| 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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| 11/27/1997 | WO1997044099A1 Golf club shafts |
| 11/26/1997 | EP0778797A4 Manufacture of internally enhanced welded tubing |
| 11/25/1997 | US5690167 For use in a heat exchanger or a refrigerator evaporator |
| 11/19/1997 | EP0807486A1 Sealed welding line along a metallic tube |
| 11/19/1997 | CN1165287A Heat transfer tube having grooved inner surface and production method therefor |
| 11/18/1997 | CA2114853C Finned tube |
| 11/13/1997 | WO1997041979A1 Process for manufacturing metal bodies |
| 11/12/1997 | EP0806255A1 Welding device for the longitudinal welding of copper alloy or aluminium tubes |
| 11/12/1997 | CN1164836A Steel pipe manufacturing method and apparatus and steel pipe |
| 11/12/1997 | CN1164744A Composite section of two different metals, in particular for use as conductor rail, and processes for manufacture thereof |
| 11/11/1997 | USRE35655 Condenser for use in a car cooling system |
| 11/11/1997 | US5685188 Universal mill stand for forming tubes |
| 11/04/1997 | US5682783 Ceramic tubemill roll assembly |
| 10/28/1997 | US5681406 Cross rolling at below 600 degrees celcius to expand diameter and improve texture of heat extruded or drawn seamless tube |
| 10/23/1997 | WO1997039166A1 Process for making wire |
| 10/23/1997 | WO1997027013A3 Process and device for producing pipes as per the uoe-process |
| 10/23/1997 | DE19614770A1 Manufacturing finned heat exchanger which is used in domestic central heating boiler |
| 10/23/1997 | CA2224183A1 Process for making wire |
| 10/22/1997 | CN2265257Y Rotary rolling mill for conical tube |
| 10/21/1997 | US5679232 Forming thin web of metal foil, cutting, shaping |
| 10/15/1997 | EP0801202A2 Lattice cross assembly device |
| 10/15/1997 | EP0800425A1 Method of manufacturing internally geared parts |
| 10/09/1997 | CA2202177A1 Process for making rectangular section metal wire |
| 10/08/1997 | EP0799659A2 Method and apparatus for manufacturing steel drums |
| 10/08/1997 | EP0799656A2 Method for producing pipe having polygon-shaped closed cross-section and device therefor |
| 10/08/1997 | EP0799655A1 Method of Manufacturing wire for use in a wire saw and wire for use in a wire saw |
| 10/07/1997 | US5673580 Burring processing method, jig for burring processing, and burring processing apparatus |
| 10/01/1997 | CN1160845A Process for producing flat heat exchanger tubes |
| 09/30/1997 | US5671632 Method for manufacturing a vibrator |
| 09/30/1997 | US5671510 Slide fastener elements |
| 09/25/1997 | WO1997034846A1 System and methods for forming bushing plates |
| 09/24/1997 | EP0583461B1 Apparatus for cutting helically wound metal tubing |
| 09/23/1997 | US5669441 Heat transfer tube and method of manufacture |
| 09/23/1997 | US5669420 Casing and flexible tubular conduit comprising such a casing and process for producing it |
| 09/18/1997 | WO1997034101A1 Improvements in or relating to bi-metal lined pipe |
| 09/17/1997 | EP0795365A1 Process of making a fluid flow tube with varying cross section |
| 09/17/1997 | EP0795363A2 Working tool for pipe wall |
| 09/17/1997 | EP0795362A1 Device for the production of hollow profiles |
| 09/17/1997 | CN1159525A Method for closing tube wall for heat-exchanger liquid storage box |
| 09/16/1997 | US5666727 Method of manufacturing a passenger compartment from a cylindrical tube |
| 09/12/1997 | WO1997032676A1 Method of manufacturing thin-walled pipe or product having similar cross section |
| 09/10/1997 | EP0794024A2 Improved process and apparatus for making in-situ-formed multifilamentary composites |
| 09/09/1997 | US5665933 Device for cladding tubes by means of an explosive process |
| 09/04/1997 | DE19624776C1 Welded steel sheet production from sheet sections |
| 09/03/1997 | EP0792702A2 Device for forming flanged collars in workpieces |
| 09/03/1997 | EP0523215B1 Process for the hydrostatic shaping of hollow bodies of cold-workable metal and device for implementing it |
| 09/02/1997 | US5662145 Dual bias weld for continuous coiled tubing |
| 08/27/1997 | EP0791412A1 Composite profile of two different metals, in particular for use as a conductor rail and method for its production |
| 08/27/1997 | CN1158096A Manufacture of internally enhanced welded tubing |
| 08/27/1997 | CN1157768A Fabrication method of welded steel pipe using dual-phase stainles steel |
| 08/27/1997 | CA2197154A1 Composite section of two different metals, in particular for use as a conductor rail, and process for the manufacture thereof |
| 08/21/1997 | DE19700486A1 Method for producing metal rod |
