| 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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| 07/09/2003 | EP0857272B1 Fire resistant pipe |
| 07/08/2003 | CA2415535A1 Method and apparatus for a line concrete pumping system |
| 07/03/2003 | US20030121691 Connector cover for providing a water shield between a pipe and a connector |
| 06/25/2003 | CN2557784Y High-strength corrosion-resistant, wearing-resistant pipe line |
| 06/25/2003 | CN1425865A Specific ceramic lining composite pipe, pipe fitting and their producing method |
| 06/25/2003 | CN1425599A Buffering high strength wear-resistant composite pipeline |
| 05/27/2003 | US6568430 Quick release pipe end cap |
| 05/22/2003 | WO2003042440A2 Knit convolute protective sleeve |
| 05/22/2003 | CA2467355A1 Knit convolute protective sleeve |
| 05/21/2003 | EP1311783A1 Method and device for protection and maintenance of cables, pipes etc. and use of a surrounding cladding |
| 05/21/2003 | CN1419643A A pipe burst protect device |
| 05/21/2003 | CN1419640A A protection device in event of pipe rupture |
| 05/15/2003 | US20030089971 Knit convolute protective sleeve |
| 05/15/2003 | DE20303602U1 Removal aid for protective plastic casing covering pipe to be installed underground, comprises intervening strip with reduced adhesion |
| 05/15/2003 | DE10200433C1 Overhead mounting for pipelines has movable mountings to allow lateral and longditudinal movements for thermal compensation |
| 05/14/2003 | CN2550615Y Steel-plastic composite pipe with protective device at end |
| 05/14/2003 | CN1418301A Hose bending clamp |
| 05/08/2003 | DE20219806U1 Pipeline for abrasive material has abrasion resistant inner lining made of ceramic or hard metal |
| 05/07/2003 | CN1415888A Channel elbow with wearable liner and lining method thereof |
| 05/06/2003 | US6557589 Hose bending clamp |
| 05/02/2003 | EP0883769B1 Method of preparing a multilayer pipe |
| 04/30/2003 | CN1413898A Wear-reducing elbow of material conveying pipe |
| 04/24/2003 | US20030075846 Damping sleeve with resilient support members |
| 04/23/2003 | EP1303721A1 Insulating casing |
| 04/22/2003 | US6550819 Pressure relieving arch having split pipe sleeves |
| 04/16/2003 | CN2545460Y Pipe with protective ring |
| 03/27/2003 | US20030059562 Sleeve with attachment flange |
| 03/26/2003 | CN2541703Y Copper type plated with strengened metal layer |
| 03/18/2003 | US6532992 Reusable pipe flange cover |
| 03/13/2003 | WO2003021736A1 Sleeve with attachment flange |
| 03/13/2003 | DE20300436U1 Protective sheathing, for electrical wires and pipes in vehicles, comprises corrugated pipe with textile layer and external metal layer |
| 03/12/2003 | EP1289742A1 Bi-layer covering sheath with foamable inner layer |
| 03/04/2003 | US6527301 Hose thread protector and splash guard |
| 03/04/2003 | US6527015 Insulated pipe |
| 03/04/2003 | CA2401058A1 Arcuate double-layer pipe, and method of assembling an arcuate double-layer pipe |
| 02/27/2003 | WO2002077404A3 Methods of girth welding high strength steel pipes to achieve pipeline crack arrestability |
| 02/20/2003 | WO2003014593A2 Damping sleeve with resilient support members |
| 02/20/2003 | WO2003014592A2 Damped flexible protective sleeving |
| 02/20/2003 | WO2003014591A2 Vibration damping corrugated flexible sleeving |
| 02/19/2003 | CN2536875Y Polyurethane corrosionproof thermal insulating pipeline |
| 02/18/2003 | US6520213 Arcuate double-layer pipe, and method of assembling an arcuate double-layer pipe |
| 02/18/2003 | US6520212 Protective end cap for tube end |
| 02/13/2003 | US20030030197 Vibration damping corrugated flexible sleeving |
| 02/13/2003 | US20030029627 Damped flexible protective sleeving |
| 01/08/2003 | EP1272786A1 Hose bending clamp |
| 01/03/2003 | WO2003001024A1 High strength metal sucker rod coupling |
| 01/03/2003 | WO2002077404A8 Methods of girth welding high strength steel pipes to achieve pipeline crack arrestability |
