| Patents for B21K 1 - Making machine elements (7,621) |
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| 01/06/2005 | US20050003897 Method of manufacturing a combined driveshaft tube and yoke assembly |
| 01/06/2005 | US20050000092 Manufacturing Method of Fluid Dynamic Pressure Bearing |
| 01/05/2005 | EP1493512A1 High-strength stainless steel bolt and method of manufacturing the same |
| 01/05/2005 | EP1493511A1 Method of manufacturing a combined driveshaft tube and yoke assembly |
| 01/05/2005 | EP1493510A1 Method of manufacturing a combined driveshaft tube and yoke assembly |
| 01/04/2005 | US6837091 Tube drawing method and device |
| 12/30/2004 | US20040261918 Billet for cold forging, method of manufacturing billet for cold forging, method of continuously cold-forging billet, method of cold-forging |
| 12/30/2004 | US20040261615 Forged piston for internal combustion engine and manufacturing method thereof |
| 12/30/2004 | US20040261244 Deformed reinforcing bar splice and method |
| 12/30/2004 | DE202004015022U1 Series of at least two hollow shafts is particularly composed of three-part drive shafts and has at least one drive pin |
| 12/30/2004 | DE10321291A1 Method of permanently connecting a valve stem to a valve part for a combustion engine presses the valve part down against a projection from the stem to give a positive fit |
| 12/29/2004 | WO2004113742A1 Magnesium-base alloy screw and method of manufacturing the same |
| 12/29/2004 | EP1491699A1 Deformed reinforcing bar splice and method |
| 12/29/2004 | CN1558801A Method of manufacturing hollow member |
| 12/28/2004 | CA2263677C Method of forming toothed wheels and product formed thereby |
| 12/23/2004 | WO2004110668A1 Method of manufacturing disk member |
| 12/23/2004 | WO2004072509A3 Advanced geometry of skew and straight bevel gears produced by forging |
| 12/23/2004 | US20040255637 Longitudinal component with mass accumulations |
| 12/23/2004 | US20040255635 Billet for cold forging, method of manufacturing billet for cold forging, method of continuously cold-forging billet, method of cold-forging |
| 12/23/2004 | DE10230837B4 Vorrichtung zum Warmumformen A device for hot forming |
| 12/22/2004 | EP1488134A2 Pinion carrier for planetary gear train and method of making same |
| 12/22/2004 | EP1379342B1 Method for heading a bushing, particularly a bushing forming an elastic articulation and the elastic articulation and bushing obtained using said method |
| 12/22/2004 | CN2664813Y Screw mould |
| 12/22/2004 | CN1555939A Pin cold heading shaping mould and its shaping method |
| 12/22/2004 | CN1180900C Eccentric shaft cold-forging method without shear destruction |
| 12/16/2004 | WO2004109065A1 Rocker arm and method of producing the arm |
| 12/16/2004 | WO2004108326A1 Method for manufacturing hollow construction elements |
| 12/16/2004 | US20040250593 Method for manufacturing clutch housing |
| 12/15/2004 | CN1555462A Screw head formation |
| 12/09/2004 | DE10323173A1 Schaltbarer hydraulischer Tassenstößel Switchable hydraulic tappets |
| 12/09/2004 | DE102004009519A1 Device for producing by metal forming or primary shaping spiral running tracks on inner/outer parts of homocinetic joints comprises a contour tool with a first and a second tool part |
| 12/08/2004 | EP1484121A1 Method of manufacturing torsion bar for vehicle steering device and torsion bar |
| 12/08/2004 | CN1179059C Ni-base alloy and Ni-base alloy preparation method and die thereof |
| 12/07/2004 | US6827107 Method for manufacturing a throttle |
| 12/07/2004 | US6826945 Method for producing a rack |
| 12/02/2004 | WO2004104540A1 Filters for engine exhaust particulates |
| 12/02/2004 | WO2004104431A1 Self-attaching fastener and method of attachment |
| 12/02/2004 | WO2004103606A1 Switchable hydraulic cam follower |
| 12/02/2004 | DE20221033U1 Wheel nut has peripheral rib near its center and lugs around its base, washer which is fitted on to it being locked between rib and lugs |
| 12/02/2004 | CA2522402A1 Self-attaching fastener and method of attachment |
| 12/01/2004 | EP1481746A1 Metallic hollow element with a sealed connection and method for obtaining the same |
| 12/01/2004 | EP1480769A2 A method of manufacture of a metallic component apparatus for use in the method and method of finishing a metallic component |
| 12/01/2004 | EP1210194B1 Method for producing a coupling body by powder-metallurgy |
| 12/01/2004 | CN2659589Y Combined liquid state forging mould for complex aluminium piston |
| 12/01/2004 | CN1550271A Apparatus and method for making spiral rollaway nest by pressure manufacturing or shaping |
| 11/25/2004 | WO2004101194A1 Inhibiting metal fatigue in a tool secured in a tool holder |
| 11/25/2004 | US20040235577 Method for manufacturing cold-forged wing nuts |
| 11/25/2004 | US20040231448 Gear having window holes, and method and apparatus for manufacturing the same |
| 11/25/2004 | US20040231447 Gear, and method and apparatus for manufacturing the same |
| 11/24/2004 | CN1549869A Method of manufacturing rivets having high strength and formability |
| 11/18/2004 | WO2004098807A1 Method of making steel couplers for joining concrete reinforcing bars |
| 11/18/2004 | US20040226352 Filters for engine exhaust particulates |
| 11/18/2004 | US20040226161 Method of making self-piercing nuts |
