| Patents for B21D 13 - Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form (2,021) |
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| 06/08/2006 | US20060121330 Method for forming a separator plate for a fuel cell, and separator plate |
| 05/26/2006 | WO2006053697A1 Lead-acid battery grid plates, manufacturing method and apparatus therefor |
| 05/25/2006 | US20060107659 Metal sheet having a microstructure relieved of notching, carrier body having a plurality of sheets, and exhaust system having the carrier body |
| 05/18/2006 | WO2006051842A1 Method and system for producing waved metal plate |
| 05/09/2006 | US7040001 Metal encaustic tile making machine |
| 05/02/2006 | US7036347 Device for embossing and/or satin-finishing a flat material |
| 04/27/2006 | DE102004050160A1 Verfahren zum Herstellen einer Wellrippe und Wärmeübertragerblock mit nach dem Verfahren hergestellten Wellrippen A method for manufacturing a corrugated fin and heat transfer block made by the method with corrugated fins |
| 04/20/2006 | WO2006040408A1 Apparatus for processing a sheet |
| 04/13/2006 | WO2006037624A1 Mounting device having a metallic base plate with multiple hook-like projections obtained by stamping or laser cutting and bending |
| 04/12/2006 | EP1644682A1 Pressure containing heat transfer tube and method of making thereof |
| 04/11/2006 | US7024907 Method and device for manufacturing a structured packing corrugation, and corresponding fluid-treatment apparatus |
| 04/11/2006 | US7024904 Contour roll former in particular for extruded metal profiles |
| 04/05/2006 | CN1756619A Corrugated fin feeding apparatus and feeding method |
| 03/30/2006 | WO2006033382A1 Louver fin and corrugate cutter |
| 03/30/2006 | WO2006032369A1 Modifying surfaces of work-pieces and forming tools |
| 03/30/2006 | US20060065033 Embossing unit |
| 03/22/2006 | EP1637247A1 Modifying surfaces of workpieces and forming tools |
| 03/22/2006 | EP1635968A2 Method and apparatus for forming a turbulizer |
| 03/22/2006 | CN1748888A Method of machining a shifting shaft for a gearbox |
| 03/15/2006 | EP1634660A1 Methods and apparatus for forming stiffening structures in a strip material |
| 03/15/2006 | EP1633506A1 Method and device for producing a structured sheet metal strip |
| 03/15/2006 | CN1748075A Method and tool for producing structured sheet metal layers, and catalyst support |
| 03/14/2006 | US7011893 Metallic layer with regions of varying material thickness, method for producing such a metallic layer and honeycomb body at least partly produced from such metallic layers |
| 03/08/2006 | CN1743781A Complex heat pipe controller, and its manufacturing method and use |
| 03/08/2006 | CN1743780A Complex heat pipe and its manufacturing method |
| 03/08/2006 | CN1244417C Method and apparatus for producing structural filler corrugated plate and corresponding fluid treatment equipment |
| 03/01/2006 | EP1628789A1 Production of a structured sheet metal for devices for treating exhaust gas |
| 03/01/2006 | EP1628764A1 Microstructure relieved of notching |
| 02/21/2006 | US7000443 Apparatus and method for folding a sheet material |
| 02/02/2006 | US20060022301 Corrugation forming apparatus, corrugation forming method, and fuel cell metal separator formed by the corrugation forming method |
| 01/25/2006 | CN2753483Y Memorial coin pressing machine |
| 01/24/2006 | US6988544 Heat exchanger and method of manufacturing core plate |
| 01/18/2006 | CN2751929Y Apparatus for producing section from sheet material by rolling |
| 01/18/2006 | CN1237198C Tool and its finishing method of surface for center fin member of air conditioner for vehicle |
| 01/11/2006 | CN1235691C Apparatus of intelligent production of spiral reinforcement bar |
| 12/21/2005 | EP1110016B1 Gasket for heat exchanger and method and apparatus for manufacturing same |
| 12/21/2005 | CN2746994Y Equipment for roling formation of novel thin sheet wheel of pressing steel plate machine |
| 12/15/2005 | WO2005118174A1 Pleated sintered metal fiber medium |
| 12/15/2005 | US20050274012 Method and tool for producing structured sheet metal layers, method for producing a metal honeycomb body, and catalyst carrier body |
| 12/14/2005 | CN1706571A Integral screw blade winding and pressing formation apparatus and process |
| 12/08/2005 | DE102004017902A1 Roll forming machine used in production of roof or facade materials made of metal sheets, includes movable forming mechanisms for forming roll of roof or facade materials out of metal sheets |
| 12/01/2005 | US20050262918 Method and apparatus for pressing sheet material |
| 12/01/2005 | DE102004019772A1 Sheet metal drawing press has moving upper section and fixed lower section with interchangeable tools |
| 11/30/2005 | CN2743053Y Thread tube rolling machine |
| 11/29/2005 | US6968891 Louver fin and corrugation cutter for forming louver fin |
| 11/23/2005 | EP1276574B8 Method and plant for manufacturing a partially corrugated sheet metal for heat exchangers |
| 11/23/2005 | CN1228154C Method and apparatus for manufacturing skid-proof flat iron |
| 11/22/2005 | US6968254 Feedback controlled tension applying system |
| 11/02/2005 | EP1590557A1 Method and tool for producing structured sheet metal layers, and catalyst support |
| 10/25/2005 | US6957558 Encaustic metal tile fabrication equipment |
