| 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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| 05/20/2009 | CN101437632A Procedure for manufacture of a tube for conveyance of a fluid of a heat exchanger, and tube obtained by such procedure |
| 05/20/2009 | CN101435671A Heat transfer tube and method of and tool for manufacturing the same |
| 05/20/2009 | CN101433925A Method for coiling sleeve |
| 05/14/2009 | WO2009061566A1 Aluminum foil based hose |
| 05/13/2009 | EP2056977A1 Methods and systems for reducing tensile residual stresses in compressed tubing and metal tubing products produced from same |
| 05/13/2009 | EP2056976A1 Method for manufacturing a heat exchanger tube |
| 05/13/2009 | CN201235375Y Loop of pipe-welding machine |
| 05/13/2009 | CN201235374Y Main wheel apparatus of straight welded pipe machine |
| 05/13/2009 | CN101428305A Process for manufacturing copper iron alloy plate (row, stick, tube) |
| 05/13/2009 | CN101428304A Process for manufacturing silver copper plate (row, stick, tube) |
| 05/12/2009 | US7530252 Method and apparatus for working tube |
| 05/12/2009 | CA2352086C Roll-forming machine with adjustable compression |
| 05/07/2009 | WO2009057830A1 Welded state monitoring device and method |
| 05/07/2009 | DE102007054523A1 Entgratwerkzeug Deburring |
| 05/07/2009 | CA2703892A1 System and method for monitoring of welding state |
| 05/06/2009 | EP2055335A2 Method of making a needle and a needle |
| 05/06/2009 | EP1848866A4 A reinforcing bar |
| 05/06/2009 | EP1385654B1 Hollow construction element and method of producing |
| 05/06/2009 | CN201233528Y Closing force control device for closing welding machine |
| 05/06/2009 | CN201231393Y In-phase clamping mechanism of welding device for closing conical tube |
| 05/06/2009 | CN201231392Y Spiral coil welding backing-up roll |
| 05/06/2009 | CN201231261Y Main driving mechanism of conical tube closing welding machine |
| 04/30/2009 | US20090110950 Sheet metal part, in particular of an exhaust gas system |
| 04/30/2009 | US20090107553 Highly abrasion-resistant terionomer pipe |
| 04/29/2009 | EP1979105B1 Method of optimally dimensioning the heat transfer tubes in waste heat boilers |
| 04/29/2009 | CN101421437A Continuously manufactured colored metallic products and method of manufacturing of such products |
| 04/29/2009 | CN101420153A Rotor hub, spindle motor and hard disk driver |
| 04/29/2009 | CN101417296A Manufacture method of large caliber high steel grade corrosion proof seamless steel tube in diameter phi 219.0-460.0mm |
| 04/29/2009 | CN100482970C Cylindrical bearing member and method and apparatus for manufacturing same |
| 04/23/2009 | WO2009050559A1 Apparatus for reducing a weld bead |
| 04/23/2009 | WO2009050270A1 Process and apparatus for producing a hollow body, and hollow body |
| 04/23/2009 | WO2009049397A1 Heat management device using inorganic foam |
| 04/23/2009 | DE202009002719U1 Entgrat-Werkzeug zur Rohr-Entgratung Deburring tool for pipe deburring |
| 04/23/2009 | CA2702997A1 Heat management device using inorganic foam |
| 04/22/2009 | EP2050833A1 High-tension welded steel pipe for automotive structural member and process for producing the same |
| 04/22/2009 | EP1879707B1 Guiding and shaping system |
| 04/22/2009 | CN101412048A Processing method for rolling flat, pulling square and aligning circular material |
| 04/22/2009 | CN101412047A Technique for producing copper-clad aluminium composite tube or stick |
| 04/22/2009 | CN100480426C Oil tempered steel wire excellent in coiling workability and method for production thereof |
| 04/21/2009 | US7520943 Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness |
| 04/16/2009 | US20090099535 Disposable Needle for Syringes and Infusions and the Manufacture Thereof |
| 04/16/2009 | US20090095044 Method for prolonging service life of a machine for bending tubes |
| 04/15/2009 | EP2047941A1 Method for the strengthening of a welded connexion, and/or for the increase of tolerance of a welded connexion in relation to fatigue load ; Element for a tower of a wind turbine ; Tower of a wind turbine and wind turbine |
| 04/15/2009 | EP2047922A1 Sheet metal element, in particular as half-finished product, for the construction of rail vehicles and method of manufacturing an area element from same |
| 04/15/2009 | CN101406908A Method for processing cold-bending welding square quarter bend with punched hole |
| 04/15/2009 | CN100479070C Method for producing (Nb,Ti)3Sn wire by use of Ti source rods |
| 04/09/2009 | WO2005046896A3 Continuously manufactured colored metallic products and method of manufacturing of such products |
| 04/08/2009 | EP2045348A1 Bend pipe and process for producing the same |
| 04/08/2009 | EP1922159B1 Method and apparatus for shaping various cross-sections on metal pipes |
| 04/08/2009 | CN201217022Y Impedor apparatus for removing burr in straight-line joint welded pipe on-line |
| 04/08/2009 | CN100476030C Surface-coating electromagnetic steel sheet for bonding |
| 04/08/2009 | CN100475372C Method for producing metal fibers |
