| 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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| 02/01/2000 | US6018859 Method of forming seamed metal tube |
| 01/27/2000 | DE19832503A1 Manufacturing rotation symmetrical molded article with undercuts, slots, cavities or threading on inside, by placing removable splay sleeve inside article and then drawing it inside mold |
| 01/26/2000 | EP0974001A1 Internal combustion engine exhaust device and method for making same |
| 01/20/2000 | WO2000003129A1 Double-walled structure in a ventilation duct system |
| 01/20/2000 | WO2000002682A1 Metallic shaft material diameter increasing device |
| 01/20/2000 | CA2303377A1 Metallic shaft material diameter increasing device |
| 01/12/2000 | EP0970763A2 Apparatus for the production of a corrugated tube by heical coiling of a thin undulated strip |
| 01/12/2000 | CN2357851Y Centrifugal equipment for preparing composite steel pipe with ceramic inner lining |
| 01/12/2000 | CN1048200C Apparatus for producing thin metallic tube |
| 01/11/2000 | US6012315 Method of manufacturing pipe |
| 01/06/2000 | WO2000000778A2 Radiating elements for heat exchangers and method of manufacturing such heat exchangers |
| 01/05/2000 | EP0968320A1 Process for manufacturing welded hollow bodies |
| 01/05/2000 | EP0968083A1 Constrained filament electrolytic anode and process of fabrication |
| 01/05/2000 | DE19834400C1 Method of making thin wall tubes |
| 01/05/2000 | CN1240384A Constrained filament electrolytic anode and process of fabrication |
| 01/04/2000 | US6009912 Steel pipe with integrally formed liner and method of fabricating the same |
| 12/30/1999 | DE19827832A1 Verfahren zur Erzeugung eines Kanals einer wärmegedämmten Rohrleitung A method for generating a channel of a thermally insulated pipe |
| 12/30/1999 | DE19827798A1 Production of longitudinally welded pipes out of plane sheet metal blanks |
| 12/30/1999 | DE19818997A1 Making opening rollers for open-end spinning machines using fillet wire |
| 12/29/1999 | WO1999067037A1 Method and device for producing straight bead welded pipes from flat sheet metal blanks |
| 12/29/1999 | EP0967430A1 Method for manufacturing a channel of a insulated pipeline |
| 12/29/1999 | CN2355829Y Drawbar |
| 12/28/1999 | US6007433 Sole configuration for golf club head |
| 12/28/1999 | US6006789 Method of preparing a steel pipe, an apparatus thereof and a steel pipe |
| 12/23/1999 | WO1999066226A1 Hydraulic control clutch device equipped with a guide tube and method for producing such a tube |
| 12/23/1999 | WO1999065628A1 Method for producing an inner profile or an outer profile by rotary kneading |
| 12/23/1999 | WO1999065623A1 Process of making composite stents with gold alloy cores |
| 12/23/1999 | DE19927510A1 Mandrel for use in adjusting the interior diameter of metal tubing passed along the mandrel |
| 12/23/1999 | DE19827191A1 Verfahren zur Herstellung einer Innenprofilierung eines hülsenähnlichen metallischen Außenteils und/oder zur Herstellung einer Außenprofilierung eines metallischen Innenteils durch Rundkneten A process for producing an inner profiling of a sleeve-like metallic outer part and / or for the manufacture of an outer profile of a metallic inner member by rotary swaging |
| 12/21/1999 | US6003220 Method and apparatus for producing helically wound lock-seam tubing |
| 12/16/1999 | WO1999064187A1 Process and die for the production of necklaces |
| 12/16/1999 | WO1999064176A1 Method for producing metal shapes with a polygonal cross-section by means of continuous casting on a double-flanged wheel and continuous rolling |
| 12/16/1999 | WO1999063853A1 Method of forming a piece of flexible linear jewelry, and jewelry produced thereby |
| 12/16/1999 | CA2334851A1 Method for producing metal shapes with a polygonal cross-section by means of continuous casting on a double-flanged wheel and continuous rolling |
| 12/15/1999 | CN2353463Y Appratus for mfg. of straight-welded conic tube |
| 12/14/1999 | US6000263 Branch pipe forming tool and method of forming branch pipe on metal tube with the tool |
| 12/14/1999 | US6000261 Method and apparatus for portable spiral pipe manufacturing |
| 12/14/1999 | US6000260 Spiral duct ovalizer |
| 12/14/1999 | US6000115 Shell lock seaming machine |
| 12/09/1999 | WO1999062669A1 Method for forming a sheet metal assembly and corresponding device and sheet metal set |
| 12/09/1999 | WO1999062654A1 Bimetallic corrugated tube and process for its manufacturing |
| 12/09/1999 | WO1999047287A8 Tube-forming machine and method |
| 12/09/1999 | DE19823832A1 Verfahren zur Herstellung von Verbund-Rohren aus Metall sowie Verbundrohr und dessen Verwendung A process for the production of composite tubes made of metal as well as composite pipe and its use |
| 12/08/1999 | EP0962267A2 Method of fabrication of composite metallic tubes, composite tube and its use |
| 12/08/1999 | CN1047113C Spiral-weld tube formation extruding device |
| 12/07/1999 | US5996205 Method for manufacturing a pipe with a partition |
| 12/02/1999 | WO1999061765A1 Flexible hose and method for manufacturing |
