Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790)
05/2007
05/01/2007CA2517980C A pipe assembly and a method for installation in a borehole
04/2007
04/26/2007DE202006019193U1 Schutzelement Protection element
04/25/2007EP1649205B1 Insulated pipe made of steel
04/25/2007CN2893372Y Pipeline hot melten anticorrosion strip winding heating device
04/25/2007CN2893366Y Sealed insulating joint
04/25/2007CN2893362Y Seawater corrosion resisting modified epoxy ceramic anticorrosion layer seawater filling pipe
04/25/2007CN1952463A Joint coating method for oil gas pipeline after repairing the corrosion detection
04/20/2007CA2564669A1 A method and apparatus for protecting conduits
04/19/2007WO2007042231A2 Tubular threaded element provided with a dry protective coating
04/19/2007WO2006096659B1 Method and system for coating sections of internal surfaces
04/19/2007DE19747100C5 Verfahren zum Behandeln der Zementmörtelauskleidung von Rohren und Formstücken aus Stahl oder Gußeisen für Wasserleitungen Method of treating the cement mortar lining of pipes and fittings made of steel or cast iron water lines
04/19/2007CA2625090A1 Tubular threaded element provided with a dry protective coating
04/17/2007CA2408299C Method for inhibiting external corrosion on an insulated pipeline
04/12/2007US20070082222 Corrosion and abrasion resistant decorative coating
04/11/2007CN2888236Y Underground pipe with waterproof reinforcement device
04/11/2007CN2888225Y Metal water pipe connector
04/04/2007EP1770317A2 Elastomeric protection against roots and sealing arrangement protecting conduit joints from the intrusion of roots
04/03/2007CA2435208C Threaded joint for steel pipe with excellent seizure and corrosion resistances
03/2007
03/28/2007CN1938149A Lined vessels for conveying chemicals
03/21/2007CN2881280Y Polishing and corrosion prevention production equipment for bend pipe
03/21/2007CN1306208C Method for inhibiting external corrosion on insulated pipeline
03/14/2007CN2878876Y Lapping machine with anticorrosive belt
03/14/2007CN1930324A Method of preventing nickel leaching from copper alloy made liquid-contact equipment item, protective film forming agent for nickel leaching prevention and cleaner for nickel leaching prevention
03/14/2007CN1928415A PE application angle pipe and its manufacturing method and device
03/13/2007CA2288670C Method of lining pipes
03/08/2007US20070053749 Pipe assembly and a method for installation in a borehole
03/07/2007EP1760286A1 Exhaust pipe for internal combustion engine
03/07/2007CN2876510Y Anticorrosion antiwaxing antiscaling metal pipe
03/01/2007WO2006096659A3 Method and system for coating sections of internal surfaces
03/01/2007DE4000799B4 Verfahren zum Auskleiden eines Meßrohrs eines Durchflußmeßgeräts A process for lining a measuring tube of a flow meter
02/2007
02/28/2007EP1756458A1 Corrosion-resistant exterior alloy for composite tubes
02/28/2007CN2874191Y Anti-corrosion heat insulation pipe heated by non-metal electric heating fiber
02/28/2007CN1922433A Thread protector for tubular members
02/27/2007CA2307586C Woven fabric sleeve
02/22/2007US20070040381 Method of corrosion protection at a welded pipe joint and resulting joint
02/22/2007DE102005040735A1 Anti-corrosion protection for steel parts in water, e.g. piles and parts of jetties or platforms, involves using an epoxy resin-based multilayer insulation for natural gas pipelines with an outer layer of thermoplastic material
02/22/2007CA2836627A1 Dual gland air inversion and steam cure of cured in place liners
02/21/2007CN2872049Y Welding pipe with opening-repairing function and teflon lining
02/14/2007EP1751203A1 Thermally insulating polyurethane coating
02/14/2007CN2869542Y Drive device of production line for multifunction mobile corrosion-proof heat-insulation pipe
02/14/2007CN2869529Y Inner powder two-layer structure polytene corrosion-proof pipe
02/07/2007CN2867057Y Anti ultraviolet thermal insulation steam pipeline
02/07/2007CN2867040Y Flexible metal hose
02/07/2007CN1299038C Copper-aluminium combined pipeline for refrigerating system and its preparing method
02/07/2007CN1299036C Penetration proof composite pipe and its production technology
02/06/2007CA2313237C Corrosion protected water treatment device
02/05/2007CA2554171A1 Lined water conduit
01/2007
01/31/2007CN2864454Y Pipe arrangement for air conditioner and refrigerator
01/31/2007CN1904456A Anti corrosion pressure resistant pipe material
