| 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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| 06/08/2011 | CN102085538A Preparation method of silicon, aluminum, potassium and molybdenum alloy wire |
| 06/08/2011 | CN101701315B Manufacturing method of submerged pipeline steel pipe |
| 06/08/2011 | CN101386038B Manufacture method of seamless tube line steel tube for X52 steel grade low temperature |
| 06/03/2011 | WO2011065582A1 Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same |
| 06/03/2011 | WO2011065579A1 Welded steel pipe for linepipe with superior compressive strength, and process for producing same |
| 06/03/2011 | WO2011065578A1 Welded steel pipe for linepipe with superior compressive strength and superior toughness, and process for producing same |
| 06/01/2011 | CN102084201A Heat exchanger, in particular heat exchanger of a motor vehicle, and method for producing a cooling pipe of a heat exchanger |
| 06/01/2011 | CN102080180A Aluminum steel composite material and preparation method |
| 06/01/2011 | CN102078889A Process method of a hydraulic machine to press tee pipe fittings |
| 06/01/2011 | CN102078888A Method for manufacturing steel pipe with long round section |
| 06/01/2011 | CN102078887A Production method of aluminum-magnesium alloy strip for cosmetic packaging shell |
| 06/01/2011 | CN101709416B Paper-making aluminum alloy strip and manufacturing method thereof |
| 05/31/2011 | US7950121 Method for rounding the edges of parts |
| 05/26/2011 | US20110124421 Method for producing a tubular drive shaft, in particular a cardan shaft for a motor vehicle |
| 05/26/2011 | US20110123822 Nanosize structures composed of valve metals and valve metal suboxides and process for producing them |
| 05/26/2011 | DE102009003668B4 Vorrichtung und Verfahren zur Herstellung zumindest teilweise geschlossener Profile oder Halbzeuge aus einer Platine Apparatus and method for producing at least partially closed profiles or semi-finished products from a board |
| 05/25/2011 | EP1792669B1 Punch device for u-press in uoe steel tube manufacturing process |
| 05/25/2011 | CN201841182U Forming roll angle display instrument of spiral welded pipe |
| 05/25/2011 | CN201841176U Manufacturing equipment of wire-wound delivery pipe body |
| 05/25/2011 | CN102076439A Process for manufacturing elongated tube and use of same |
| 05/25/2011 | CN102072598A Air-returning pipe component and manufacturing method |
| 05/25/2011 | CN102069105A Method and device for producing outer finned tube |
| 05/25/2011 | CN102069104A Method for producing seamless steel tube for big-caliber long tube air bottle in hot rolling mode |
| 05/25/2011 | CN102069103A Plastic processing method for magnesium alloy capillary tube |
| 05/25/2011 | CN102069102A Method for molding and manufacturing metal pipe |
| 05/25/2011 | CN101665966B Electroplating preparation method of copper-clad aluminium bars |
| 05/25/2011 | CN101517113B Bend pipe and process for producing the same |
| 05/25/2011 | CN101065633B Tube made of a profile rolled metal product and method of producing the same |
| 05/24/2011 | US7946036 Method of manufacturing a manifold for a heat exchanger |
| 05/19/2011 | DE102009053579A1 Flachrohr mit Turbulenzeinlage für einen Wärmetauscher, Wärmetauscher mit derartigen Flachrohren, sowie Verfahren und Vorrichtung zur Herstellung eines derartigen Flachrohres Flat tube with turbulence insert for a heat exchanger, the heat exchanger having such flat tubes, and method and apparatus for producing such a flat tube |
| 05/18/2011 | EP2322295A2 Metal manufacturing method, apparatus of the same and metal object |
| 05/18/2011 | EP2321085A1 Method of manufacture through the welding of finned tubes with cooled guide discs onto a tubular body set into rotational motion |
| 05/18/2011 | EP1541252B1 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe |
| 05/18/2011 | CN201832862U Forming device for manufacturing aluminum foil pipe |
| 05/18/2011 | CN201832859U Spiral tube one-step forming mould |
| 05/18/2011 | CN102061416A Method for preparing indium alloy plate |
| 05/18/2011 | CN102059273A Elliptical duct manufacturing machine |
| 05/18/2011 | CN102059272A Method for horizontal continuous casting, Pilger rolling and continuous drawing of copper alloy condenser tube |
| 05/18/2011 | CN102059271A Manufacture method of seamless steel tube for (ultra-)supercritical boiler |
| 05/18/2011 | CN102059270A Method for producing multi-purpose deformed channel steel |
| 05/18/2011 | CN101623714B Production method of hot-rolled structural steel for clad layer with yield strength of 460MPa |
| 05/12/2011 | DE102009051280A1 Length-wise closed semi-finished flat tube for segmentation in finished flat tube for heat exchanger of heating- or air conditioning system of motor vehicle, has impression-free section arranged at both tube ends |
| 05/12/2011 | DE102008027807B4 Verfahren zum Herstellen eines großen Stahlrohres A method for producing a large steel pipe |
| 05/11/2011 | CN201823781U Novel reducing joint manufacturing device |
| 05/11/2011 | CN201823780U Automatic expansion pipe forming device |
| 05/11/2011 | CN201823779U Production device of package box steel strip |
| 05/11/2011 | CN102057070A Steel plate excellent in sour resistance and steel pipe for linepipes |
