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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02/24/2004 | US6694616 Method of forming T-connectors |
02/19/2004 | WO2004014578A1 Bundle draw based processing of nanofibers and method of making |
02/19/2004 | US20040031309 Method and a device for manufacturing of a closed profile and a profile manufactured according to said method |
02/19/2004 | DE10236281A1 Method for manufacturing spindle nuts for ball thread drives involves arranging externally profiled tool mandrel in hollow blank and exerting radial force from outside to reshape blank to form helical track |
02/18/2004 | EP1389149A1 Tool for a bending machine |
02/18/2004 | CN1475691A Continuous production device of steel plastic composite pipe having holed steel skeleton surface coated with binder |
02/17/2004 | US6691414 Method and system for coating and fabricating spiral rebar |
02/17/2004 | US6691397 Method of manufacturing same for production of clad piping and tubing |
02/12/2004 | DE10235045A1 Fabrication method for tube rounds for thin-walled tubes etc. with long strip being folded through 180o along fold line parallel to outer band edge and fastened by welding etc. |
02/11/2004 | EP1387726A2 Apparatus and method for reshaping tubes |
02/10/2004 | US6689234 Method of producing metallic materials |
02/10/2004 | US6688513 Process for producing longitudinally welded tubes |
02/05/2004 | WO2001003865A3 Method of forming a tube |
02/05/2004 | US20040020627 Method for the production of inorganic fiber-reinforced metal matrix composite wires |
02/05/2004 | DE10234029A1 Vorrichtung zur abschnittsweisen Autofrettage von Rohren Apparatus for piecewise autofrettage of pipes |
02/05/2004 | DE10232098A1 Vorrichtung zum Herstellen von Rohren aus Blechtafeln Apparatus for producing pipes from metal sheets |
02/04/2004 | EP1386116A1 Improved heat transfer tube with grooved inner surface |
02/04/2004 | EP1385654A1 Hollow construction element and method of producing |
02/04/2004 | EP1385646A1 Tube corrugating apparatus and method |
02/04/2004 | CN1473086A Hollow member ,manufacturing method, thereof, fluid distribution system using hollow member, and forming apparatus of hollow member |
02/03/2004 | US6685783 Method for making a part in shape memory alloy and part obtained by said method |
02/03/2004 | US6685082 Process for continuous production of longitudinally welded metal tubing |
02/03/2004 | US6684617 Process allowing to increase the cracking corrosion resistance of a wire under stress |
01/29/2004 | WO2003026827A8 Method for increasing the fatigue resistance of welded pipes |
01/29/2004 | DE10160004B4 Verfahren und Vorrichtung zum Wechseln der Walzen in einem Rohr-Schweißgerüst Method and device for changing the rolls in a pipe welding scaffold |
01/28/2004 | EP1384534A1 Apparatus for sectional autofrettage of tubes |
01/28/2004 | EP1383625A1 A process of making a shaped product |
01/27/2004 | US6683268 Application of a hybrid arc/laser process to the welding of pipe |
01/27/2004 | US6682612 Method of heat treatment of wire |
01/27/2004 | US6682610 Manufacturing method for hollow stabilizer |
01/22/2004 | WO2004007111A1 Frame producing method and frame |
01/22/2004 | US20040014266 Bonding wire for semiconductor and method of manufacturing the bonding wire |
01/22/2004 | DE10233374B4 Verfahren zur Herstellung eines einteiligen Pressfittings aus Metall A process for preparing a one-piece press fitting made of metal |
01/22/2004 | DE10228697A1 Verfahren zur Verbindung eines Rohrs aus Metall mit umfangsseitigen Rippen aus einem Nichteisen-Metall als Bestandteile eines Wärmeübertragers und Wärmeübertrager A method for connecting a pipe made of metal and has circumferential ribs from a non-ferrous metal as components of a heat exchanger and heat exchanger |
01/21/2004 | EP1382402A2 Device for the manufacture of tubes from metal plates |
01/21/2004 | CN2600188Y Device for forming metal framework of steel-plastic composited tube |
01/20/2004 | US6678938 System for fabricating muntin bars from sheet material |
01/15/2004 | US20040007040 Method and tool for folding a metal strip |
01/14/2004 | EP1379341A1 A method and a device for manufacturing of a closed profile and a profile manufactured according to said method |
01/14/2004 | EP1272291B1 Process for producing a tubular component |
01/13/2004 | US6675627 Method and device for forming conical tube casings |
01/13/2004 | US6675623 Method and apparatus for manufacturing keystone type superconducting compacted stranded wires |
01/08/2004 | WO2004002673A1 Seam-welded air hardenable steel tubing |
01/08/2004 | WO2004002652A1 Split die for forming grooved workpieces |
01/08/2004 | WO2004002644A1 Method of manufacturing continuous sucker rod |
