
12/26/2012CN102840450A Monitoring system of oilfield pipeline leakage
12/26/2012CN102840449A Indoor gas safety anti-theft system
12/26/2012CN102840448A Anti-overflow device of ore pulp conveying drop pipe
12/26/2012CN102840447A Anti-explosion method and anti-explosion device used for oxygen storage and transportation equipment
12/26/2012CN101871576B Helium leak detection tool of MSR (Missile Site Radar) reheater pipe system
12/20/2012US20120318368 Leak detection logic for closed-volume system
12/20/2012DE102011105778A1 Verfahren und Vorrichtung zum Bewerten des Verbrauchs eines Mediums in einem Versorgungssystem Method and apparatus for evaluating the consumption of a medium in a supply system
12/19/2012EP2535691A1 Leak isolation logic for closed-volume system
12/19/2012CN202613063U Pressure pipeline leakage monitoring device
12/19/2012CN202613062U Gas leakage automatic processing device capable of alarming and automatically shutting down leaking pipeline
12/19/2012CN202613061U Automatic leakage preventing device for gas draining device
12/19/2012CN202613060U Valve plate type combustion gas overflowing differential pressure sensor
12/19/2012CN202613059U Liquid leakage detection line with sheath
12/19/2012CN202613058U Transporting pipeline with leakage capable of being remotely monitored
12/19/2012CN202613057U Programmable logic control (PLC) self-locking safety device for pipeline
12/19/2012CN202613056U Bus-technology-based data acquisition system with intelligent identification and automatic matching functions
12/19/2012CN202613055U Pipeline blockage position detector
12/19/2012CN102829331A Efficient safety maintenance management method for oil and gas pipelines
12/19/2012CN101968162B Pipeline leakage positioning system and method based on collaborative detection with negative pressure wave and sound wave
12/19/2012CN101886744B Ultrasonic positioning device and positioning method of portable internal pipeline fault detection equipment
12/13/2012WO2012167380A1 Robotic apparatus for automated internal pipeline girth weld ultrasonic inspection
12/13/2012CA2838608A1 Robotic apparatus for automated internal pipeline girth weld ultrasonic inspection
12/12/2012CN202598149U Fluid conveying safety monitor
12/12/2012CN202598148U Conveying pipeline capable of monitoring leakage
12/12/2012CN202598147U Natural gas pipeline leakage monitoring system based on sensing optical fiber
12/12/2012CN202598146U Parallel shunt-type safety device of gas running pipe
12/12/2012CN202598145U Freezing pipe fracture alarming device
12/12/2012CN202598142U Buried drainage device for condensed water in coal gas
12/12/2012CN202598004U Pilot-operated pressure regulating valve heating system with over-voltage protection
12/12/2012CN102818121A Leakage testing method of self-overflow type external line drainage pipeline
12/12/2012CN102818120A Oil gas recovery safety control system and control method of oil gas recovery safety control system
12/12/2012CN102818119A Combustible gas jet explosion-proof flame-retardant device
12/12/2012CN102818118A Ice blockage resistant method of natural gas station equipment
12/12/2012CN101725834B Magnetic sensor for pipeline crawling device
12/12/2012CN101649958B Air supply method for pipe network of dimethyl ether bottle group station
12/12/2012CN101363574B Passive shuttle type device for preventing water hammer and thrash
12/12/2012CN101255949B Excess voltage protector for high sensitivity drainer
12/09/2012CA2742579A1 Pipeline reflectometry apparatuses and methods field
12/06/2012WO2012162775A1 Method and equipment for identifying and measuring alternating current interference in buried ducts
12/05/2012CN202580647U Online leakage detection and positioning system for heating pipeline
12/05/2012CN202580646U Monitoring terminal
12/05/2012CN202580645U Oil leakage warning device of oiling equipment
12/05/2012CN202580644U Underground pipeline fast video detecting device
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ... 39