| 08/20/1997 | CN1035702C Electrolytic capacitor and method of making same |
| 08/19/1997 | US5658473 Method for producing lengthwise welded metal tubes |
| 08/19/1997 | US5657922 Machine and process for forming tapered or cylindrical utility poles from flat sheet metal |
| 08/13/1997 | EP0789289A2 Method for designing or producing bent tubing |
| 08/13/1997 | EP0788852A1 Electric-resistance welded tube fin pass molding apparatus and double purpose roll apparatus utilizing the same |
| 08/13/1997 | EP0788850A1 Steel pipe manufacturing method and apparatus and steel pipe manufactured thereby |
| 08/13/1997 | EP0788849A1 Method of manufacturing a pipe with sections of differing wall thickness and a pipe with sections of differing wall thicknesses |
| 08/13/1997 | EP0788848A1 Method of manufacturing a tube with variable cross-section |
| 08/13/1997 | EP0788847A1 Steel rod used in the production of electrically welded mesh |
| 08/09/1997 | CA2196236A1 Method and apparatus for measuring and tube fitting |
| 08/07/1997 | WO1997027956A1 Forming roll for pipe mill and clamp |
| 08/06/1997 | CN1156066A Method for producing expanding pipe joint |
| 08/05/1997 | US5654518 Double truss structural armor component |
| 08/05/1997 | US5653899 Hot metal working by passing through multi-stage rolls |
| 07/31/1997 | WO1997027013A2 Process and device for producing pipes as per the uoe-process |
| 07/31/1997 | DE19603098A1 Passenger cell with stiffened B columns for convertible or open car |
| 07/30/1997 | EP0785831A1 Method of producing a metal hollow body, hollow bodies produced according to this method and device for carrying out this method |
| 07/29/1997 | US5651819 Continuous tube forming and coating |
| 07/24/1997 | WO1997026096A1 Process and device for manufacturing a metal container with a longitudinal weld |
| 07/24/1997 | DE19637107A1 Verfahren und Vorrichtung zur Herstellung eines Metallbehälters mit einer Längsnaht Method and apparatus for producing a metal container having a longitudinal seam |
| 07/24/1997 | DE19602920A1 Verfahren und Vorrichtung zur Herstellung von Rohren nach dem UOE-Verfahren Method and apparatus for the manufacture of pipes according to the UOE method |
| 07/23/1997 | CN1154880A Mfg. method for square steel pipe and mfg. method for circular steel pipe |
| 07/22/1997 | US5649439 Tool for sealing superplastic tube |
| 07/17/1997 | WO1997025577A1 Composite metal fin and method for producing the same |
| 07/15/1997 | US5647127 Manufacturing process of coil |
| 07/10/1997 | WO1997024204A1 Polymer-based material for carbon deposition during brazing operations |
| 07/08/1997 | US5646372 Corrosion resist protective multilayer comprising metal base layer, chrome layer and chrome oxide outerlayer; friction resistance, durability |
| 07/08/1997 | US5645784 Diameter reduction insertion method for lining tubular members |
| 07/03/1997 | WO1997023325A1 Assembly and method for making catalytic converter structures |
| 07/03/1997 | WO1997023311A1 Steel wire for reinforcement of rubber articles, method of manufacturing the same, and steel cord using the same |
| 07/02/1997 | EP0781610A2 Process for producing flat heat exchange tubes |
| 07/01/1997 | US5642640 Back extrusion process for forming a manifold port |
| 06/25/1997 | EP0780173A2 Method of manufacturing a pipe section, particularly a branch pipe manifold and branch pipe manifold produced thereby |
| 06/25/1997 | CN1152625A Oil tempering steel wire and making method thereof |
| 06/19/1997 | DE19606754C1 Method for manufacturing tube blank for pinion shaft |
| 06/19/1997 | DE19547133A1 Ribbed tube production method by induction heating and welding of strip |
| 06/19/1997 | CA2188632A1 Fabrication method of welded steel pipe using dual-phase stainless steel |
| 06/18/1997 | EP0779114A2 Back extrusion process for forming a manifold port |
| 06/18/1997 | EP0778797A1 Manufacture of internally enhanced welded tubing |
| 06/18/1997 | EP0581820B1 Method of manufacture of a structurally composite metal and plastics tube |
| 06/17/1997 | US5638897 Refrigerant tubes for heat exchangers |
| 06/10/1997 | US5636541 Apparatus for forming and cutting spiral pipe |
| 06/07/1997 | CA2192021A1 Double truss structural armor component |
| 06/04/1997 | EP0776454A1 Flat tube for a heat exchanger |
| 06/04/1997 | EP0776283A1 Air bag inflator and method of manufacture thereof |
| 05/28/1997 | EP0775754A1 Process for preparing a composite metal matrix rotor |
| 05/28/1997 | EP0775027A1 Method of manufacturing a hollow spindle |
| 05/28/1997 | CN2254784Y Equipment for compression moulding formation of conical pipe |