| 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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| 02/07/2001 | CN2418339Y Wear-resisting water belt |
| 02/07/2001 | CN1283320A Cable armouring |
| 02/06/2001 | US6183021 Pass-through dual containment fitting |
| 01/31/2001 | EP1071904A1 Flexible protective sleeve |
| 01/11/2001 | WO2001002764A1 Device for limiting propagation of deformation in a wound double-walled tube |
| 01/11/2001 | WO2001002503A1 Ensulated pipe |
| 01/11/2001 | DE19932053A1 Pipe has component made from abrasion and corrosion resistant material and sleeve made from textile impregnated with resin |
| 01/11/2001 | CA2377767A1 Ensulated pipe |
| 01/10/2001 | EP1066670A1 Protective sheath |
| 01/10/2001 | CN2414279Y Steel-plastics screw protection ring |
| 01/09/2001 | US6171132 Cover for cable connectors and the like |
| 12/19/2000 | US6161507 Tube protection devices and methods |
| 11/29/2000 | EP1055069A1 Sliding device for a two-cylinder pump for liquids |
| 11/28/2000 | US6152185 Hose protector system |
| 11/22/2000 | EP0857272A4 Fire resistant pipe |
| 11/08/2000 | EP1050091A1 Protective tubular sheath with longitudinal slit |
| 11/06/2000 | CA2307948A1 Protective cover for plumbing fixtures |
| 10/26/2000 | DE19915035A1 Cable protector for power cables to machinery |
| 10/19/2000 | WO2000061472A1 Abrasive material transport hose with wear detecting sensors |
| 10/12/2000 | WO2000060273A1 Structure and removal method for line pipe lining |
| 10/11/2000 | CN2400672Y Anti-freezing device for siphon pipe |
| 09/05/2000 | US6112770 Flexible protective sleeve |
| 08/29/2000 | US6111194 Electrical and/or fluid power transmitting assembly in a manipulative robot |
| 08/29/2000 | US6109660 Connecting structure of externally resin-coated small-diameter metallic pipe |
| 08/24/2000 | DE19906942A1 System for protection against damage of water reservoir communicating with water channel during freezing has control elements for determining difference of reservoir and environment temperature values and to operate heating elements |
| 08/23/2000 | CN2392970Y Hard bendable casing pipe |
| 08/09/2000 | CN1262407A Weldable compound bimetal pipe |
| 07/27/2000 | DE19901920A1 Plastic protective plate for example for concrete building walls, containers, comprises a layer of protrusions produced by application of at least partly molten plastic elements to the plate surface |
| 07/26/2000 | CN2389280Y Inner pipe protective cover for directly buried type sleeve compensator |
| 06/27/2000 | US6079451 Integral corrugated jacket pipe and method of producing the same |
| 06/20/2000 | US6076559 Protective cover for plumbing fixtures |
| 06/14/2000 | CN1053493C Wearless powder blowing conveying pipe |
| 06/13/2000 | US6073658 Elbow for conveying particulate matter |
| 06/07/2000 | CN1255512A Products having anti-static function |
| 06/06/2000 | US6070413 Condensation-free apparatus and method for transferring low-temperature fluid |
| 05/31/2000 | EP1004618A1 Articles having antistatic properties |
| 05/31/2000 | DE19854819A1 Hohler Artikel mit antistatischen Eigenschaften Hollow articles with antistatic properties |
| 05/31/2000 | CN2380781Y Connecting apparatus between sand-digging ship and sand pump |
| 05/02/2000 | US6057017 Maleic anhydride-modified polyolefin layer and a polyolefin layer formed one upon another on the external surface of a steel pipe, antioxidants |
| 05/02/2000 | US6056212 Liquid link system |
| 05/02/2000 | US6056015 Protecting and identifying fittings |
| 04/21/2000 | CA2285496A1 Protection of a pipeline |
| 04/13/2000 | WO2000020198A1 Fire, heat and backdraft protection shield for firefighters |
| 04/11/2000 | US6048805 Fire, heat and backdraft protection shield for firefighters |
| 04/11/2000 | US6047738 Method and an arrangement for closing of at least one end of a tube and a plug for said closing |
| 03/30/2000 | WO2000017567A1 Elbow for conveying particulate matter |
| 03/30/2000 | WO2000017564A1 Method and apparatus for winding a helical pipe from its inside |
| 03/29/2000 | EP0988672A1 Foam coated convoluted tubing |
| 02/23/2000 | EP0980489A1 Protective device for pipe partially laid on the seafloor |
