Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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06/29/1999 | US5915419 Cured in place lateral seal for relining of pipelines and method of manufacture |
06/29/1999 | US5915418 Rubber cap |
06/29/1999 | US5915405 Two-way diverter check valve |
06/24/1999 | WO1999031418A1 Valve and piping therefor |
06/24/1999 | DE19755860A1 Method of relining pipelines of sewerage system |
06/23/1999 | EP0924052A2 Method and apparatus for lining tubular articles and lined tubular assembly |
06/23/1999 | CN2325616Y Plug for sealing holes of pipeline |
06/23/1999 | CN1043813C Pipe coupling for repair |
06/22/1999 | US5913977 Sealing by spraying with nonexplosive compound |
06/22/1999 | US5913637 Automatic pipeline pig launching system |
06/22/1999 | US5913335 Dissipating static electrical charges using mixture of propylene glycol and water |
06/16/1999 | EP0922899A2 Method of repairing an existing pipeline including a primary pipe and a branch pipe |
06/16/1999 | EP0922751A1 Process for retarding the growth and/or the agglomeration of hydrates in a production effluent |
06/16/1999 | EP0592693B1 Noise control device |
06/16/1999 | CN2324370Y Leaking stoppage device for pipeline with pressure |
06/16/1999 | CN1220024A Multi-layer reinforced and stabilized cable construction |
06/15/1999 | US5911404 Automatic fluid stopper and fluid stopper mounting spanner |
06/15/1999 | US5911246 Pressure-expandable conduit liner |
06/15/1999 | CA2196965C Automatic pipeline pig launching system |
06/10/1999 | WO1999028668A1 System for the formed-in-situ localised repair of pipes and conduits |
06/10/1999 | WO1999004188A3 Plugging rubber-cord device for closing ducts |
06/10/1999 | DE19753826A1 Split lining system pipe splitting machine |
06/09/1999 | EP0921049A2 Pulsation damper for damping liquid pulsations in hydraulic systems |
06/09/1999 | EP0668977B1 Soil displacement hammer for replacing underground pipes |
06/09/1999 | EP0668976B1 Connector assembly |
06/09/1999 | CN2323232Y Device for lining used pipe by turning used liner inside out |
06/08/1999 | US5911155 Method of monitoring the integrity of a double wall pipe system |
06/08/1999 | CA2008866C Thermally-sensitive coupling device |
06/03/1999 | WO1999027292A1 Energy attenuation device for a conduit conveying liquid under pressure |
06/02/1999 | EP0919762A1 A method of lining a host pipe or conduit |
06/02/1999 | EP0918969A1 Noise suppressor for hydraulic systems |
06/02/1999 | EP0918574A1 Pipe cleaning apparatus for oil or gas pipelines |
06/02/1999 | EP0758437B1 In situ method of renewing pipes laid in the ground |
06/02/1999 | DE19750102A1 Gasdurchströmte Leitung mit Schallabsorptionswirkung A gas-flow line with sound absorption effect |
06/02/1999 | CN2322021Y Pipeline leakage repairing device without stopping transferring |
06/02/1999 | CN2322020Y Flow divider for pipeline rush-repair |
06/01/1999 | US5908211 Flexible pipe joint seal |
06/01/1999 | US5908187 Connector system for mounting an exhaust pipe to a truck cab |
05/26/1999 | EP0817934B1 Housing for a gas valve or the like and method for connecting two house portions together |
05/26/1999 | CN2320876Y Tube pore locking device |
05/26/1999 | CN2320875Y Pipe gas leakage protecting valve |
05/25/1999 | US5906789 Method of everting a pipe liner bag into a pipeline |
05/25/1999 | US5906402 For a fluid conduit |
05/25/1999 | US5906357 For threading wires and cables |
05/25/1999 | CA2164011C External pipe reinforcing sleeve |
05/20/1999 | WO1999024708A1 Cross-flown gas line with a sound absorbent effect |
05/20/1999 | DE19751198A1 Shutoff valve for pressurized water or gas pipe |
05/19/1999 | EP0916906A2 A sound absorber for ventilation ducts |
05/19/1999 | EP0916058A1 Sealing a clearance between a host pipe and a liner pipe |
05/19/1999 | EP0639252B1 Closure for closing a pressurized medium flow channel in a pipe system under pressure |
