| Patents for B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape (9,784) |
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| 01/20/2011 | WO2011007083A1 Method for manufacturing rigid tubular pipes having double casing, and facility dedicated to manufacture of said pipes |
| 01/20/2011 | US20110011253 Stress Induced Crystallographic Phase Transformation and Texturing in Tubular Products Made of Cobalt and Cobalt Alloys |
| 01/19/2011 | EP2026919B1 Tubular members and methods of forming same |
| 01/19/2011 | CN201711381U Simple pressing device of molded heat insulation elbow |
| 01/19/2011 | CN201711380U Multi-edge pipe forming device |
| 01/19/2011 | CN201711373U Automatic forming machine of conical tube |
| 01/19/2011 | CN101952630A Aluminum foil based hose |
| 01/19/2011 | CN101947572A Tile type production method for tee pipe fitting |
| 01/19/2011 | CN101947571A Manufacturing method of compound steel |
| 01/13/2011 | US20110005287 Method for improving light gauge building materials |
| 01/12/2011 | EP2272600A1 Method of manufacturing a splined member for use in a driveshaft assembly |
| 01/12/2011 | CN201702253U Mould frame type mould replacing mechanism of welding pipe and cold-bending mill |
| 01/12/2011 | CN101941026A Tapered conical tube machine for pipeline and manufacturing method thereof |
| 01/12/2011 | CN101323934B High antiwear concrete conveying pipe and production method thereof |
| 01/11/2011 | US7866196 Tank wall and method and system for making |
| 01/11/2011 | US7866166 Method for improving residual stress in pipe and apparatus |
| 01/06/2011 | US20110004290 Highly flexible stent and method of manufacture |
| 01/05/2011 | CN201693074U Structure of mold core positioning block of three-way pipe fitting |
| 01/05/2011 | CN201693042U Shaping device in spiral welded pipe processing appliance |
| 01/05/2011 | CN201693015U Double-head pipe joint cold extrusion mold |
| 01/05/2011 | CN101934303A Multi-layer pipe and method for its production |
| 01/05/2011 | CN101934302A Method for preparing seamless titanium alloy tube for aircraft engine |
| 01/05/2011 | CN101934301A Continuous compound forming method for copper-aluminum composite plate and compound forming device thereof |
| 01/05/2011 | CN101623719B Method for manufacturing stainless steel heat transfer pipe of nuclear heat exchanger |
| 01/05/2011 | CN101569900B Manufacturing method of intermateable plug-in type steel pipe pole tower |
| 01/05/2011 | CN101462130B Method for bending tubular articles |
| 01/04/2011 | US7861571 Trapped ball draw process for reducing the diameter of tubing |
| 01/04/2011 | CA2543480C Method and tool for making enhanced heat transfer surfaces |
| 01/04/2011 | CA2542181C Apparatus for rectifying round pipe and tubing |
| 12/30/2010 | DE102009036006B3 Method for producing metallic tube of heat exchanger, involves breaking tubes at breaking points between roller pairs, where tubes are loaded with laminar contact pressure during breaking and sufficient breaking load is transmitted to tubes |
| 12/29/2010 | CN101927425A Continuous manufacturing method for large heat exchanging plate of heat exchanger and production line |
| 12/29/2010 | CN101927277A Cold forming method for bimetallic T-shaped three-way pipe |
| 12/29/2010 | CN101927276A Manufacturing method of cold drawn cylinder pipe for industrial gas cylinder |
| 12/29/2010 | CN101543847B Preparation method of non-gel ultra-thin stainless steel composite tube |
| 12/29/2010 | CN101480671B Technique for producing double-layer copper brazing steel tube for air-conditioner |
| 12/23/2010 | WO2010145680A1 Production-optimized method for producing a multilayered tube |
| 12/23/2010 | WO2010145630A1 Method and device for process monitoring and process control during expansion of uoe pipes made of steel |
| 12/23/2010 | US20100319425 Production method of internally ribbed steel tube and drawing plug for use therein |
| 12/22/2010 | EP2264205A1 High-strength steel plate excellent in low-temperature toughness, steel pipe, and processes for production of both |
| 12/22/2010 | EP2262922A1 Manufacture of pipes |
| 12/22/2010 | CN201676931U Pressing machine in helical corrugated steel tube complete equipment |
| 12/22/2010 | CN101925437A Apparatus for cutting bead on inner surface of electric-resistance-welded steel pipe |
| 12/22/2010 | CN101920278A Production method for hot-rolled steel plates for automobiles |
| 12/22/2010 | CN101474645B Improved inner expansion type tube extension device |
| 12/22/2010 | CN101350286B Probe nail of tunsten wire,and its manufacture method |
| 12/16/2010 | WO2010142728A1 Microneedle and method for the production thereof |
| 12/15/2010 | EP2261014A1 Molding apparatus and shoes thereof and a molding method |
| 12/15/2010 | EP2260956A1 Device for producing helix-shaped corrugated pipe |
| 12/15/2010 | EP2260764A1 Microneedle and method for its manufacture |
| 12/15/2010 | CN201669523U Spiral fine welding transmission device for steel pipes |
| 12/15/2010 | CN101912896A Method for manufacturing reducing pipe and die assembly thereof |
| 12/15/2010 | CN101912895A Pipe coiling machine |
| 12/08/2010 | EP2258493A1 Welded steel pipe welded with a high energy density beam, and a manufacturing method therefor |
