Patents for F17D 5 - Protection or supervision of installations (3,893) |
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11/14/2007 | CN200975609Y Detection device for underground pipe leak |
11/14/2007 | CN101071098A Underground steel gas pipe network pipeline corrosion prediction system |
11/14/2007 | CN101070947A Pipeline joint-seam seepage detection system |
11/14/2007 | CN101070946A Fluid-leakage anti-damage method and use thereof |
11/07/2007 | EP1852820A1 Method of automatically optimising a natural gas transport network |
11/07/2007 | CN200972056Y Detector for combustible gas alarm |
11/07/2007 | CN200972055Y Gas leakage-proof device for gas pipeline drainage device |
11/06/2007 | CA2327915C Process and fixture for ascertaining pressure losses |
10/31/2007 | DE102006039701B3 Drinking water or industrial water system`s damage recognizing method for use in e.g. hotel, involves lowering water pressure in riser system downstream to supply line to system pressure by using pressure regulator |
10/31/2007 | CN200968500Y Automatic shutoff operation apparatus capable of monitoring gas-leakage alarm |
10/31/2007 | CN200968499Y City gas remote real time monitoring system |
10/31/2007 | CN101063512A Detecting pipeline and control flowpath of pipeline joint detecting system |
10/25/2007 | WO2007119793A1 Fluid conveyance hose |
10/24/2007 | CN101059206A Pressure-based gas delivery system and method for reducing risks associated with storage and delivery of high pressure gases |
10/23/2007 | US7284570 Electrically powered valve for controlling, monitoring and evaluating fluid flow |
10/18/2007 | WO2007117083A1 Gas leakage detection apparatus |
10/17/2007 | CN200961787Y Oil delivery pipe detector for preventing oil theft |
10/16/2007 | US7283913 Method of executing a leak control system, and a leak control system for performing the method |
10/16/2007 | US7281411 Pipeline leak-testing method |
10/10/2007 | CN200958687Y Corresponding pulse pipeline leakage alarming system |
10/10/2007 | CN200958686Y Quasi-distributed optic-fiber oil-leakage sensor system |
10/10/2007 | CN101050841A Anti-explosion device for combustible gas |
10/03/2007 | CN200955665Y Optical-fiber safety prewarning device |
10/03/2007 | CN200955664Y Energy-saved gas fully-automatic safety device |
10/02/2007 | US7277822 Embedded system for diagnostics and prognostics of conduits |
09/27/2007 | US20070221278 Flow Interrupter for a Liquid or Gaseous Fluid Flow Pipe |
09/26/2007 | CN200952649Y Anti-coal gas leakaging device for gas pipeline water drain device |
09/26/2007 | CN200952648Y Antitheft magnetic thread plug |
09/26/2007 | CN100339637C Automatic monitoring and evaluating system for interference corrosion of embedded metal pipeline |
09/19/2007 | CN200949756Y Combustor pipe leakage alarm controlling device |
09/19/2007 | CN101038250A Loop-type multi-phase flow erosion test device |
09/18/2007 | CA2378329C Data transmission in pipeline systems |
09/13/2007 | DE10309263B4 Geberträger für ein innerhalb von Rohren einsetzbares Inspektionsgerät (Ausführungsformen) Donor support for a usable inside of pipes inspection device (embodiments) |
09/12/2007 | CN101036042A System and method for utility metering and leak detection |
09/12/2007 | CN101034030A Probe built-in type hydrogen gas leakage detector |
09/12/2007 | CN101033826A Pipe leakage detecting instrument, detecting device and detecting method based on dynamic low-frequency technology |
09/12/2007 | CN100337094C Method and system of optical fibre interference type auto-monitoring for long distance pipeline safety monitoring |
09/07/2007 | WO2007100244A1 Water mains system with monitoring of addition of branches, system and method therefor |
09/07/2007 | CA2642234A1 Water mains system with monitoring of addition of branches, system and method therefor |
09/05/2007 | EP1828670A2 Network of pipes for supplying water or gas and/or for evacuating process water with a hierarchical structure, method for detecting a leakage in a network of pipes of this type and method for the computer-aided determination of a theoretically remaining lifetime of a renewable energy source for at l |
09/05/2007 | CN200943821Y Antifreeze protector for pipeline |
09/05/2007 | CN200943798Y Combustion gas conveying tube design capable of displaying air current flowing |
09/05/2007 | CN101029709A Safety induction band of petroleum pipeline |
08/30/2007 | WO2007095699A2 Method and device for determining a gas leak |
08/30/2007 | CA2642463A1 Method and device for determining a gas leak |
08/23/2007 | US20070194919 Method and device for localizing anomalies located inside an immersed hollow structure |
08/22/2007 | CN2937767Y Gas protection cover |
08/22/2007 | CN2937720Y Anti-electrostatic direct-buriried diffusion valve device for gas pipe net |
08/15/2007 | CN2934877Y Imbedded type tube leakage detection instrument with radio mutual function |
