| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 07/31/2002 | CN1361849A A fluid control double position valve for purging |
| 07/31/2002 | CA2683355A1 Robotic apparatus and method for treatment of conduits |
| 07/25/2002 | WO2002057727A2 Tear-out rubber coupling |
| 07/25/2002 | US20020096880 Single-pipe connector piece |
| 07/25/2002 | US20020096225 Double-pipe-structure hollow member, method of manufacturing double-pipe-structure hollow member, and fluid treating system employing double-pipe-structure hollow member |
| 07/25/2002 | US20020096209 Rapid evacuation and charging system, and apparatus and methods relating thereto |
| 07/25/2002 | DE10138672C1 Travel wagon, for egg-shaped conduit, has support structure formed from releasably coupled modules with drive transfer devices for coupling drive unit to driven wheels |
| 07/24/2002 | EP0961682B1 Method and apparatus for installing a liner in a pipeline |
| 07/24/2002 | EP0912318B1 Method for making a product to be extruded, and an extruder |
| 07/24/2002 | CN2502111Y Leaking stoppage pincers for pipeline |
| 07/24/2002 | CN2502110Y Gas source cut-off device for polyvinyl gas pipe network |
| 07/24/2002 | CN1360669A Fluid control valve for pig |
| 07/23/2002 | US6422529 Roller clamps for intravenous administration sets |
| 07/23/2002 | US6422260 Trap primer |
| 07/18/2002 | WO2002055915A2 Lining of pipes |
| 07/18/2002 | WO2002035129A3 Fabric flow restriction and method for restricting a fabric duct |
| 07/18/2002 | WO2002029207B1 Method and system for tubing a borehole in single diameter |
| 07/18/2002 | US20020094242 Inflatable underground structure liner |
| 07/18/2002 | US20020093192 Fluid delivery systems and methods and assemblies for making connections |
| 07/18/2002 | US20020092577 Pipe insulation jacket |
| 07/18/2002 | DE10101876A1 Camera trolley with satellite camera e.g. for inspecting house connections and ducts, includes connection line between trolley and satellite camera for transmitting positional signal |
| 07/18/2002 | CA2434008A1 Lining of pipes |
| 07/17/2002 | EP1223572A2 Active noise control system |
| 07/17/2002 | EP1222423A1 Shear valve |
| 07/17/2002 | EP1222422A1 Device for reducing structure-borne noises in conduits |
| 07/17/2002 | EP1112168B1 Method of lining pipes |
| 07/17/2002 | CN2500891Y Device for quickly covering leak in pipe |
| 07/17/2002 | CN2500890Y Pipeline oil-gas isolator |
| 07/17/2002 | CN1359326A Two-way distributor for high viscous fluids |
| 07/17/2002 | CN1358952A Shape memory composition patch device for pipe connection |
| 07/17/2002 | CN1358951A Pipe end blocking tool |
| 07/17/2002 | CN1087685C Method and apparatus for manufacturing an extruded plastic product |
| 07/16/2002 | US6418969 In-line thermal expansion tank |
| 07/16/2002 | US6418591 Tightening strip with tension locking system |
| 07/11/2002 | US20020088499 Tear-out coupling |
| 07/11/2002 | DE10061188A1 Pulsationsdämpfer Pulsation damper |
| 07/11/2002 | DE10060770C1 Pipe clamp has main body with band, end connecting flanges, tensioning screw, sound-proofing layer and spacer piece |
| 07/10/2002 | EP0907856A4 Energy attenuation device for a fluid-conveying line |
| 07/10/2002 | CN2499673Y Mechanical quick leakage blocking device |
| 07/09/2002 | US6416692 Sewer system pipe repairs |
| 07/09/2002 | US6415824 Method and composition for grouting water-flooded conduits |
| 07/09/2002 | US6415810 Water hammering prevention device |
| 07/09/2002 | US6415722 Remote-controlled vehicle for operations inside pipelines |
| 07/04/2002 | US20020084590 Device and method for ducts sealing |
| 07/04/2002 | US20020083990 Method and apparatus for repairing a pipeline |
| 07/04/2002 | US20020083989 Pipe sealing apparatus |
| 07/04/2002 | US20020083988 Pipe sealing apparatus |
| 07/04/2002 | US20020083978 Safety restraint assembly for high pressure flow line |
| 07/04/2002 | DE10135826A1 Blanking plug for closing a pipe, especially a water or gas pipe, comprises a connection for an assembly tool with a cross-section corresponding to the inner cross-section of an assembly tool receiving head |
| 07/04/2002 | DE10064444A1 Pipe refurbishment comprises resinating a tube and then appyling the tube to the inside of the pipe using a turning unit and a pressurising medium |
