| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 03/30/1994 | CN2160050Y Long magnetic path flexible pipe liquid magnetizer |
| 03/29/1994 | US5297896 Environmentally safe underground piping system |
| 03/29/1994 | US5297691 Closure plug and methods of employing the same to maintain a fire-rated barrier |
| 03/29/1994 | US5297584 Pipe seal |
| 03/29/1994 | US5297583 Apparatus for limiting a leak in the event of a rupture in pipework |
| 03/29/1994 | US5297582 Method for water leakage prevention in pipeline |
| 03/29/1994 | US5297581 Pipeline plugger |
| 03/29/1994 | US5297574 Fuel dispensing hose breakaway assembly |
| 03/24/1994 | DE3943689C2 Restoration of leaky buried pipes |
| 03/23/1994 | CN2159487Y Pipe shock absorptor |
| 03/22/1994 | US5297187 Pressure vessel penetration sealing device |
| 03/22/1994 | US5296201 Sensor for detecting gas space, means for venting chamber |
| 03/22/1994 | US5296200 Apparatus for venting excess gas bubbles from a bubble contactor |
| 03/22/1994 | US5296039 Inserting pig into conical chamber fastened with narrow end in pipeline, pushing pig in |
| 03/22/1994 | US5295716 For sealing a leak location in a pipe |
| 03/22/1994 | US5295293 Arrangement and method for closing off fluid passages |
| 03/22/1994 | CA1327989C Method and apparatus for blowing an optical fibre member |
| 03/17/1994 | WO1994005989A1 Process and device for inspecting and/or servicing and repairing subsidiary canals branching off from a main drain |
| 03/17/1994 | WO1994005946A1 Method and apparatus for porting lateral connections in lined pipelines |
| 03/17/1994 | WO1994005945A1 Methods for repairing pipe |
| 03/17/1994 | DE4230586A1 Lining process for underground pipeline - uses plastics extrusion head pulled through pipe by winch for continuous, even coating of pipe interior |
| 03/16/1994 | EP0426871B1 Method of repairing live pipe at joint of existing gas pipes |
| 03/16/1994 | CN1024040C Protective system for power station pressure pipes blasting |
| 03/15/1994 | US5294154 Temporary selective pipe connection apparatus with multiple inlets and outlets |
| 03/15/1994 | US5293932 Apparatus for cutting off projections inside pipes |
| 03/15/1994 | US5293905 Pipeline plug |
| 03/15/1994 | US5293823 Robotic vehicle |
| 03/15/1994 | CA1327706C Existing pipeline renewing method and apparatus therefor |
| 03/10/1994 | DE4229787A1 Underground drainage channel inspection probe for auxiliary conduits of narrow cross=section - feeds water at high pressure through nozzles located around ring at end of hose, to generate reaction force to propel probe camera through conduit |
| 03/09/1994 | EP0585543A1 Fastening device for pipes consisting of a fixing clamp and a support |
| 03/09/1994 | EP0471044B1 Extensible hose for reducing pressure pulses |
| 03/08/1994 | US5291911 For proportioning non-pre-dominant phase of a two-phase fluid flow |
| 03/08/1994 | US5291842 High pressure liquid containment joint for hydraulic aerator |
| 03/08/1994 | CA1327436C Surge-pressure removing system for back-pressure in injection cylinder |
| 03/03/1994 | WO1994004864A1 Pipeline plug |
| 03/03/1994 | WO1994004844A1 Vibration reduction |
| 03/02/1994 | EP0584784A1 Clamping and coupling means |
| 03/02/1994 | EP0584746A1 Pressure reducing valve |
| 03/02/1994 | EP0584686A1 Freezing device for pipes filled with fluid |
| 03/02/1994 | EP0584381A1 Method for installing plastic liners in a pipe and a tubular plastic liner arrangement |
| 03/01/1994 | US5289851 Plug for heat exchanger tubes |
| 03/01/1994 | US5289850 Fluid coupling having vent valve assembly |
| 02/27/1994 | CA2104553A1 Clamping and coupling means |
| 02/23/1994 | EP0583913A1 Equipment for the interconnection of two lines to allow running of pigs |
| 02/23/1994 | EP0583912A1 Equipment for the interconnection of two lines to allow running of pigs |
| 02/23/1994 | EP0583819A1 Device for closing the passage in a pipe |
| 02/22/1994 | US5288108 For sealing a leak in a bell joint |
| 02/22/1994 | US5287893 Head for replacing mains |
| 02/22/1994 | US5287892 Insulating plug |
| 02/22/1994 | US5287891 Flow limiter |
| 02/22/1994 | US5287613 Method of manufacturing an annular slit restrictor using a shrink fit operation |
| 02/22/1994 | CA1327194C Vehicule exhaust hanger with spaced bearings and compound resilience |