| 11/18/2004 | DE10319236A1 Hollow screw has inner profile running centrally through shank and serves as operating profile for insertion of screwing turning tools, while head is created with mushroom shape by widening walls of hollow cylinder |
| 11/18/2004 | DE10311875A1 Cylindrical wheel rim for use in automobile manufacture, has parallel grooves formed around circumference of cylinder through casting or forging |
| 11/18/2004 | DE102004019673A1 Verfahren zur Herstellung eines napfförmigen Ringteiles mit Innenverzahnung A method for producing a cup-shaped ring member with internal toothing |
| 11/17/2004 | EP1477250A1 Method of making self-piercing nuts |
| 11/17/2004 | EP1339511B1 Method and device for the continuous production of workpieces from an unprofiled longitudinal section and use thereof |
| 11/17/2004 | CN1546254A High strength zinc-aluminium alloy conical gear liquid state die forging forming process and use thereof |
| 11/11/2004 | US20040221452 Method for the manufacture of a piston |
| 11/11/2004 | DE19920616B4 Verbindungsmittel sowie ein Verfahren zu deren Herstellung Connecting means and a method for their preparation |
| 11/11/2004 | DE19616833B4 Verfahren zur Herstellung einer Keilriemenscheibe A process for the preparation of a V-belt pulley |
| 11/11/2004 | DE102004020003A1 Zylindrisches Lagerelement und ein Verfahren zur Herstellung eines zylindrischen Lagerelements Cylindrical bearing element and a method for producing a cylindrical bearing element |
| 11/11/2004 | DE10101934B4 Verfahren zur Herstellung von scheibenförmigen Steuernocken oder dergleichen sowie Räumbügel zur Durchführung eines solchen Verfahrens A process for the production of disc-shaped control cam or the like, as well as for carrying out such a method Räumbügel |
| 11/10/2004 | CN1544181A Composite fabrication process for tooth blank of automobile gear shifting box combining tooth |
| 11/04/2004 | WO2004094083A2 Method for producing a cup-shaped annular part having an inner toothing, a cup-shaped preform and a cup-shaped annular part |
| 11/04/2004 | DE4446815B4 Verfahren und Vorrichtung zum Auspressen eines Strangs aus einer Leichtmetall-Legierung Method and apparatus for extruding a strand from a light metal alloy |
| 11/03/2004 | EP1473099A1 Gear for transmission and method for manufacturing the same |
| 11/03/2004 | EP1345715B1 Forging press comprising an adjusting device on the matrix side thereof |
| 11/02/2004 | US6810576 Method for producing a shaft and a device containing a shaft of this type |
| 10/28/2004 | WO2004079237A8 Valve for internal combustion engine, its method of manufacturing, and the high-temperature titanium alloy for the valve |
| 10/28/2004 | US20040213487 Cylindrical bearing member and method of manufacturing same |
| 10/28/2004 | US20040211314 Method of manufacturing a piston, tooling for implementing the method, and a piston obtained thereby |
| 10/27/2004 | EP1471622A1 Manufacturing method of a rotor core |
| 10/27/2004 | EP1470889A1 Method of manufacturing a piston, tool for carrying out said method and piston thus obtained |
| 10/27/2004 | EP1469959A1 Method and device for producing a steering rack |
| 10/27/2004 | EP1204496B1 Method for extracting a tool from a hollow object and tool for machining a hollow object |
| 10/27/2004 | CN1540176A Cylindrical bearing parts and its mfg. method |
| 10/27/2004 | CN1539570A Method of fabricating plunger, tool for carrying out same and plunger therefrom |
| 10/27/2004 | CN1172759C Machining process of spindle specially for castor |
| 10/26/2004 | US6807860 Multiple alloy rotor transition zone measurement system and method |
| 10/26/2004 | CA2092846C Coupling for shoulder ended pipes |
| 10/21/2004 | WO2004089574A1 Variable drive for a camshaft |
| 10/21/2004 | US20040206151 Differential side gear and the production method thereof |
| 10/21/2004 | US20040205955 Manufacturing method of rotor core and device using the same |
| 10/20/2004 | EP1468198A1 Method of cold forming a self-attaching female fastener element |
| 10/20/2004 | CN2649218Y Load-carrying vehicle hub axle tube upsetting-extruding shaping die |
| 10/20/2004 | CN2649217Y Tube hammerhead die with position limiting |
| 10/14/2004 | WO2003093683A3 Nut and method for the production thereof |
| 10/14/2004 | US20040200257 Method and apparatus for producing a threaded projection on a plate-shaped workpiece |
| 10/14/2004 | US20040200071 Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley |
| 10/14/2004 | DE10315415A1 Verfahren zur Herstellung von Kolben mit Muldenrandbewehrung für Verbrennungsmotoren A process for producing hollow pistons with edge reinforcement for internal combustion engines |
| 10/13/2004 | EP1466111A1 Differential side gear and the production method thereof |
| 10/13/2004 | EP1115983B1 Blind rivet and method of making the same |
| 10/12/2004 | US6802916 Cold-heading one end portion of cylindrical blank to radially increase and axially diminish the dimensions of one end portion, and to work harden the one end portion while leaving an opposite end portion dimensionally unchanged; cold-working |
| 10/07/2004 | US20040194621 Lower part for a multi piece piston |
| 10/07/2004 | US20040194308 Method for the production of pistons having depression edge armoring, for internal combustion engines |
| 10/06/2004 | EP1268119B1 Method for producing a welding pin |
| 10/06/2004 | EP1268103B1 Method for producing hollow bodies, hollow body, assembly and mold |
| 10/06/2004 | EP1047512B1 Forging of workpieces |