Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
07/2000
07/11/2000US6085792 Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system
07/06/2000DE19952368A1 Repairing leaks in piping involves filling pipe with liquid containing monomers and/or dispersed colloids and then crosslinking leaking liquid so as to form plug
07/06/2000DE19920395C1 Equipment for widening earth holes and/or for destruction of pipe conduits laid in earth together with laying new pipe conduits
07/06/2000DE19911750C1 Deflection restrictor for damping or preventing movement of broken pipeline part e.g. in power station
07/06/2000DE19859229A1 Rohrmolch A pig
07/05/2000EP1015805A1 Method of rehabilitating an existing pipeline
07/05/2000EP1015222A1 Method and apparatus for preparing an extrudable product, and an extruded product
07/05/2000CN2386312Y Anti-theft plug for petroleum enterprise
07/05/2000CN2386296Y Hard polyvinyl chloride tubing for water drain-off
07/05/2000CN1054201C Device for carrying equipment through pipe and method for using the same
07/04/2000US6084402 Flexible probe for insertion into an auxiliary pipe extending from a main pipe
07/04/2000US6082639 Apparatus for increasing the density of blown insulation materials
07/04/2000US6082411 Apparatus and method for the robotic repairing of an underground pipe junction
07/04/2000US6082378 Method and apparatus for internal cleaning of pipes or tubes
07/04/2000US6082183 Test assembly for fluid tight integrity of pipeline joint
06/2000
06/29/2000WO2000038290A1 Conduit seal for hazardous environments
06/29/2000WO2000037845A1 Pipe robot
06/29/2000DE19861018A1 Gesteuerter akustischer Wellenleiter zur Schalldämpfung Controlled acoustic waveguide for sound attenuation
06/29/2000CA2352195A1 Conduit seal for use in hazardous environments
06/28/2000EP1014246A2 Pressure relief adapter
06/28/2000EP1012558A1 Pipe leak detection
06/28/2000EP1011881A1 An improved cup or disc for use as a part of a pipeline pig
06/28/2000EP1011879A1 Device for pipeline interior cleaning
06/28/2000EP0727018B1 Vehicle brake hose system with whip dampener
06/28/2000CN2385207Y Composite hose for repairing underground pipeline
06/28/2000CN2385206Y Built-up pipeline repairing device by lining-turnover method
06/28/2000CN2385205Y Composite hose forming device by turnover pipe-lining method
06/28/2000CN2385204Y Emergency leaking stoppage device
06/28/2000CN1053982C Sound absorption structure
06/27/2000US6079450 Metal diaphragm type pulsation absorber for high-pressure fuel pump
06/27/2000US6079449 System for delivering and maintaining the sterility and integrity of flowable materials
06/27/2000US6079074 Pipe pig injector
06/27/2000CA2053243C Apparatus for use in renovation of tube systems in particular sewer tube systems
06/22/2000WO2000036589A1 Controlled acoustic waveguide for soundproofing
06/22/2000WO2000006933A3 Enhancement of profiled tubular lining systems by channel augmentation
06/22/2000WO1999046062A3 A polyvinyl alcohol-containing pipeliner and method for use thereof
06/21/2000EP1010931A1 Detachable fastening of elements with rotational symmetry
06/21/2000EP1009909A1 Installing a scrolled resilient sheet alongside the inner surface of a fluid conduit
06/21/2000EP0865356B1 Improvements relating to the lining of pipelines and passageways
06/21/2000DE19850227C1 Schlauch zur Auskleidung von Rohrleitungen Hose for lining pipes
06/21/2000CN2384095Y Fast dirt remover
06/21/2000CN2384094Y Closed hinge type silencer
06/20/2000US6076561 Heat insulated hose
06/20/2000US6076559 Protective cover for plumbing fixtures
06/20/2000US6076557 Thin wall, high pressure, volume compensator
06/18/2000CA2292816A1 System for the permanent installation of sensors against the inner surface of a duct
06/16/2000CA2292292A1 Detachable connection of rotationally symmetrical components
06/15/2000WO2000034096A1 Vibration damper for damping fluid vibrations in a hydraulic system
06/15/2000DE19911442C1 Renovation method for underground pipe conduits containing light wave conductors uses inner liner material soaked with resin and provided with inner and outer foil
06/15/2000DE19856697A1 Schwingungsdämpfer zur Dämpfung von Flüssigkeits-Schwingungen in einem hydraulischen System Vibration damper for damping vibrations in a hydraulic fluid system
06/15/2000DE19856293A1 Trenchless renovation of domestic gas supply main using drawn-in tubing closed at one end, takes place through air lock using plug seal, sand-blasting and thermal adhesion techniques
06/15/2000DE19855175C1 Guide mechanism for high-pressure water jet for cleaning inside of pipeline has tripod arrangement of actuators mounted on pig inside pipe
06/14/2000EP1007878A1 Method and device for draining humidity from insulation
06/14/2000EP1007877A2 Full flow winding machine
06/14/2000EP1007854A1 Pulsation damper