01/08/2004 | US20040003645 Method and device for producing steel, especially stainless steel press fittings |
01/08/2004 | CA2490289A1 Method of manufacturing continuous sucker rod |
01/07/2004 | CN1466496A Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method |
01/07/2004 | CN1133856C Capillary pipe for refrigerator/air co ditioner and making method thereof |
01/06/2004 | US6672119 Axial-position adjustment for profiled rolling-mill rolls |
01/06/2004 | US6671956 Method of producing metal substrates used in purification of exhaust gas |
01/02/2004 | EP1375053A1 Stationary welding device and process to longitudinally weld profiles |
01/02/2004 | EP1375019A1 Thick-walled small diameter pipe producing method |
01/02/2004 | EP1374717A2 A process for the production of bi-coloured ornamental items |
12/31/2003 | WO2004001082A1 Stainless-steel pipe for oil well and process for producing the same |
12/31/2003 | WO2004001076A1 Oil well steel pipe excellent in crushing resistance characteristics after pipe expansion |
12/31/2003 | CN1464803A Grip ring metal wire material, method of producing such grip metal wire material and device for producing such grip ring |
12/31/2003 | CA2490700A1 Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof |
12/28/2003 | CA2390054A1 Method for manufacturing continuous sucker rod |
12/25/2003 | US20030235680 Method of rolling material |
12/25/2003 | US20030234273 Process for the production of filled wire and plate strip to create bi-colour ornamental items as well as similarly made items |
12/24/2003 | WO2003106718A1 Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
12/24/2003 | WO2003106064A1 Perforated spiral pipe |
12/24/2003 | DE10206255C2 Rohrschweißvorrichtung Pipe welder |
12/24/2003 | CN1463353A Improved heat transfer tube with grooved inner surface |
12/23/2003 | US6666265 Heat exchanger, method of manufacturing the heat exchanger, and method of manufacturing tube for heat exchange |
12/23/2003 | US6666058 Method and device for manufacturing a surface-structured pipe conduit element |
12/18/2003 | WO2003104736A1 Heat transfer tube and method of and tool for manufacturing the same |
12/18/2003 | US20030230555 Method and device for producing a hollow profile |
12/18/2003 | US20030230127 Perforated spiral pipe |
12/18/2003 | DE29724766U1 Electronically controlled welded hollow body production - using sensors to determine lubricating, cleaning and phosphating solution concentrations |
12/17/2003 | EP1371430A2 Method and apparatus for the manufacturing of a hollow profile |
12/17/2003 | EP1371429A1 Device for the manufacture of tubes |
12/17/2003 | EP1060050B1 Method and device for transferring a hollow-profile blank |
12/17/2003 | EP1015146B1 Double-walled structure and method and arrangement for producing the same |
12/16/2003 | US6663984 Clad steel rolled section for reinforcing concrete and method of production |
12/16/2003 | US6662447 Method and apparatus for the production of double-walled hollow sections by means of internal high-pressure forming |
12/14/2003 | CA2429933A1 Method and device for producing a hollow profile |
12/11/2003 | US20030226389 Method of producing metal rod of a blind |
12/10/2003 | EP1368144A1 Stainless steel wire and method for producing a wire with improved resistance to corrosion |
12/09/2003 | US6659137 Two-layer clad pipe |
12/04/2003 | WO2003099482A1 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe |
11/27/2003 | WO2003098142A1 Heat carrier and method for the production thereof |
11/27/2003 | US20030217844 Deformable member |
11/27/2003 | US20030217795 High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same |
11/26/2003 | EP1364724A1 Method of making a hole in a tube by fluo-drilling |
11/26/2003 | EP1140384B1 Device and method for continuously producing a composite tube |
11/26/2003 | EP0726186B1 Belt mounting clamp for seat belt assembly and process for production thereof |
11/26/2003 | CN2588156Y Shaping mechanism for inner die of aluminium-plastics pipe |
11/26/2003 | CN1457940A Device for producing rod material with inner screw cooling hole |
11/25/2003 | US6652680 Method for producing tubes for heavy guns |
11/25/2003 | US6651304 Method for fabricating contour muntin bars from sheet material |
11/20/2003 | WO2002051577A9 Methods and systems for fabricating spiral welded cylinders |
11/19/2003 | EP1362649A1 Method and tool for folding a metal strip |
11/19/2003 | EP1362648A1 Method of making an aluminum tube |
11/19/2003 | EP1361932A1 Process for making fine metallic mesh |
11/19/2003 | EP1105231B1 Rolling machine |
11/19/2003 | CN1456400A Metal tube and its manufacturing method |
11/19/2003 | CN1456398A Red copper threading pipe connector producing method |
11/19/2003 | CN1128331C Heat exchanging tube for absorber and method of manufacturing same |