| 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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| 12/10/2009 | WO2009149177A1 Seat frame - tailored tubes |
| 12/10/2009 | WO2009148193A1 Steel plate excellent in sour resistance and steel pipe for linepipes |
| 12/10/2009 | WO2009146838A1 Method for producing a large steel tube |
| 12/10/2009 | DE102008027807A1 Verfahren zum Herstellen von Stahlrohren A method of producing steel pipes |
| 12/10/2009 | CA2726132A1 Method for producing a large steel tube |
| 12/09/2009 | EP2130937A1 High-strength welded steel pipe having weld metal excelling in low-temperature cracking resistance and process for manufacturing the same |
| 12/09/2009 | EP2129485A1 A method of welding duplex stainless steel strip for the production of an armouring layer of a flexible pipe |
| 12/09/2009 | CN101600523A Method for producing flat tubes, rolling mill and heat exchanger comprising said flat tubes |
| 12/09/2009 | CN100566872C Method for Manufacturing helix composite steel tube |
| 12/09/2009 | CN100566871C Method of processing metal |
| 12/06/2009 | CA2667860A1 Method of forming, inserting, and permanently bonding ribs in boiler tubes |
| 12/03/2009 | US20090293981 Multi-layer pipe and method for its manufacture |
| 12/03/2009 | US20090293674 Wire for refining molten metal and associated method of manufacture |
| 12/03/2009 | US20090293579 Net-shaped duct forming apparatus and method |
| 12/03/2009 | DE102008024009A1 Longitudinally welded multilayer pipe for use in oil industry, particularly petrochemical industry and for constructing large buildings, has fixed, pressure-resistant top layer and thin, corrosion resistant inner layer |
| 12/02/2009 | EP2128305A1 Metallic compound wire with at least two metallic layers |
| 12/02/2009 | CN101590495A Method for preparing particle reinforced aluminum-matrix steel-backed composite board |
| 12/02/2009 | CN101590494A Method for producing stainless steel tank |
| 12/01/2009 | US7626139 Method for manufacturing seamed flux-cored welding wire |
| 11/26/2009 | WO2009142766A2 Improved headline sonar cable |
| 11/26/2009 | WO2009110707A3 Double layer elbow production method and apparatus |
| 11/26/2009 | US20090288512 Knob securement means for a control device |
| 11/26/2009 | US20090288467 Multi-layer pipe and method for its manufacture |
| 11/25/2009 | EP2124126A2 Rotating knob locking mechanism |
| 11/25/2009 | EP2123389A1 Seam-welded steel pipe manufacturing method and its manufacturing apparatus |
| 11/25/2009 | CN201350467Y Spiral duct machine |
| 11/25/2009 | CN201350466Y Filter casing stretching automatic material pick-off machine |
| 11/25/2009 | CN101585054A Curling process of hydrogenation reaction kettle barrel |
| 11/24/2009 | US7621167 Method of forming a rotary device |
| 11/19/2009 | US20090285350 Multi-layer fuel channel and method of fabricating the same |
| 11/19/2009 | DE102008033449B3 Verfahren zur Herstellung von Rippenrohren A process for the production of ribbed pipes |
| 11/18/2009 | EP2117742A1 Method for producing flat tubes, rolling mill and heat exchanger comprising said flat tubes |
| 11/18/2009 | CN101579703A New technique for manufacturing high alloy steel seamless pipe with heavy calibre by adopting pilger mill |
| 11/18/2009 | CN101579702A New technique for producing high alloy steel high-end pipe by adopting cross rolling elongation technology |
| 11/18/2009 | CN101579701A Preparation process of copper pipe material for electronic thermotubes |
| 11/18/2009 | CN101579700A Manufacturing method for ultra-long and ultra-thick circular plate |
| 11/17/2009 | US7619750 Measurement method and device for bead cutting shape in electric resistance welded pipes |
| 11/17/2009 | US7618525 Method for electrochemical fabrication |
| 11/12/2009 | WO2009135796A1 Supporting core for producing hollow profiled elements |
| 11/12/2009 | US20090277879 Guiding and shaping system |
| 11/11/2009 | EP2116751A1 Equipment and method for manufacturing steel-plastic composite pipe |
| 11/11/2009 | EP2116623A1 Electric resistance welded steel pipe prior to heat treatment and process for manufacturing the same |
| 11/11/2009 | EP1981662B1 Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it |
| 11/11/2009 | CN201342434Y Open-type molding device with built-in stainless-steel bimetallic screw composite tube |
| 11/11/2009 | CN100558480C Apparatus and method for manufacturing spiral duct |
| 11/10/2009 | US7615124 Plating coating is intimately bonded, by high pressure, to a core made of hardenable steel with moderate mechanical properties, and then the plated wire undergoes a rapid high-temperature hardening step followed by tempering; corrosion resistance, strength; wound armor wires |
| 11/10/2009 | CA2538112C Multi-layer screen and downhole completion method |
| 11/05/2009 | US20090272469 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 |
| 11/05/2009 | US20090272164 Tube making machine with diameter control and method |