| 12/08/2010 | CN101909802A Welded state monitoring device and method |
| 12/08/2010 | CN101907609A Ultrasonic probe, ultrasonic flaw detector, ultrasonic flaw detecting method and production method of seamless pipe |
| 12/08/2010 | CN101905767A Method for manufacturing package bucket |
| 12/08/2010 | CN101905252A Machining process of oxygen-free copper tubes for magnetic-controlled anode cylinders |
| 12/08/2010 | CN101590495B Method for preparing particle reinforced aluminum-matrix steel-backed composite board |
| 12/08/2010 | CN101076427B Friction-welded connection between a sheet metal element and a rotation body |
| 12/01/2010 | EP2254712A1 Method and device for manufacturing bimetallic pipes |
| 12/01/2010 | EP1402965B1 Method for manufacturing heat- treated deformed steel |
| 12/01/2010 | CN201659394U Stainless steel welding pipe production system |
| 12/01/2010 | CN101903595A Method for manufacturing a metal belt used in a paper/board or finishing machine |
| 12/01/2010 | CN101898204A Multi-stage drawing manufacturing method for superfine fluted tube |
| 12/01/2010 | CN101602078B Method for manufacturing section steel with high strength and high toughness by using hot-rolling steel plate |
| 12/01/2010 | CN101590494B Method for producing stainless steel tank |
| 12/01/2010 | CN101579700B Manufacturing method for ultra-long and ultra-thick circular plate |
| 12/01/2010 | CN101559447B Thin wall pipe connector and processing method thereof |
| 11/30/2010 | US7842141 0.05% or less C; 0.5% or less Si; 0.20% to 1.80% Mn; 0.03% or less P; 0.005% or less S; 14.0% to 18.0% Cr; 5.0% to 8.0% Ni; 1.5% to 3.5% Mo; 0.5% to 3.5% of Cu; 0.05% or less Al; 0.20% or less V; 0.01% to 0.15% oN2; and 0.006% or less O2 on a mass basis; corrosion resistance; heating, quanching, cooling |
| 11/30/2010 | CA2214519C Method of forming seamed metal tube |
| 11/25/2010 | DE102009003198A1 Method for manufacturing connection part of radiator, involves providing connecting pieces in connection channel arranged on middle piece of connecting part |
| 11/24/2010 | EP2253354A1 Method for manufacturing an element of a fire protection network using automatic sprinklers and associated element |
| 11/24/2010 | CN201644543U Back die for extrusion of thin-wall pipe |
| 11/24/2010 | CN101893139A Brazed pipe joint and manufacturing method thereof |
| 11/24/2010 | CN101892441A Ultrafine crystal grain semi-trailer axle tube material and processing method of axle tube |
| 11/24/2010 | CN101892422A Steel for petroleum casing pipe, high-frequency electric resistance welding petroleum casing pipe and methods for manufacturing steel for petroleum casing pipe and high-frequency electric resistance welding petroleum casing pipe |
| 11/24/2010 | CN101890442A Manufacturing method for cold drawn gas bottle pipe for inert gas |
| 11/24/2010 | CN101890441A Method for manufacturing cold-drawing seamless tube used for diving oxygen cylinder |
| 11/24/2010 | CN101890440A Method for manufacturing cold-drawing seamless steel tube for firefighting bottle |
| 11/24/2010 | CN101890439A Manufacturing process of cold-drawing seamless pipe for vehicular wrapped gas bottle |
| 11/24/2010 | CN101204720B Manufacture method of X80 pipeline JCOE direct sew submerged arc welding tube |
| 11/23/2010 | USRE41944 Method for manufacturing noble metal electric discharge chips for spark plugs |
| 11/23/2010 | US7838171 Metal separator for fuel cell and its production method |
| 11/23/2010 | US7837808 Process for manufacturing structural components by machining plates |
| 11/17/2010 | EP2251115A1 Method for producing flat tubes, rolling mill and heat exchanger comprising such flat tubes |
| 11/17/2010 | EP2249978A1 A multi-layered corrugated tubular article |
| 11/17/2010 | EP1015669B1 Electroplating method for forming a multilayer structure |
| 11/17/2010 | CN101886222A Method for manufacturing high-strength X90 steel grade spiral submerged arc welded pipe |
| 11/17/2010 | CN101885012A Plastic cold-extrusion technology of using copper pipe to prepare tee tube |
| 11/17/2010 | CN101885011A Making process of high strength steel straight seam steel tube |
| 11/17/2010 | CN101885010A Method for manufacturing cold-drawing gas cylinder tube for medical oxygen cylinder |
| 11/17/2010 | CN101885009A Manufacturing method of cold-drawing seamless steel tube for oxygen supplying bottles |
| 11/17/2010 | CN101885008A Continuous production method of overlong copper alloy pipe |
| 11/17/2010 | CN101368251B Steel plate for large-thickness hydrogen-contacting equipment and its production technology |
| 11/16/2010 | US7832077 Method of manufacturing a coiled tubing system |
| 11/11/2010 | DE102009017571A1 Pipe bends producing method, involves forming molding surface of one press tool part by end portions of sheet material during locking of press tool parts until final shape of pipe bend results |
| 11/10/2010 | EP1644145B1 Method and device for the production of a can body, and can body |
| 11/10/2010 | CN201625680U Special-shaped three-way one-step molding die |
| 11/10/2010 | CN201625679U Pre-stressing corrugated pipe forming machine |
| 11/10/2010 | CN101879537A Method for extrusion molding of lead-free specially shaped copper tubes |