01/31/2007CN1297626C Anticorrosion preservative agent special for sleeve for oilfield well drilling and well cementing
01/30/2007US7169480 Clad pipe
01/30/2007CA2129636C Pipe construction
01/24/2007EP1746324A1 Method of producing protective tubes
01/24/2007CN2860611Y Glass scale resin liner
01/18/2007WO2007006877A1 Duct connecting piece comprising an internal liner, coating method, and assembly method
01/11/2007WO2007003111A1 A water pipe
01/10/2007CN2856665Y Single-layer thermal insulation tube
01/10/2007CN1894534A Coated pipes for conveying oil
01/03/2007EP1737649A2 Lined vessels for conveying chemicals
01/03/2007CN2854049Y Anti-corrosion protector for oil pipe hoop
01/03/2007CN1887993A Anticorrosive pipeline paint and its prepn
01/03/2007CN1293114C Composite foam plastic with improved water-resistance, long storage time and short demoulding time
12/2006
12/27/2006EP1736697A1 Threaded joint for steel pipe and process for producing the same
12/27/2006CN2851801Y Enamel equipment joint pipe repairing ring
12/27/2006CN2851800Y Spiral movement feeding machine for bent pipe
12/27/2006CN2851780Y Anti-corrosion zinc-coated nodular cast iron pipe
12/21/2006WO2006135144A1 Motor jet apparatus for preventing and removing scale using potential difference
12/20/2006CN2849416Y Gate flange protective cover
12/12/2006CA2198103C Process for renovating pipes
12/12/2006CA2152680C Deteriorated structure repair method and substratum for restoring and lining corroded structure
12/07/2006WO2006128256A1 Apparatus and method for lining conduits
12/07/2006WO2006012682A8 Corrosion resisting pipelines
12/07/2006CA2611046A1 Apparatus and method for lining conduits
12/06/2006CN2844608Y Sectional-pipeline spacing spigot and socket connecting structure with stainless-steel lining
12/06/2006CN1872937A Modified solvent free epoxy binder, and application as laminate layer of reinforced glass-fiber plastic material for corrosion protection of pipe
11/2006
11/22/2006EP1723270A2 Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion
11/22/2006CN1865379A Preparation method of black polyethylene antiseptic glue for unground steel pipeline
11/22/2006CN1865370A Wax deposition resistant coating for oil pipeline
11/16/2006WO2006121418A1 An improvement in the multi-layered composite pipe
11/16/2006WO2006120320A1 Flexible tubular conduit with an anti-wear jacket
11/15/2006EP1722010A1 Method of preventing nickel leaching from copper alloy made liquid-contact equipment item, protective film forming agent for nickel leaching prevention and cleaner for nickel leaching prevention
11/15/2006CN1284946C Threaded joint for steel pipe with excellent seizure and corrosion resistances
11/02/2006WO2006114226A2 Protective layer, useful in particular for protecting joints and/or edges, and process for applying the protective layer
11/01/2006CN1856677A Piping elbow liners
11/01/2006CN1856676A Liner wear detection
10/2006
10/24/2006US7125052 Crimped gas riser with jacket assembly
10/19/2006DE102005016030A1 Heat-insulating and vibration-damping sleeve for pipes has transponders mounted in it, e.g. between layer of foam and outer foil cover, which transmit data regarding condition of sleeve and pipes and flow through them
10/18/2006EP1711735A1 Thread protector for tubular members
10/11/2006CN2826127Y Forming device for glass fiber reinforced plastic anti-corrosion lining of pipe
10/11/2006CN2826126Y Internal patch joint for polytetrafluoroethylene pipe
10/11/2006CN2826115Y Oil casing with internal coating and external alloy layer
10/11/2006CN1844729A Multi-process continuous machining line for corrosion prevention and thermal insulation of steel pipe
10/11/2006CN1844278A Black polyethylene anticorrosion adhesive for buried steel pipeline
10/11/2006CN1843646A Method for manufacturing copper aluminium composite tubing and copper aluminium tubing produced thereby
10/10/2006CA2218931C Conveying process for a fluid flowing in a duct comprising a porous element
10/05/2006WO2006058271A3 Coated tools for use in oil well pipes
10/05/2006DE19833885B4 Verfahren zur Sanierung bzw. Renovierung von Abwasserleitungen und -kanälen A method for restoration or renovation of drains and sewers
10/04/2006CN2823749Y Single layer corrosion-proof heat insulation counterweight pipe
09/2006
09/27/2006EP1705265A1 Surface adjustment treatment prior to chemical treatment of steel product
09/20/2006CN2819004Y External high-temperature antiseptic coating acrylic polyurethane steel pipe
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