Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
12/2003
12/31/2003CA2490231A1 Inversion liner and liner components for conduits
12/30/2003US6669455 Fluid-pumping system employing air-driven pump and employing at least one pulsation dampener
12/30/2003US6669309 vibration damper for damping fluid vibrations in a hydraulic system
12/30/2003US6669150 Clip assembly with positive locating features
12/30/2003US6668580 Chiller compressor circuit containing turning vanes
12/27/2003CA2391846A1 Rotating pig launcher
12/25/2003US20030234057 Inversion liner and liner components for conduits
12/25/2003US20030234056 Inversion liner and liner components for conducts
12/24/2003WO2003106882A1 Inhibitor dispensing pipeline pig
12/24/2003WO2003106881A1 Guiding means for installation of formed-in-situ conduit repairs
12/24/2003DE19933977C2 Verfahren zum Anbinden eines Anschlußrohres an ein mittels eines Reliningrohres aus Kunststoffmaterial saniertes Hauptrohr A method for attaching a connecting pipe to a restructured from plastic material by means of a Reliningrohres main pipe
12/24/2003CN2594606Y Extruded non-stop production pipe leakage repairing device with single chain
12/24/2003CN2594605Y Extruded pipe leakage repairing device without stopping production
12/24/2003CN2594604Y Metal pipe with double spiral bands
12/24/2003CN2594603Y Load-carrying compensator
12/24/2003CN1132033C 具有夹紧连接件的线夹及其应用 The clamp has a clamping connector and its application
12/23/2003CA2216096C Installing a pipe in an existing pipeline
12/18/2003WO2003104708A1 Pipeline pig
12/18/2003US20030230375 Curing plastics within pipes eliminates need for welding
12/18/2003US20030230372 Method for placing objects on the inner wall of a placed sewer pipe and device for carrying out said method
12/18/2003CA2488936A1 Pipeline pig
12/17/2003EP1370595A2 Process for lining canals, ditches and pipes with a non-sagging polyurethane/geofabric composite
12/17/2003CN2593021Y Hoop seal of pipeline checking hole
12/17/2003CN1461921A Refrigerant pipe structure of air conditioner
12/16/2003US6663808 Method of producing textile reinforced thermoplastic or thermoset pipes utilizing modified dorn structures
12/16/2003US6663319 Sewer lining system
12/16/2003US6663149 Threaded closure
12/16/2003US6662490 Core hole plug assembly
12/16/2003CA2132492C Liner pipe for repair of a host pipe
12/11/2003WO2002090811A9 Device at a fire valve and/or giregas valve
12/11/2003WO2002020341A3 Method of reinforcing an existing metal structure, method of reinforcing pipes and method of addition of spur lines to pipelines
12/11/2003US20030226607 Perforated pulsation dampener and dampening system
12/10/2003EP1369637A2 Transition fitting for a pipe liner
12/10/2003EP1368591A1 Sealing methods
12/10/2003EP1075602B1 Microvalve battery
12/10/2003EP1047899B1 Surface-traversing vehicle
12/10/2003CN2591392Y Eye-splice type fast-opening blind plate
12/10/2003CN2591383Y In-pipe water hammer arrester
12/09/2003US6659133 Insertable line stopper plug for pipelines
12/04/2003WO2003100312A1 Stretch-resistant pipe liner
12/04/2003US20030223823 Pipe replacement apparatus
12/04/2003US20030221904 Muffler arrangement for a flow duct
12/03/2003EP1367311A1 Sound damper for a flow duct, in particular for use in a turbine inlet casing
12/03/2003EP1097333B1 Apparatus and method for repairing a lateral pipe and the junction of the lateral with a main sewer line
12/03/2003CN2589790Y Emergency leakage stopping joint for pipeline
12/02/2003US6658118 Suppression of fluid-borne noise
12/02/2003US6655874 Method and apparatus for slitting flexible pipe in an underground bore
12/02/2003US6655413 Method and apparatus for pressure testing pipe lines
11/2003
