| 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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| 01/02/2013 | CN202638942U Continuous push-pull machine |
| 01/02/2013 | CN202638921U Cone pipe machine of steel pipe |
| 01/02/2013 | CN102853193A Flat steel bifurcated pipe and manufacturing method thereof |
| 01/02/2013 | CN102848634A Easily-molded environment-friendly beryllium bronze-steel bimetallic bearing material and manufacturing method thereof |
| 01/02/2013 | CN102847744A Manufacture method for opening pieces of tubes in different wall thicknesses |
| 01/02/2013 | CN102847743A Manufacture method of pipe different in wall thickness |
| 01/02/2013 | CN102179423B Automatic bore tapering shaping machine |
| 01/02/2013 | CN101722211B Open type built-in stainless steel dual-metal spiral composite pipe forming device |
| 01/02/2013 | CN101300103B Method of producing seam-welded pipe having good welded portion characteristics |
| 12/27/2012 | WO2012175217A1 Ribbed tube and method for the production thereof |
| 12/27/2012 | DE112011100899T5 Verfahren und Vorrichtung zur Herstellung eines verzweigten Rohres Method and apparatus for producing a branched pipe |
| 12/26/2012 | CN202621617U Compaction control mechanism for automatic stitch welding of electric pole and light pole |
| 12/26/2012 | CN202621616U Automatic stitch welding machine for power pole or street lamp pole |
| 12/26/2012 | CN102836895A Method for manufacturing special-shaped seamless steel pipe |
| 12/26/2012 | CN102205356B Cold extrusion die for double end pipe joint |
| 12/26/2012 | CN101817028B Cold extrusion mould for double-head pipe joint |
| 12/25/2012 | US8340341 Coated speaker dome |
| 12/20/2012 | WO2012171875A1 Method for producing slit hollow profiles |
| 12/20/2012 | WO2012146379A3 Method for producing connection ports |
| 12/20/2012 | DE102011051160A1 Verfahren zur Herstellung geschlitzter Hohlprofile A process for producing a slotted hollow profiles |
| 12/19/2012 | EP2533935A1 Device and method for continuously welding strips and/or sheets using two welding heads offset from each other |
| 12/19/2012 | CN202606562U Medium plate stripping production line |
| 12/19/2012 | CN102829254A Metallurgical fused composite concrete conveying pipe and manufacturing method thereof |
| 12/19/2012 | CN102825100A Manufacturing method of special-shaped pipe piece with unequal wall thickness |
| 12/19/2012 | CN102825099A Manufacturing method of GH4145 alloy pipe |
| 12/19/2012 | CN102825098A Horizontal extruding technology for flat aluminium pipe |
| 12/19/2012 | CN102825097A Production method of alloy HMn60-3-1-0.75 large section bar |
| 12/19/2012 | CN102825096A New process for producing micron-order stainless steel fiber |
| 12/19/2012 | CN102825095A Manufacturing method for GH4169 alloy belt |
| 12/19/2012 | CN102825094A Production equipment for continuous compounding halogen-free A-level fireproof metal composite board |
| 12/19/2012 | CN102825093A Production technology for hollow abnormal-shape electric anaerobic copper plate |
| 12/19/2012 | CN102825092A Production process of hard aluminum alloy profiles |
| 12/18/2012 | CA2634434C Sealing mechanism for ductwork |
| 12/18/2012 | CA2522274C Method of manufacturing stainless steel pipe for use in piping systems |
| 12/13/2012 | WO2012170622A1 Rotary sputter target assembly |
| 12/13/2012 | WO2012167356A1 Tubing reconditioning method |
| 12/13/2012 | US20120315398 Method and system for manufacturing metal-plated steel pipe |
| 12/13/2012 | DE102010013472B4 Nahtüberwachungs-Vorrichtung Seam monitoring device |
| 12/12/2012 | EP2532765A1 High-strength welded steel pipe and method for producing the same |
| 12/12/2012 | CN102822374A High-strength electrical-resistance-welded steel pipe and manufacturing method therefor |
| 12/12/2012 | CN102821886A Method and apparatus for manufacturing uoe steel pipe |
| 12/12/2012 | CN102821882A Steel pipe production equipment |
| 12/12/2012 | CN102817563A Continuous oil pipe with gradual changing wall thickness and production method for continuous oil pipe |
| 12/12/2012 | CN102814355A Apparatus for processing body of internally-thickened alumium alloy drill pipe |
| 12/12/2012 | CN102814354A Processing technology for magnesium alloy and aluminum alloy sections |
| 12/12/2012 | CN101754820B Device and method for the axial forming of elongated hollow bodies |
| 12/11/2012 | US8327681 Wellbore manufacturing processes for in situ heat treatment processes |
| 12/06/2012 | WO2012164579A1 Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel |
| 12/05/2012 | EP2529849A2 Device and method for manufacturing slot pipes made of sheet panels |
| 12/05/2012 | CN202570814U Tube manufacturing equipment |
| 12/05/2012 | CN102808586A Continuous oil tube with gradually changed wall thickness and manufacturing method thereof |
| 12/05/2012 | CN102806245A Method and device used for manufacturing groove pipe by steel plate |
| 12/05/2012 | CN102806244A Process for producing copper tubes by refining,continuous casting, continuous rolling and stretching of waste copper |