06/14/2000EP1007330A1 Thermoplastic composite products and method of lining pipework
06/14/2000CN2382938Y Hollow screw double silencing pipe
06/14/2000CN2382937Y Pipeline blocking and repairing sleeve
06/14/2000CN2382936Y T model flexible pipe block of gas pipeline
06/13/2000US6075206 Conduit drain for use in non-hazardous locations
06/13/2000US6074208 Noise reduction in fluid flow passage
06/13/2000US6073777 Sand resistant fluid swivel
06/13/2000US6073657 Method for producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe
06/13/2000US6073656 Energy attenuation device for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit
06/08/2000DE19905552C1 Pipe side branch connection system for joining existing side branch to new main pipe involves driving plug into side branch before driving new main pipe to replace old pipe
06/08/2000DE19855732A1 Pipe with variable cross-section has control element forming wall section of pipe in variable cross-section region with outer seal to channel wall, control device for moving control element
06/08/2000DE19855708A1 Acoustic tubular damper has outer casing, inner pipe with transverse lot and rectangular cavity, knitted fabric damping and volume cavities
06/08/2000DE19841105C1 Elastic fitting to hold exhaust pipe to bottom of vehicle, has holding bracket made of metal wire with rounded cross section round elastomer material
06/07/2000EP1006306A1 Decoupling element for vibrations in pipes especially for exhaust gas systems
06/07/2000EP0756687B1 Method for lining a pipe with a polymer liner
06/07/2000CN2381874Y Urgent leakage stopper for oil pipelines
06/07/2000CN2381873Y Disposable casing for pipe joint
06/06/2000US6070849 Resilient suspension device for an exhaust pipe
06/06/2000US6070615 Leakproof and fireproof tubing
06/06/2000US6070417 Method for making slurry
06/06/2000US6070285 Pipe cleaning apparatus for oil or gas pipelines
06/02/2000WO2000031601A1 Flow limiter
06/02/2000WO2000031458A1 Pipe liner and pipe lining method
06/02/2000WO2000030774A1 Milling device for pipe cleaning and sanitation technology
06/02/2000WO2000030751A2 Microplate sample and reagent loading system
05/2000
05/31/2000EP1004811A2 Liner for use in renovating sewers and pipes
05/31/2000EP1004467A2 Device for fixing an exhaust system to a motor vehicle and resilient fixing device for such an exhaust system
05/31/2000EP1003991A1 Device for inspecting ventilation or air-conditioning conduits, or other types of conduits
05/31/2000DE19954271A1 Overload safety system for suction tube of suction dredger consists of two separate units, of flanges and bolts under tension load, and flanges and bolts subject to bending momentum
05/31/2000DE19858509C1 Method for trench-free forming of pressure-sealed domestic gas/water pipe connections uses robots to place whip stock, drill string with head, draw head, and milling cutter robots
05/31/2000DE19855096A1 Vorrichtung zur Befestigung einer Abgasanlage an einem Kraftfahrzeug und Vorrichtung zur elastischen Verbindung von Befestigungseinrichtungen für eine solche Abgasanlage Device for fastening an exhaust system on a motor vehicle and a device for elastic connection of fastening means for such exhaust system
05/31/2000DE19849668C1 Renewal method for old underground fresh water or sewage pipes, using liners and folded bubbles fitted through bores into gap and filled with hardening material to align inner pipe
05/31/2000CN1254603A Improved roller-type clamp for intravenous injection or persuion equipment and its manufacture method
05/30/2000US6068725 Method of installation of a flexible cured in place lateral seal in an existing main pipeline
05/30/2000US6067682 Cup or disc for use as a part of a pipeline pig
05/25/2000DE19930172A1 Plastic roller clamp for tube of IV infusion kit is designed to reduce material consumption whilst assuring adequate strength in all stressed regions, for smooth operation and efficient molding
05/25/2000DE19919281A1 Spring-tensioned edge seal mounted in casing, surrounds butterfly valve disc and has stiffening where the seal is penetrated for bearings
05/24/2000EP1002984A2 Water hammer and noise attenuator for water pipes and taps
05/24/2000EP1002983A2 Water hammer and noise attenuator for water pipes and taps
05/24/2000EP1002932A2 Process and device for trenchless replacement of conduits
05/18/2000WO2000028257A1 Repairing material for flow channels
05/18/2000WO2000028249A1 Method of making a pipe, and a pipe
05/18/2000WO2000027679A1 Pressure means accumulator for vehicle brake systems
05/18/2000WO2000009436A3 Expansion joint with thermal transition connector
05/18/2000DE19852690A1 Verfahren und Vorrichtung zum Sanieren eines im Erdreich verlegten Altrohrstranges Method and device for rehabilitating of a laid in the ground Altrohrstranges