| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 03/17/1998 | CA2214236A1 Process and device for the production of a tube for lining pipe conduits and sewer systems |
| 03/13/1998 | CA2214175A1 Drilling apparatus and drilling method for renovating underground pipes |
| 03/12/1998 | WO1998010215A1 Improvements in or relating to liner pipes |
| 03/12/1998 | WO1998010148A1 Underground pipe repair |
| 03/12/1998 | WO1998009797A1 Method and apparatus for lining a conduit |
| 03/12/1998 | DE19634909A1 Assembly for rapid repair of sewage pipes eliminating finishing |
| 03/11/1998 | EP0827583A1 Self-centering suspension for in-pipe use |
| 03/11/1998 | EP0827582A1 Method of installing pipes |
| 03/11/1998 | EP0797519A4 Attenuators for anti-lock brake system |
| 03/10/1998 | US5725328 System and process for relining sewerage pipe sections |
| 03/10/1998 | US5725026 Conduit lining system and method of lining a conduit |
| 03/10/1998 | US5725009 Fitting removal fluid discharge bag |
| 03/05/1998 | WO1998009108A1 Noise suppressor for hydraulic systems |
| 03/05/1998 | DE19635803A1 Method for channel sealing of effluent channels in house water effluent systems |
| 03/05/1998 | DE19635802A1 Drainage pipe sealing method in domestic sewage system |
| 03/05/1998 | DE19635799A1 Noise-damping hose, especially for air-suction system of internal combustion engine |
| 03/04/1998 | EP0826817A1 Bandlike coating for sealingly coating constructions, applications thereof, method for coating constructions, as well as coated constructions |
| 03/04/1998 | EP0825921A1 Methods of manufacturing tubular structures and tubular structures manufactured by the methods |
| 03/04/1998 | CN1175225A Surfacting or rehabilitating structures without supporting forms |
| 03/04/1998 | CN1174955A Sealing method for treating leakage of underground gas pipeline |
| 03/04/1998 | CN1037629C Valve with segmented seal retainer ring |
| 03/03/1998 | US5723828 Hollow plastic product having a sound attenuator |
| 03/03/1998 | US5722644 Pre-shaped vibration-damping member for deformed portion |
| 03/03/1998 | US5722463 External pipe reinforcing sleeve |
| 03/03/1998 | US5722451 Device for bleeding or draining a duct |
| 03/03/1998 | US5722358 For an intake manifold of an internal combustion engine |
| 02/26/1998 | WO1998008019A1 Method for the renovation of pipelines |
| 02/26/1998 | DE19654618C1 Noise insulator for gas pipe system |
| 02/26/1998 | DE19633932A1 Renovating method for use with buried pipe conduit |
| 02/26/1998 | DE19633798A1 Bleed valve for pipe or vessel has two cylinders and pistons along same axis |
| 02/25/1998 | EP0825380A2 Pig for pipeline system |
| 02/25/1998 | EP0825347A1 Damping device for the hydraulic drive system of a punching machine |
| 02/25/1998 | EP0797744A4 Power steering attenuation hose construction and method of making the same |
| 02/25/1998 | CN2275179Y Hand operated pipe dredger |
| 02/25/1998 | CN1174533A Method and apparatus for sealing leaks |
| 02/24/1998 | CA2131092C Pipe seal |
| 02/19/1998 | WO1998006927A1 Traction apparatus |
| 02/18/1998 | EP0823966A1 Apparatus and method for inserting a sensor into a pipeline |
| 02/17/1998 | US5718488 Damper for damping fluid oscillations in a hydraulic, slip-controlled motor vehicle brake system |
| 02/17/1998 | US5718460 Flange-less flow reducer for joining fluid-flow components |
| 02/17/1998 | US5718095 Method and device for attenuating vibration |
| 02/17/1998 | CA2112147C Ping-free water hammer arrester |
| 02/12/1998 | WO1998005899A1 Sealing a clearance between a host pipe and a liner pipe |
| 02/12/1998 | WO1998005872A1 Flow system for pipes, pipe fittings, ducts and ducting elements |
| 02/12/1998 | DE19633347A1 Soundness testing and renovation device for channel pipes, especially for house connection |
| 02/12/1998 | CA2261728A1 Sealing a clearance between a host pipe and a liner pipe |
| 02/11/1998 | EP0823579A1 Device for lining a branch pipe, method of lining and liner |
| 02/10/1998 | US5716672 Methods of lining the internal surface of a pipe |
| 02/05/1998 | WO1998004858A2 Full flow winding machine |
