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