| Patents for F16L 57 - Protection of pipes or objects of similar shape against external or internal damage or wear (3,889) |
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| 09/19/2007 | CN101040145A Textile protection element for a plastic support |
| 09/12/2007 | CN101033042A Glass waster material fluid transmission system |
| 09/11/2007 | US7267507 Method of reinforcing an embedded cylindrical pipe |
| 09/07/2007 | WO2007099219A1 Sheath for protecting a hose, particularly a fuel conduit, against shocks |
| 09/07/2007 | WO2007099065A1 Bending guard for the cooling tube of a cable winder of a vacuum cleaner |
| 09/04/2007 | US7264431 Fastener for cover member and cover assembly comprised thereof |
| 08/29/2007 | CN200940747Y Composite casted anti-wear bend pipe |
| 08/23/2007 | WO2007093256A1 Composite conveying pipe |
| 08/14/2007 | CA2345076C Method and apparatus for winding a helical pipe from its inside |
| 08/08/2007 | CN2932021Y Protective covering of water pipe |
| 08/08/2007 | CN2932020Y Decorative casing pipe used for protecting air-conditioning connecting pipe |
| 08/01/2007 | CN2929428Y Anti-wear bend tube and three-way tube |
| 08/01/2007 | CN101008463A Split joint type ceramic wear-resisting bend |
| 07/25/2007 | CN2926742Y Rode pipeline pressure-proof cushion |
| 07/24/2007 | US7246825 Erosion-indicating safety fitting |
| 07/19/2007 | WO2007079704A1 Piping for the hydraulic or pneumatic transport of solids |
| 07/19/2007 | WO2007079518A1 Concrete pipe lagging assembly |
| 07/18/2007 | EP1807651A1 Textile protection element for a plastic support |
| 07/18/2007 | CN2924245Y Anti-wear material conveying bent pipe |
| 07/12/2007 | WO2007078241A1 Tube liner |
| 07/11/2007 | EP1805449A1 Delivery pipe for transporting solid materials and method for producing a delivery pipe |
| 07/11/2007 | EP1805445A1 Delivery pipe for transporting solids |
| 07/11/2007 | CN2921526Y High impact resisting liner ceramic composite bend |
| 06/26/2007 | US7234492 Double-sheath pipe for transporting fluids, provided with a device for limiting propagation of a buckle of the outer tube and method for limiting propagation |
| 06/19/2007 | US7231714 Kraft chemicals are recovered from black liquor in a kraft recovery boiler having metal tubes subject to corrosive and cracking forces of the kraft recovery process, in a wall or floor of the boiler, wherein the improvement comprises that at least some of the tubes comprise composite tubes |
| 06/13/2007 | EP1795795A1 Heat Insulated article and method of making same |
| 06/13/2007 | CN2911370Y Special polyethylene outer protecting pipe for underwater pipeline |
| 06/06/2007 | CN2908965Y Wear-resistant material supply pipe |
| 05/31/2007 | DE29825251U1 Schutzummantelung Protective coating |
| 05/30/2007 | CN2906276Y Joint protective rest |
| 05/30/2007 | CN1971115A Protection device for submarine pipeline |
| 05/29/2007 | CA2165957C Corrosion inhibitor and sealable thread protector end cap |
| 05/24/2007 | WO2007057047A1 Two-part protector for a pipe end which is provided with an external or internal thread |
| 05/24/2007 | DE102006001315B3 Pipe unit assembled of straight and curved segments in particular for transport of concrete, comprises specifically shaped wearing rings |
| 05/24/2007 | CA2628674A1 Two-part protector for a pipe end which is provided with an external or internal thread |
| 05/23/2007 | EP1788298A1 Protective assembly for the threaded end of a pipe and its interior comprising an open threaded protector and a blank cover that can be embedded in it |
| 05/23/2007 | CN2903637Y Fast connecting device |
| 05/16/2007 | CN1965190A Corrosion-resistant exterior alloy for composite tubes |
| 05/09/2007 | EP1781978A1 Method for protecting a cable or a pipe |
| 05/09/2007 | CN2898526Y Anti-scraping polyethylene pipeline |
| 05/09/2007 | CN1961465A Protective tube |
| 05/03/2007 | WO2007048385A1 Feed pipe for transporting solids |
| 05/03/2007 | WO2007048368A1 Elbow pipe and method for producing an elbow pipe |
| 05/03/2007 | DE102004026013B4 Erdverlegbare Rohrleitung mit Wurzelschutz, und Verfahren zum Verlegen einer Rohrleitung Erdverlegbare pipe with root protection, and method of laying a pipeline |