| 01/03/2003 | CA2442802A1 High strength metal sucker rod coupling |
| 01/02/2003 | EP1271732A1 Corrugated tube-mounting structure |
| 12/26/2002 | US20020197132 High strength spray metal tubular coupling |
| 12/26/2002 | US20020194732 Corrugated tube-mounting structure |
| 12/17/2002 | US6494234 Pipe bend for a pipeline for transport of abrasive materials |
| 12/17/2002 | US6494232 Modular protective sleeve for underground utilities |
| 12/11/2002 | EP1265021A2 Protective cap |
| 12/05/2002 | WO2002097319A1 Fast opening and closing access door for pipes and containers |
| 12/03/2002 | US6489001 Protective impact-resistant thermal insulation structure |
| 11/28/2002 | WO2002095891A1 Protective cover |
| 11/28/2002 | WO2002094922A1 Polyolefin coated steel pipes |
| 11/27/2002 | EP1260547A1 Polyolefin coated steel pipes |
| 11/27/2002 | EP0906536B1 Abrasion protection |
| 11/27/2002 | CN1381744A 光缆导套 Cable bushing |
| 11/21/2002 | US20020170728 Protective cover |
| 11/21/2002 | US20020170727 Protective cover |
| 11/20/2002 | EP1257758A1 Sealing socket and method for arranging a sealing socket to a tube |
| 11/14/2002 | WO2002090205A1 Reusable polyurethane protection jacket |
| 11/14/2002 | US20020166594 Modular protective sleeve for underground utilities |
| 11/05/2002 | US6475093 Protective cover assembly for a slip yoke in a vehicle drive train assembly |
| 10/31/2002 | US20020160117 Asphalt coating material for pipes |
| 10/30/2002 | EP0907859B1 A method and an arrangement for closing at least one end of a tube and a plug for said closing |
| 10/23/2002 | EP1251379A2 Fiber optic cable guide boot |
| 10/22/2002 | US6467812 Pipe having replaceable wear resistant lined coupler |
| 10/22/2002 | US6467545 Monolithic isolation stress joint |
| 10/17/2002 | WO2002081105A1 Pipe coating |
| 10/17/2002 | US20020150352 Fiber optic cable guide boot |
| 10/17/2002 | CA2443634A1 Pipe coating |
| 10/17/2002 | CA2380906A1 Fiber optic cable guide boot |
| 10/03/2002 | WO2002077404A2 Methods of girth welding high strength steel pipes to achieve pipeline crack arrestability |
| 09/26/2002 | US20020134452 Methods of girth welding high strength steel pipes to achieve pipeling crack arrestability |
| 09/25/2002 | CN1091497C Weldable compound bimetal pipe |
| 09/18/2002 | EP0883768B1 Multilayer pipe |
| 09/18/2002 | CN2511846Y Wear-resisting resistance-reduction ring |
| 08/28/2002 | EP1055069B1 Sliding device for a two-cylinder pump for liquids |
| 08/21/2002 | CN2506597Y Wearing-reducing elbow pipe for material conveying pipeline |
| 08/20/2002 | US6435218 Pipe with crack stopper feature, and process of protecting a pipe against propagation of cracks |
| 08/14/2002 | DE10206089A1 Bersteinsatz The bursting |
| 08/13/2002 | US6431216 Protective tube assembly |
| 07/31/2002 | EP1050091B1 Protective tubular sheath with longitudinal slit |
| 07/31/2002 | EP0894103B1 Process for the preparation of creep-resistant polypropylene block copolymers |
| 07/31/2002 | EP0786616B1 Steel pipe joint having high galling resistance and surface treatment method thereof |
| 07/25/2002 | US20020096881 Pressure relieving arch having split pipe sleeves |
| 07/24/2002 | CN2502112Y Wear-resisting pipe fitting with ceramic paster |
| 07/17/2002 | EP1223305A2 Bi-stable expandable device and method for expanding such a device |
| 07/17/2002 | EP1222358A1 A device by a protective cap for pipes |
| 07/16/2002 | CA2745733A1 Technique of forming expandable devices from cells that may be transitioned between a contracted state and an expanded state |
| 07/03/2002 | CN2498433Y Multi-shield high temperature pipe |
| 06/25/2002 | US6408888 Energy conducting guide chain |
| 06/19/2002 | EP1215343A1 Piping structure of working machine |
| 06/19/2002 | CN2495886Y Protective, corrosion-proof and thermal-insulation type metal tube (or pipe) materials |
| 06/13/2002 | US20020069925 Elbow protection cover and a method for producing it |
| 06/11/2002 | US6403889 Bi-layer covering sheath |