| Patents for B21K 21 - Making hollow articles not covered by any single one of groups (1,317) |
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| 09/23/2004 | US20040181926 Making closed end tubes for surgical instruments |
| 09/23/2004 | DE10120392B4 Verfahren zum Herstellen von rotationssymmetrischen Bauteilen A process for the manufacture of rotationally symmetrical components, |
| 09/21/2004 | US6792786 Fabrication method of metal shell of spark plug |
| 09/08/2004 | EP1363707A4 Narrow diameter needle having reduced inner diameter tip |
| 08/19/2004 | WO2004069446A1 Method for the production of a high-pressure fuel tank |
| 08/19/2004 | WO2004030847A9 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece |
| 08/19/2004 | DE10304961B3 Verfahren zur Herstellung eines Kraftstoffhochdruckspeichers A process for producing a fuel high-pressure accumulator |
| 08/11/2004 | CN1519965A Cathode can for battery and its mfg. meethod |
| 08/05/2004 | WO2004065035A1 Method of processing end of sleeve, sleeve processed by this method, method of producing anti-vibration bushing, anti-vibration bushing, and pressing tool |
| 08/04/2004 | CA2456745A1 Anode can for battery and manufacturing method thereof |
| 07/29/2004 | US20040145290 Method of making metallic shell for spark plug, method of making spark plug having metallic shell and spark plug produced by the same |
| 07/29/2004 | US20040144643 Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 07/29/2004 | DE4214444B4 Verfahren zur Herstellung von Kugelschalen für Gleichlaufgelenke sowie Profildorn zur Verwendung in dem Verfahren Process for the preparation of spherical shells for constant velocity joints and profile mandrel for use in the method |
| 07/28/2004 | EP1441427A1 Method of making metallic shell for spark plug, method of making spark plug having metallic shell and spark plug produced by the same |
| 07/22/2004 | WO2004028722A8 Cold formed differential housing with integrated ring gear |
| 07/22/2004 | DE4313802B4 Verfahren zum Herstellen eines am einen Ende geschlossenen Doppelrohres A method of manufacturing a double tube closed at one end |
| 07/22/2004 | DE10260560A1 Schwenkbolzen einer Schaltschwinge A shift rocker pivot pin |
| 07/20/2004 | US6763587 Manufacturing method of component part for variable capacity turbine, and the structure |
| 07/15/2004 | DE10257882A1 Component manufacturing process for rotary-symmetric transmission involves producing a number of different coupling bodies from single blank |
| 07/08/2004 | US20040129113 Folding knives |
| 07/01/2004 | WO2004054739A1 Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool |
| 07/01/2004 | US20040123462 Hollow construction element |
| 07/01/2004 | US20040123445 Method of producing polygonal ring-shaped machine parts having complex cross-section |
| 07/01/2004 | DE10321544A1 Verschlussschraube aus metallischem Werkstoff, Verfahren zu deren Herstellung, Rohling dafür sowie Werkzeug dazu Screw plug made of metallic material, process for their preparation, as well as blank for tool to |
| 06/29/2004 | US6755747 Method of manufacturing an expansion sleeve |
| 06/23/2004 | EP1430969A1 Vibration isolating bush; and method of producing the same |
| 06/01/2004 | US6742236 Making closed end tubes for surgical instruments |
| 05/27/2004 | WO2004043626A1 Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods |
| 05/25/2004 | CA2103759C High torque battery terminal and method of making same |
| 05/21/2004 | WO2004032691A9 Folding knives |
| 05/18/2004 | US6735997 Method for producing a housing for a ball joint |
| 05/05/2004 | CN1494597A Mfg. process for making engine components of high carbon content steel using cold forming techniques |
| 04/22/2004 | WO2004032691A2 Folding knives |
| 04/22/2004 | CA2501479A1 Folding knives |
| 04/21/2004 | EP1409177A1 Making closed end tubes for surgical instruments |
| 04/15/2004 | WO2004030847A1 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece |
| 04/15/2004 | CA2501080A1 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece |
| 04/14/2004 | EP1407058A2 Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 04/08/2004 | WO2004028722A1 Cold formed differential housing with integrated ring gear |
| 04/08/2004 | WO2003008656B1 Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 04/01/2004 | US20040060385 One-piece axle tube housing assembly |
| 03/31/2004 | CN1144022C Armour-piercing bullet and its producing method |
| 03/25/2004 | WO2004024366A1 One-piece axle tube housing assembly |
| 03/25/2004 | US20040056145 Method for retrofitting an inertia reel access door to an ejection seat |
| 03/23/2004 | US6708548 Device for forming an end area of a workpiece |
| 03/18/2004 | DE10245570B3 Production of a tubular workpiece, especially a shock absorber piston rod, comprises a second process step in which a transition region is shaped by a deformation process to produce a right-angled shoulder of the workpiece |
| 03/11/2004 | WO2004020824A1 Method of producing bearings |
| 03/11/2004 | US20040045778 Outer shell unit and method of manufacturing the unit |
