| Patents for B21D 53 - Making other particular articles (18,517) |
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| 04/15/2004 | US20040071582 Method for manufacturing flange for compressor |
| 04/15/2004 | US20040069837 Method of manufacturing plate type titanium heat exchanger |
| 04/15/2004 | US20040068871 Micro-textured heat transfer surfaces |
| 04/15/2004 | DE10254695B3 Production of a metallic component, especially a vehicle body component, from a semifinished product made of non-hardened heat-deformable sheet steel comprises cold-forming, trimming, hot-forming and press-hardening processes |
| 04/14/2004 | EP1407957A1 Shock absorbing type steering device for vehicles and method of producing the same |
| 04/14/2004 | CN2611070Y Safety conveying device for metal zipper teeth-making machine |
| 04/14/2004 | CN1145989C Coil forming apparatus and method |
| 04/14/2004 | CN1145779C 热交换器 Heat exchanger |
| 04/14/2004 | CN1145562C Vehicle frame member having a shock absorbing mounting portion and a method for making the same |
| 04/13/2004 | US6719375 Wheel rim and wheel rim manufacturing method |
| 04/13/2004 | US6718860 Method and apparatus for making holes in pipe |
| 04/13/2004 | US6718813 Pipe rack forming method and apparatus |
| 04/08/2004 | WO2004028722A1 Cold formed differential housing with integrated ring gear |
| 04/08/2004 | WO2004028720A1 Process for producing tubular ring with beads and die for use therein |
| 04/08/2004 | US20040065128 Device for correcting circumferential lenght of metal ring |
| 04/08/2004 | DE10303184B3 Plate production process for plates varying in thickness involves forging metal sheet in tool with punch |
| 04/08/2004 | DE10234253B3 Crashbox für Kraftfahrzeuge Crashbox for motor vehicles |
| 04/07/2004 | CN1486801A Method and equipment for producing ring metal strap |
| 04/07/2004 | CN1144637C Mechanized equipment for manufacturing claw chain |
| 04/01/2004 | US20040060336 Method for machining profiles such as door or window frame profiles and corresponding machine for machining, profiles, such as profiles of frames and leaves of doors or windows |
| 03/31/2004 | EP1403055A1 Method of fabrication of electrostatic liquid emission device |
| 03/31/2004 | EP1401594A1 Apparatus and method for forming a three-dimensional object |
| 03/31/2004 | EP1222041A4 Method of crushing a tube |
| 03/31/2004 | CN2608186Y Double width plate milling pulley |
| 03/31/2004 | CN2608185Y Rolling bending device |
| 03/25/2004 | WO2004025065A1 Method and apparatus for assembling a 2-piece skin door |
| 03/25/2004 | US20040058764 Poly-V pulley made of metal sheet and method of manufacturing the same |
| 03/25/2004 | US20040055668 Method for making integrated circuit aluminium panels |
| 03/25/2004 | US20040055126 Fabrication of liquid emission device with symmetrical electrostatic mandrel |
| 03/25/2004 | DE10209896B4 Verfahren und Vorrichtung zur Herstellung eines mit einer Verzahnung versehenen, rotationssymmetrischen Getriebeteiles Method and apparatus for producing a provided with a toothing, a rotationally symmetrical gear part |
| 03/25/2004 | DE10131889B4 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 |
| 03/24/2004 | EP1399280A1 Method of manufacturing heat transfer tubes |
| 03/24/2004 | CN2607213Y Shaper for decorative metal chain |
| 03/24/2004 | CN1484564A Plate member shearing apparatus method for shearing plate member and sheared piece of plate member |
| 03/24/2004 | CN1142837C Method and apparatus for manufacturing bent products |
| 03/23/2004 | US6708383 Method for setting free-state diameter of metal ring |
| 03/18/2004 | US20040050130 Method and forming machine for deforming a hollow workpiece |
| 03/18/2004 | US20040049915 Method for prestressing tubes of a heat exchanger with precise tailoring of the prestress |
| 03/18/2004 | DE19740286B4 Bauteil, bestehend aus mehreren Flachmateriallagen und Verfahren zu seiner Herstellung Component, consisting of several layers of flat material and process for its preparation |
| 03/17/2004 | EP1398096A1 Method for making integrated circuit aluminium panels |
| 03/17/2004 | EP1397218A1 Apparatus and method for manufacturing an automotive beam |
| 03/17/2004 | EP1179167B1 Heat exchanger and method for producing a heat exchanger |
| 03/17/2004 | EP1125090B1 Heat exchanger, method and apparatus for producing same |
| 03/17/2004 | CA2441036A1 Process for preloading heat exchanger tubes with a precise preload setting |
| 03/16/2004 | CA2087109C Method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
| 03/11/2004 | WO2004020857A1 Device and method for the axial positioning of a component on a shaft |
| 03/11/2004 | US20040048707 Element for belt for continuously variable transmission and method of blanking such element |
| 03/11/2004 | US20040045518 Rocker arm |
| 03/11/2004 | US20040045333 Reinforcement device |
| 03/11/2004 | US20040045151 Method of manufacturing piping having joining portion |