| 02/17/1994 | WO1994003752A1 Connecting device for pipe assemblies |
| 02/17/1994 | WO1994003750A1 A method for fastening a pipe in a vertical position to a wall |
| 02/17/1994 | CA2142107A1 Connecting device for pipe assemblies |
| 02/16/1994 | EP0583216A1 An apparatus for controlling the flow of fluid through a flexible wall tube |
| 02/16/1994 | CN1082162A Explosion-suppressing method and apparatus for pressure cylinder by attaching plates to and winding wire around it |
| 02/16/1994 | CN1082135A Method of repairing buried sewage pipes |
| 02/16/1994 | CN1023846C Sealing-plugs for tubes of steam generation |
| 02/15/1994 | US5286064 Sealing plate for a pipe coupling |
| 02/15/1994 | US5286040 Asymmetrical pipe seal and closure member |
| 02/15/1994 | US5285817 Remote-controlled insertion of sheathing in inaccessible manifolds and junctions |
| 02/15/1994 | US5285807 Coupling system |
| 02/15/1994 | US5285806 Method and apparatus for temporarily sealing off pipelines |
| 02/15/1994 | US5285741 Method of producing a flexible tubular lining |
| 02/15/1994 | US5285556 Integral polymeric clamp |
| 02/12/1994 | CA2086805A1 Tubing pinch valve device |
| 02/10/1994 | DE4226021A1 Ships noise damping appts. partic. for warship - has fluid conducting tube coated with single or multiple layer damping to absorb noise |
| 02/09/1994 | EP0582354A1 A method for fastening a pipe in a vertical position to a wall |
| 02/08/1994 | US5284096 Vehicle for use in pipes |
| 02/08/1994 | CA1326895C Boring apparatus |
| 02/02/1994 | EP0581379A1 Union for flexible pipes with automatic closure and separation in the event of strong tensile stress |
| 02/02/1994 | EP0581348A1 Pipelines |
| 02/02/1994 | EP0580720A1 Assembly of mouthpiece, stopper and lock for shutting off a pipe mouth. |
| 02/02/1994 | CN1081507A Detection of gas gap between stator and rotator of motor |
| 02/01/1994 | US5283398 For an internal combustion engine |
| 02/01/1994 | US5282494 Replacement main having nozzle and vanes |
| 02/01/1994 | CA1326600C Method of pipe replacement |
| 01/29/1994 | CA2074741A1 Method of repairing buried sewage pipes |
| 01/27/1994 | DE4324500A1 Wireless micromachine for in situ inspection of conduit inner walls - has energy conversion devices for converting different forms of energy e.g. radiation, microwaves into electrical energy |
| 01/27/1994 | DE4224419A1 Pipe seal for testing water-tightness of drinking water or waste pipes - has sealing unit containing two for more membranes which contact pipe wall when under pressure |
| 01/26/1994 | EP0579660A1 Plumbling apparatus |
| 01/25/1994 | US5280970 Pipe coupling |
| 01/25/1994 | US5280811 Method for rehabilitating a pipe conduit |
| 01/25/1994 | US5280670 Apparatus for repairing a transport pipe |
| 01/20/1994 | DE4243213C1 Fixing sealing socket in tube - using several rings made of shape memory alloy which can only bridge over reduced gap width |
| 01/19/1994 | EP0579249A2 Process for repairing plastic coatings on metal pipes |
| 01/19/1994 | CN2153698Y Automatic dirt removing type filter for pipeline |
| 01/18/1994 | US5279251 Bidirectional pipeline pig signaling device |
| 01/18/1994 | CA1326129C Method of renovating and/or protecting sewers and pipes |
| 01/18/1994 | CA1326128C Method of apparatus for expanding and sealing a sleeve into a surrounding tube |
| 01/15/1994 | CA2073844A1 Sump valve |
| 01/13/1994 | DE4239915C1 Testing device for hollow pipe line or conduit - has flexible sections joined by rigid intermediate pieces coupled via individually operated stiffening element |
| 01/13/1994 | DE4221141A1 Self propelled vehicle for pipe inspection - has elastic pads with curved outer surface for vehicle tracks |
| 01/13/1994 | DE4221140A1 Tracked vehicle for pipeline inspection - has lateral stops between tracks to prevent vehicle tipping in pipe bends |
| 01/12/1994 | EP0578270A1 Enhancing pipes |
| 01/12/1994 | EP0420949B1 Skid-controlled brake installation, in particular one for motor vehicles |
| 01/11/1994 | US5277397 Bladder assembly for control of fluid flow and method of its fabrication |
| 01/11/1994 | US5277248 Ball valve type injector and catcher apparatus with adjustable flow control for catching and retrieving paraffin cutting balls |
| 01/06/1994 | WO1994000738A1 Inspection of a dynamo-electric machine in a gap between a stator and a rotor |