| 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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| 04/16/2008 | CN201047478Y Double buffering winding pipe structure |
| 04/16/2008 | CN201047477Y Detachable wear resistant winding pipe structure |
| 04/10/2008 | WO2008040052A1 Composite reinforced strip windable to form a helical pipe and method therefor |
| 04/10/2008 | CA2665348A1 Composite reinforced strip windable to form a helical pipe and method therefor |
| 04/09/2008 | EP1567797A4 Protective device |
| 04/09/2008 | CN201045439Y Hydraulic ejector |
| 04/03/2008 | DE102006045592A1 Protective cap for fixing to an end section of a line of a charger of a vehicle comprises gripping brackets radially protruding opposite a casing section (4) and assigned to tongues |
| 04/02/2008 | EP1904780A2 Fire protection system for one or several supply lines |
| 04/02/2008 | CN100378392C Special ceramic double-lining pipe and production method thereof |
| 04/01/2008 | US7351009 Fiber optic installation structures in a paved surface, ducts, and methods therefor |
| 03/27/2008 | WO2008035976A1 Means for fire protection of pipes, pipe joints, flanges, valves, insulation and steel constructions |
| 03/27/2008 | US20080072989 Squeeze resistant flange cover and method of making same |
| 03/26/2008 | CN201041275Y Drinking water conveyor pipe with erosion-proof coating |
| 03/19/2008 | CN201037584Y Abrasion-proof antiseptic composite tube |
| 03/19/2008 | CN201037576Y Elbow pipe with abrasion-proof lining |
| 03/13/2008 | WO2008029249A1 Composite pipe having non-bonded internal liner, method and assembly for the production thereof |
| 03/13/2008 | WO2008028638A1 Method for the production of a concrete conveying pipe |
| 03/13/2008 | US20080063478 Subsea connector insulation device |
| 03/11/2008 | US7341686 Device for arresting the propagation of a buckle in a double-walled pipe |
| 03/11/2008 | CA2491675C Thermally isolated conduit |
| 03/06/2008 | WO2008025529A1 Pipe section comprising a tubular insulating element of a fire retarding material |
| 03/06/2008 | DE102006052978B3 Metallic pipe joint has inserting sections for connecting metal tubes with polymer casing by thermal joining process, where outside diameter of inserting section is smaller than inside diameter of metal tube |
| 03/05/2008 | EP1895224A1 Pipe section comprising a tubular insulating element of a fire retarding material |
| 03/05/2008 | EP1627176B1 Tube for transporting high-viscosity materials |
| 03/05/2008 | CN201032003Y Steel-high chromated nickel abrasion-proof composite pipe |
| 03/04/2008 | US7339113 Protective device |
| 02/28/2008 | WO2008022616A1 Delivery pipe for the transport of solids |
| 02/27/2008 | EP0894103B2 Process for the preparation of creep-resistant polypropylene block copolymers |
| 02/27/2008 | CN201028236Y Pipe with abrasion-proof inner cavity surface |
| 02/27/2008 | CN201028207Y Abrasion-proof durable elbow pipe |
| 02/27/2008 | CN201028159Y Anti-corrosion thermal insulation pipeline |
| 02/27/2008 | CN101133279A Heating part used for tubing joint |
| 02/20/2008 | EP1888182A2 Filling elements for securing explosion in shafts, cavities, casings |
| 02/20/2008 | CN201025323Y Solar heat water pipe |
| 02/14/2008 | US20080035366 Heat Protection Tube |
| 02/14/2008 | DE202007015749U1 Schutzhülse für Einbaugarnituren Protective sleeve for installation kit |
| 02/12/2008 | US7328723 Pipe nipple protective sleeve |
| 02/06/2008 | CN101120199A Duct wrap and method for fire protecting a duct |
| 02/05/2008 | US7325575 Rope and webbing protector |
| 01/31/2008 | US20080022612 Apparatus for maintaining the structural integrity of a pipe passing through a building partition |
| 01/30/2008 | CN201014117Y Split joint type ceramic wear resistant bend |
| 01/30/2008 | CN201014007Y Inside lining of washing prevention valve |
| 01/30/2008 | CN100365739C Cable guide sleeving structure |
| 01/24/2008 | DE202006013647U1 Platte Plate |
| 01/23/2008 | EP1881254A1 Tube for transporting high-viscosity materials |
| 01/23/2008 | EP1880812A1 Method for trimming a hose section and hose section |
| 01/23/2008 | CN101111707A Heat protective tube |
| 01/23/2008 | CN101111706A High-temperature resistant protective tube |
| 01/16/2008 | EP1877689A2 Flexible pipe and method for manufacturing the same |
