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