| 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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| 11/20/2008 | DE102008013013A1 Tubular profile for the production of pipes and hollow bodies is fitted with an external heat exchange spiral for extracting heat from heat sinks and water flows |
| 11/20/2008 | DE102007047475B3 Hollow cylindrical component e.g. vapor shield, manufacturing method for vacuum interrupter, involves locally and transiently heating border areas of section to temperature for liquefying metallic material in areas, in protective atmosphere |
| 11/20/2008 | DE10023488B4 Verfahren zur Herstellung von geschweißten Stahlrohren hoher Festigkeit, Zähigkeits- und Verformungseigenschaften A process for the production of high strength welded steel tubes, toughness and deformation properties |
| 11/19/2008 | EP1992428A1 Mechanical expander and production method for seamless steel pipe |
| 11/19/2008 | CN101309762A Rolling stand, rolling train, and method for rolling metal strip |
| 11/18/2008 | US7451631 Spiral pipe machine |
| 11/18/2008 | US7451629 Spiral pipe machine |
| 11/18/2008 | US7451542 Method of manufacture of heat-exchanger tube structured on both sides |
| 11/18/2008 | US7451541 Method of heat shielding an inner tube |
| 11/13/2008 | WO2008135406A1 Production of tubular body comprising two or more layers of helically bended strips |
| 11/13/2008 | CA2684924A1 Production of tubular body comprising two or more layers of helically bended strips |
| 11/12/2008 | CN101304823A Method of manufacturing electric resistance welded tube with excellent weld characteristic |
| 11/12/2008 | CN100432273C Metal matrix composite wires, cables and preparing method |
| 11/12/2008 | CN100432261C Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
| 11/06/2008 | WO2008132767A1 Method and system for longitudinally welding tapered tubular shafts |
| 11/06/2008 | WO2008132766A1 Device for final calibration of tapered tubular shafts |
| 11/06/2008 | US20080274367 Recovered high strength multi-layer aluminum brazing sheet products |
| 11/05/2008 | CN101300103A Method of producing seam-welded pipe having good welded portion characteristics |
| 11/05/2008 | CN101300090A Apparatus for manufacturing seam-welded pipe excelling in welded portion characteristic |
| 11/05/2008 | CN101300088A Hollow bar manufacturing process |
| 11/05/2008 | CN101298643A Environment-protective free-cutting copper alloy material and processing technique |
| 11/05/2008 | CN101298084A Technique for processing D type copper pipe with unequal-radius wall thickness or equal-radius wall thickness |
| 11/05/2008 | CN100430102C Method of making a feature on a cannula |
| 11/04/2008 | CA2333509C System and method for using multiple lead connections in an electropolishing process |
| 10/30/2008 | WO2008128634A1 Hollow profile having a penetrating reinforcement element and method for the production thereof |
| 10/30/2008 | US20080264509 Spiral-wound diaphragm bellows, and method of making such a diaphragm bellows |
| 10/30/2008 | CA2630084A1 Coiled tubing with retainer for conduit |
| 10/29/2008 | CN201140944Y Sheet material storing device of hose automatic pipe production machine |
| 10/29/2008 | CN201140243Y Squeeze roll of welding unit for processing taper shaped pipe fitting and welding unit including the squeeze roll |
| 10/28/2008 | US7441433 Tool for forming threaded hole in a hydroformed part |
| 10/23/2008 | WO2008127168A1 A yieldable pole and a method of making such pole |
| 10/23/2008 | US20080257008 High Strength Welded Steel Tube Superior in Hydrogen Embrittlement Cracking Resistance of Weld Metal and Method of Production of Same |
| 10/22/2008 | EP1982967A2 Freestanding reactive multilayer foils |
| 10/22/2008 | EP1982777A1 Cyclic welding machine for welding a tubular blank |
| 10/22/2008 | EP1981662A1 Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it |
| 10/22/2008 | CN201136025Y 18m O-shaping pressure |
| 10/22/2008 | CN201136014Y 18m U-shaping pressure |
| 10/22/2008 | CN101291754A Tube |
| 10/21/2008 | CA2373064C Process for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 10/21/2008 | CA2355442C Process for producing a metal tube of copper |
| 10/16/2008 | WO2008123363A1 Cold-finished seamless steel pipe for integrally molded drive shaft, drive shaft using the pipe, and method for manufacturing the cold-finished seamless steel pipe |
| 10/16/2008 | WO2008123329A1 High-strength welded steel pipe having weld metal excelling in low-temperature cracking resistance and process for manufacturing the same |
| 10/15/2008 | EP1979105A1 Method of optimally dimensioning the heat transfer tubes in waste heat boilers |
| 10/15/2008 | EP1278631B1 Method of making reactive multilayer foil and resulting product |
| 10/15/2008 | CN101284348A Preparation technique of sheet welding water cooling tube die |
| 10/15/2008 | CN100426445C Tunsten wire, cathode heater, and filament for vibration service lamp |
| 10/14/2008 | US7434437 Method of making a metallic thin wire for a medical tool |
| 10/09/2008 | WO2008119840A1 Method for configuring a high-pressure channel arrangement in a body |
| 10/09/2008 | US20080245127 Method Of Forming A Rotary Device |
| 10/09/2008 | DE102007024357B3 Verfahren und Vorrichtung zur Herstellung von Rohranschlüssen Method and apparatus for the production of pipe connections |
| 10/08/2008 | EP1977846A2 Flying cutting apparatus for welded pipes |