| 05/11/2011 | CN102056687A Method for producing a large steel tube |
| 05/11/2011 | CN102049429A JCOE forming machine master cylinder installation method |
| 05/11/2011 | CN102049428A Method for manufacturing metal composite pipe |
| 05/11/2011 | CN102049427A Method for processing phi 2.40 mm HT tempered tire bead wires |
| 05/11/2011 | CN101690958B Multi-head overlong spiral tube molding machine |
| 05/11/2011 | CN101618409B Steel coil transportation and overturning device |
| 05/11/2011 | CN101497082B Method for preparing TiAl-based composite material sheet material |
| 05/10/2011 | CA2644176C A mechanical pipe-end expander and a method of manufacturing seamless steel pipe |
| 05/05/2011 | WO2011051496A1 Method for producing a hollow body |
| 05/05/2011 | WO2011051263A1 Apparatus for manufacturing a multilayer tube for the hydraulic connection and wiring of solar panels |
| 05/05/2011 | WO2011050764A1 Method for producing welded helical-seam tubes having optimized tube geometry |
| 05/05/2011 | DE102009051695B3 Verfahren und Einrichtung zur Herstellung geschweißter Schraubennahtrohre mit optimierter Rohrgeometrie Method and apparatus for the production of welded pipes helical-seam pipe with optimized geometry |
| 05/05/2011 | CA2779335A1 Apparatus for manufacturing a multilayer tube for the hydraulic connection and wiring of solar panels |
| 05/05/2011 | CA2777879A1 Method for producing welded helical seam tubes with optimized tube geometry |
| 05/04/2011 | CN201815558U Cold extruding die of double-end pipe joint |
| 05/04/2011 | CN102046306A Seat frame - tailored tubes |
| 05/04/2011 | CN102039328A Heated mould continuous casting-continuous drawing method of cupronickel alloy condenser pipes |
| 05/04/2011 | CN102039326A Method for preparing bimetallic seamless steel pipe for alkali recovery boiler |
| 05/04/2011 | CN101708510B Processing technology for processing high-purity high-conductivity oxygen-free copper bar |
| 05/04/2011 | CN101607279B Multi-location cold-extrusion molding method of tube blank of hit anchor |
| 05/04/2011 | CN101602079B Method for manufacturing wear-resistant steel pipe by using hot-rolling coiled plate |
| 05/04/2011 | CN101554672B Detection and control system for container corrugated plate welding track based on laser ranging |
| 05/03/2011 | US7934304 Method of manufacturing lined tubing |
| 04/28/2011 | WO2011048274A1 Method for producing high-strength steel product and steel product |
| 04/28/2011 | DE10151816B4 Hülsenförmige Druck- oder Übertragungsform und Gerät zum Anfasen der Längenenden einer hülsenförmigen Druck- oder Übertragungsform Sleeve-shaped printing or transfer form and apparatus for beveling the ends of a length sleeve-shaped printing or transfer form |
| 04/27/2011 | EP2313214A2 Improved headline sonar cable |
| 04/27/2011 | EP1755801B1 A device and a method for shaping and quenching a beam |
| 04/27/2011 | CN201807643U Novel multi-functional bending machine |
| 04/27/2011 | CN201807624U Continuous composite forming device for copper-aluminum composite plate |
| 04/27/2011 | CN102031412A CuAlMn low-temperature memory alloy wire processing method |
| 04/27/2011 | CN102029307A Production process for zinc cladding steel for cable self-supporting wire |
| 04/27/2011 | CN102029306A Method for manufacturing copper zinc alloy wire |
| 04/27/2011 | CN102029305A Production method of ultra-thick steel plate |
| 04/27/2011 | CN102029304A Molding technique of square-tube supporting bridge with large wall thickness and large overall dimension for automobile |
| 04/26/2011 | US7930826 Method for manufacturing a fastening portion for a steering apparatus |
| 04/26/2011 | CA2520912C Ultrasonic energy system and method including a ceramic horn |
| 04/21/2011 | US20110089682 Method for manufacturing a wall connector |
| 04/20/2011 | CN201799475U Die for aluminum tubes with spiral welded joints by hot extrusion |
| 04/20/2011 | CN102022945A Special heat exchange tube with straight tube section and online tube machining process thereof |
| 04/20/2011 | CN102022944A Special heat exchange tube and online tube machining process thereof |
| 04/20/2011 | CN102021476A Low-cost acid resistant pipeline steel hot-rolled plate and manufacturing method thereof |
| 04/20/2011 | CN101722209B Preparation method of large slenderness ratio and high-toughness magnesium alloy capillary |
| 04/20/2011 | CN101508058B Galvanized steel sheet lap-over laser welding method |
| 04/19/2011 | US7926160 Method of forming a lined tubular member |
| 04/14/2011 | WO2011042936A1 High-strength steel pipe, steel plate for high-strength steel pipe, and processes for producing these |
| 04/13/2011 | EP2307153A1 Process for the manufacture of an elongated tube and use of the tube |
| 04/13/2011 | EP2094432B1 Wire feedstock and process for producing the same |
| 04/13/2011 | CN102015141A Supporting core for producing hollow profiled elements |
| 04/13/2011 | CN102015139A Flat tube and production method |
| 04/13/2011 | CN102009225A Flying shear assembly of spiral duct forming machine host |
| 04/13/2011 | CN102009083A Efficient hydraulic elbow forming machine for air ducts |
| 04/13/2011 | CN102009082A Forming device for manufacturing aluminum foil pipe |
| 04/13/2011 | CN102009081A Spiral air duct forming machine with discharge table |