| Patents for B21K 21 - Making hollow articles not covered by any single one of groups (1,317) |
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| 05/21/2003 | EP1311358A1 Device for forming an end area of a workpiece |
| 05/20/2003 | US6565684 Casting a billet of an aluminum alloy containing zinc= 6.25-8.0, Magnesium=1.2-2.2, copper=1.7-2.8, iron less than 0.20, iron+silicon less than 0.40 and one other element, homogenizing, softening annealing, cutout a slag, extrusion |
| 05/08/2003 | WO2002016059A3 Narrow diameter needle having reduced inner diameter tip |
| 05/08/2003 | US20030087705 Forging method of a hollow part |
| 05/06/2003 | US6558263 Forging method of a hollow part |
| 04/24/2003 | US20030074947 Method for producing a housing for a ball joint |
| 04/23/2003 | EP0981471B1 Housing block |
| 04/17/2003 | US20030071149 Method of making a thin wall nozzle |
| 04/15/2003 | US6546778 Tool for removing damaged fasteners and method for making such tool |
| 04/02/2003 | CN2542366Y Portal frame tube end upsetter |
| 03/27/2003 | US20030060296 Method of manufacturing an expansion sleeve |
| 03/27/2003 | US20030056622 Tool for removing damaged fasteners and securing new fasteners and improved method for making such tool |
| 03/13/2003 | US20030046969 Device for forming an end area of a workpiece |
| 03/12/2003 | EP1291095A2 Method of manufacturing an expanding sleeve |
| 03/12/2003 | EP1289817A1 Brake servo unit comprising a bushing adjustable by deformation, and assembly for adjusting the bushing |
| 02/27/2003 | US20030038190 Nozzle for precision liquid dispensing and method of making |
| 02/13/2003 | US20030029533 For extrusion procedures, and tubing that are used in heat exchangers |
| 02/06/2003 | WO2002059383A3 Manufacturing process for making engine components of high carbon content steel using cold forming techniques |
| 02/05/2003 | EP1281456A2 Method of making a one piece metal press-fitting |
| 01/30/2003 | WO2003008656A2 Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 01/30/2003 | WO2003008129A1 Vibration isolating bush, and method of producing the same |
| 01/30/2003 | US20030019269 Method and a press cylinder device for producing a hollow body |
| 01/29/2003 | CN1393300A Technology for manufacturing blank of valve ball |
| 01/28/2003 | US6511560 Sharp bottom edges, corners and projections and the compression ratio is limited to a certain level to prevent flow marks on the surface; casings of cell phones, computers, and electronic recording media |
| 01/21/2003 | US6508002 Bicycle crank arm and method of making same |
| 01/09/2003 | US20030005740 Fabrication method of metal shell of spark plug |
| 01/08/2003 | CN1390162A Making closed end tubes for surgical instrument |
| 01/08/2003 | CN1389313A Hollow ball making process |
| 01/02/2003 | EP0594810B2 Bobbin body and process for producing the same |
| 11/21/2002 | US20020170331 Tube drawing method and device |
| 11/13/2002 | EP1097012B1 Method for producing an inner profile or an outer profile by rotary kneading |
| 11/06/2002 | EP1253984A1 Method and a press cylinder device for producing a hollow body |
| 11/05/2002 | US6474127 Pressing method, in particular for obtaining hydraulic cylinders and high-pressure filters |
| 10/31/2002 | US20020160844 Process for producing rotationally symmetrical components |
| 10/31/2002 | DE10215415A1 Rotarily symmetrical component producing process involves partly heating tube of specified wall thickness, axially forging heated region and radially swaging this region |
| 10/31/2002 | DE10120392A1 Verfahren zum Herstellen von rotationssymmetrischen Bauteilen A process for the manufacture of rotationally symmetrical components, |
| 10/30/2002 | EP1252948A1 Method of manufacturing ball joint housing |
| 10/30/2002 | EP1252946A2 Method for producing rotationally symmetric parts |
| 10/24/2002 | DE10118032A1 Pipe-drawing process involves exerting traction forces via drawing sector already passed through effective drawing cross section |
| 10/10/2002 | US20020145061 Nozzle for precision liquid dispensing and method of making |
| 10/09/2002 | CN1092157C Bushing base with mounted nozzles |
| 10/03/2002 | WO2002076652A1 Hollow construction element and method of producing |
| 10/02/2002 | EP1245307A2 Manufacturing method of component part for variable capacity turbine, and the structure |
| 10/01/2002 | US6458224 Aluminum alloys with optimum combinations of formability, corrosion resistance, and hot workability, and methods of use |
| 10/01/2002 | US6457236 Apparatus and method for restricting fluid flow in a planar manifold |
| 09/26/2002 | US20020136630 Manufacturing method of component part for variable capacity turbine, and the structure |
| 09/25/2002 | EP1242202A1 Improved tool for removing damaged fasteners and method for making such tool |
| 09/25/2002 | CN1370643A Machining process of collecting pipe for quenching waste heat boiler |
| 09/12/2002 | WO2002070170A1 Method for heading a bushing, particularly a bushing forming an elastic articulation and the elastic articulation and bushing obtained using said method |
| 09/12/2002 | US20020124379 Method for installing end member to hollow shaft member |
| 09/11/2002 | CN1368414A Technology for making push tube with thick-wall type for producing dies |
| 09/06/2002 | EP1117501A4 Process for manufacturing a captive screw |