| 12/01/1999 | EP0960754A1 A stabiliser bar apparatus for use in a vehicle suspension |
| 12/01/1999 | EP0960685A1 Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article |
| 12/01/1999 | EP0959988A2 Honeycomb body with cross-sectional area framed in the interior, particularly for small-power motors |
| 12/01/1999 | CN1237214A Process for making copper wire |
| 11/30/1999 | US5994647 Electrical cables having low resistance and methods of making same |
| 11/30/1999 | US5992512 Heat exchanger tube and method for manufacturing the same |
| 11/30/1999 | US5992502 Method of producing metallic bar stock |
| 11/30/1999 | US5992275 Pipe cutter having non-rotating, overlapping knives |
| 11/25/1999 | DE19821395A1 Ultra-fine gold alloy wire for wire bonding or flip-chip bonding of semiconductor devices |
| 11/24/1999 | EP0823867B1 Process for sheathing a plastic pipe with a metal sheath |
| 11/24/1999 | CN1236337A Porous electrode wire for electric discharge machine and its producing method |
| 11/24/1999 | CN1235883A Enclosing and joining technology for cold bent shape steel |
| 11/23/1999 | US5989732 Plating nickel on stainless steel core wire containing carbon, silicon, manganese, chromium and nickel, depositing potassium sulfate or borax film on plate layer, drawing wire, coiling the drawn wire |
| 11/23/1999 | US5989133 Golf club and shaft therefor and method of making same |
| 11/23/1999 | US5988484 Clad tubular product and method of manufacturing same |
| 11/23/1999 | US5988225 Superplastic tubular part |
| 11/23/1999 | US5987731 Elongated superconductive member |
| 11/18/1999 | WO1999058891A1 Vibration decoupling connector for exhaust systems |
| 11/17/1999 | CN1235376A Thin wire of gold alloy and manufacture and use thereof |
| 11/16/1999 | US5984163 Method of producing and utilizing deformable workpieces for high-pressure forming and products formed thereby |
| 11/16/1999 | US5984138 Tanks with flow drill bushings for receiving couplings |
| 11/16/1999 | US5983497 Method for forming a vehicle driveshaft tube |
| 11/16/1999 | CA2175169C Method for producing a steel pipe using a high density energy beam |
| 11/11/1999 | WO1999047287A3 Tube-forming machine and method |
| 11/11/1999 | DE19839353C1 Pressure forming method for hollow profile workpiece |
| 11/10/1999 | CN2347696Y Positioning device of aluminium belt |
| 11/09/1999 | US5979051 Heat exchanger and method of producing the same |
| 11/02/1999 | US5974973 Base carrier sleeve for rotary printing machines |
| 11/02/1999 | US5974846 Method of forming and piercing a tube |
| 10/28/1999 | WO1999054065A1 Floating plug for drawing of tubes |
| 10/28/1999 | DE19818733A1 Welding metal tube forming part of plastic-metal-plastic composite pipe |
| 10/28/1999 | DE19813988C1 Verfahren zur Herstellung eines aus durch feinverteilte, kleine Teilchen aus Unedelmetalloxid dispersionsverfestigtem Platinwerkstoff bestehenden, geschweißten, insbesondere mindestens eine Innenwand aufweisenden Formkörpers, isnbesondere eines Rohres A process for producing a finely divided by, small particles of base metal oxide dispersion strengthened platinum material consisting of, welded, in particular at least an inner wall comprising the molded body, a tube isnbesondere |
| 10/27/1999 | EP0811109A4 Metal coiled tubing with signal transmitting passageway |
| 10/21/1999 | WO1999053123A1 Metal tube armored linear body, metal tube armoring linear body, method and apparatus for manufacturing metal tube armored linear body |
| 10/21/1999 | WO1999052659A1 Housing for pipe valves and fittings and method for producing the same |
| 10/21/1999 | DE19816244A1 Gehäuse für Rohrleitungsarmaturen und Verfahren zu ihrer Herstellung Housing for pipe fittings and process for their preparation |
| 10/20/1999 | EP0950441A2 Method of manufacturing long dual layer metal pipe |
| 10/20/1999 | EP0949935A1 Guidewire for catheter |
| 10/19/1999 | US5968380 Method for producing laser-welded tubes and apparatus for producing the same |
| 10/17/1999 | WO1999054068A1 Pipe and molding equipment array and pipe molding method |
| 10/17/1999 | CA2276771A1 Pipe forming line and pipe forming method |
| 10/14/1999 | WO1999051371A1 Spiral duct ovalizer |
| 10/14/1999 | WO1999051370A1 Clad tubular product and method of manufacturing same |
| 10/14/1999 | DE19830401C1 Spirally wound corrugated tube manufacturing mill |
| 10/13/1999 | CN1231221A Conical joint type metal flexible pipe, working process and device thereof |
| 10/12/1999 | US5964118 Method of manufacturing a sipe blade |
| 10/08/1999 | CA2268697A1 Method of manufacturing long dual layer metal pipe |
| 10/07/1999 | DE19814919A1 Production of long internally and/or externally coated small diameter pipes, especially drinking water pipes or fittings |
| 10/06/1999 | EP0947595A2 Process for preparing a welded workpiece, in particular a tube, from dispersion-hardened platinum material |
| 10/06/1999 | CN1230447A Sole configuration for golf club head |
| 10/05/1999 | US5961748 Laser-welded steel pipe |
| 09/29/1999 | EP0944446A2 Method of forming and piercing a tube |
| 09/29/1999 | EP0944444A1 Arrangement for shaping a helical pipe |