| 03/04/2004 | WO2004018123A1 Improved tool for removing damaged fasteners and securing new fasteners and improved method for making such tool |
| 02/26/2004 | WO2003090961A3 Shaping metal articles |
| 02/19/2004 | WO2003095268A3 Retrofitting ejection seat with inertia reel access door |
| 02/18/2004 | CN2603717Y Guiding means of telescoping a liner in a composite hole wall |
| 02/12/2004 | US20040025560 Radioactive substance containment vessel, and radioactive substance contaiment vessel producing device and producing method |
| 02/12/2004 | DE19929639B4 Welle-Nabe-Verbindung mit umgeformten Anschlagschrägen in Wellenverzahnung Shaft-hub connection with the reshaped stop bevels in shaft splines |
| 02/10/2004 | US6688148 Annealing, coating with lubricant; drawing, reducing diameter; heat treatment, quenching |
| 02/05/2004 | WO2004011167A1 Oval cross section metal tube producing device and producing method |
| 02/05/2004 | US20040020052 Method of producing bushing |
| 02/04/2004 | EP1385654A1 Hollow construction element and method of producing |
| 02/03/2004 | US6684727 Rack and pinion steering apparatus |
| 01/29/2004 | WO2004009267A1 Method for manufacture of a metal shell, and a cup designed to serve as a blank |
| 01/29/2004 | CA2492603A1 Method for manufacture of a metal shell, and a cup designed to serve as a blank |
| 01/28/2004 | EP1384537A1 Method of producing a bushing |
| 01/27/2004 | CA2090846C A medical suturing device, a single-strike die mechanism and a method for using said die mechanism for forming the medical suturing device |
| 01/22/2004 | WO2004007111A1 Frame producing method and frame |
| 01/22/2004 | DE10233374B4 Verfahren zur Herstellung eines einteiligen Pressfittings aus Metall A process for preparing a one-piece press fitting made of metal |
| 01/15/2004 | DE10228926A1 Matrize zum Abstreckgleitziehen von dünnwandigen Bechern Female for Abstreckgleitziehen of thin-walled cups |
| 01/14/2004 | EP1379342A1 Method for heading a bushing, particularly a bushing forming an elastic articulation and the elastic articulation and bushing obtained using said method |
| 01/06/2004 | US6672123 System for cold-forming a flange |
| 12/18/2003 | WO2003008656A3 Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 12/16/2003 | US6662427 Method of forming a cavity structure with a thin bottom base plate |
| 12/04/2003 | US20030221474 Method and apparatus for cold forging a trailer hitch receiving housing |
| 12/02/2003 | US6656296 For extrusion procedures, and tubing that are used in heat exchangers |
| 11/26/2003 | EP1363707A2 Narrow diameter needle having reduced inner diameter tip |
| 11/20/2003 | WO2003095268A2 Retrofitting ejection seat with inertia reel access door |
| 11/18/2003 | US6649276 Sheet metal member and method of manufacturing the member |
| 11/12/2003 | EP1360338A2 Manufacturing process for making engine components of high carbon content steel using cold forming techniques |
| 11/06/2003 | WO2003090961A2 Shaping metal articles |
| 11/06/2003 | CA2483479A1 Shaping metal articles |
| 10/29/2003 | EP1355751A1 Method for producing a housing for a ball joint |
| 10/23/2003 | US20030198513 Method of making steel couplers for joining concrete reinforcing bars |
| 10/23/2003 | US20030196468 Method of making a flanged tubular metallic part |
| 10/22/2003 | EP1355080A1 Outer shell unit and method of manufacturing the unit |
| 10/21/2003 | US6634078 Method of manufacturing a splined member for use in a slip joint |
| 10/14/2003 | US6631544 Method for installing end member to hollow shaft member |
| 10/08/2003 | EP1253984B1 Method and a press cylinder device for producing a hollow body |
| 10/08/2003 | CN1447724A Device for forming end area of workpiece |
| 09/30/2003 | US6626020 Method of producing vibration-isolating bushing |
| 09/11/2003 | US20030170069 Method for manufacturing arm of joint and joint |
| 08/27/2003 | CN1438952A Servo motor comprising a bushing adjustable by deformation, and assembly for adjusting the bushing |
| 08/21/2003 | US20030156889 Method for heading a bushing, particularly a bushing forming an elastic articulation and the eleastic articulation and bushing obtained using said method |
| 08/20/2003 | EP1336443A1 Method for manufacturing arm of joint and joint |
| 08/19/2003 | US6606895 Method of manufacturing a crown-shaped component |
| 08/13/2003 | CN1117643C Pipe fitting forging method |
| 07/30/2003 | EP1330333A1 Method of retrofitting a probe station |
| 07/22/2003 | US6595558 High-pressure metal pipe with connection head, method of forming the head and connection washer for the connection head |
| 07/22/2003 | US6594900 Method for manufacturing a pipe connector of a gas isolated switchgear |
| 06/17/2003 | US6579579 Container made of a light metal alloy and process for its manufacture |
| 06/12/2003 | WO2002016059B1 Narrow diameter needle having reduced inner diameter tip |
| 06/05/2003 | US20030101788 Die for a semi-product of a combination nipple that connects a flexible hose to a rigid pipe |
| 06/03/2003 | US6571452 Method of making steel couplers for joining concrete reinforcing bars |