| 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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| 08/27/2008 | EP1961500A1 Improved system for manufacturing welded pipes of different diameters |
| 08/27/2008 | CN201105372Y Round material flat-rolling square-drawing straightening device |
| 08/27/2008 | CN201105293Y Coiling equipment directly coiling metal flange by strip steel |
| 08/27/2008 | CN201105292Y Weld-position controllable forming machine for high-frequency dielectric welding shaped tube |
| 08/27/2008 | CN101249575A Cut-off machine of helical gas pipe forming machines |
| 08/27/2008 | CN101249533A Helical gas pipe forming machines |
| 08/27/2008 | CN101249532A Machine frame of helical gas pipe forming machines |
| 08/27/2008 | CN101249531A Material discharging rack of helical gas pipe forming machines |
| 08/27/2008 | CN101249530A Mould rack of helical gas pipe forming machines |
| 08/27/2008 | CN101249529A Coupling forming machine group of helical gas pipe forming machines |
| 08/27/2008 | CN101249528A Discharge rack of helical gas pipe forming machines |
| 08/27/2008 | CN101249527A Connecting structure for connecting machine frame of helical mash gas pipe forming machines to material discharging rack |
| 08/27/2008 | CN101249526A Copper covered aluminum wire forming technique |
| 08/21/2008 | WO2008099943A1 Seam-welded steel pipe manufacturing method and its manufacturing apparatus |
| 08/21/2008 | US20080196230 Apparatus and method for forming a tube with a tetragonal cross-section, having a reinforced end |
| 08/21/2008 | CA2677770A1 Method and equipment for manufacturing electric resistance welded steel pipe |
| 08/20/2008 | CN101244435A Technique for producing high-carbon steel wire bar |
| 08/19/2008 | CA2299936C Bent pipe for passing therethrough a material containing solids |
| 08/14/2008 | US20080190165 Hollow Power Transmission Shaft |
| 08/13/2008 | EP1955975A1 Telescopic boom |
| 08/13/2008 | EP1954420A1 Method and device for the coreless forming of hollow profiles |
| 08/13/2008 | EP1954415A1 Hollow bar manufacturing process |
| 08/13/2008 | CN201098778Y Universal aperture angle adjusting guiding device |
| 08/13/2008 | CN201098703Y Composite stainless steel tube coating die |
| 08/13/2008 | CN101239361A Manufacturing and processing method of D-type copper pipe |
| 08/07/2008 | WO2008092563A1 Method for producing flat tubes, rolling mill and heat exchanger comprising said flat tubes |
| 08/07/2008 | DE102007004993A1 Herstellungsverfahren für Flachrohre und Walzenstraße Manufacturing process for flat tubes and rolling mill |
| 08/06/2008 | CN101234402A Method for processing thin wall weldless steel tube |
| 07/31/2008 | US20080183271 Compliant crimping sheath |
| 07/31/2008 | US20080179279 Method for Electrochemical Fabrication |
| 07/31/2008 | US20080178467 Welding arrangement for vehicle body panels |
| 07/31/2008 | DE102005050198B4 Verfahren zur Herstellung von Bauteilen mit partiellen Verstärkungselementen A method for producing components with partial reinforcement elements |
| 07/29/2008 | US7404308 Apparatus for producing helically corrugated metal pipe and related method |
| 07/29/2008 | US7404244 Converting twist-lock tube sheet filter orifices to snap-band orifices |
| 07/23/2008 | EP1945386A2 Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock |
| 07/23/2008 | EP1945385A1 Tube |
| 07/23/2008 | CN201089085Y Multiple circle-curling spot welder |
| 07/23/2008 | CN100404155C Process for the return extrusion of internal profiles |
| 07/17/2008 | US20080171220 a copper clad laminate coated with copper foils of different thicknesses on both sides, a first copper foil on one side of the laminate is not recrystallizable by hot pressing and a second foil on the other side is recrystallizable by the hot pressing and thicker than the first foil; reduce warping |
| 07/16/2008 | EP1293580B1 High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same |
| 07/16/2008 | CN201086194Y N-joining high speed welding machine for lighting lamp lever |
| 07/16/2008 | CN101223021A Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 07/10/2008 | US20080167679 Cage and Sleeve Assembly for a Filtering Device |
| 07/10/2008 | US20080165485 Cold worked metal housing for a portable electronic device |
| 07/10/2008 | US20080164065 Construction of a Tubular at a Downhole Location |
| 07/10/2008 | US20080163663 Compact tube with internal features and methods for fabricating the same |
| 07/10/2008 | DE19704300B4 Verfahren zur Herstellung von Platinen mit unterschiedlichen Dicken A process for the production of boards with different thicknesses |
| 07/10/2008 | DE10350885B4 Verfahren zum Herstellen eines warmgeformten und werkzeuggehärteten Formbauteils A method for producing a thermoformed shape and hardened tool component |
| 07/10/2008 | DE10303853B4 Verfahren zur Herstellung einer zusammengesetzten Metall-Leitung für unter Hochdruck stehenden Kraftstoff sowie eine danach hergestellte zusammengesetzte Metall-Leitung A process for producing a composite metal pipe for fuel under high pressure and a composite metal pipe produced thereby |
| 07/10/2008 | DE10018382B4 Flexibles Rohr für ein Endoskop Flexible tube for an endoscope |
| 07/09/2008 | EP1941956A1 Bending press for bending a plate in the manufacture of a pipe |