| 08/28/2002 | EP0892689B1 Process for increasing the wall thickness in hollow sections |
| 08/28/2002 | CN1366678A Radioactive substance containment vessel, and radioactive substance containment vessel producing device and producing method |
| 08/14/2002 | EP1230507A2 Apparatus for swaging an object |
| 08/06/2002 | US6427509 Process for producing a distal end support member of an endoscopic treatment tool |
| 08/01/2002 | WO2002059383A2 Manufacturing process for making engine components of high carbon content steel using cold forming techniques |
| 08/01/2002 | US20020100305 System for cold-forming a flange |
| 07/25/2002 | DE10100868A1 Verfahren sowie Umformmaschine und Werkzeug zum Herstellen von flanschförmigen Erzeugnissen Method and forming machine and tool for producing flange products |
| 07/18/2002 | WO2002055232A1 Method for producing a housing for a ball joint |
| 07/18/2002 | DE10100668A1 Verfahren zur Herstellung eines Kugelgelenkgehäuses A method of manufacturing a ball joint housing |
| 07/11/2002 | DE10135879A1 End part fitting process for hollow shaft component involves fitting hard metal column-type end part made as pass fit into soft metal hollow shaft component |
| 07/11/2002 | DE10106999C1 Behälter aus einer Leichtmetalllegierung und Verfahren zu seiner Herstellung Container made of a light metal alloy and process for its preparation |
| 07/10/2002 | EP1221492A2 Light alloy container and method for its production |
| 07/04/2002 | WO2002052166A1 Outer shell unit and method of manufacturing the unit |
| 07/04/2002 | US20020086177 Container made of a light metal alloy and process for its manufacture |
| 07/03/2002 | EP1219853A2 Method of producing vibration-isolating bushing |
| 06/27/2002 | US20020079614 Method of producing vibration-isolating bushing |
| 06/20/2002 | US20020073757 Method of manufacturing a crown-shaped component |
| 06/19/2002 | EP0910554B1 Bushing base with mounted nozzles |
| 06/11/2002 | US6401511 Method for manufacturing metal material with an intermediate hollow and two solid end portions |
| 06/05/2002 | CN1352740A Armour-piercing bullet and its producing method |
| 06/05/2002 | CN1352581A Method for producing casing of ball joint |
| 05/30/2002 | WO2002042021A1 Method for manufacturing arm of joint and joint |
| 04/18/2002 | DE19953525C2 Verfahren zur Herstellung eines metallischen Rohrformstückes A method for manufacturing a metal pipe shaped piece |
| 04/11/2002 | US20020040625 Tool for removing damaged fasteners and method for making such tool |
| 04/03/2002 | EP1193720A1 Radioactive substance containment vessel, and radioactive substance containment vessel producing device and producing method |
| 03/27/2002 | EP1190809A2 Method of manufacturing a crown-shaped component |
| 03/21/2002 | DE10125865A1 Hochdruckmetallrohr mit Anschlusskopf, Verfahren zur Bildung des Kopfes und einer Anschlusszwischenscheibe für den Anschlusskopf High-pressure metal tube with the connection head, method for forming the head and a terminal washer for the connection head |
| 03/19/2002 | US6357274 Sparkplug manufacturing method |
| 03/14/2002 | DE10042635A1 Manufacture method for bicycle's crank - with solid head and tail using a shorter process at lower cost |
| 03/13/2002 | EP0889763B1 Variable-thickness extrusion method and extrusion unit in accordance with said method |
| 03/12/2002 | US6353989 Method of making recesses in metallic workpieces for use in torque transmitting apparatus |
| 03/07/2002 | DE10040595A1 Workpiece end area forming device has first pressure chamber between two force transmission elements |
| 03/06/2002 | CN1338978A Method and device for forming metals |
| 02/28/2002 | WO2002016059A2 Narrow diameter needle having reduced inner diameter tip |
| 02/26/2002 | US6350327 Process for manufacturing pipes |
| 02/26/2002 | CA2075738C Co-extruded shock tube |
| 02/21/2002 | WO2002013992A1 Device for forming an end area of a workpiece |
| 02/20/2002 | CN1336262A Tubular part forging method |
| 02/14/2002 | DE10037860A1 Zigarrenhülse aus Aluminium sowie Verfahren und Preßwerkzeug zum Herstellen einer solchen Hülse Cigar sleeve made of aluminum, as well as method and pressing tool for producing such a sleeve |
| 02/06/2002 | EP1177989A1 Aluminium cigar sleeve as well as method and press tool for the manufacture of such a sleeve |
| 01/22/2002 | US6339976 Tool for removing damaged fasteners and method for making such tool |
| 01/17/2002 | US20020005642 High-pressure metal pipe with connection head, method of forming the head and connection washer for the connection head |
| 01/17/2002 | US20020005078 Rack and pinion steering apparatus and method for manufacturing a helical pinion |
| 11/29/2001 | WO2001089901A1 Brake servo unit comprising a bushing adjustable by deformation, and assembly for adjusting the bushing |
| 11/27/2001 | US6321581 Process for increasing the wall thickness in hollow sections |
| 11/15/2001 | US20010039982 Manufacturing process for a hollow pressure vessel made of AlZnMgCu alloy |
| 11/13/2001 | US6316129 Thin plate with projections on surfaces, 1.5 mm or less, free from surface flow marks |
| 11/01/2001 | WO2001082308A1 Radioactive substance containment vessel, and radioactive substance containment vessel producing device and producing method |