05/18/1999 | US5904377 For installation in an aperture in a wall of a fluid container |
05/18/1999 | US5904181 Pulsation dampening device |
05/18/1999 | CA2200263C Pipe freezing apparatus |
05/14/1999 | WO1999023411A1 Fabric reinforced pipe |
05/14/1999 | WO1999023409A1 A protective cap for a coupling part of a quick coupling |
05/12/1999 | DE19753909A1 Hydraulic damper for vehicle |
05/12/1999 | DE19749280A1 Safety valve for pipeline |
05/12/1999 | CN1216349A Pipe and port plugging method and special plugging part |
05/11/1999 | US5901752 Inflatable apparatus for sealing a pipeline |
05/11/1999 | CA2070375C Apparatus for everting a tube and method of using same |
05/06/1999 | EP0913238A1 Method for producing a polyurethane pipe inside a concrete pipe, and composite product thus obtained |
05/06/1999 | EP0912321A1 Lining a pipe |
05/06/1999 | EP0912318A1 Method for making a product to be extruded, and an extruder |
05/06/1999 | EP0912316A2 A method and an apparatus for manufacturing an extruded plastic product, and a plastic product |
05/06/1999 | EP0882192A4 Valve insertion method and assembly for inserting a valve in a line |
05/05/1999 | CN2317384Y Quick-acting leak-proof clamp for pipeline |
05/05/1999 | CA2220207A1 Rehabilitation pipe section, pipe joint and method for rehabilating an underground pipe |
05/04/1999 | US5899796 Rotary grinder assembly and a cutter robot |
05/04/1999 | US5899636 Reversible lining tube for repairing an existing pipeline |
05/04/1999 | US5899234 Test closure plug for the trap bushing of a conventional T-fitting |
04/29/1999 | DE19746510A1 Pipeline pig with collapsible spider legs for e.g. deep sub-sea pigging lock aided by divers |
04/28/1999 | EP0911569A2 Device for repairing pipes |
04/28/1999 | EP0911568A2 A branch pipe lining assembly and a pipe lining method |
04/28/1999 | EP0911567A1 Pulsation damper |
04/28/1999 | EP0911513A1 Cylinder injection high-pressure fuel pump |
04/28/1999 | EP0910770A1 Pipe shut-off device |
04/28/1999 | EP0910769A1 Motor vehicle clutch pedal vibration absorber |
04/28/1999 | EP0825921B1 Methods of manufacturing tubular structures and tubular structures manufactured by the methods |
04/28/1999 | EP0730537B1 Anti-lock brake system noise attenuator |
04/28/1999 | EP0694141B1 Fuel dispensing hose breakaway assembly |
04/28/1999 | CN1215366A Method and apparatus for manufacturing an extruded plastic product, and a plastic product |
04/28/1999 | CN1215364A Method and apparatus for prepairing an extrudable product, and an extruded product |
04/28/1999 | CN1043168C Method for repairing pipe |
04/27/1999 | CA2085440C Flow system disconnect and method |
04/22/1999 | WO1999019659A1 Multi-layered renovative pipeliner |
04/22/1999 | WO1999019260A1 Method and apparatus for reduction of flow resistance in pipes and ducts |
04/22/1999 | WO1999019133A1 Method of lining inner surface of conduit |
04/22/1999 | DE19745642A1 Refurbishment of encrusted pipelines for water supply, e.g. removal of lime scale |
04/22/1999 | DE19745497A1 Small bore pipe inspection pig has high ratio gear driving swivel arm |
04/22/1999 | CA2274766A1 Method of lining channels |
04/21/1999 | EP0909783A1 Reaction mixture for sealing pipe-joints, renovation and mixing chamber |
04/21/1999 | EP0909233A2 Extrusion method, extruder and extruded product |
04/21/1999 | CN2315415Y Portable hydraulic pipeline dredger |
04/21/1999 | CN2315414Y Plastic pipe fitting |
04/21/1999 | CN2315413Y Welding and correcting device for joint pipe flange |
04/20/1999 | US5895619 Method for casting a bidirectional foam pig |
04/20/1999 | US5895176 Device for connecting a pipeline conduit to a ground-boring machine |
04/20/1999 | US5894864 Repair or maintenance system for leaking pipes or pipe joints |
04/20/1999 | US5894863 Pipe plugging apparatus |
04/20/1999 | US5894862 Hydraulic damper |