| 01/16/2008 | CN101107187A Elbow pipe and method for producing an elbow pipe |
| 01/16/2008 | CN101105257A Steel jacket composite pipe |
| 01/09/2008 | CN101101081A Hot shrinkage bushing for copper-aluminum pipe for air conditioner |
| 01/03/2008 | WO2008000153A1 An antiwear bend for conveying material |
| 01/03/2008 | WO2007121223A3 Protective girth-weld cover with air release |
| 01/02/2008 | EP1873440A1 Curved element of modular metal pipes for transporting concrete or of other highly abrasive materials in a fluid state, and manufacturing method for manufacturing said element |
| 12/28/2007 | CA2551260A1 Flame-resistant tube for braking systems |
| 12/27/2007 | WO2007147204A1 Plug assembly |
| 12/27/2007 | CA2692121A1 Plug assembly |
| 12/26/2007 | CN200996502Y Submarine pipeline protecter |
| 12/26/2007 | CN101093044A Structure of corrosion resistant tube wall |
| 12/20/2007 | US20070292621 Method for Arming Composit-Fabrication of Open-Air Located Objects |
| 12/19/2007 | CN101089445A Wear-resistant bend |
| 12/13/2007 | WO2007140780A1 Meltal sheet ventilation/smoke duct section and manufacturing method thereof |
| 12/13/2007 | DE102006038989B3 Conveying pipe for transporting solid, has tubing body exhibiting coupling collars at inlet-sided pipe end and outlet-sided pipe end, respectively, where locking ring has length larger or equal to half inner diameter of tubing body |
| 12/13/2007 | CA2654435A1 Metal sheet ventilation/smoke duct section and manufacturing method thereof |
| 12/12/2007 | EP1865271A1 Metal sheet ventilation/smoke duct section and manufacturing method thereof |
| 12/12/2007 | EP1864052A1 Duct wrap and method for fire protecting a duct |
| 12/12/2007 | CN200989510Y Hose joint protection sleeve |
| 12/12/2007 | CN101086313A Elbow pipe for preventing water belt bending |
| 12/11/2007 | CA2461384C Drill pipe protector |
| 12/06/2007 | WO2007137720A1 Molded part for conduit systems for conveying waste water |
| 12/06/2007 | US20070277894 Oilfield Pipeline Crossover |
| 12/05/2007 | EP1861648A2 Corrugated pipe with outer layer |
| 12/05/2007 | CN200986080Y Composite wear resistant pipeline |
| 11/23/2007 | CA2588729A1 Pipeline lining method |
| 11/22/2007 | WO2007131983A1 Cooling device for the supply area of a vacuum cleaner |
| 11/22/2007 | DE202007012694U1 Isolierung Insulation |
| 11/21/2007 | CN200979055Y Wear-resistant casing for straight tube and elbow pipe |
| 11/17/2007 | CA2547156A1 Abrasion resistant liner for slurry pipelines |
| 11/08/2007 | WO2007125572A1 Heater component for pipe joint |
| 11/01/2007 | WO2007121564A1 Knife gate valve |
| 11/01/2007 | CA2743804A1 Knife gate valve |
| 10/28/2007 | CA2722327A1 Quick-change wear sleeve for a high-pressure fluid conduit and method of refubishing same |
| 10/24/2007 | EP1572409A4 Apparatus and methods for connecting a plasma arc torch lead to a power supply |
| 10/21/2007 | CA2543718A1 Completely separable bolted knife gate valve body assembly with removable wear components |
| 10/20/2007 | CA2584590A1 Fireproof hose |
| 10/18/2007 | WO2007115634A1 Transport tube for thick materials |
| 10/18/2007 | CA2647213A1 Transport tube for thick materials |
| 10/17/2007 | EP1844259A1 Improvements in or relating to pipes and pipe cladding |
| 10/17/2007 | CN101055054A 混凝土输送管道 Concrete pipes |
| 10/16/2007 | US7281546 Thread protection system with weather barrier |
| 10/10/2007 | EP1843065A1 Hatch for the opening and closing of pressurised pipes, in particular for the opening and closing of branch pipes for the introduction of pipe cleaning and inspection apparatus |
| 10/04/2007 | WO2006099206A3 Corrugated pipe with outer layer |
| 10/04/2007 | DE19882360B4 Schutzummantelung Protective coating |
| 10/03/2007 | CN101048615A Delivery pipe for transporting solid materials and method for producing a delivery pipe |
| 10/03/2007 | CN101048611A Delivery pipe for transporting solids |
| 09/27/2007 | WO2007107010A1 Adjustable spiral sleeve for protecting lines |
| 09/27/2007 | CA2635821A1 Adjustable spiral sleeve for protecting lines |
| 09/20/2007 | DE10311032B4 Kabel sowie Verfahren zur Herstellung eines Kabels Cable as well as methods for producing a cable |
| 09/19/2007 | EP1834126A1 Fire resistant hose construction |