| 05/02/2007 | EP1474625B1 Rupture insert |
| 05/02/2007 | CN2895328Y Anti-wear square chute device |
| 04/26/2007 | DE202006019193U1 Schutzelement Protection element |
| 04/25/2007 | CN2893369Y Wearproof pipeline bend |
| 04/25/2007 | CN2893368Y Steering protection bend |
| 04/25/2007 | CN2893365Y Squar slide pipe connecting device |
| 04/25/2007 | CN2893360Y Concrete transfer pipe |
| 04/20/2007 | CA2564669A1 A method and apparatus for protecting conduits |
| 04/19/2007 | WO2007041840A1 Improved fitting with complementary fitting materials |
| 04/18/2007 | EP1773922A1 Method for arming composit-fabrication of open-air located objects |
| 04/17/2007 | US7204265 Bursting insert |
| 04/11/2007 | CN2888236Y Underground pipe with waterproof reinforcement device |
| 04/04/2007 | EP1770317A2 Elastomeric protection against roots and sealing arrangement protecting conduit joints from the intrusion of roots |
| 03/28/2007 | EP1540670A4 Cable guide sleeving structure |
| 03/28/2007 | CN2883861Y Bellows extension segament for high temp metal powders delivery |
| 03/28/2007 | CN1938149A Lined vessels for conveying chemicals |
| 03/20/2007 | US7191802 Reinforcing wrap for plastic pipe |
| 03/15/2007 | WO2006126162B1 Filling elements for securing explosion in shafts, cavities, casings |
| 03/15/2007 | WO2006112710A3 Flexible pipe and method for manufacturing the same |
| 03/08/2007 | WO2007009451A3 Fire protection system for one or several supply lines |
| 02/28/2007 | EP1756458A1 Corrosion-resistant exterior alloy for composite tubes |
| 02/28/2007 | CN2874190Y Anti-sand corrosion oil transport pipeline |
| 02/22/2007 | WO2007020903A1 Piping-use cover assembly set |
| 02/21/2007 | EP1754925A1 Coupler comprising sealing protecting means |
| 02/21/2007 | CN2872048Y Wear-proof wind-disturbant bend |
| 02/13/2007 | CA2325136C Protective shield for elongated underground utilities |
| 02/08/2007 | WO2006126162A3 Filling elements for securing explosion in shafts, cavities, casings |
| 02/08/2007 | US20070029081 Centralizer |
| 02/07/2007 | CN2867058Y Pipe covering components |
| 02/07/2007 | CN2867057Y Anti ultraviolet thermal insulation steam pipeline |
| 02/07/2007 | CN1299036C Penetration proof composite pipe and its production technology |
| 01/31/2007 | EP1748527A1 Protective tube |
| 01/31/2007 | CN2864290Y Revolving furnace used high-temperature flexible conduit |
| 01/25/2007 | WO2007009451A2 Fire protection system for one or several supply lines |
| 01/24/2007 | CN2861697Y Ceramic lining wearable pipe with special structure |
| 01/24/2007 | CN2861695Y Flushing and wear prevention pipe elbow structure |
| 01/24/2007 | CN2861687Y Composite anti-wear pipe |
| 01/17/2007 | EP1743114A1 Insulation of a conduit in escape and/or rescue routes and partitioning of a building wall |
| 01/10/2007 | EP1078197B1 Thread protector |
| 01/10/2007 | CN2856665Y Single-layer thermal insulation tube |
| 01/10/2007 | CN1894534A Coated pipes for conveying oil |
| 01/04/2007 | US20070003376 Stiffener fixation assembly for a protective assembly that protects a flexible tube against wear due to friction |
| 01/03/2007 | EP1737649A2 Lined vessels for conveying chemicals |
| 01/03/2007 | CN1888507A Weldless joint metal hose and producing method thereof |
| 12/27/2006 | CN2851686Y Ceramic chip connecting structure |
| 12/26/2006 | US7152630 Fluid system coupling |
| 12/21/2006 | WO2006134842A1 Composite pipe and air-conditioning piping system comprising composite pipe |
| 12/20/2006 | EP1453997A4 Knit convolute protective sleeve |
| 12/19/2006 | US7150116 Device and method for locating an underground object |
| 12/14/2006 | WO2006132544A1 Device and method to secure a suspended object, and use therof |
| 12/13/2006 | EP1731824A2 Method of Impeding Crack Propagation |
| 12/06/2006 | EP1272786A4 Hose bending clamp |
| 11/29/2006 | CN1869493A Flexible pipe and method of fabricating same using overlapping layers |
| 11/22/2006 | EP1723270A2 Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion |
| 11/22/2006 | EP1629196B1 Filament-wound composite boom pipe |
| 11/16/2006 | WO2006120320A1 Flexible tubular conduit with an anti-wear jacket |