| 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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| 08/22/2002 | US20020112811 Method and device for manufacturing a structured packing corrugation, and corresponding fluid-treatment apparatus |
| 08/15/2002 | WO2001078916A3 High thermal efficiency heat exchanger, partially corrugated sheet metal for heat exchangers, plant and procedure for obtaining said partially corrugated sheet metal |
| 08/15/2002 | US20020108225 Method of locating the blade holders in a fin folding machine |
| 08/14/2002 | EP1231051A1 Method and apparatus for producing corrugated sheets and apparatus for treating fluids |
| 08/13/2002 | CA2149914C Sheet material, method of producing same and rolls for use in the method |
| 08/09/2002 | CA2370342A1 Method and device for manufacturing a structured packing corrugation, and corresponding fluid-treatment apparatus |
| 08/07/2002 | EP1229296A1 Louvered fin for a heat exchanger |
| 07/24/2002 | CN1359768A Device for making honeycomb structure of waste gas exhausting controlling means |
| 06/12/2002 | EP1212154A1 Method and device for producing a corrugated sheet that is provided with a corrugation |
| 05/30/2002 | US20020062624 Panel crimping machine having a gap adjustment mechanism |
| 05/30/2002 | US20020062621 Batten elements for securing tiles to a roof and method of making the battens |
| 05/28/2002 | US6393796 Batten elements for securing tiles to a roof and method of making the battens |
| 05/21/2002 | CA2228496C Roll forming machine for an indeterminate length metal roof panel |
| 05/01/2002 | CN1346782A Lower conveying belt with stop land for corrugated steel sheet shaper |
| 05/01/2002 | CN1083766C Machine for wave-shaped material reforming |
| 04/25/2002 | WO2002032599A1 Metal plate having mesh-type bead for duct and apparatus of producing the same |
| 04/18/2002 | WO2002030590A1 Method and device for bending a line of material |
| 04/04/2002 | DE10138941A1 Fabrication method for bands/foils of ceramic and powder metallurgical materials uses structured forming part with two toothed forming combs to form wave-shape |
| 04/04/2002 | DE10131889A1 Verfahren zur Herstellung eines wellenförmigen Flügels für Plattenwärmetauscher und Vorrichtung zur Durchführung des Verfahrens A process for producing a wave-shaped wing for plate heat exchangers and apparatus for carrying out the method |
| 03/28/2002 | WO2002024368A1 A panel crimpring machine |
| 03/28/2002 | US20020035904 Method and device for cutting a sheet material into strips and a corrugated-fin strips forming apparatus using the device |
| 03/27/2002 | EP1190785A2 Method and device for cutting a sheet material into strips and a corrugated-fin strips forming apparatus using the device |
| 03/21/2002 | WO2002022285A1 Method and apparatus for the continuous press-forming of wide panels |
| 03/12/2002 | US6354368 Fin for a one-piece heat exchanger and method of manufacturing the fin |
| 02/21/2002 | DE10039009A1 Foil made of metal is provided with waves and/or folds in such a way that it is stretchable in both longitudinal and lateral directions |
| 02/14/2002 | US20020018908 Structures having enhanced slip-resistant surfaces and associated methods |
| 02/13/2002 | CN2476363Y Roll-pulling forming machine for steel sheet net with v-shaped rib |
| 02/13/2002 | CN2476362Y Punch for steel sheet net with V-shaped rib |
| 02/06/2002 | EP0665776B1 Manufacturing line for shaping steel strips |
| 01/30/2002 | EP0891234B1 Method of making rigid, thin sheetmetal and rolls for use in such a method |
| 01/23/2002 | CN2472836Y Production equipment special for folding hook and pulling rod |
| 01/23/2002 | CN2472835Y V-shape rib rolling and forming machine |
| 01/23/2002 | CN2472834Y Keel hook punching machine |
| 01/16/2002 | EP0935506B1 Method and apparatus for skew corrugating foil |
| 01/16/2002 | CN1331615A Method and appts. for making structured packing element |
| 01/10/2002 | US20020002853 Method for manufacturing a corrugated fin for a plate-type heat exchanger and device for implementing such a method |
| 01/08/2002 | USRE37497 Apparatus and method for forming metal building panels |
| 12/27/2001 | WO2001097991A1 Improvements in roll-forming sheet material |
| 12/26/2001 | CN2467221Y Different section corrugated plate processing forming machine |
| 11/29/2001 | WO2001091212A1 Thin, meshy porous body and method of manufacturing the porous body |
| 11/27/2001 | US6321584 Method and machine for making folded fins for a heat sink |
| 10/25/2001 | WO2001078916A2 High thermal efficiency heat exchanger, partially corrugated sheet metal for heat exchangers, plant and procedure for obtaining said partially corrugated sheet metal |
| 10/24/2001 | CN2455403Y Spiral pipe shaping apparatus |
| 10/18/2001 | US20010029767 Device and method for manufacturing turbulators for use in compact heat exchangers |
| 10/17/2001 | EP0697925B1 Microprocessor controlled apparatus and method for forming metal building panels |
| 10/17/2001 | CN1072992C Method and appts. for zigzag-like folding of striplike foil |
