Patents
Patents for F17D 5 - Protection or supervision of installations (3,893)
11/1994
11/17/1994DE4327215C1 Apparatus for the testing and/or repair of conduits
11/02/1994EP0622584A1 Device for interrupting delivery of fluid to control leakages from a duct
10/1994
10/25/1994US5357998 Safety system for fluid conduit
10/18/1994CA1332518C Duct testing
10/13/1994WO1994023242A1 A device and a method for localizing leakages in conduit networks
09/1994
09/15/1994DE4307201A1 Temperature measuring system for locating leaks in sewage systems
09/13/1994US5347264 Method and apparatus for automatically controlling a water supply using movement detector means
08/1994
08/17/1994CN1090916A Pipeline
08/16/1994US5337597 Bubble emission volume quantifier
08/02/1994US5333490 Secondary containment system using flexible piping
07/1994
07/27/1994CN1090028A Automatic-closing device for leakage of gas line
07/05/1994CA1330516C Test-fluid composition and method for detecting leaks in pipelines and associated facilities
06/1994
06/16/1994DE4241524A1 Safety hose for gas appliance connection from bottle - has flexible rubber hose surrounding pressure hose connecting gas bottle and appliance with porous nut at bottle end
05/1994
05/17/1994US5312205 Pipeline to reduce loss from breach
05/11/1994EP0409882B1 Detector
04/1994
04/14/1994WO1994008162A1 Pipeline
04/13/1994EP0591294A1 Gas and/or liquid tubular duct.
04/12/1994US5302895 Joint or discontinuity detector for use with pipes and the like
03/1994
03/31/1994DE4231882A1 Faulty inaccessible sewer pipe discovering method - involving use of external pulse basis radar and internal continuous wave frequency modulation radar process
03/17/1994WO1993026115A3 Data transmission on undersea pipelines
03/16/1994CN1024040C Protective system for power station pressure pipes blasting
03/15/1994US5293898 For a gas pipe
02/1994
02/23/1994EP0583708A1 Procedure and device for calibrating a ultrasonic system for locating leaks
02/22/1994US5287873 Installation and process for the distribution of very high purity nitrogen
02/20/1994CA2104325A1 Method and apparatus for calibrating an ultrasonic leak location
02/16/1994EP0470133B1 Safety valve
01/1994
01/26/1994EP0580298A2 Flow detecting systems
01/12/1994EP0423258B1 Cable for locating fluids
12/1993
12/31/1993CA2099723A1 Flow detecting systems
12/29/1993EP0426803B1 Leak detection for hydraulic drive systems
12/29/1993CN2151350Y Reversible water sealer for gas pipe
12/23/1993WO1993026115A2 Data transmission on undersea pipelines
12/21/1993US5271901 Device having a diffusion sensor hose for detecting a leak
12/16/1993DE4217583C1 Sealing testing device for drainage pipe connection - monitors raised or reduced pressure of test fluid in hollow space between two elastomer pipe seals supplied with test medium.
12/14/1993US5269173 Flat bottomed tanks and process to detect leakages
12/08/1993EP0414854B1 Liquid-detecting cable
12/07/1993US5267447 Process and device for preventing the liquefaction-leakage phenomenon of gas in a pressure regulator
11/1993
11/23/1993US5263312 Tube fitting for a gas turbine engine
11/03/1993CN1078029A Fire-proof & explosion-proof valve for pipe deliverying inflammable-explosive matter
09/1993
09/23/1993DE4208970A1 Detecting and locating leaks in pipes, e.g. sewage pipes, - using physical, chemical, biological and=or other analysis to determine leak origin and hazard
09/22/1993CN1022198C Gas shutoff apparatus
09/15/1993EP0559993A1 A system for the detection of a sudden rupture in a pipe through which a liquid is flowing under pressure.
09/09/1993DE4207067A1 Locating leaks in pipes carrying liquid or gas - measuring different transition times of escaping medium to separate measurement points, e.g. using synchronised hydro- or microphone transducers
09/08/1993EP0558674A1 Pipeline pig and method of pipeline inspection.
09/02/1993WO1993017275A1 Pipe for conveying a medium
09/02/1993WO1993017266A1 Environmentally safe underground piping system
09/02/1993CA2130191A1 Environmentally safe underground piping system
07/1993
07/21/1993CN2138743Y Point valve box for oxygen
07/20/1993US5228469 Fluid control system
06/1993
06/30/1993EP0548243A1 Method and apparatus including movement detector in a monitoring system.
