| 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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| 06/06/2002 | US20020066491 Insulated pipe |
| 06/04/2002 | US6397895 At least three insulation layers formed on the interior including an epoxy, substantially free of phenolics, and ceramic and/or glass |
| 05/15/2002 | EP1071904B1 Flexible protective sleeve |
| 05/14/2002 | US6386236 Method of prestressing and reinforcing damaged cylindrical structures |
| 05/08/2002 | DE10055142A1 Protective cap used for drill pipes, conveying pipes or riser pipes in oil and gas drilling on land or offshore is made from material containing corrosion inhibitor in regions facing tube of sleeve thread |
| 05/02/2002 | DE10123968A1 Transporting pipe for non-pressurized hydraulic or pneumatic transporting of bulk material has externally fitted wear protection layer to replace sector worn by material concentrated at lowest point of pipe on inside |
| 05/01/2002 | CN1083960C Fabric jacket and use of it for abrasion protection |
| 05/01/2002 | CN1083952C Bellows-type cover with integrated clamping member |
| 04/25/2002 | WO2002033301A1 Double-sheath pipe for transporting fluids, provided with a device for limiting propagation of an outer tube and method for limiting propagation |
| 04/24/2002 | EP1198684A1 Protective end cap for tube end |
| 04/24/2002 | EP1198526A1 Ensulated pipe |
| 04/23/2002 | US6375228 Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete |
| 04/17/2002 | EP1196708A1 Device for limiting propagation of deformation in a wound double-walled tube |
| 04/17/2002 | CN2486821Y Assembling water pipe protective cover |
| 04/17/2002 | CN2486807Y Gas transport pipe having resistance reducing and wear resistant inner coating |
| 04/09/2002 | US6367508 Thread protector |
| 03/28/2002 | US20020037955 Product with antistatic properties |
| 03/21/2002 | DE10053968A1 Covering for flange connection for pipe lines consists of tape of hook-and loop material, wound around flange plates and fastened by overlapping ends |
| 03/20/2002 | EP1115996A4 Method and apparatus for winding a helical pipe from its inside |
| 02/28/2002 | WO2002016709A1 Fire barrier devices |
| 02/21/2002 | WO2002014732A1 Method and device for protection and maintenance of cables, pipes etc. and use of a surrounding cladding |
| 02/21/2002 | US20020021958 Piping structure of a working machine |
| 02/19/2002 | US6347911 Vortex shedding strake wraps for submerged pilings and pipes |
| 02/07/2002 | WO2002010630A1 Wear-resistant tool joint and drill pipe made therefrom |
| 02/05/2002 | US6343706 Method and an arrangement for closing at least one end of a tube and a plug for said closing |
| 01/30/2002 | CN2474887Y Dust removing pipeline construction member with protective layer |
| 01/29/2002 | US6341626 Flexible protective sleeve |
| 01/23/2002 | CN2473444Y Safe anti-breaking gas tube |
| 01/17/2002 | US20020005222 Pipe bend for a pipeline for transport of abrasive materials |
| 01/16/2002 | EP1171369A1 Abrasive material transport hose with wear detecting sensors |
| 01/15/2002 | US6338366 Pipe insulation with a jacket measured in fractions of an inch |
| 01/09/2002 | CN1077672C Partical-reinforced aluminium-base wear-resistant pipe and its preparation |
| 01/02/2002 | EP1167858A2 Pipe bend for transport of abrasive materials |
| 01/02/2002 | EP1167857A2 Pipe bend for transport of abrasive materials |
| 12/25/2001 | US6332478 Reusable pipe flange covers |
| 12/13/2001 | WO2001094828A1 Insulating casing |
| 12/06/2001 | WO2001091998A1 Bi-layer covering sheath with foamable inner layer |
| 12/04/2001 | CA2164772C Protective cap assembly for protecting and sealing a tubing |
| 11/13/2001 | US6316537 Heat-ageing resistance, resistance to peroxide-containing motor fuels; piping systems which transport combustible fluids, e.g. motor fuel |
| 11/01/2001 | WO2001081815A1 Method and device for protecting pipes against mechanical effects |
| 11/01/2001 | US20010034924 Hose bending clamp |
| 10/31/2001 | DE10019749A1 Verfahren und Anordnung zum Schutz von Rohren gegen mechanische Einwirkungen Method and apparatus for protecting pipes from mechanical effects |
| 10/30/2001 | CA2042986C Double wall fire proof duct |
| 10/24/2001 | CN1319169A Method and apparatus for winding helical pipe from its inside |
| 10/18/2001 | US20010032064 Method of offering wall-thickness thinning prediction information, and computer-readable recording medium storing wall-thickness thinning prediction program, and method of planning piping work plan |
| 10/18/2001 | DE10021322C1 Quadrant pipe for pneumatic unit to supply abrasive media, e.g. plastics granules has straight inlet and outlet segments mitred together with tube inserts forming abrasion cladding |
| 10/11/2001 | WO2001075356A1 A pipe burst protect device |
| 10/11/2001 | WO2001075233A1 Piping structure of working machine |
| 10/09/2001 | US6298882 Explosion resistant blanket for flow line |
| 10/04/2001 | WO2001073339A1 A protection device in event of pipe rupture |