| 07/04/2002 | DE10063517A1 Pipe cap comprises tubular sleeve with self-tapping thread on its outer surface and hexagonal head, O-ring being fitted into peripheral groove at front end of sleeve |
| 07/03/2002 | EP1218661A1 Method and apparatus for blocking pipes |
| 07/03/2002 | EP1218142A1 Apparatus for manufacturing drainage line units and associated methods |
| 07/03/2002 | EP1060339B1 Internal pipe pulling device |
| 07/02/2002 | US6412509 Passive surge control method for compression systems and relative device |
| 07/02/2002 | US6412484 Fluid control valve for pressure vessel |
| 07/02/2002 | US6412157 Device for displacing tubular elements relative to one another |
| 07/02/2002 | US6412135 Exchanger of wall clearing shuttles |
| 06/27/2002 | WO2002050470A2 Lined pipe wherein the liner comprises a one-way valve |
| 06/27/2002 | WO2002050420A1 Device for soundproofing a gas stream |
| 06/27/2002 | WO2002049913A1 Flow limiting apparatus |
| 06/27/2002 | US20020081156 Tool for replacement of underground plastic pipe |
| 06/27/2002 | US20020081154 Underground pipe bursting head |
| 06/27/2002 | US20020080978 Active noise control system |
| 06/27/2002 | US20020080234 Device and method for inspecting hollow spaces |
| 06/27/2002 | US20020079652 Drain Gasket |
| 06/27/2002 | US20020079107 Subsurface apparatus |
| 06/27/2002 | US20020079009 End cap for a corrugated conduit |
| 06/27/2002 | DE10124507A1 Packer for covering the transition region between a main waste water pipe and a connecting house pipe opening into the main pipe comprises a supporting pipe with an extending casing made from elastic material arranged around its periphery |
| 06/27/2002 | DE10061832A1 Stopfen zur innenseitigen Rohrabdichtung Plug the inside tube sealing |
| 06/27/2002 | CA2432002A1 Lined pipe wherein the liner comprises a one-way valve |
| 06/26/2002 | EP1217489A1 Fluid pressure reducing system with splitable modules |
| 06/26/2002 | EP1217288A1 Device and method for ducts sealing |
| 06/26/2002 | EP1216379A2 Conduit traversing vehicle |
| 06/26/2002 | EP0921921B1 Method for heating and/or cross-linking of polymers and apparatus therefor |
| 06/26/2002 | CN2497142Y Air-release valve silence for petroleum drilling |
| 06/26/2002 | CN1086784C Expandable pin plug for automated use |
| 06/25/2002 | US6409843 Method of injecting pigs into a pipe |
| 06/25/2002 | US6408944 Apparatus and method to shut down a pipeline |
| 06/25/2002 | US6408887 Dual size plumbing end cap |
| 06/25/2002 | US6408638 Pipe freezer with quick connect evaporator heads |
| 06/20/2002 | WO2002048594A1 Method and device for lining construction in sewer followed by simultaneous filling of back-fill material |
| 06/20/2002 | WO2000006932A3 Method for redeveloping or renovating sewer drains and sewer ducts |
| 06/20/2002 | EP1144895A3 Method for redeveloping or renovating sewer drains and sewer ducts |
| 06/20/2002 | DE10154588A1 Hydraulic system with throttle valve has throttle valve in two parts, namely valve cavity and throttle element with throttle aperture |
| 06/20/2002 | DE10062597A1 Method for reducing the friction between the outer surface of a pipe wall and the surrounding ground involves separation of the pipe wall in axial direction, and rotation of the separation tool |
| 06/19/2002 | EP1215436A2 Pipeline pig |
| 06/19/2002 | EP1215435A1 Pipe plug |
| 06/19/2002 | EP1062453B1 Connection for connecting a measuring device to a gas unit |
| 06/19/2002 | CN2495885Y Internal expanding ring for blocking leakage of large sized pipeline |
| 06/18/2002 | US6406005 Diffuser for aerating a fluid |
| 06/18/2002 | US6405845 Hydraulic damper |
| 06/18/2002 | US6405760 Accumulator |
| 06/18/2002 | US6405671 Method of indicating a helix pitch of a repair substrate wrapped about a cylindrical structure |
| 06/13/2002 | WO2002046657A1 Pulsation damper |
| 06/13/2002 | WO2002046585A2 Fluid stream pulse damper |
| 06/13/2002 | WO2002018834A3 A liner for reinforcing a pipe and method of making the same |
| 06/13/2002 | WO2001094826A3 Novel textile reinforced thermoplastic or thermoset pipes and methods of making thereof |
| 06/13/2002 | US20020071723 Inflatable underground structure liner |
| 06/13/2002 | US20020070316 Extruded acoustic pipe support |