| 02/22/2000 | US6027145 Joint for steel pipe having high galling resistance and surface treatment method thereof |
| 02/16/2000 | CN2364314Y Bend with lining and pipe having lining |
| 02/03/2000 | DE19811808C2 Verfahren zur Freihaltung des mit einem Gewinde versehenen freien Endes eines Installationsrohres von Verputzmaterial sowie Vorrichtung hierfür Process for the reservation of a threaded free end of a pipe installation of plaster material and apparatus therefor |
| 02/01/2000 | US6019549 Vortex shedding strake wraps for submerged pilings and pipes |
| 01/13/2000 | WO2000001982A1 Condensation-free apparatus and method for transferring low-temperature fluid |
| 01/04/2000 | US6009913 Lubricant surface-treated steel pipe for hydroforming use |
| 01/04/2000 | US6009906 Method and apparatus for preventing pipe damage |
| 12/15/1999 | EP0964095A2 Flame retardant lining material having improved adhesion |
| 12/15/1999 | EP0886902B1 Split corrugated sheath with a sound-proofing function |
| 12/07/1999 | US5996630 System for suppressing cavitation in a hydraulic component |
| 12/07/1999 | US5996304 Coating composition and method |
| 12/02/1999 | WO1999061836A1 Thread protector |
| 12/02/1999 | CA2331379A1 Thread protector |
| 12/01/1999 | EP0848662B1 Sandwich structure |
| 11/17/1999 | EP0743915B1 A method and an arrangement for closing of at least one end of a tube and a plug for said closing |
| 11/16/1999 | US5985385 Concentric layers of glass fibers, metal foil, refractory blanket and water jacket |
| 11/09/1999 | US5979508 Pipe protector |
| 10/28/1999 | WO1999054654A1 Flexible protective sleeve |
| 10/28/1999 | CA2328093A1 Flexible protective sleeve |
| 10/26/1999 | US5971028 Protecting cap for banjo member used in banjo type joint |
| 10/26/1999 | CA2167116C Pipe bend |
| 10/20/1999 | CN2344637Y Semi-automatic anticorrosive construction equipment for exterior of pipeline |
| 10/19/1999 | US5967194 Self-sealing tubing |
| 10/19/1999 | US5967190 Tail pipe protector |
| 10/13/1999 | EP0948833A1 Corrugated tube for protective envelopment of electrical lines |
| 10/07/1999 | CA2309857A1 Protective sheath |
| 10/06/1999 | CN2342214Y Steel plastic protective ring for petroleum casing screw |
| 09/30/1999 | DE19811808A1 Process to protect pipe screw fittings prior to application of wall plaster |
| 09/28/1999 | US5958315 Automobile wiring harnesses |
| 09/16/1999 | DE19837900A1 Telescopic pipe for supply of liquid concrete e.g. for lining tunnels |
| 09/10/1999 | WO1999045309A1 Protective device for pipe partially laid on the seafloor |
| 08/18/1999 | EP0656256B1 High-strength polyolefin-coated steel material |
| 08/12/1999 | WO1999040319A1 Sliding device for a two-cylinder pump for liquids |
| 08/12/1999 | DE19804863A1 Schiebervorrichtung für eine Zweizylinder-Dickstoffpumpe A valve device for a two-cylinder slurry pump |
| 07/29/1999 | WO1999038236A1 Protective tubular sheath with longitudinal slit |
| 07/29/1999 | CA2318280A1 Protective tubular sheath with longitudinal slit |
| 07/13/1999 | US5921282 Protective cover for plumbing fixtures |
| 07/07/1999 | CN1222223A Abrasion protection |
| 06/24/1999 | DE19825497C1 Fire=resistant supporting interlayer, e.g. for bitumen roofing strip |
| 06/17/1999 | WO1999016699A3 Python or tube bundle for beverage supply |
| 06/17/1999 | DE19746958C1 Assembly to mix building mortar, water and air and discharge through a jet |
| 06/09/1999 | CN1219180A Process for preparation of creep-resistant polypropylene block copolymers |
| 05/26/1999 | CN2320876Y Tube pore locking device |
| 05/25/1999 | US5906789 Method of everting a pipe liner bag into a pipeline |
| 05/12/1999 | CN1216350A Particle-reinforced aluminum-base wear-resisting pipe and its production |
| 05/06/1999 | WO1999022431A1 Corrugated tube for protective envelopment of electrical lines |
| 04/29/1999 | DE19747623A1 Corrugated tube for protective sleeving of electrical conductors |
| 04/28/1999 | EP0911568A2 A branch pipe lining assembly and a pipe lining method |
| 04/27/1999 | US5896892 Conduit cap and spacer system |
| 04/14/1999 | EP0907859A1 A method and an arrangement for closing at least one end of a tube and a plug for said closing |
| 04/08/1999 | WO1999016699A2 Python or tube bundle for beverage supply |