| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 01/03/2002 | CA2382454A1 Thermoplastic pipeline-liner not requiring venting of the annulus between the liner and the host pipe |
| 01/02/2002 | EP1167851A2 Duct |
| 01/02/2002 | EP1166881A2 Process and apparatus for removing particles from high purity gas systems |
| 01/02/2002 | EP1166020A1 Method for making slurry |
| 01/02/2002 | EP1166010A1 Apparatus |
| 01/02/2002 | EP1166009A1 Muffler lining for air or gas channels |
| 01/02/2002 | EP1166008A2 Method and apparatus for sealing building ductwork during chemical or biological attack |
| 01/02/2002 | EP1165994A1 Diverless subsea hot tap system with lateral pipe tie-in |
| 01/02/2002 | EP1165262A1 Applicator for inside cleaning of pipe and hose |
| 01/02/2002 | CN2469298Y Disposable and movable joint seal |
| 01/01/2002 | US6334957 Method for reduction of flow resistance in pipes and ducts |
| 01/01/2002 | US6334465 Device for stopping a leak in a pipe |
| 01/01/2002 | US6334285 Hanger for mounting to I-beams |
| 12/27/2001 | WO2001098623A1 Radial expansion of tubular members |
| 12/27/2001 | WO2001098061A1 Method and apparatus for installing a flexible tubular liner |
| 12/27/2001 | US20010054800 Sealing terminal for tubular duct |
| 12/26/2001 | CN1328625A Method of making pipe, and pipe |
| 12/26/2001 | CN1328224A Harf union joint |
| 12/20/2001 | WO2001096092A1 Method and apparatus for lining a conduit |
| 12/20/2001 | WO2001095968A1 Fluid control valve for pressure vessel |
| 12/20/2001 | WO1996030689A3 Multipart water restrictor |
| 12/20/2001 | DE10045959C1 Mobile examination device for drainage pipe has camera linked to image screen incorporated in elongate container receiving displacement rod for camera |
| 12/20/2001 | DE10029891A1 Sealing and drainage device for pipe; has leakage point and has cuff of flexible material with opening and closing device and inflatable binding that presses cuff to seal pipe when inflated |
| 12/20/2001 | CA2427534A1 Method and apparatus for lining a conduit |
| 12/20/2001 | CA2410740A1 Fluid control valve for pressure vessel |
| 12/18/2001 | US6331698 Thermoweldable clip for conduits |
| 12/18/2001 | US6331019 Conduit vibration decoupling device for use in exhaust systems |
| 12/13/2001 | WO2001094826A2 Novel textile reinforced thermoplastic or thermoset pipes and methods of making thereof |
| 12/13/2001 | WO2001094820A1 Lined pipe annular venting device |
| 12/13/2001 | WO2001044773A3 Device for testing sealed integrity of a chamber |
| 12/13/2001 | DE10028031A1 Branch pipe with two pipe trains, mains pipe, narrow tongue pipe, and initial insertion part |
| 12/13/2001 | DE10026086A1 Vorrichtung zum Anordnen zumindest eines Fluidsteuerventiles Device for arranging at least one fluid control valve |
| 12/13/2001 | DE10022621C1 Underground pipeline renewal method uses micro-tunneling technology for removal of old pipeline and simultaneous laying of new pipeline |
| 12/12/2001 | EP1161185A2 Medical grafting methods and apparatus |
| 12/12/2001 | EP0980490B1 Method of lining pipes |
| 12/12/2001 | EP0835177B1 Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus |
| 12/12/2001 | CN2465028Y Polyvinyl gas pipe blocking device |
| 12/11/2001 | US6328072 Universal safety device and process for protecting a pipeline |
| 12/11/2001 | US6328071 Well pressure tank |
| 12/11/2001 | US6328058 Hose clearing device |
| 12/11/2001 | CA2198999C Adhesive composition for bonding a lining tube on to the internal surface_of an existing pipe |
| 12/11/2001 | CA2196863C A reversible lining tube for repairing an existing pipeline |
| 12/06/2001 | WO2001092680A1 Use of helically wound tubular structure in the downhole environment |
| 12/06/2001 | WO2001091933A1 Subsea pig launching and receiving system and method of use and installation |
| 12/06/2001 | US20010047871 Use of helically wound tubular structure in the downhole environment |
| 12/06/2001 | US20010047825 Pressure flow stop |
| 12/06/2001 | US20010047676 Method of sealing the orifice of a metal tube |
