| 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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| 05/14/1998 | DE19645928A1 Process for producing pipe with different material sections, for use in vehicles |
| 05/13/1998 | EP0841111A1 Method of obtaining grooves on a shaft |
| 05/13/1998 | EP0595877B1 Process of producing superconducting alloys |
| 05/12/1998 | US5749144 Method of making refrigerant tubes for heat exchangers |
| 05/06/1998 | EP0839590A1 Device and method for forming flanged collars on hollow bodies |
| 05/06/1998 | EP0755562A4 Superconductor cable and method of making |
| 05/05/1998 | US5745994 Process for making a composite rotor with metallic matrix |
| 04/30/1998 | WO1998017412A1 Arrangement for shaping a helical pipe |
| 04/29/1998 | CN1180160A Heat transfer tube with cross-grooved inner surface and method of manufacturing thereof |
| 04/28/1998 | US5743301 Metal pipe having upset ends |
| 04/28/1998 | US5743122 Apparatus for making a manifold for an automotive heat exchanger |
| 04/23/1998 | WO1998016274A1 Guidewire for catheter |
| 04/23/1998 | DE19646859C1 Verfahren zum Ummanteln eines Kunststoffrohres mit einem Metallband A method for sheathing a plastic pipe with a metal strip |
| 04/22/1998 | CN2279224Y Cold rolling inserted finned tube special machine tool |
| 04/16/1998 | WO1998015367A1 Method of manufacturing interlocking flexible tube and apparatus therefor |
| 04/16/1998 | WO1998015366A1 Method of manufacturing flexible tube with metallic blade |
| 04/16/1998 | DE19641144A1 Method for manufacturing tubular component |
| 04/14/1998 | US5737832 In and relating to machines for forming helically wound lock-seam tubing having multiple wall thickness |
| 04/09/1998 | WO1998014285A1 Method for manufacturing a structural member |
| 04/08/1998 | EP0833964A1 Process for making wire |
| 04/08/1998 | CN1178152A Manufacture of stainless steel pipes with straight seam weld |
| 04/08/1998 | CN1178144A Method of manufacturing wire made of metallic material with rectangular section |
| 04/07/1998 | US5735156 Method and apparatus for forming a non-circular pipe |
| 04/02/1998 | DE19702719C1 Method for producing a metal pipe connector |
| 04/01/1998 | CN1177935A Method and apparatus for producing helically wound cock-seam tubing |
| 04/01/1998 | CN1177552A Roller device for track-type vehicle and mfg. of load-bearing wheel for roller device |
| 03/31/1998 | US5732874 Method of forming seamed metal tube |
| 03/26/1998 | WO1998012014A1 Apparatus for painting tubing interiors during formation |
| 03/25/1998 | CN1177095A Heat exchanger tube and method for mfg. same |
| 03/25/1998 | CN1177089A Evaporator of refrigerator |
| 03/25/1998 | CN1177019A Stainless steel wire and producing method thereof |
| 03/24/1998 | US5730215 Refrigerant tubes for heat exchangers |
| 03/24/1998 | US5730189 Internally and externally enhanced wielded tube |
| 03/24/1998 | US5730018 Method of forming internal spline shaft |
| 03/18/1998 | CN1037752C Method of bending metallic pipe |
| 03/17/1998 | USRE35742 Condenser for use in a car cooling system |
| 03/12/1998 | WO1998010113A1 Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct |
| 03/12/1998 | DE19636424A1 Appts to form contours in a hollow profile wall |
| 03/12/1998 | CA2265573A1 Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct |
| 03/10/1998 | US5724844 Inner grooved tube forming apparatus |
| 03/05/1998 | DE19726343A1 Method for producing curved tubular bodies for e.g. tampons |
| 03/05/1998 | DE19635843A1 Laser pipe-welding installation |
| 03/04/1998 | EP0826795A1 Stainless steel wire and producing method thereof |
| 02/25/1998 | EP0824976A2 Method for the production of thin-walled tubes |
| 02/25/1998 | EP0727269A4 Method of producing a surface with alternating ridges and depressions and a tool for carrying out the said method |
| 02/25/1998 | CN1174102A Process for producing flat heat exchange tubes |
| 02/24/1998 | US5720095 Method and apparatus for producing helically wound lock-seam tubing |
| 02/19/1998 | WO1998006535A1 Method for making slots in metal pipe |
| 02/19/1998 | DE19728276A1 Construction of preform for internal high pressure deformation |
| 02/18/1998 | EP0823867A1 Process for sheathing a plastic pipe with a metal sheath |
| 02/17/1998 | US5718027 Apparatus for interior painting of tubing during continuous formation |
