| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 05/22/1998 | WO1998021151A1 A diffuser for aerating a fluid |
| 05/21/1998 | CA2221657A1 Pipe liner bag and manufacturing method therefor |
| 05/21/1998 | CA2221595A1 Method of manufacturing a pipe liner bag |
| 05/20/1998 | EP0842839A2 Dmper valve arrangement. |
| 05/20/1998 | EP0842348A1 Inflatable tubular sleeve for tubing or obturating a well or a pipe |
| 05/20/1998 | DE19649522A1 Sound damping insert for water pipework |
| 05/19/1998 | US5752786 Method for relining a branch conduit of a main conduit |
| 05/19/1998 | US5752690 Threaded coupling and pig injector valve |
| 05/19/1998 | US5752548 Coupling for drainage pipings |
| 05/14/1998 | DE19646080A1 Felt hose pipe insert |
| 05/13/1998 | EP0841514A1 Plag-type connector |
| 05/13/1998 | EP0840869A1 Pipeline vehicle |
| 05/12/1998 | US5749397 Pipe tractor |
| 05/12/1998 | US5749396 Pressurized fluid supply hose and method of manufacturing the same |
| 05/12/1998 | CA2218577A1 Portable exterior faucet assembly |
| 05/08/1998 | CA2190025A1 Apparatus for stabilizing pressure of a fluid flowing through a pipe |
| 05/07/1998 | WO1998019098A1 Renovation apparatus for pipes |
| 05/07/1998 | DE19645346A1 Plastics sleeve for protecting buried pipeline |
| 05/06/1998 | EP0840052A1 Pipe for draining condensate from an air conditioner |
| 05/06/1998 | EP0839680A1 Automobile exhaust system suspension |
| 05/06/1998 | EP0839297A1 Method for replacing buried pipe |
| 05/06/1998 | EP0760717B1 Movable device for servicing small diameter pipes |
| 05/06/1998 | EP0738209B1 Adjustable throttle with flat channel cross-section |
| 05/06/1998 | EP0672229B1 Lining tube for laterals and method of lining laterals |
| 05/06/1998 | CN1180980A Noise canceling system |
| 05/06/1998 | CN1180800A Self-tuning type vibration damping apparatus |
| 04/30/1998 | WO1998017939A1 Automotive device for travelling in the interior of pipes or channels |
| 04/30/1998 | WO1998017938A1 Piece of piping through which waste gas flows of a system of pipes carrying waste gases, and this system of pipes |
| 04/30/1998 | DE19644466A1 Sanierungsgerät Rehabilitation unit |
| 04/30/1998 | CA2269714A1 Piece of piping through which waste gas flows of a system of pipes carrying waste gases, and this system of pipes |
| 04/29/1998 | EP0838556A1 Self-tuning type vibration damping apparatus |
| 04/29/1998 | EP0838008A1 Process and device for refurbishing drains |
| 04/29/1998 | EP0837804A1 Oscillation damper for damping fluid oscillation in a hydraulic anti-slip control braking system in motor vehicles |
| 04/29/1998 | CN2280199Y Clip for covering leaks for pipeline |
| 04/28/1998 | US5745232 Apparatus for inspecting deformation of pipe |
| 04/28/1998 | US5743299 Dual containment pipe rehabilitation system and method of installation |
| 04/28/1998 | US5743298 Gas or liquid pulsation dampening system |
| 04/23/1998 | DE19642792A1 Hydraulic vehicle brake fluid pressure damper |
| 04/23/1998 | DE19640697A1 Device for transport and manipulation of tool implement within drain pipe of channel network |
| 04/22/1998 | EP0837452A2 Noise cancelling system |
| 04/22/1998 | EP0837279A1 Pulsation damper |
| 04/22/1998 | EP0836694A1 Movable robot for internal inspection of pipes |
| 04/22/1998 | EP0776462B1 Device for carrying equipment through a conduit and method for use of the device |
| 04/22/1998 | EP0617777B1 Stopper kit |
| 04/22/1998 | CN2279506Y Compression leaking stoppage device |
| 04/21/1998 | US5741014 Duct sealing |
| 04/21/1998 | US5740838 Methods of lining the internal surface of a pipe |
| 04/21/1998 | US5740829 In a pipeline |
| 04/16/1998 | WO1998015482A1 Arrangement for conveying thick matter |
| 04/16/1998 | DE19642434A1 Automotive peak pressure dampener for pneumatic pressure control |
| 04/16/1998 | DE19641926A1 Repair tool for esp. steel gas pipe |
| 04/16/1998 | DE19641174A1 Anordnung zur Weitförderung von Dickstoffen Arrangement for long-distance pumping of thick materials |