| 03/11/2004 | DE10301872B3 Sheet metal automobile airbag cover manufacturing method provides loops between peripheral frame and central region by bending material strips with overlapping of frame arms for length compensation |
| 03/10/2004 | EP1395787A1 Louvered fins for heat exchanger |
| 03/10/2004 | EP1395785A1 A method for producing a head element for heaters |
| 03/10/2004 | EP1095229A4 Water jacket assembly |
| 03/10/2004 | CN1480654A Thread structure and parts mounting element with same |
| 03/10/2004 | CN1480258A Method for making screen sieves of rice mill |
| 03/10/2004 | CN1141194C Method for manufacturing heat exchanging tube of heat exchanger |
| 03/09/2004 | US6701763 Hydroformed axle with weldless brake flange and bearing shoulder |
| 03/09/2004 | US6701627 Composite utility knife blade |
| 03/09/2004 | US6701617 Spin-forming method for making catalytic converter |
| 03/09/2004 | CA2212725C Spun pulley with thick hub and method |
| 03/04/2004 | WO2004018954A1 Connecting heat-radiating fins and tubes for radiator |
| 03/04/2004 | US20040041007 Method of producing clamping rings |
| 03/04/2004 | US20040040636 Metallic member forming method |
| 03/04/2004 | US20040040360 Method of manufacturing blade retainer and manufacturing devices therefor |
| 03/04/2004 | DE20319884U1 Formed metal part with hub, used as drive disc, includes section for increasing thickness of hub base region |
| 03/04/2004 | DE10338873A1 Ventilkipphebel Rocker |
| 03/03/2004 | EP1393834A1 Peripheral length correction device of metal rings |
| 03/03/2004 | EP1393833A1 Manufacturing method of endless metal belt and manufacturing apparatus of endless metal belt |
| 03/03/2004 | EP1393831A2 Apparatus for bending hollow profiles |
| 03/03/2004 | EP1128970B1 Full faced steel vehicle wheel and method of manufacture |
| 03/03/2004 | CN1479657A Method for making integrated circuit aluminium panels |
| 03/03/2004 | CN1478620A Method for manufacturing pipeline system with connecting part |
| 03/03/2004 | CN1478619A Method for manufacturing element of continuous variable transmission belt |
| 03/03/2004 | CN1140424C Production process of stainless steel wheel for motor vehicle |
| 03/02/2004 | US6698177 Cam mechanism for translation of circular motion into reciprocal motion |
| 02/26/2004 | WO2004016367A1 Press for tube notching provided with a mandrel which is arranged inside said tube and a piece corresponding to produced notch |
| 02/26/2004 | US20040036344 Loop hanger for seat belt and method for manufacturing same |
| 02/26/2004 | US20040035382 Rocker arm |
| 02/26/2004 | US20040035172 Device and method for hemming processing |
| 02/26/2004 | US20040035170 Rolling device for ring |
| 02/26/2004 | US20040035163 Apparatus and method of correcting deformation of gas turbine blade |
| 02/26/2004 | US20040034975 Method for producing a hollow shaft, in particular a camshaft and a camshaft produced according to said method |
| 02/26/2004 | DE4321779B4 Verfahren zur Herstellung eines Starterkranz-Zahnrads aus Blech und nach dem Verfahren hergestelltes Starterkranz-Zahnrad Process for the preparation of a starter ring gear-from sheet metal and produced by the process starter ring gear |
| 02/26/2004 | DE10335508A1 Verfahren zur Herstellung eines Katalysators durch Rotations-Verformung A process for preparing a catalyst by rotational deformation |
| 02/26/2004 | DE10236701A1 Component axial positioning device for shaft of DC electric motor e.g. for automobile applications, provided by shaft projection obtained by plastic deformation |
| 02/26/2004 | DE10236407A1 Hollow profile bar bending tool uses bending jaw and bending support round pivot axis so two support sectors address bar walls at greater spacing aided by wedge type backholder. |
| 02/25/2004 | CN2604256Y Open shapes bias cutting stamp die |
| 02/25/2004 | CN1478153A Tool and its finishing methof of surface for center fin member of air conditioner for vehicle |
| 02/19/2004 | WO2003076825A3 Pinion carrier for planetary gear train and method of making same |
| 02/19/2004 | US20040031595 Method for producing an integrated heat exchanger and an integrated heat exchanger produced thereby |
| 02/19/2004 | US20040031153 Cool Forming of splined transmission hubs |
| 02/19/2004 | DE10127546B4 Verfahren zur Herstellung einer Klinge eines Schneidwerkzeugs und das Halbzeug zu dessen Realisierung A process for producing a blade of a cutting tool and the semi-finished for its realization |
| 02/18/2004 | EP1389694A1 Synchronizer sleeve used in power transmission and press-forming apparatus for the same |
| 02/18/2004 | EP1389501A1 Flexible procedure for flow forming light alloy wheels and the relative machine |
| 02/18/2004 | EP1389497A1 HYDROFORM PROCESS, AND HYDROFORM PRODUCT FORMED BY THE PROCESS |
| 02/17/2004 | US6691547 Method of doing business and manufacturing in a stamping and extrusion facility |
| 02/17/2004 | US6691542 Method and apparatus for manufacturing a cylindrical member, and cylindrical member having splines |
| 02/12/2004 | US20040029670 Method for making elements of a continuously variable transmission belt |
| 02/12/2004 | US20040025977 Wheel rim production method |