| 07/09/2008 | EP1941955A1 Method of correcting metal tube and correcting press metal die |
| 07/09/2008 | EP1941954A1 Folded condenser tube and method of making same |
| 07/09/2008 | EP1807226B1 Method and bending press for bending the boundary edge of a sheet for shaping into an open seam tube |
| 07/09/2008 | EP1013819B1 Method of manufacturing a steel wire |
| 07/09/2008 | CN101214513A Method for producing aluminum alloy conical pipe |
| 07/09/2008 | CN101214512A Technique for processing copper pipe for high-precision magnetic controlled anode barrel |
| 07/09/2008 | CN101214511A Large straight-line joint submerged arc welding tube fast production process |
| 07/09/2008 | CN100400699C Method for preparing 300MPa grade and isotropous AZ31 magnesium alloy sheet |
| 07/09/2008 | CN100400190C Preform, hydroforming method, and hydroformed product |
| 07/08/2008 | CA2359294C Process for manufacturing a cylindrical hollow body and hollow body made thereby |
| 07/03/2008 | WO2008077163A1 Moulded part and method for producing such a moulded part |
| 07/03/2008 | US20080156059 Method of drawing a ceranic |
| 07/03/2008 | US20080156055 Method for joining electrical conductors by magnetostriction and magnetostriction-generating device |
| 06/26/2008 | WO2008076967A1 Wire feedstock and process for producing the same |
| 06/26/2008 | WO2008021371A3 Metal cladding composition, additive, method and system |
| 06/26/2008 | US20080148797 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 06/25/2008 | EP1935998A1 Aluminum alloy tube and aluminum alloy structural member for automobile using the same |
| 06/25/2008 | EP1933996A1 Method for manufacturing a calibrated component, in particular for an exhaust-gas system of a motor vehicle, and component for an exhaust-gas system |
| 06/25/2008 | CN201076876Y Plate casting machine having shaping function |
| 06/25/2008 | CN101205593A X80 steel bend pipe and bending technique thereof |
| 06/25/2008 | CN101204720A Manufacture method of X80 pipeline JCOE direct sew submerged arc welding tube |
| 06/19/2008 | WO2008073473A1 Apparatus and method for extruding micro-channel tubes |
| 06/19/2008 | WO2008041195A3 Process for producing heat exchanger tubes and heat exchanger tubes |
| 06/19/2008 | DE102006059609A1 Production method for tubes, especially for heat exchangers, entails carrying out forming process which is located before separating operation at predetermined positions of joined tube, which makes tube ends conical |
| 06/19/2008 | DE102005052178B4 Verfahren zum Herstellen eines nahtlos warmgefertigten Stahlrohres A method for manufacturing a seamless hot rolled steel tube |
| 06/19/2008 | CA2672098A1 Micro-channel tubes and apparatus and method for forming micro-channel tubes |
| 06/18/2008 | EP1932602A1 Method and pre-processed pipe for manufacturing a pipe with a bend or a traverse curve |
| 06/18/2008 | CN100395047C Tubular metal body and method of producing same |
| 06/17/2008 | CA2380634C Method and device for forming conical tube casings |
| 06/12/2008 | WO2008069335A1 Weld steel pipe with excellent low-temperature toughness for high-strength thick-walled line pipe and process for producing the same |
| 06/12/2008 | WO2008069289A1 Weld steel pipe with excellent low-temperature toughness for high-strength line pipe and process for producing the same |
| 06/12/2008 | WO2008004108A3 Pinch-point lock-seam tubing, pinch point seaming devices, and methods for manufacturing stabilized lock-seam tubing |
| 06/12/2008 | US20080135157 Manufacture of Reinforced Tubular Products of Predetermined Length |
| 06/12/2008 | US20080135139 High ductility, high hot tensile strength tungsten wire and method of manufacture |
| 06/12/2008 | DE102006058218A1 Verfahren und vorbearbeitetes Rohr zum Herstellen eines Rohrs mit abknickendem Verlauf oder mit als Polygonzug ausgeführter Biegung Procedures and pre-processed tube for producing a pipe with abknickendem course or exported as a polygon bend |
| 06/11/2008 | EP1699578B1 Method for producing a sleeve-shaped housing made of a number of flat metal sheets |
| 06/11/2008 | CN201070643Y Tube for ornament processing equipment |
| 06/11/2008 | CN101195201A Direct forming technique for special pipe special for electric power plant and shaping machine group |
| 06/11/2008 | CN101195134A Method for the production of heat-exchange tubes |
| 06/05/2008 | US20080127704 Hollow stepped shaft and method of forming the same |
| 06/04/2008 | EP1927419A1 Grid comprising netted wires having a thick tinning |
| 06/04/2008 | EP1926583A1 Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 06/04/2008 | EP1926565A1 Method and device for the production of hollow profiled elements |
| 06/04/2008 | CN101190489A Method for processing galvanized welded pipe for low pressure fluid convey |
| 06/03/2008 | US7381476 Structural element having a metal wall of generally tubular shape |
| 06/03/2008 | CA2332191C Process for the continuous production of longitudinally seam-welded and corrugated metal tubes |
| 05/29/2008 | US20080121618 Method of Electrochemical Fabrication |
| 05/28/2008 | EP1324879B1 Metallurgically bonded layered article having a curved surface |
| 05/28/2008 | EP0968083B1 Constrained filament electrolytic anode and process of fabrication |