| 04/16/1998 | DE19640698A1 Seal for repairing drain water pipe |
| 04/15/1998 | EP0835405A1 A device for applying an internal coating in tubes |
| 04/15/1998 | EP0835177A1 Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus |
| 04/15/1998 | CN2278835Y Throttling set |
| 04/15/1998 | CN2278834Y Underground pipeline warning net |
| 04/14/1998 | US5738388 Device for permanent joining of tubes |
| 04/14/1998 | US5738359 Expandable band and locking mechanism for installing a flexible sealing element |
| 04/14/1998 | US5738357 For use in replacing an existing fluid-carrying pipe with a replacement |
| 04/14/1998 | US5738285 Secondary seal for the pneumatic discharge nozzle of a covered hopper car |
| 04/14/1998 | US5738146 Method for rehabilitation of underground piping |
| 04/14/1998 | CA2006117C Apparatus and equipment for use in lining pipeline having branched portions |
| 04/10/1998 | CA2187580A1 Flexible sheet or tape for use in a method for repairing pipelines, or the like |
| 04/09/1998 | DE19700601A1 Fire-resistant ventilation pipeline end cover |
| 04/09/1998 | DE19641365A1 Repair device for house service connections, especially sewage pipes |
| 04/08/1998 | EP0834692A1 Treating agent for subsequent sealing of seals in gas pipes |
| 04/08/1998 | EP0834392A2 Method and apparatus for manufacturing a hose for lining of pipelines and channel systems |
| 04/08/1998 | EP0558472B1 Improvements in attenuators |
| 04/07/1998 | US5736821 Intrapipe work robot apparatus and method of measuring position of intrapipe work robot |
| 04/07/1998 | US5736736 Flexible guide assembly for facilitating placement of an elongate plastic insert within an existing pipe |
| 04/07/1998 | US5736166 Flow-through apparatus for lining of pipelines |
| 04/07/1998 | US5736077 Inserting into manhole a tubular liner with a curable resin, everting an inflatable plastic bag by charging water in it, closing open end of the bag to form closed space, supplying compressed air to closed space, curing the resin |
| 04/07/1998 | US5735955 Apparatus for generating and dispersing foam herbicide within a sewer |
| 04/07/1998 | US5735551 Pipe repair apparatus and method |
| 04/07/1998 | US5735314 With a traction control system for a motor vehicle |
| 04/07/1998 | US5735313 Noise suppressor |
| 04/07/1998 | US5735227 In a wall |
| 04/01/1998 | EP0833096A2 In-pipe work apparatus |
| 04/01/1998 | EP0833036A2 Thermosettable composition, its use and a flexible deployable preform containing this composition |
| 04/01/1998 | EP0832390A1 Improvements relating to the lining of pipelines and passageways |
| 03/31/1998 | US5732743 Method of sealing pipes |
| 03/31/1998 | US5732741 Noise suppressor |
| 03/31/1998 | US5732740 In a hydraulic fluid line |
| 03/31/1998 | US5732728 Valve insertion method and assembly for inserting a valve in a line |
| 03/26/1998 | WO1998012465A1 Coating for the internal surface of a pipe, method for applying the same on said surface, two-layered semi-finished part using said coating and method for making this part |
| 03/26/1998 | WO1998012454A2 Tuned mass damper |
| 03/26/1998 | DE19741665A1 Slit sleeve for patching pipe or channels |
| 03/26/1998 | DE19638778A1 Method and device to shut=off pipeline |
| 03/25/1998 | CN1177396A Housing for a gas valve or the like and method for connecting two house portions together |
| 03/24/1998 | US5731557 Fluid guiding element for blocking and damping noise propagating in main passages |
| 03/24/1998 | US5731359 Foamed thermoplastic resin |
| 03/19/1998 | WO1998011374A1 Material and method for lining pipes |
| 03/19/1998 | DE19637240A1 Pressurised gas and water pipe shutoff seal |
| 03/18/1998 | CN2276595Y Pipeline dredger |
| 03/18/1998 | CN1176686A A gas valve and a method for delivering a gas pulse |
| 03/17/1998 | US5728981 Power steering attenuation hose construction and method of making the same |
| 03/17/1998 | US5727904 System for testing a pipe |
| 03/17/1998 | US5727597 Point repair system for conduits |
| 03/17/1998 | US5727592 Pipe connector |