| 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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| 09/23/1998 | EP0865838A1 A heat transfer tube and method of manufacturing same |
| 09/23/1998 | CN1193722A Heat transfer tube and method of manufacturing same |
| 09/23/1998 | CN1193690A Common rail and method of manufacturing the same |
| 09/22/1998 | US5809822 Method of producing a metallic hollow body with a breaking line |
| 09/22/1998 | US5809647 Process for manufacturing ribbed tubes |
| 09/22/1998 | CA2127001C Clean steel tubing |
| 09/16/1998 | EP0864383A1 Apparatus for forming annular corrugations in tubes |
| 09/16/1998 | CN2291226Y Straight seam stainless steel tube manufacturing machine |
| 09/16/1998 | CN1193359A Process for making wire |
| 09/10/1998 | DE19711103A1 Components deforming method by magnetic structuring |
| 09/08/1998 | US5803671 Hollow bars and method of manufacture |
| 09/08/1998 | US5803164 Multiple finned tube and a method for its manufacture |
| 09/08/1998 | US5802903 Manufacturing method for angled steel pipes |
| 09/03/1998 | CA2230745A1 Method for improving fatigue strength due to repeated pressure at branch hole part in member for high pressure fluid, branch hole part of member for high pressure fluid formed by the method, and member for high pressure fluid with built-in slider having the branch hole |
| 09/03/1998 | CA2230744A1 Common rail and method of manufacturing the same |
| 09/03/1998 | CA2230742A1 Common rail and method of manufacturing the same. |
| 09/02/1998 | EP0814937A4 Method of forming seamed metal tube |
| 09/01/1998 | US5801342 Double-walled structure and method and arrangement for producing the same |
| 08/26/1998 | EP0859673A1 Clad shape memory alloy composite structure and method |
| 08/25/1998 | US5797184 Method of making a heat exchanger |
| 08/20/1998 | DE19704300A1 Procedure for manufacture of metal sheet blanks with different thicknesses |
| 08/19/1998 | EP0627997B1 High strength automotive seat frame and method |
| 08/19/1998 | CN2288025Y Rib rolling mill for internal wall of welding tube |
| 08/19/1998 | CN1039523C Method for making square pipe with sharp corners |
| 08/18/1998 | US5794840 Process for the production of pipes by the UOE process |
| 08/18/1998 | US5794398 Framework with hollow members process for producing the same and its use |
| 08/13/1998 | WO1998034726A2 Honeycomb body with cross-sectional area framed in the interior, particularly for small-power motors |
| 08/13/1998 | DE19704689A1 Wabenkörper mit im Inneren freiem Querschnittsbereich, insbesondere für Kleinmotoren Honeycombs with free inside cross-sectional area, especially for small engines |
| 08/12/1998 | CN1039479C Sizing method and equipment for spiral welding pipe |
| 08/11/1998 | US5791405 Heat transfer tube having grooved inner surface |
| 08/06/1998 | WO1998033952A1 Process for manufacturing welded hollow bodies |
| 08/06/1998 | DE19703641A1 Verfahren zum Herstellen geschweißter Hohlkörper A method for producing welded hollow body |
| 08/05/1998 | CN1189790A Method and appts. for producing helically-wound lock-seam tubing with reduced lubrication |
| 08/05/1998 | CN1189401A Internally pressuring shaping method for elbow of pipeline |
| 08/04/1998 | US5787747 Process and apparatus for making in-situ-formed multifilamentary composites |
| 08/04/1998 | US5787585 Method of making a vehicle compartment from a cylindrical tube |
| 07/30/1998 | WO1998032551A1 Double-walled structure and method and arrangement for producing the same |
| 07/30/1998 | CA2277204A1 Double-walled structure and method and arrangement for producing the same |
| 07/28/1998 | US5784918 Method and apparatus for swaging metallic embossed pipes |
| 07/28/1998 | US5784911 Apparatus for manufacturing a welded pipe |
| 07/28/1998 | US5784897 Evaporator of refrigerator |
| 07/28/1998 | US5784803 Oil removing method for a pipe coil |
| 07/28/1998 | US5784776 Process for producing flat heat exchange tubes |
| 07/23/1998 | WO1998031958A2 Production of a metal pipe connection |
| 07/23/1998 | WO1998025713A3 Method of forming and piercing a tube |
| 07/22/1998 | EP0854343A2 Heat exchanger and method of producing the same |
| 07/22/1998 | EP0853529A1 Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article |
| 07/21/1998 | US5782123 Working tool for pipe wall |
| 07/21/1998 | US5782121 Apparatus for the inner profiling of tubes or pipes |