| 04/07/2009 | US7514175 Anode can for battery and manufacturing method thereof |
| 04/02/2009 | WO2009021838A3 Method for producing partially reinforced hollow profiles |
| 04/02/2009 | US20090088278 Annular metal cord, endless metal belt, and annular metal cord manufacturing method |
| 03/26/2009 | US20090082117 Hollow power transmission shaft and method of manufacturing the same |
| 03/25/2009 | EP2039793A1 High-strength steel pipe with excellent unsusceptibility to strain aging for line piping, high-strength steel plate for line piping, and processes for producing these |
| 03/25/2009 | EP2039441A1 Apparatus for manufacturing seam-welded pipe excelling in welded portion characteristic |
| 03/25/2009 | CN101394952A Mechanical expander and production method for seamless steel pipe |
| 03/24/2009 | US7506528 Head tube for bicycle frame |
| 03/19/2009 | WO2009035425A1 Process for producing copper-brazed double wall steel tubes by means of long cooling line annealing method |
| 03/19/2009 | WO2009034155A1 Mobile unit for the construction of elongated tubular bodies |
| 03/19/2009 | WO2009033319A1 A wrapped tube forming roller group |
| 03/19/2009 | WO2009033316A1 Guiding and scraping edge device for copper strip |
| 03/19/2009 | WO2009033314A1 A stable welding seam device |
| 03/19/2009 | CA2699249A1 Process for producing copper-brazed double wall steel tubes by means of long cooling line annealing method |
| 03/19/2009 | CA2699037A1 Mobile unit for the construction of elongated tubular bodies |
| 03/18/2009 | CN101386041A Cold roll forming technique of large-sized curve type steel tube |
| 03/18/2009 | CN101386040A Internal support side roller device for forming the steel tube |
| 03/18/2009 | CN101386039A Steel plate pressure head rolling method |
| 03/18/2009 | CN101386038A Manufacture method of seamless tube line steel tube for X52 steel grade low temperature |
| 03/18/2009 | CN101386037A Treatment technique of 1010 steel for bearing ring |
| 03/18/2009 | CN100470187C Method for determining the wall thickness of a metal tube |
| 03/18/2009 | CN100469482C Tube, tubr making method and device |
| 03/12/2009 | US20090068557 Battery Can and Method of Manufacturing the Same |
| 03/11/2009 | CN101381827A Rolling aluminium alloy sheet and method for producing diamond plate and mirror surface board thereof |
| 03/11/2009 | CN101380650A Method for attaching a sensor at an exhaust gas treating device |
| 03/11/2009 | CN101380649A High precision steel tube manufacture technique and system |
| 03/10/2009 | CA2469192C Method and apparatus for changing the rolls of a tube-welding system |
| 03/05/2009 | WO2008154388A3 Use of low impact expansion to reduce flow friction |
| 03/05/2009 | US20090056405 Method of machining metallic tubes |
| 03/05/2009 | DE102005057424B4 Verfahren und Vorrichtung zum kernlosen Einformen von Hohlprofilen Method and device for coreless molding of hollow profiles |
| 03/04/2009 | EP2030701A1 Tool and method for producing a hollow body |
| 03/04/2009 | EP2000247A9 Method of producing seam-welded pipe having good welded portion characteristics |
| 03/04/2009 | EP1846628A4 A method and apparatus for forming metal reinforcing |
| 03/04/2009 | CN101376144A Machine for processing conical steel pipe |
| 03/04/2009 | CN101376143A Novel acid cleaning-free take-up winder |
| 03/04/2009 | CN100464893C A metal tubular body and a manufacturing method thereof |
| 02/28/2009 | CA2638638A1 Equipment and method for making a needle-fin tube, and a needle-fin tube |
| 02/26/2009 | WO2009023973A1 Apparatus and process for shaping a tube from a metal sheet |
| 02/26/2009 | US20090053549 excellent in mechanical strength, thermoconductivity, and formability into corrugated fins while thinning; on the surface layer of the fin plane has the recrystallized grains with a length of 10 mm or more, in a direction rolled; used for automobile heat exchangers, such as radiators |
| 02/26/2009 | DE102007039320A1 Pipe producing method for use as chassis component in automotive industry, involves pressing sheet metal plate under deformation into U-shaped profile, and providing U-shaped profile with patterns during deformation of sheet metal plate |
| 02/25/2009 | EP2027949A1 Improved method and tool for producing convoluted tubes applicable to steering columns and universal joints |
| 02/25/2009 | EP2026919A1 Tubular members and methods of forming same |
| 02/25/2009 | CN201198931Y Steel plastic composite spiral pipe winding machine |
| 02/25/2009 | CN101372020A Method for preparing U-shaped seamless steel pipe of high-pressure feedwater heater |
| 02/25/2009 | CN100463770C Process for producing double-layer wrapped welding tube used for connecting indoor/outdoor units of air conditioner |
| 02/19/2009 | WO2009021838A2 Method for producing partially reinforced hollow profiles |
| 02/19/2009 | US20090048031 Heat-Resistant Drive Shaft Damper Having Improved Dampening Performance |
| 02/19/2009 | US20090047539 Surface-treated electro-deposited copper foil and method for manufacturing the same |