06/15/1993US5218859 Method and apparatus for monitoring a conduit system for an incompressible fluid for leaks
05/1993
05/12/1993EP0541520A2 Detector for detecting discontinuities in a pipe
05/11/1993CA1317652C Flow sensor and system incorporating the same for monitoring steam turbine drain valves
05/05/1993CN2132065Y Point valve box for acetylene
04/1993
04/29/1993DE4135200A1 Leak detector and indicator for fluid conveying pipes etc. - has pressurised monitoring chamber and pressure switches to control optical and-or acoustic alarm
04/20/1993US5204622 Improved probe for inspecting tubes having mechanism for maintaining alignment of probe axis of rotation
03/1993
03/04/1993DE4128750A1 Locating leaks in fluid pipe network - comparing two different types of pressure profile at times between estimated leak occurrence time and detection time
02/1993
02/23/1993US5187973 Leak monitor for hydraulic drive systems
02/16/1993US5186432 Safety valve
02/03/1993EP0525594A1 Method and apparatus for monitoring a medium by means of a sensing hose
02/03/1993EP0525593A1 Sensing hose for monitoring a medium
01/1993
01/28/1993DE4124640A1 Insulated pipeline with leakage detection - uses high resistance bare conductor and connecting wires through insulation to locate insulation breakdown
01/13/1993EP0521885A1 Apparatus for preventing water damage due to plumbing leaks in buildings.
01/07/1993WO1993000547A1 Gas and/or liquid tubular duct
01/05/1993US5177468 Conduit liner monitor
12/1992
12/23/1992EP0518978A1 Apparatus for inspecting the interior of a lateral pipeline
12/22/1992US5172582 Method of detecting escape or spillage of a cold liquid
12/21/1992CA2071667A1 Bubble emission volume quantifier
12/10/1992WO1992021914A1 Supply line assembly
12/01/1992US5167867 Test-fluid composition and method for detecting leaks in pipelines and associated facilities
11/1992
11/11/1992CN1019044B Release valve for controlling pressure-increasing rate and maximum pressure in pipe
11/04/1992EP0511934A1 Vehicle with an apparatus for inspecting pipes
10/1992
10/28/1992CN2120284U High reliable and precision gas leak protector
10/07/1992EP0507673A1 Process and device for preventing the liquefaction-leakage phenomenon of gas in a pressure regulator
09/1992
09/17/1992WO1992015820A1 A method and a system for detecting and localizing leaks in pressurized conduits or conduit networks
09/08/1992US5144839 Method of checking the presence of a pipeline connection between two end points
08/1992
08/25/1992US5140847 Cable for detecting location of liquids
08/20/1992WO1992014058A1 Junction assembly with leak detection means
08/18/1992US5139044 Fluid control system
08/13/1992DE4104216A1 Leitungsrohr zum transport eines mediums Conduit for transporting a medium
07/1992
07/14/1992CA1304946C Pipeline systems
06/1992
06/24/1992EP0491027A1 Safety cut-out.
05/1992
05/23/1992WO1992009847A1 Pipeline pig and method of pipeline inspection
05/23/1992CA2095625A1 Pipeline pig and method of pipeline inspection
04/1992
04/22/1992CN2102435U Anti-explosive, anti-leakage safety device for gas bottle
04/02/1992WO1992005385A1 Method and apparatus including movement detector in monitoring system
03/1992
03/25/1992EP0477167A2 Method and arrangement for area monitoring
03/18/1992CA2051533A1 Procedure for monitoring an area of ground
03/12/1992CA2050256A1 Process for commissioning pipelines
03/05/1992WO1992003679A1 Safety system for fluid conduit
03/03/1992US5092161 Duct testing
02/1992
02/25/1992US5090871 Junction assembly with leak detection means
01/1992
01/28/1992US5084764 Pipe inspection system
01/07/1992WO1992001184A1 Safety cut-out
12/1991
12/27/1991EP0338070A4 Treadable insulation system with lagging support
11/1991
11/27/1991CN2089566U Protector for liquid pipe flow cutout
11/19/1991CA1292306C Apparatus for inspecting a pipeline
11/13/1991EP0456366A2 A method of detecting escape or spillage of a cold liquid
11/13/1991EP0456094A2 Flat-bottomed container
11/05/1991US5062442 Apparatus for monitoring a fluid conduit system for leakage points
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