| 10/04/2001 | EP1139241A2 Method of offering wall-thickness thinning predicition information, and computer-readable recording medium storing wall-thickness thinning prediction program, and method of planning piping work plan |
| 10/02/2001 | CA2150491C Pipe having replaceable wear resistant lined coupler |
| 09/27/2001 | WO2001071231A1 Hose bending clamp |
| 09/25/2001 | US6294597 Curable polymeric composition and use in protecting a substrate |
| 09/19/2001 | EP1097334A4 Pipe cage |
| 09/19/2001 | CN1071186C Sandwich structure |
| 09/13/2001 | US20010020539 Structure for wiring a wire harness between an automobile body and a mobile article, and a method of protecting an electric wire group of a wire harness |
| 09/11/2001 | US6286874 Hose coupling protector |
| 09/06/2001 | DE10009305A1 Steel pipe used for transport of fluids under high pressure, has outer corrosion-proof protective sheath including plastic layer and crack stopper zone formed by wrapping bandage made of fiber material, around pipe |
| 09/05/2001 | EP1078197A4 Thread protector |
| 09/05/2001 | CN1311846A Thread protector |
| 08/30/2001 | WO2001063162A1 Sealing socket and method for arranging a sealing socket to a tube |
| 08/29/2001 | EP1128118A1 Sealing socket and method for arranging a sealing socket to a tube |
| 08/23/2001 | US20010015234 Pipe with crack stopper feature, and process of protecting a pipe against propagation of cracks |
| 08/22/2001 | CA2337715A1 A pipe with crack stopper feature, and process of protecting a pipe against propagation of cracks |
| 08/14/2001 | CA2240127C Polyolefin-coated steel pipe having high resistance to thermal oxidative degradation and high weatherability and a process for manufacturing the same |
| 08/14/2001 | CA2075715C Pipeline and passageway lining materials |
| 07/24/2001 | US6265039 Abrasion protection |
| 07/18/2001 | EP1115996A1 Method and apparatus for winding a helical pipe from its inside |
| 07/17/2001 | USRE37279 Insulating sleeve for a fluid pipe |
| 07/04/2001 | EP1113066A1 Steel pipe having an organic resin outer surface coating for improved hydroforming |
| 07/04/2001 | CN2437944Y Wear-resistant wave enamel composite expansion joint |
| 06/13/2001 | EP1106901A1 Detachable obturator for metal conduit to be connected to flexible conduit |
| 06/13/2001 | DE19959253A1 Mortar strip comprises two outer layers consisting of a water-soluble foil, or a fiber fabric or fleece, and a middle layer which takes the form of a fleece containing dry mortar and additives |
| 06/06/2001 | CN2433493Y Wear-resisting bent tube |
| 05/17/2001 | WO2001034377A1 Fire and heat protection wrapping system |
| 05/09/2001 | EP1097334A1 Pipe cage |
| 05/08/2001 | US6227249 Thermoplastic polyurethane inner layer, soft polyvinyl chloride protective layer and hard synthetic resin reinforcement |
| 05/03/2001 | DE10032074C1 Curved pipe section for a pipeline to carry abrasive materials has structured coupling ends with wear-resistant inner rings and an outer mantle curve and an intermediate curved section |
| 05/01/2001 | US6224710 Curing epoxy resin in contact with hot melt adhesive using cycloaliphatic amine and polyamide amine curing agents |
| 05/01/2001 | US6224066 Bellows-type cover with integrated clamping member |
| 04/24/2001 | US6221974 Process for the preparation of creep-resistant polypropylene block copolymers |
| 04/24/2001 | US6220834 Support pipe for concrete pump with pivoting valve |
| 04/18/2001 | CN2426941Y Improved composite direct-buried insulation pipe |
| 04/18/2001 | CN1291691A Split-type pipe with multi-layer wall and its making method |
| 04/18/2001 | CN1064750C Protective non-heating shrink belt for jacketed pipeline joint |
| 04/11/2001 | EP0980489B1 Protective device for pipe partially laid on the seafloor |
| 04/10/2001 | US6213214 Pipeline treatment composites |
| 03/27/2001 | US6206103 Solid, self sustaining body including nonylphenol ethoxylate having at least 50 moles of ethylene dioxide per mole of nonylphenol; low solubility, high specific gravity, and high melting point |
| 03/22/2001 | DE19945094A1 Mixing nozzle esp. for application of wet sprayed concrete has housing with mixing chamber and inlet for feeding of e.g. additives or propellant and protective ceramic layer |
| 03/20/2001 | US6202376 Sandwich structure |
| 03/06/2001 | US6197707 Bituminous strips adhered to support inlay |
| 03/06/2001 | US6196270 Thread protector |
| 03/01/2001 | WO2001014686A1 A device by a protective cap for pipes |
| 02/28/2001 | EP1078197A1 Thread protector |
| 02/14/2001 | CN2419389Y Wear-resisting ceramic sheets on fluiding surface and fixing strips therefor |
| 02/13/2001 | US6187402 Pipes used for fluid transport, i.e. transport of liquid or gas, e.g. water or natural gas, during which the fluid can be pressurised; resistance to propagation of crack; creep resistance; pressure resistance |
| 02/13/2001 | CA2232927C Protective cover for plumbing fixtures |
| 02/08/2001 | WO2001009546A1 Protective end cap for tube end |
| 02/08/2001 | CA2380096A1 Protective end cap for tube end |