| 11/03/2009 | CA2581071C Method for fabricating thin californium-containing radioactive source wires |
| 10/29/2009 | WO2009131763A1 Method and device for the manufacture of multiple grooved wire |
| 10/29/2009 | CA2719695A1 Method and device for the manufacture of multiple grooved wire |
| 10/28/2009 | EP1606546B1 Tube provided with a partition |
| 10/28/2009 | CN201333468Y Device for adjusting grammage of internal thread copper pipe on line |
| 10/28/2009 | CN101564739A Pipe rolling technique for pressure head material-free steel pipe |
| 10/28/2009 | CN101564738A Machining process of directly pulling steel round rope into flat rope |
| 10/27/2009 | US7607333 Helical groove for a tubular connection |
| 10/27/2009 | CA2352788C Field replaceable helical flight |
| 10/22/2009 | WO2009128824A1 Tube with fins having wings |
| 10/22/2009 | WO2009080348A4 Method of manufacturing a member of a wheelchair frame, tool for use in such a method and wheelchair frame |
| 10/21/2009 | CN101559447A Thin wall pipe connector and processing method thereof |
| 10/21/2009 | CN101559446A Method for preparing welded stainless steel pipe of boiler |
| 10/21/2009 | CN100551599C Process for the continuous production of longitudinally welded metal tubes |
| 10/20/2009 | US7603883 Method of drawing a ceramic |
| 10/15/2009 | WO2009125863A1 High-strength steel plate excellent in low-temperature toughness, steel pipe, and processes for production of both |
| 10/15/2009 | US20090255275 Method for improving residual stress in pipe and apparatus |
| 10/14/2009 | EP2108757A1 Fitting angle for facade elements and method for its manufacture |
| 10/14/2009 | EP2108756A1 Fitting board for attaching a fitting angle for facade elements |
| 10/14/2009 | CN201324765Y Internal expanded pipe spreader |
| 10/14/2009 | CN201324764Y Machine unit for welding titanium steel tube with accurate plasma |
| 10/14/2009 | CN101554672A Detection and control system for container corrugated plate welding track based on laser ranging |
| 10/13/2009 | US7600406 Apparatus for rectifying round pipe and tubing |
| 10/08/2009 | WO2009123330A1 Welded steel pipe welded with a high energy density beam, and a manufacturing method therefor |
| 10/08/2009 | WO2009098376A3 Front filtration using an assembly of segments of sintered metal tubes |
| 10/07/2009 | CN101549364A Method of using hot tandem rolling broad strip mill to produce steel plate for ship hull structure use |
| 10/07/2009 | CN100547105C X80 steel bend pipe and bending technique thereof |
| 10/06/2009 | US7596848 Method for producing bimetallic line pipe |
| 10/06/2009 | CA2313621C Metallic fabric and manufacturing process of a hollow body made of a metallic fabric |
| 10/01/2009 | WO2009119570A1 Uoe steel tube for linepipes and process for production thereof |
| 10/01/2009 | US20090242180 Tube assembly for heat exchanger |
| 09/30/2009 | EP2105513A1 Weld steel pipe with excellent low-temperature toughness for high-strength thick-walled line pipe and process for producing the same |
| 09/30/2009 | EP2105218A1 Embossed pipe |
| 09/30/2009 | EP2104577A1 Apparatus and method for extruding micro-channel tubes |
| 09/30/2009 | CN101543848A Processes for textured pipe manufacturer |
| 09/30/2009 | CN101543847A Preparation method of non-gel ultra-thin stainless steel composite tube |
| 09/24/2009 | WO2009043530A3 Method for producing pipe-in-pipe systems |
| 09/24/2009 | US20090235506 Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock |
| 09/23/2009 | EP1954420B1 Method and device for the coreless forming of hollow profiles |
| 09/23/2009 | CN101538913A Hidden-buckle overhand ribbed cold-bending thin-wall steel pipe concrete and preparation method thereof |
| 09/23/2009 | CN101537441A Microgrooves as wick structures in heat pipes and method for fabricating the same |
| 09/23/2009 | CN101537440A Method for preparing tungsten-copper alloy wires by utilizing hot-swage technology |
| 09/23/2009 | CN101537439A Preparation process of high-performance and high accuracy rods and bars of biological titanium alloy |
| 09/22/2009 | US7591914 High-workability steel pipe and method of producing same |
| 09/17/2009 | WO2009113720A1 Apparatus for cutting a bead on inner surface of electric-resistance-welded steel pipe |
| 09/17/2009 | WO2009075525A3 Field-assemblable apparatus for manufacturing steel pipes |
| 09/17/2009 | US20090232428 Texturing of the seal surface for a roller cone rock bit |
| 09/17/2009 | DE102008013369A1 Method for producing belt pretensioner tube, involves increasing wall thickness of output pipe within range of pipe end before producing recess, where recess is produced with help of enlarge spike in one shaping stroke |
| 09/16/2009 | EP2100674A1 Machine for laminating the weld bead of a continuously welded pipe, comprising a mandrel controlled by electromagnetic means |
| 09/16/2009 | CN101530870A New method for preparing copper-aluminum composite pipe |
| 09/16/2009 | CN101530869A Process for manufacturing stainless-steel seamless steel pipe used for high-pressure boiler, boiler and heat-exchanger |