| 10/08/2008 | EP1977038A1 Method for manufacturing a metal belt for use in a paper/board machine or in a finishing machine |
| 10/08/2008 | EP1976650A2 Pinch-point lock-seam tubing, pinch point seaming devices, and methods for manufacturing stabilized lock-seam tubing |
| 10/08/2008 | CN100423882C Welding jig for welding cylinder |
| 10/07/2008 | CA2429439C High-strength steel excellent in low temperature toughness and toughness at weld heat-affected zone, method for producing the same, and method for producing high-strength steel pipe |
| 10/02/2008 | WO2008116469A1 A method of welding duplex stainless steel strip for the production of an armouring layer of a flexible pipe |
| 10/02/2008 | WO2008116323A1 Method and apparatus for slotting tubular steel |
| 10/02/2008 | US20080242438 Golf shaft, golf club, and production method for golf shaft |
| 10/02/2008 | US20080236708 Preparing metal sheet or plate comprising heat treatable alloy by casting a rolling ingot, homogenizing; hot or cold rolling; reheating, cutting, finishing; pre-maching; solution heat treatment; quenching |
| 10/02/2008 | US20080236237 Method of making a metallic thin wire for a medical tool |
| 10/02/2008 | CA2681562A1 A method of welding duplex stainless steel strip for the production of an armouring layer of a flexible pipe |
| 10/02/2008 | CA2679506A1 Method and apparatus for slotting tubular steel |
| 10/01/2008 | CN201124192Y Tube making machine |
| 10/01/2008 | CN101277773A Method of manufacturing a calibrated component, in particular for an exhaust system of a motor vehicle, and component for an exhaust system |
| 10/01/2008 | CN101274336A Method for producing variable diameter pipe |
| 10/01/2008 | CN100421831C Process equipment for integral ring-shaped finned tube and technique thereof |
| 09/25/2008 | US20080230586 Method of Manufacturing Electric Resistance Welding Pipes Having Excellent Characterization of Welded Seams |
| 09/25/2008 | US20080230390 Contact substrate with conformation masking pattern on substrate; multilayer; three-dimensional structure; cyclic process; electroplating |
| 09/24/2008 | EP1971450A1 Apparatus for and method of manufacturing helically wound structures |
| 09/24/2008 | CN201120535Y Three-dimensional slipway for spiral welded pipe product line |
| 09/24/2008 | CN201120527Y Numerical control laser tube-welding machine |
| 09/23/2008 | CA2424491C High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same |
| 09/23/2008 | CA2368062C Method for forming metal parts by cold deformation |
| 09/18/2008 | US20080222869 Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock |
| 09/17/2008 | CN201115898Y Location prewelding |
| 09/17/2008 | CN101264565A Method for processing punching seam/bore canister type sieve tube |
| 09/17/2008 | CN100418654C Method for manufacturing stainless steel tail gas pipe of car, and automatic cutter for cutting stainless steel pipe |
| 09/16/2008 | CA2490300C Split die for forming grooved workpieces |
| 09/12/2008 | WO2008108450A1 Method for producing steel conduit tube and high si component or high cr component steel conduit tube |
| 09/12/2008 | WO2008106911A1 Method for the production of a high-pressure accumulator pipe made of steel for fuel injection systems and high-pressure accumulator pipe produced according to this method |
| 09/12/2008 | CA2678752A1 Method for the production of a high-pressure accumulator pipe made of steel for fuel injection systems and high-pressure accumulator pipe produced according to this method |
| 09/11/2008 | US20080218768 Measurement method and device for bead cutting shape in electric resistance welded pipes |
| 09/10/2008 | EP1967779A1 Spiral duct |
| 09/10/2008 | EP1966511A2 Method for producing a rocker pressure piece and embossing device |
| 09/10/2008 | EP1654149B1 Vehicle frame having energy management system and method for making same |
| 09/09/2008 | US7421873 Rolling apparatus and method of making product of miscellaneous cross section with use of same |
| 09/04/2008 | WO2008105749A1 Novelty in the method for the combination of gold and the other minerals |
| 09/04/2008 | WO2008105216A1 Electric resistance welded steel pipe prior to heat treatment and process for manufacturing the same |
| 09/04/2008 | WO2008014441A3 Metallic strip and methods and structures incorporating the same |
| 09/04/2008 | DE19938135B4 Metallgewebe und Verfahren zur Herstellung eines Hohlkörpers aus einem Metallgewebe Metal mesh and method for producing a hollow body from a metal mesh |
| 09/03/2008 | CN101258254A Aluminum alloy pipe and structural element for manufacturing car using the same |
| 09/03/2008 | CN101254513A Leadless alloy thread preparation |
| 09/03/2008 | CN100415436C Method for producing cold rolling continuous welding metal inner composite pipe |
| 09/03/2008 | CN100415401C Punch device for u-press in uoe steel tube manufacturing process |
| 09/02/2008 | US7418849 Process of producing profiles whose cross-section is variable in the longitudinal direction |
| 09/02/2008 | US7418848 High-performance and high-efficiency rolled fin tube and forming disk therefor |
| 09/02/2008 | CA2504127C Method and apparatus for producing mounting member of rotary cleaning member |
| 09/02/2008 | CA2413346C Apparatus and method for manufacturing hollow shafts |
| 08/28/2008 | US20080202648 Superfine copper alloy wire and method for manufacturing same |
| 08/27/2008 | EP1961501A1 Method of manufacturing electric resistance welded tube with excellent weld characteristic |