11/27/2003US20030219314 Sewer lining system
11/27/2003US20030217844 Deformable member
11/27/2003US20030217777 Stretch-resistant pipe liner
11/26/2003CN2588172Y Leakage blocking air cushion
11/26/2003CN2588171Y Device for quick repairing leakage in pipe joint
11/26/2003CN2588170Y Insertion type pipe flow blocking device
11/26/2003CN2587827Y Adhesive tape winding machine
11/25/2003US6652690 System for providing heated fluid utilizing exothermic chemical reaction for curing resin in pipe liner/repair process
11/25/2003US6651699 Liner for branch pipe of old repaired pipe and lining system and method for such liner
11/25/2003CA2344895C Segmented stackable head design
11/20/2003WO2003095886A1 Damper for hydraulic systems
11/20/2003WO2003095845A1 Hydraulic system comprising pressure-controlled damping means
11/20/2003WO2003095704A1 Descaling method and descaling apparatus
11/20/2003US20030215291 Method and device for lining a sewer pipe
11/20/2003US20030213556 Apparatus, methods, and liners for repairing conduits
11/20/2003DE20312029U1 Device for eliminating of lime deposits in fluid pipes and collecting systems has facility whereby lime scale blocking action is achieved by constant electromagnetic field of one or more coils fitted on pipe
11/19/2003EP1362204A1 System of lines
11/18/2003US6648010 Check valve plate with anti-pressure surge device
11/18/2003US6647722 Device to reduce vibrations in a hydraulic force transfer system
11/13/2003WO2003093713A2 Duct seepage reduction
11/13/2003WO2003093592A1 Pipe filter and closure assembly
11/13/2003US20030210955 Mitred grate and drain cover
11/13/2003US20030209823 Method and apparatus for installing a flexible tubular liner
11/13/2003DE20210076U1 Method, for assembling air ducts, has U-shaped brackets to clamp duct ends together and incorporating elastic dampers in the pendant supports
11/13/2003CA2491885A1 Pipe filter and closure assembly
11/12/2003EP1361388A1 Composite tube for lining a pipe
11/12/2003EP1361001A2 Method and arrangement for inspecting sewer pipes
11/12/2003EP1090336B1 Freeze valve
11/11/2003US6644356 Rehabilitation of water supply pipes
11/06/2003WO2003092136A1 Methods and tools for installing a cable into a pipeline and for servicing the pipeline
11/06/2003WO2003022117A3 Cleaning tool for conduits
11/06/2003US20030206989 Novel modified dorn structures
11/06/2003US20030205900 Tube fitting
11/06/2003CA2427955A1 Method and arrangement for inspecting sewer pipes
11/05/2003EP1359366A1 Perforated pulsation dampener and dampening system
11/05/2003EP1359365A2 Tube fitting
11/05/2003EP1358426A2 Method of diminishing the size of the cross section of an opening of a hollow device located in a flow pipe
11/05/2003EP1358425A1 Accumulator for liquids
11/05/2003CN1453496A Pipeline breaking method and breaker
11/05/2003CN1453495A Water hammer-preventing pressure balancer
11/05/2003CN1126897C Shape memory combined patch for pipes connection
11/04/2003US6641906 High temperature clip cushion
11/04/2003US6641688 Method for sealing an annular space
11/04/2003US6641687 Apparatus for repairing a pipeline and method for using same
10/2003
10/30/2003WO2003089226A1 Composite strip windable to form a helical pipe and method thereof
10/30/2003WO2003054437B1 Low permeation hydraulic accumulator
10/30/2003US20030201011 Service tools for pipelines containing conduit or cable
10/29/2003EP1356187A1 Methods and mechanisms to set a hollow device into and to retrieve said hollow device from a flow pipe
10/29/2003EP1355746A1 Process tapping point clearing apparatus
10/29/2003CN1125936C Internal pipe pulling device
10/28/2003US6637782 End-sided closure of a pipe
10/28/2003US6637542 Power steering system with noise reduction