| 02/05/1998 | DE19730672A1 Connector between fluid pipe and suction pump, for fuel distribution in vehicles |
| 02/05/1998 | DE19631282A1 Gas pipe junction box fabricated from ribbed sheet steel |
| 02/05/1998 | DE19630866A1 Arrangement of non-return valve in gas pipe of internal combustion engines |
| 02/05/1998 | DE19630709A1 Inspection and leakage testing and possibly of rehabilitation of sewer pipes and side ducts |
| 02/03/1998 | US5713412 Apparatus for attenuating vibration of a tubular member |
| 01/29/1998 | WO1998003274A1 Pipe cleaning apparatus for oil or gas pipelines |
| 01/28/1998 | CN2273365Y Shape memory hold-down gag using for repairing pipe |
| 01/28/1998 | CN1171529A Silencer |
| 01/27/1998 | US5711639 Clamp for cylindrical object |
| 01/27/1998 | US5711636 System for lining a pipe |
| 01/22/1998 | WO1998002293A1 Lining a pipe |
| 01/21/1998 | EP0819480A1 Cleaning apparatus for oil or gas pipelines |
| 01/21/1998 | EP0819231A1 Branched sewer re-lining |
| 01/21/1998 | EP0819230A1 Installing a pipe in an existing pipeline |
| 01/21/1998 | EP0757652B1 Closure unit for a tubular article |
| 01/21/1998 | EP0579660B1 Plumbling apparatus |
| 01/20/1998 | US5709504 Pipe rehabilitation pulling mandrel |
| 01/20/1998 | US5709503 Method and apparatus for restoring a pipe or tunnel |
| 01/20/1998 | US5709248 Internal accumulator for hydraulic systems |
| 01/15/1998 | DE19632955C1 Method for renovating pipe conduits, e.g.sanitary installations, sewage pipes, air-conditioning plants |
| 01/15/1998 | DE19624462A1 Freezing appliance for liquid filled pipes, with contact body and expansion chamber for evaporating refrigerant |
| 01/14/1998 | EP0817937A1 Internal pipe manipulator |
| 01/14/1998 | EP0817936A1 Process and device for pulling a pipe laid or to be laid in the ground |
| 01/14/1998 | EP0817934A1 Housing for a gas valve or the like and method for connecting two house portions together |
| 01/14/1998 | EP0817931A1 A gas valve and a method for delivering a gas pulse |
| 01/14/1998 | EP0817658A1 Connector assembly |
| 01/13/1998 | US5707152 Method for using reusable pipe union and pipe cap assembly for wide thermal cycling |
| 01/13/1998 | US5706862 For repairing a leak in a pipe |
| 01/13/1998 | US5706861 Rehabilitation of pipelines and passageways with a flexible liner using an inflatible bladder |
| 01/08/1998 | WO1998000664A1 Energy attenuation device for a fluid-conveying line |
| 01/08/1998 | WO1998000661A1 Resilient supports |
| 01/08/1998 | CA2576977A1 Energy attenuation device for a fluid-conveying line |
| 01/07/1998 | EP0817166A1 Noise control device |
| 01/07/1998 | EP0817165A1 Noise control device |
| 01/07/1998 | EP0816742A1 Method and apparatus for reconstructing corroded pipes |
| 01/07/1998 | EP0815379A1 Improvements relating to lining materials containing curable resins |
| 01/07/1998 | EP0797499A4 Surfacing or rehabilitating structures without supporting forms |
| 01/06/1998 | US5704659 Device for locking fitting components |
| 01/06/1998 | CA2049906C Coupling device for pipeline heating system |
| 01/02/1998 | DE19726331A1 Clamp for use with pipes |
| 01/02/1998 | DE19718663A1 Slide type gate-valve for pipes carrying fluid, gaseous, granulate and powder materials |
| 01/02/1998 | DE19718662A1 Slide component for installation in pipe conduits |
| 01/02/1998 | DE19710566A1 Freezing appliance for liquid filled pipes, with contact body and expansion chamber for evaporating refrigerant |
| 01/02/1998 | DE19625259A1 Method of cleaning corrosion damage e.g from light beacons, telephone towers and power line masts for electric vehicles |
| 12/31/1997 | WO1997049947A1 Piping milling robotic device |
| 12/31/1997 | WO1997049946A1 Pipe liner |
| 12/31/1997 | CA2257723A1 Pipe liner |
| 12/30/1997 | US5703337 In gas exhaust streams |
| 12/29/1997 | EP0814296A2 Freezing device for pipes filled with fluid |
| 12/29/1997 | EP0813666A1 Hat-shaped connection sleeve for house service connections in sewer pipes |
| 12/24/1997 | WO1997040658A3 Extrusion method, extruder and extruded product |