| 12/05/2012 | CN102091727B Method for improving internal quality of medium plate |
| 12/05/2012 | CN101675285B Method for manufacturing elongated multi-layer Tubular body |
| 12/05/2012 | CN101637983B Metallurgical bonding composite steel pipe, manufacturing method and manufacturing device thereof |
| 12/04/2012 | US8322004 Indirect laser induced residual stress in a fuel system component and fuel system using same |
| 12/04/2012 | CA2706360C Method and apparatus for relieving residual stress in welded pipe joints |
| 12/04/2012 | CA2534653C Vehicle frame having energy management system and method for making same |
| 11/29/2012 | DE202012009932U1 Behälter, hergestellt aus einem wendelförmig gebogenen Blechband Container made of a helically bent sheet metal strip |
| 11/29/2012 | DE202012009931U1 Ausrichteinrichtung zum Herstellen eines Behälters aus einem wendelförmig gebogenen mehrlagigen Blechband Alignment means for producing a container from a helically curved multi-layer sheet metal strip |
| 11/28/2012 | CN202555619U Online forming unit of longitudinal submerged arc welded roller |
| 11/28/2012 | CN102794329A Manufacturing equipment for nozzle of main steam super pipeline of nuclear power and pulling and extrusion manufacturing process for nozzle |
| 11/28/2012 | CN102794328A Method for processing seamless stainless steel pipe |
| 11/28/2012 | CN102059271B Manufacture method of seamless steel tube for (ultra-)supercritical boiler |
| 11/28/2012 | CN101869928B Hydraulic steel pipe connector and extrusion forming method and production device thereof |
| 11/27/2012 | US8316916 Method for producing a pipe |
| 11/27/2012 | CA2778029A1 Welded seam bushing |
| 11/21/2012 | CN202543296U Galvalume plate continuous production line |
| 11/21/2012 | CN202539251U Device for locking side rollers of extrusion roller for high-frequency straight-seam welded pipes |
| 11/21/2012 | CN202539250U Equipment for forming coiled pipe made of material with unequal thickness |
| 11/21/2012 | CN102791418A Operation management device, operation management method, and operation management program for high-frequency resistance welding and induction welding |
| 11/21/2012 | CN102784812A Manufacturing method of X65 steel-grade HFW (High Frequency Welding) steel pipe for ore pulp conveying pipeline |
| 11/21/2012 | CN102784811A Combined roller |
| 11/21/2012 | CN102002615B Ultrahigh-strength aluminum alloy material and preparation method of pipe blank for preparing internal cylinder of separator |
| 11/21/2012 | CN101787459B Noble metal seamless tube and manufacturing method and manufacturing equipment thereof |
| 11/21/2012 | CN101472702B A method for producing a metal tube by clad rolling one more profiles to form at least one channel, a clad rolling mill for joining one or more profiles, a clad rolled metal tube |
| 11/21/2012 | CN101300088B Hollow bar manufacturing process |
| 11/20/2012 | US8312629 Method of making a tubular support bar for a dashboard support |
| 11/20/2012 | CA2687436C Bent pipe and a method for its manufacture |
| 11/15/2012 | WO2012153182A1 Assembly of a tube and of a sheet |
| 11/15/2012 | US20120285586 Tungsten wire, cathode heater and vibration service lamp filament |
| 11/14/2012 | EP2522440A1 A method for the production of tubular joints for the feeding of liquids and joints obtained with said method |
| 11/14/2012 | CN202527512U Automatic copper belt pressing machine |
| 11/14/2012 | CN102781614A A method of manufacturing a stainless steel product |
| 11/14/2012 | CN102777707A Large-caliber spiral welding steel plastic composite pressure pipe and manufacturing method thereof |
| 11/14/2012 | CN102773307A Forming process of parallel three-way connector |
| 11/14/2012 | CN102773306A Packing medium of extruded tube piece and manufacturing process of extruded tube piece |
| 11/14/2012 | CN102773305A Conical square pipe machine for conical degree of pipe, assembly process and machining method |
| 11/14/2012 | CN102773304A Passive forming machine for steel-plastic compounded steel pipe |
| 11/14/2012 | CN102773303A Copper nickel alloy large-size thick-wall seamless pipe manufacturing process |
| 11/14/2012 | CN102773302A Continuous preparation method for foamed aluminum rod |
| 11/14/2012 | CN102189149B Technological method for forming high-strength thick wall steel tube |
| 11/14/2012 | CN101811232B Wire rod for low-carbon flux-cored welding wires and manufacture method thereof |
| 11/14/2012 | CN101683709B Method for continuously producing medium-caliber welded tube by strip continuous casting |
| 11/14/2012 | CN101474903B Bismuth bronze-steel composite bimetallic bearing material and method for producing the same |
| 11/08/2012 | WO2012150733A1 Src tube brazing apparatus for an air cooling system condensing plant |
| 11/08/2012 | DE102011056461A1 Fertigungslinie des hitzebeständigen Legierungsofenrohrs und der Rohrreihe für die petrochemische Anwendung Production line of heat-resistant alloy furnace tube and the tube row for the petrochemical application |
| 11/07/2012 | EP2520381A1 Turks head stand |
| 11/07/2012 | CN202516875U Copper strip pressing device |