| 12/06/2001 | CA2408514A1 Use of helically wound tubular structure in the downhole environment |
| 12/05/2001 | EP1159560A1 Auxiliary device for repairing a pipeline |
| 12/05/2001 | EP0986449B1 Method for producing a membrane reservoir |
| 12/05/2001 | EP0932793B1 Piece of piping through which waste gas flows of a system of pipes carrying waste gases, and this system of pipes |
| 12/05/2001 | EP0856118B1 Inner manipulator for testing or processing the inner surface of a pipe |
| 12/05/2001 | EP0813666B1 Hat-shaped connection sleeve for house service connections in sewer pipes |
| 12/05/2001 | CN2463660Y Pipeline vibration and fluid pressure pulsation attenuator |
| 12/05/2001 | CN2463659Y Resonance absorber for pipeline equipment |
| 12/05/2001 | CN2463658Y Removing-preventing device for pipeline |
| 12/05/2001 | CN1324995A Design of head with chain-block capable of piling |
| 12/05/2001 | CA2310478A1 Blow off silencer ii |
| 12/04/2001 | US6325105 Surge suppression apparatus incorporating a pressure regulation assembly |
| 12/04/2001 | US6325090 Backflow preventer assembly |
| 12/04/2001 | CA2164772C Protective cap assembly for protecting and sealing a tubing |
| 11/29/2001 | WO2001090623A2 Method and apparatus for the maintenance of pipelines |
| 11/29/2001 | WO2001056714B1 Subsea pig launcher |
| 11/29/2001 | US20010047180 Medical grafting methods and apparatus |
| 11/29/2001 | US20010045744 Pipe liner |
| 11/29/2001 | US20010045434 Plastic pressure vessel structure |
| 11/29/2001 | CA2410027A1 Method and apparatus for the maintenance of pipelines |
| 11/28/2001 | EP1158229A2 Device for mounting a fluid control valve |
| 11/28/2001 | EP1157746A2 Segmented stackable head design |
| 11/28/2001 | EP0988489B1 Flexible inflatable structures |
| 11/28/2001 | CN2462213Y Pressure magnetic dirt removing device for filtering duct |
| 11/28/2001 | CN2462212Y Leakage proof hoop |
| 11/28/2001 | CN2462211Y Small caliber gas pipeline clogging device |
| 11/28/2001 | CN2462210Y Pipeline silencer |
| 11/28/2001 | CN2462209Y Shock reducing silencing water tap |
| 11/28/2001 | CN1324439A Tubing for lining pipes and method for producing the same |
| 11/27/2001 | US6321773 Water valve assembly and water draining method |
| 11/27/2001 | US6321769 Injection pressure sensor sealing mechanism |
| 11/27/2001 | US6321719 Pressure damper for a pressure vessel |
| 11/22/2001 | WO2001088338A1 Apparatus for and method of lining passageways |
| 11/22/2001 | US20010043875 Pulsation damping device |
| 11/22/2001 | US20010043839 Method of laying data cables and the like in underground pipes and pipe-cable combinations |
| 11/22/2001 | CA2446198A1 Apparatus for and method of lining passageways |
| 11/21/2001 | EP1155256A2 A liner hose for reconstruction of conduits and pipelines and a method for manufacture thereof |
| 11/21/2001 | CN2460843Y Multipurpose dog |
| 11/21/2001 | CN2460842Y Watering leakage testing plugging for drainage pipe |
| 11/20/2001 | US6318681 Insulating element for pipes |
| 11/20/2001 | CA2260111C Lining a pipe |
| 11/20/2001 | CA2219642C Method and apparatus for removal of utility line and replacement with polyolefin pipe |
| 11/15/2001 | WO2001086191A1 Duct leakage control |
| 11/15/2001 | WO2001086190A1 Closed end sealing plug |
| 11/15/2001 | WO2001086182A2 Multi-purpose rehabilitation of conduits |
| 11/15/2001 | WO2001086096A1 Method of reinforcing structures |
| 11/15/2001 | US20010039711 Installing a scrolled resilient sheet alongside the inner surface of a fluid conduit |
| 11/15/2001 | DE10051949A1 Schwingungsdämpfer Vibration |
| 11/15/2001 | DE10027640C1 Drainage system has ventilation valve which has integral connecting pipe sections fitted into it |
| 11/14/2001 | EP1154194A1 Device for repairing sewer pipes or similar and use of such device |
| 11/14/2001 | EP1154157A2 Pulsation damping device |
| 11/14/2001 | EP1078158B1 Fuel system damper with vacuum bias |
| 11/14/2001 | EP1057053B1 Tightening strip with tension locking system |