| 10/20/2005 | US20050230033 Method for forming a metallic flat material, production method for a composite material and devices for carrying out said methods |
| 10/13/2005 | US20050223771 Metal sheet for building purposes, and method and apparatus for marking such sheets |
| 10/11/2005 | US6953138 Surgical stapler anvil with nested staple forming pockets |
| 10/06/2005 | US20050217338 Method for forming ridges in a shaft member |
| 10/05/2005 | CN1676234A Method for forming ridges in a shaft member |
| 09/28/2005 | CN1675009A Splined clutch hub and method of marking same |
| 09/27/2005 | US6948350 Wave-processing method and wave-processing die for core metal of wet friction material |
| 09/21/2005 | EP1276574B1 Method and plant for manufacturing a partially corrugated sheet metal for heat exchangers |
| 09/21/2005 | CN2726869Y Floating roll type plastic and metal strap embossing device |
| 09/15/2005 | DE102004061295A1 Riffelungsformungsvorrichtung, Riffelungsformungsverfahren, und durch das Riffelungsformungsverfahren hergestellter Brennstoffzellen-Metallseparator Corrugation forming apparatus corrugation forming process, and produced by the corrugation forming process fuel cell metal separator |
| 09/14/2005 | CN2724875Y Rolling mill to roll rib on outer angle protecting ring for packing steel sheet roll |
| 09/01/2005 | WO2005080018A1 Corrugate fin producing device and corrugate fin producing method |
| 09/01/2005 | US20050188740 Press forming apparatus for fuel cell metal separator and press forming method therefor |
| 08/24/2005 | CN2719448Y T-type three-shaft special rolling machine |
| 08/24/2005 | CN2719441Y Apparatus for pressing corrugated plate having fine brush line at end portion |
| 08/18/2005 | US20050178182 Metal-forming die and method for manufacturing same |
| 08/04/2005 | US20050167088 Fin array for heat transfer assemblies and method of making same |
| 08/03/2005 | EP1558408A1 Process and production line for manufacturing ultrathin hot rolled strips based n the thin slab technique |
| 08/03/2005 | CN1649682A Profiled steel decking sheets |
| 07/28/2005 | DE102004001418A1 Fluid-Umformung von Metallblechen Fluid-forming sheet metal |
| 07/26/2005 | US6920775 Capable of forming an improved building panel that includes notched inclined side walls; imparts a unique design of notched inclined side walls; incorporates two sets of male and female crimping roller, wherein each set imparts a notch |
| 07/21/2005 | WO2005065859A1 Fluid forming of metal sheets |
| 07/21/2005 | US20050155740 Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique |
| 07/14/2005 | DE10241230B4 Verfahren und Vorrichtung zum kontinuierlichen Pressen von einem Abschnitt einer profilierten Bahn Method and device for continuous pressing of a section of a profiled rail |
| 07/14/2005 | DE102004058191A1 Press-forming apparatus for metal separator, has center die whose upper mold is slidable with respect to upper mold of intermediate die when upper mold of periphery die and upper mold of intermediate die are mutually fixed |
| 07/12/2005 | US6915675 High thermal efficiency heat exchanger, partially corrugated sheet metal for heat exchangers, plant and procedure for obtaining said partially corrugated sheet metal |
| 06/30/2005 | WO2005058521A1 Foldable mandrel for production of a single curvature folded core for a sandwich panel |
| 06/23/2005 | WO2005056209A1 Device for sheet material corrugation |
| 06/23/2005 | WO2005056208A1 Device for sheet material corrugation |
| 06/23/2005 | US20050137087 Metallic layer with regions of varying material thickness, method for producing such a metallic layer and honeycomb body at least partly produced from such metallic layers |
| 06/22/2005 | CN1628918A Hot-rolled patterned steel sheet production method |
| 06/16/2005 | US20050126249 Splined clutch hub and method of marking same |
| 06/15/2005 | EP1541254A1 Method for manufacturing a metal sheet with increased wall-thickness and joint comprising said metal sheet |
| 06/15/2005 | CN1628002A Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique |
| 06/14/2005 | US6904677 Method of manufacturing tube and apparatus for manufacturing the same |
| 06/08/2005 | CN1625449A Metal sheet for building purposes, and method and apparatus for making such sheets |
| 06/02/2005 | US20050115299 Sheetmetal forming method |
| 06/01/2005 | EP1534444A2 Splined clutch hub and method of making same |
| 05/26/2005 | WO2005046900A1 Thin-plate shape memory alloy and method of manufacturing the same |
| 05/26/2005 | WO2005009639A3 Center shifted roll forming |
| 05/26/2005 | US20050113236 Process and apparatus for producing an ordered packing |
| 05/19/2005 | WO2005021411A3 Apparatus and method for folding a sheet material |
| 05/19/2005 | WO2004108320A3 Method and apparatus for forming a turbulizer |
| 05/19/2005 | US20050103087 Process for producing corrugated plate and device for producing corrugated plate |
| 05/18/2005 | CN2700018Y Reel pressing former for integral helical blade |
| 05/12/2005 | US20050097746 Louvered fin for a heat exchanger |
| 05/11/2005 | CN2698483Y C-shape steel forming machine |
| 05/06/2005 | WO2005039796A1 Device for shaping stepped projections on a sheet material |
| 04/27/2005 | EP1525378A1 Metallic layer with regions of varying material thickness, method for production of such a metallic layer and honeycomb at least partly made from such metallic layers |
| 04/14/2005 | WO2005032739A1 Mobile roll former assembly |