| 07/21/1998 | US5781996 Method of manufacturing heat transfer tube |
| 07/21/1998 | US5781987 Apparatus for manufacturing a needle-rib heat-exchanger construction |
| 07/14/1998 | US5780063 Apparatus for producing a hard metal or ceramic rod having helical bores |
| 07/14/1998 | US5778519 Apparatus for forming "slide fastener elements" |
| 07/14/1998 | CA2126997C A delayed hydride cracking resistant seamless pressure tube made of zirconium (zr) alloy, and manufacturing method thereof |
| 07/07/1998 | US5775411 Heat-exchanger tube for condensing of vapor |
| 07/07/1998 | US5775187 Method and apparatus of producing a surface with alternating ridges and depressions |
| 07/07/1998 | US5775162 Method and apparatus for forming sheet metal ducts |
| 07/07/1998 | CA2060032C Method and apparatus for forming box-shaped sheet metal ducts |
| 07/02/1998 | WO1998028129A1 Constrained filament electrolytic anode and process of fabrication |
| 07/02/1998 | DE19653463A1 Method of forming protrusions on long hollow sections |
| 07/01/1998 | EP0851200A2 Process for arranging tabs and/or projections on a thin sheet and thin tube of rectangular cross section |
| 07/01/1998 | EP0851165A2 Method and device for producing a pipe elbow |
| 07/01/1998 | EP0850114A1 Method and device for producing pressure-rolled pipes with thickened inner wall sections at the ends |
| 07/01/1998 | EP0850113A1 Reinforced formed part, process for its production and its use |
| 06/30/1998 | US5772105 Clad shape memory alloy composite structure and method |
| 06/30/1998 | US5771737 Method for producing a propeller shaft |
| 06/25/1998 | DE19654363A1 Exhaust gas heat exchanger |
| 06/25/1998 | DE19652995A1 Apparatus for production of apertures |
| 06/23/1998 | US5768792 Method and apparatus for measuring and tube fitting |
| 06/23/1998 | US5768782 Flat tube for heat exchanger and method for manufacturing it |
| 06/23/1998 | CA2046317C Machine for manufacturing welded steel pipes and method for handling the same machine |
| 06/18/1998 | WO1998026239A1 Heating tube for absorber and method of manufacturing same |
| 06/18/1998 | WO1998025727A1 Method for manufacturing longitudinally welded pipes by laser welding and structure for implementation of the method |
| 06/18/1998 | WO1998025713A2 Method of forming and piercing a tube |
| 06/18/1998 | WO1998025712A1 Process for producing internally plated pipes |
| 06/18/1998 | DE19755342A1 Method for holding and forming a workpiece |
| 06/16/1998 | US5765420 Process and apparatus for producing hollow bodies having at least one branch |
| 06/16/1998 | US5765418 Method for making an implantable medical device from a refractory metal |
| 06/11/1998 | WO1998024569A1 Method for producing a molded part and a molded part produced according to said method |
| 06/09/1998 | US5761807 Method of manufacture of a multiple finned tube |
| 06/04/1998 | WO1998023398A1 Manufacture of copper wire |
| 06/03/1998 | EP0845646A1 Refrigerant tubes for heat exchangers |
| 06/03/1998 | EP0845313A2 Shell lock seaming machine |
| 06/03/1998 | EP0845311A1 Silencer shell forming apparatus |
| 06/03/1998 | EP0745178B1 Multiple cams |
| 06/03/1998 | CN2282943Y Spiral electric welding steel pipe forming machine |
| 06/03/1998 | CN1183324A Method for mfg. long stailess steel fibre |
| 05/27/1998 | EP0754112A4 Fabricating steel pipe with an integrally formed liner |
| 05/27/1998 | CN1183063A Process for sheathing a plastic pipe with a metal sheath |
| 05/27/1998 | CN1182650A Method and equipment for mfg. long and thin metal pipe |
| 05/27/1998 | CN1038484C Method and equipment for shaping spiral steel pipe by continuous hot push foreward |
| 05/26/1998 | US5756167 Rigid elongated member for use in vehicles and producing method and apparatus therefor |
| 05/26/1998 | US5755088 Method of forming a decorative chain in ductile metal with approximately square or similar cross section, and chain made in this way |
| 05/26/1998 | CA2155460C Method for manufacturing electric-resistance-welded steel pipe |
| 05/22/1998 | WO1998021004A1 Process for making fine metallic fibers |
| 05/22/1998 | WO1998020990A1 Method and machine for making a finned body |
| 05/22/1998 | WO1998020989A1 Method for wrapping a metal strip around a plastic tube |
| 05/20/1998 | EP0842716A2 Process and device for the manufacture of long lengths of metallic tubes |
| 05/20/1998 | EP0776454B1 Flat tube for a heat exchanger |
| 05/14/1998 | DE19745924A1 Helical pipe shaping device |