| 10/10/2001 | EP0637273B1 Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions |
| 09/18/2001 | US6289707 Apparatus for manufacturing roofing or cladding panels |
| 09/13/2001 | WO2001066301A1 Vehicle bed edge and manufacturing process |
| 09/13/2001 | US20010021462 Method for corrugating a metal foil and packages of such foil |
| 09/13/2001 | DE10101059A1 Platte mit regelmäßigen Vorsprüngen und Verfahren und Vorrichtung für deren Ausbildung Plate with regular projections and method and apparatus for their education |
| 09/11/2001 | US6286353 Process for producing at least one structured metal sheet, process for producing a laminated metal sheet pack and apparatus for producing structured metal sheets |
| 09/06/2001 | DE10006348A1 Bauteil mit lokal begrenzten Versteifungsbereichen und Verfahren zu seiner Herstellung Component having localized areas of stiffening and process for its preparation |
| 08/30/2001 | WO2001062409A1 Method for production of a packing for material and heat exchange |
| 08/30/2001 | DE10008983A1 Verfahren zur Herstellung einer Packung für den Stoff- und Wärmeaustausch A process for producing a package for material and heat exchange |
| 08/29/2001 | EP1126939A1 Methods and apparatus for forming a beaded can end |
| 08/23/2001 | US20010015086 Apparatus for moving of sheet metal strip |
| 08/23/2001 | US20010015085 Flat turbulator for a tube and method of making same |
| 08/22/2001 | EP1124632A2 Method and apparatus for making structured packing element |
| 08/21/2001 | US6276045 Method and apparatus for making structured packing element |
| 08/21/2001 | US6276044 Shaped multilayer metal foil shield structures and method of making |
| 08/16/2001 | WO2001058615A1 Component with locally limited reinforcement regions and method for production thereof |
| 08/16/2001 | EP1123759A2 Method for corrugating a metal foil and packages of such foil |
| 08/02/2001 | US20010010865 Flexible corrugated multilayer metal foil shields and method of making |
| 07/24/2001 | US6263715 Cold-forming |
| 07/19/2001 | US20010008719 Plate with regular projections, and device and method for forming the plate |
| 07/17/2001 | US6261702 Embossed rolled steel and embossing roll and method for making the same |
| 07/14/2001 | CA2330259A1 Plate with regular projections, and device and method for forming the plate |
| 07/04/2001 | EP1112788A1 Device for stepwise bending of metal sheets or strips |
| 06/27/2001 | EP1110016A1 Gasket for heat exchanger and method and apparatus for manufacturing same |
| 06/20/2001 | CN1067339C Metal ornament and its application method for furnitures and handicraft flat frame |
| 06/14/2001 | CA2328488A1 Device and method for manufacturing turbulators for use in compact heat exchangers |
| 06/13/2001 | EP1106274A2 Formpiece of non-uniform thicknes and method of making |
| 06/13/2001 | EP1105230A1 Method for forming sheet metal strip |
| 06/13/2001 | EP0990110B1 Air preheater heat transfer elements and method of manufacture |
| 06/13/2001 | DE19957910A1 Verfahren zum Herstellen eines Formbauteils ungleichmäßiger Dicke A method for producing a molded component of non-uniform thickness |
| 06/13/2001 | CN1066986C Process for correcting distorsion of electrolytic seed plates |
| 06/06/2001 | CN2433031Y Ridge pressing machine |
| 06/05/2001 | US6241256 Gasket for heat exchanger and method and apparatus for manufacturing same |
| 05/29/2001 | US6238316 Differential axle speed sensing mechanism |
| 05/01/2001 | US6223580 Method and apparatus for continuous monitoring and amplitude adjustment of adjustable length heating element |
| 04/10/2001 | US6213158 Flat turbulator for a tube and method of making same |
| 04/10/2001 | US6212764 Link bending machine |
| 04/04/2001 | CN1290323A Method for producing honeycombed body by using hard sheet metal |
| 04/03/2001 | US6209375 Panel assembly and panel forming apparatus |
| 03/28/2001 | EP0938380B1 Method and device for producing structured sheet metal |
| 03/27/2001 | US6207293 Flexible corrugated multilayer metal foil shields and method of making |
| 03/22/2001 | WO2001019545A1 Method and device for producing a corrugated sheet that is provided with a corrugation |
| 03/15/2001 | DE19957585A1 Verfahren und Vorrichtung zur Herstellung eines eine Wellung aufweisenden Wellblechs Method and apparatus for manufacturing a corrugated sheet having a corrugation |
| 03/14/2001 | CN1287511A Apparatus for moving of sheet metal strip |
| 03/06/2001 | US6195874 Folded fin forming method, machine and folded fin obtained therefrom |
| 02/27/2001 | US6192731 Method for forming sheet metal strip |
| 02/14/2001 | CN2418979Y Corrugated plate rolling mill |
| 02/14/2001 | CN1061928C Method for producing mould of rubber gloves |
| 02/13/2001 | US6185899 Metal panel structures |
| 02/06/2001 | US6183879 Rigid thin sheet material and method of making it |
| 01/09/2001 | US6171227 Embossing unit |
| 01/03/2001 | EP1065466A2 Flat turbulator for a tube and method of making same |
| 01/03/2001 | EP0917507B1 Forming a composite panel |
| 12/26/2000 | US6164107 Radius crimping tool |