| 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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| 06/26/2013 | CN103174903A Compound axial-type expansion joint |
| 06/26/2013 | CN103174883A Flame retardant polypropylene pipe |
| 06/20/2013 | WO2013086892A1 Material conveying machine, composite structure conveying pipe and manufacturing method thereof |
| 06/19/2013 | EP2604306A1 Strain relief and catheter provided with strain relief |
| 06/19/2013 | CN203010114U Protective cover for cement material conveying pipeline |
| 06/19/2013 | CN203010113U Wear-resistant bent pipe |
| 06/19/2013 | CN203010112U Gas pipe protector ring for gas pipe crossing built-up box culvert |
| 06/19/2013 | CN203010111U Self sealing flexible connection structure capable of lowering abrasion |
| 06/19/2013 | CN203010093U Bend for pneumatic transmission |
| 06/19/2013 | CN203010092U Anti-wear bend for pneumatic cement conveying pipeline |
| 06/19/2013 | CN203010091U Abrasion-resistant elbow |
| 06/19/2013 | CN203010048U Coated type metallic corrugated pipe |
| 06/19/2013 | CN203010035U Novel concrete pipe for cantilever pump truck |
| 06/19/2013 | CN203010032U Anti-scratching polypropylene pipe |
| 06/19/2013 | CN103162024A Delivery pipe |
| 06/13/2013 | WO2013083154A1 Hybrid piping for cng operations and method of producing the same |
| 06/13/2013 | US20130150807 Strain relief and catheter with strain relief |
| 06/12/2013 | EP2601430A1 Method to make a curved tubular element in order to convey abrasive materials such as concrete or suchlike, and curved tubular element thus obtained |
| 06/12/2013 | CN202992526U Protection plate structure for thermal insulation of refrigerant pipe of multi-machine |
| 06/12/2013 | CN202992524U Wear-resistant heat-insulating structure of high-temperature flue pipeline |
| 06/12/2013 | CN202992509U Pipe clamp steel hoop used for car air conditioner pipeline |
| 06/12/2013 | CN202992430U Thread stationary type anti-pulse radiator cooling water pipe |
| 06/12/2013 | CN103154590A Fire resistant textile sleeve and methods of construction thereof and providing fire protection therewith |
| 06/12/2013 | CN103153601A Textile sleeve with protective coating and method of construction thereof |
| 06/12/2013 | CN103148289A Large-caliber abrasion proof composite pipe for dredging and manufacturing method thereof |
| 06/12/2013 | CN102444762B Casing pipe for automobile metal pipe |
| 06/12/2013 | CN101865355B Energy dissipation orifice plate |
| 06/06/2013 | WO2013081251A1 Piping having a thermowell |
| 06/05/2013 | CN202972235U Abrasion-resistant composite pipe for conveying slurry |
| 06/05/2013 | CN202972234U Slurry transfer pipe of desulfurization device |
| 06/05/2013 | CN202972226U Floral tube used for gob autoignition danger area judging and provided with seal ring |
| 06/05/2013 | CN103133819A Impact-resisting wear-resisting pipeline inner liner |
| 06/05/2013 | CN103133799A Improved glass wool pipe shell |
| 06/05/2013 | CN103133788A Pipeline with protecting pipe |
| 05/30/2013 | WO2013076721A1 Method and apparatus for monitoring a network of conduits |
| 05/30/2013 | US20130133772 Anti-kinking device for garden or water hose |
| 05/29/2013 | EP2596183A1 Smoke, sound and fire resistant blanket |
| 05/29/2013 | CN202955414U Toothed-section pressure-resistant armored layer of composite hose |
| 05/29/2013 | CN202955384U Wear-resisting elbow convenient to repair |
| 05/29/2013 | CN202955378U Novel tee joint |
| 05/29/2013 | CN202955357U Durable gas pipe for residents |
| 05/29/2013 | CN202955344U Fixing structure of suction hose of stoning machine |
| 05/23/2013 | WO2013073540A1 Pipe connection structure and pipe connection method |
| 05/23/2013 | US20130125655 Method for testing the integrity of a flexible tubular pipe and device for implementing same |
| 05/22/2013 | CN202946794U Abrasion-resistant pipe |
| 05/22/2013 | CN103119348A Method to make a curved tubular element in order to convey abrasive materials such as concrete or suchlike, and curved tubular element thus obtained |
| 05/22/2013 | CN103119106A Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection |
| 05/22/2013 | CN103115218A Protective jacket of delivery hose |
| 05/22/2013 | CN103115198A Deepwater sea floor reinforcing pipeline |
| 05/16/2013 | US20130118606 Hydraulic pressure unit |
| 05/15/2013 | CN202937941U Wear-resistant elbow applied to pneumatic delivery pipeline |
| 05/15/2013 | CN202937898U Wear-resisting composite pipe |
| 05/15/2013 | CN202937890U Anti-wear metal pipe |
| 05/15/2013 | CN103104760A Wear resistant composite tube |
| 05/15/2013 | CN103104752A Steel tube with steel wire mesh |
| 05/14/2013 | CA2550112C Coated pipes for conveying oil |
| 05/08/2013 | DE202012001125U1 Brandschutzvorrichtung Fire protection device |
| 05/08/2013 | CN202927374U Waterproof horizontal pipeline heat preserving device |
| 05/08/2013 | CN202927369U High-pressure oil pipe wear-resistance protection sleeve |
| 05/08/2013 | CN202927368U Waterproof elbow pipe sleeve |
| 05/08/2013 | CN202927367U Photo-curing protection layer made from epoxy glass fiber reinforced plastics fibers |
| 05/08/2013 | CN202927366U Flame retardant rubber thermal-insulation protective jacket for joint |
| 05/08/2013 | CN202927343U Novel wear-resistant elbow |
| 05/08/2013 | CN202927315U Flange, connection structure and concrete pump vehicle |
| 05/08/2013 | CN202927298U Coating-plastic composite steel pipe |
| 05/08/2013 | CN202927294U Super weather resistance tough composite pipe |
| 05/08/2013 | CN103090119A Multifunctional composite air pipe plate |
| 05/08/2013 | CN103090118A Wear-resisting and corrosion-resisting alloy coating long and thin composite tube and production method thereof |
| 05/02/2013 | DE102012104395A1 Hochfester Rohrleitungsgewindeschutz High-strength pipe thread protectors |
| 05/01/2013 | CN202914967U Gas station breather pipe flange connection position rain-prevention device |
| 05/01/2013 | CN103075610A Low-energy-consumption steam delivery pipe system |
| 05/01/2013 | CN103075499A Oil pipe and water pipe protection cover of scrapper speed reducer |
| 04/28/2013 | CA2775502A1 High strength pipe thread protector |
| 04/25/2013 | WO2013058649A1 Reinforced flexible pipe |
| 04/25/2013 | CA2856626A1 Reinforced flexible pipe |
| 04/25/2013 | CA2852822A1 A fire insulation material |
| 04/24/2013 | EP2583031A1 Aerodynamic tube shields |
| 04/24/2013 | CN202901696U Multi-layer high-temperature wear-resistant composite tube |
| 04/24/2013 | CN202901662U Wear-resisting bend |
| 04/24/2013 | CN202901562U Anti-penetrating anti-corrosion heat preservation oil and gas gathering and transporting pipeline |
| 04/24/2013 | CN202901559U Polyethylene (PE) water feeding pipe with wear-resisting coating |
| 04/24/2013 | CN202901558U Heat preservation pipe |
| 04/24/2013 | CN103062575A Heat-insulation joint coating process for underground oil and gas pipelines in high and cold regions |
| 04/24/2013 | CN103062572A Abrasion-resistant rubber pipe and preparation method thereof |
| 04/24/2013 | CN103062534A Flange assembly, concrete delivery pipeline and method for manufacturing flange assembly |
| 04/24/2013 | CN103062517A Composite tube |
| 04/24/2013 | CN102359661B Method for manufacturing and fixing submarine pipeline buckle arrestor on basis of morphological energy adsorption |
| 04/24/2013 | CN102278549B Method for preparing heat-resisting elastic insulating pipe |
| 04/18/2013 | US20130092251 Passive Fireproofing System for Pipelines |
| 04/17/2013 | EP2580290A2 Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection |
| 04/17/2013 | CN202888740U Casing pipe |
| 04/17/2013 | CN202884878U Waste heat boiler heat exchange tube bundle anti-abrasion device |
| 04/17/2013 | CN202884458U Stainless steel tube |
| 04/17/2013 | CN202884377U Wearing resistant pump pipe |
| 04/17/2013 | CN202884376U Wear-resisting structure of tremie pipe |
| 04/17/2013 | CN202884341U Combined type wear-resisting discharging bend |
| 04/17/2013 | CN202884326U Both-way corrugated compensating tube |
| 04/17/2013 | CN202884296U Metal flexible pipe |
| 04/17/2013 | CN202884275U Novel stainless steel tube |
| 04/17/2013 | CN103047495A Ceramic-lined anti-abrasion and shock-reduction short rubber pipe |