08/15/2007 | CN2934876Y Optical fiber polarization control device for safety pre-alarm |
08/15/2007 | CN101016975A On-line testing method for gas oil pipe leakage based on orienting suction wave identification technology |
08/09/2007 | WO2007087720A1 Pipeline leakage-sensing device |
08/09/2007 | DE102006005027A1 Pipeline leakage detecting method for water supply, involves utilizing positive or negative - difference between reference value and measured value for indicating leakage in pipeline |
08/09/2007 | CA2853334A1 Pipeline leakage-sensing device |
08/09/2007 | CA2641048A1 Pipeline leakage-sensing device |
08/08/2007 | CN2932032Y Continuous gas odorization device |
08/08/2007 | CN101012913A Chaos analysis and micro-processor based conduit pipe micro-leakage diagnosing method and device |
08/08/2007 | CN101012912A Appearance measuring and detecting method for inner surface of space curve type long-distance microtubule |
08/01/2007 | CN2929440Y Optic fiber safety early warning polarization and phase united controller |
08/01/2007 | CN2929439Y Optic fiber safety early warning signal identifier |
07/25/2007 | CN2926758Y Self-loading power gas leakage-proofing device |
07/25/2007 | CN2926757Y Isolated antifouling drainer |
07/25/2007 | CN101004242A Method for automatic controlling closedown of pipeline, and implementation device |
07/18/2007 | CN2924260Y Coal gas-natural gas valve automatic closing device |
07/11/2007 | CN2921549Y 管道泄漏信号传感装置 Pipeline leakage signal sensing devices |
07/10/2007 | US7240574 Sensors carrier for in-tube inspection scraper |
07/05/2007 | US20070151605 Water ingress detection system |
07/04/2007 | CN2918969Y Conduit leakage monitoring and positioning warning system |
07/04/2007 | CN2918968Y Conduit gamma-ray detecting special protecting device |
06/27/2007 | EP1800103A1 System and method for utility metering and leak detection |
06/20/2007 | CN1982770A Sealing workpiece |
06/13/2007 | CN2911383Y System pipeline heater |
06/13/2007 | CN1978977A Supersonic guide-wave time reversion detection apparatus and method for defect of pipeline |
06/06/2007 | DE19528287B4 Verfahren zur Erkennung eines Lecks in einem Trinkwasser-Versorgungsnetz und Anordnung zur Durchführung des Verfahrens Method for detecting a leak in a drinking water supply network and the arrangement for implementing the method |
06/06/2007 | CN2908976Y Gas explosion-proof apparatus of industrial furnace |
06/06/2007 | CN1975235A Automatic regulating device for gas induction error |
06/06/2007 | CN1973753A Micro robot and its in vitro guiding system |
05/24/2007 | US20070116403 Embedded system for diagnostics and prognostics of conduits |
05/23/2007 | CN1967043A Method for reducing leakage in liquid conveying system |
05/16/2007 | EP1784602A1 Collector line for leakage monitoring and leakage location |
05/16/2007 | DE202007003361U1 Vorrichtung zum Prüfen von flüssigkeitsführenden Rohrleitungssystemen, insbesondere von Wasserleitungen, auf Undichtigkeit Apparatus for testing liquid-conveying pipeline systems, especially water lines for leaks |
05/16/2007 | CN2901009Y Heat insulation sound conducting film type sound conducting tube |
05/16/2007 | CN1963491A Defect distinguish based on three-dimensional finite element NN and quantified appraisal method |
05/15/2007 | CA2233254C An apparatus for determining the concentration profiles of liquid or gaseous substances along a route |
05/03/2007 | WO2007049993A1 Method for protecting against explosion during an in-tube flaw detector operation and a protection system device |
05/03/2007 | WO2007048385A1 Feed pipe for transporting solids |
05/03/2007 | DE102005051767A1 Förderrohr für den Feststofftransport Delivery pipe for conveying solids |
05/02/2007 | CN2895986Y Moveable electric-heating unblocking vehicle |
05/02/2007 | CN2895985Y Alarming device and detecting assembly of liquid circulation system |
05/02/2007 | CN2895980Y Large, middle type external compression procedure space-division device burst-proof technology |
04/25/2007 | CN2893384Y Oil-gas transfer pipeline plugging packing cup |
04/25/2007 | CN2893383Y Thunderproof device for Gas pipeline |
04/25/2007 | CN1954171A Circuit breaker for a liquid fluid or gas line |
04/25/2007 | CN1952825A Crawling intelligent controller in submarine pipeline |
04/20/2007 | CA2564669A1 A method and apparatus for protecting conduits |
04/18/2007 | CN2890585Y Ultrasonic automatic pipe leakage detector |
04/11/2007 | CN2888250Y Alarm for theft and leakage prevention of pipeline |
04/07/2007 | CA2562751A1 System to manage maintenance of a pipeline structure, program product, and related methods |
04/06/2007 | CA2560647A1 Fail safe secondary containment system for a cryogenic liquid transport pipeline |
04/06/2007 | CA2524159A1 Pneumatic relay and instrument housing combination |