| 02/11/1998 | EP0823296A2 Method of manufacturing corrosion resistant heat exchangers |
| 02/04/1998 | EP0822026A1 Method of manufacturing corrosion resistant heat exchangers |
| 02/04/1998 | EP0822025A1 Method of manufacturing corrosion resistant heat exchangers |
| 02/03/1998 | US5713130 Partially thick-walled elongated metallic member and methods of making and connecting the same |
| 01/29/1998 | DE19629740A1 Light-weight component |
| 01/28/1998 | EP0820917A1 Guide roller assembly for crawler type vehicles and method for forming guide roller |
| 01/28/1998 | EP0725727A4 Method of making machine-engraved seamless tube |
| 01/21/1998 | EP0819497A1 Process for manufacturing a finned tube and finned tube |
| 01/21/1998 | CN1170643A Producing method and preparing equipment for steel pipe |
| 01/21/1998 | CN1170642A Double layer roll welded pipe with internal screw groove and its producing method |
| 01/20/1998 | US5709029 Manufacture of helically corrugated conduit |
| 01/14/1998 | EP0818343A1 Method of fabricating a catenary wire for supplying current to electrically driven vehicles |
| 01/14/1998 | EP0817687A1 Process for making a strip from a hot rolled rod |
| 01/14/1998 | EP0817673A1 Catalyst pipe |
| 01/14/1998 | CN1169907A Shmthetic resin pipe joint with metallic connecting member and manufacturing method thereof |
| 01/13/1998 | US5706691 Stand supporting method and equipment thereof and a position measuring method of a supporting platform and equipment thereof for roll former |
| 01/08/1998 | DE19728247A1 Flat pipe for heat exchanger |
| 01/08/1998 | DE19627109A1 Finned heat exchanger tube |
| 01/08/1998 | DE19624955A1 Mobile pipe line manufacturing process |
| 01/07/1998 | EP0815975A1 A device for unfolding a shaped metal article and a method for unfolding the same |
| 01/07/1998 | EP0815972A1 Method for producing tubes for the construction of heat transfer panels, apparatus for carrying out the method and tube produced thereby |
| 01/07/1998 | EP0815971A1 Process for producing flat heat exchange tubes |
| 01/07/1998 | EP0814937A1 Method of forming seamed metal tube |
| 01/07/1998 | EP0615474B1 Machine for forming helically wound lock-seam tubing having multiple wall thickness |
| 01/06/1998 | USRE35711 Condenser for use in a car cooling system |
| 01/06/1998 | US5704537 Method for sheathing a plastic tube with a metal sheathing |
| 01/06/1998 | US5704424 Heat transfer tube having grooved inner surface and production method therefor |
| 01/06/1998 | US5704423 Flat tube for heat exchanger |
| 01/06/1998 | US5704123 Method of making folded, bent and re-expanded heat exchanger tube and assemblies |
| 01/02/1998 | DE19625231A1 Forming rolls for conical tubes |
| 12/30/1997 | CA2134154C Coiled tubing with signal transmitting passageway |
| 12/29/1997 | EP0813929A1 Process for manufacturing welded steel plate panels |
| 12/29/1997 | EP0813455A1 Stainless steel shafts, assemblies and methods of making same |
| 12/24/1997 | CN1168303A Back extrusion process for forming manifold port |
| 12/18/1997 | DE19725220A1 Verfahren zur Herstellung eines Hochdruck-Kraftstoff-Einspritzrohres A method for producing a high pressure fuel injection tube |
| 12/17/1997 | EP0813037A1 Heat exchanger, particularly for a boiler |
| 12/17/1997 | EP0812648A1 Method for manufacturing tubes filled with powdery and granular substances |
| 12/17/1997 | EP0812633A1 Method of and apparatus for producing steel pipes |
| 12/16/1997 | US5697155 Method of manufacturing a branched pipe by internal high-pressure forming |
| 12/11/1997 | WO1997046334A1 Strip forming method and apparatus |
| 12/11/1997 | DE19623786A1 In-line production of wire |
| 12/10/1997 | EP0811444A1 Method of wall-thickening metal pipes |
| 12/10/1997 | EP0811436A1 Method of manufacturing pipe |
| 12/10/1997 | EP0811109A1 Metal coiled tubing with signal transmitting passageway |
| 12/04/1997 | WO1997045215A1 Method for roll forming and machine and blank for this |
| 12/04/1997 | DE19622111A1 Conductor bars/rods manufacturing method e.g. for industrial electrodes |
| 12/03/1997 | EP0810304A2 Method of and apparatus for manufacturing metallic fiber and the twine of metallic fibers, and method of coloring metallic fiber and the twine of metallic fibers |
| 12/03/1997 | EP0759120B1 Exhaust manifold for a multi-cylinder internal combustion engine |
| 12/03/1997 | EP0693008B1 Stiffening bulging |