| Patents for B21K 1 - Making machine elements (7,621) |
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| 02/28/2002 | DE10038660A1 Countersunk screw has cutting edge around its head which may be annular, wave-shaped or series of curves |
| 02/27/2002 | CN1337331A Process of making blank of inner spider for constant-speed cardan of automobile |
| 02/27/2002 | CN1337284A Manufacture of combining tooth blank for automobile gear box |
| 02/27/2002 | CN1337283A Forging process of aluminium wheel hub for bicycle |
| 02/21/2002 | US20020020237 Hollow rack shaft |
| 02/21/2002 | US20020020062 Machining tool for manufacturing radial bearings, and manufacturing apparatus and manufacturing method using the same |
| 02/20/2002 | EP1180606A1 Threaded fastener for use in attaching roofing panels and a method of making the fastener |
| 02/20/2002 | CN1336262A Tubular part forging method |
| 02/19/2002 | US6347917 Bolt with column and polygonal pillar to prevent seizure |
| 02/14/2002 | US20020018700 Threaded fastener for use to attach roofing panels |
| 02/13/2002 | CN1079038C Method for producing assemblied nut and nut produced with the same method |
| 02/06/2002 | EP1177966A2 Hollow rack shaft |
| 02/06/2002 | EP1177610A1 Method for producing a shaft and a device containing a shaft of this type |
| 02/05/2002 | US6343497 Method of manufacturing a speed gear and an apparatus for manufacturing a speed gear |
| 01/31/2002 | WO2002008619A1 Dynamic pressure type thrust bearing device and method of manufacturing the thrust bearing device |
| 01/30/2002 | CN1333097A Front axle die stamping composite technology for car |
| 01/24/2002 | WO2002006658A1 A piston head and to a method of making a piston head |
| 01/24/2002 | WO2002005985A1 Method for producing a shaft and device containing one such shaft |
| 01/24/2002 | DE10034410A1 Verfahren zum Herstellen einer Welle sowie Vorrichtung beinhaltend eine solche Welle A process for producing a shaft and apparatus including such a wave |
| 01/23/2002 | CN2472845Y Punching welded valve body |
| 01/23/2002 | CN1078290C Anchor bolt guide rail for building engineering and its manufacture |
| 01/22/2002 | US6339948 Materials handling, applying a force to the cylindrical member in an axial direction, cause plastic deformation at opposite axial end, shearing on the flange to punch out a ring member |
| 01/17/2002 | US20020005078 Rack and pinion steering apparatus and method for manufacturing a helical pinion |
| 01/17/2002 | DE10032467A1 Process for manufacturing a workpiece having a chamber profile from metals or metal alloys comprises extruding a blank to form a chamber profile extrusion followed by cold working under cold work-hardening |
| 01/16/2002 | EP1171252A1 Method for massive forming axisymmetric metal components |
| 01/16/2002 | EP1000275B1 One-piece flywheel having outer ring gear portion, and process of manufacturing the same |
| 01/15/2002 | CA2034691C Light weight drive shaft |
| 01/10/2002 | DE10060421A1 Aus Aluminium hergestellter Festsitz-Niet Made of aluminum sticking rivet |
| 01/10/2002 | DE10031492A1 Niet Rivet |
| 01/10/2002 | DE10029317A1 Verfahren zur Herstellung eines Drehschwingungsdämfergehäuses, insbesondere eines Gehäuses für einen Viskositätsdrehschwingungsdämpfer A method for producing a Drehschwingungsdämfergehäuses, in particular a housing for a viscosity torsional vibration damper |
| 01/09/2002 | EP1169524A1 Wall tie fastener |
| 01/09/2002 | CN2470029Y Drawing rivet |
| 01/08/2002 | US6336351 Method of manufacturing spline shaft |
| 01/02/2002 | EP1167780A2 Rivet |
| 01/02/2002 | EP1165272A1 Method of producing homokinetic joints |
| 01/02/2002 | EP1165271A1 Method of producing a wobble die |
| 01/02/2002 | CN2468632Y Ball plug of improved ball valve |
| 01/02/2002 | CN1329524A A nail machine, and tool ring and fitting for securing holding jaws for such machine |
| 01/02/2002 | CN1076993C Method of fabricating shaft from metal plate |
| 01/01/2002 | US6335503 Method for manufacturing forging die for making net formed gears with predetermined tooth contact area |
| 01/01/2002 | US6334349 Method for the manufacturing of a shaft with a larger diameter flange |
| 12/27/2001 | WO2001098684A1 Method for producing a torsional vibration damper housing, especially a housing for a viscosity torsional vibration damper |
| 12/26/2001 | CN1327919A Universal wheel unit and its manufacturing method |
| 12/26/2001 | CN1076762C Process for preparing aluminium alloy fastener and fastener |
| 12/20/2001 | WO2001073303A3 Blind rivet, rivet pin, holding device, method for producing a blind rivet and method for creating a riveted joint |
| 12/20/2001 | US20010052178 Fatigue resistant, fluid tight rivet assembly |
| 12/19/2001 | EP1163438A1 Method for manufacturing internal combustion engine pistons |
| 12/13/2001 | US20010049955 Pressure controlled fluid pressure extrusion method |
| 12/13/2001 | DE10125319A1 Intermeshing gear teeth contact zones determination process for preparation of forging die involves calculation of boundary regions |
| 12/12/2001 | EP1162014A2 Pressure controlled fluid pressure extrusion method |
| 12/12/2001 | EP0921897B1 Method of forming toothed wheels and product formed thereby |
| 12/12/2001 | CN2464477Y Cold heading mould for screw bolt |
| 12/11/2001 | US6328657 Threaded fastener and a method of making same |
| 12/11/2001 | US6327887 Process for shaping a work piece |
| 12/06/2001 | WO2001092760A1 Over-running clutch pulley with coating material |
| 12/06/2001 | WO2001092747A1 Over-running clutch pulley with increased surface microhardness |
| 12/06/2001 | WO2001092746A1 Over-running clutch pulley with closed clutch cavity |
| 12/06/2001 | WO2001092745A1 Over-running clutch pulley with floating spring member |
| 12/06/2001 | WO2001092743A1 Over-running clutch pulley with open clutch cavity |
| 12/06/2001 | WO2001092742A1 Over-running clutch pulley with sealing member |
| 12/06/2001 | WO2001092741A1 Over-running clutch pulley with clutch and bearing lubricant |
| 12/06/2001 | WO2001092740A1 Over-running clutch pulley with slip influence |
| 12/06/2001 | WO2001092739A1 Wheel driving unit and method of manufacturing the unit |
| 12/06/2001 | WO2001091939A1 Method of manufacturing an over-running clutch pulley with retention member |
| 12/06/2001 | WO2001091938A1 Method of manufacturing an over-running clutch pulley with deformable surface |
| 12/06/2001 | DE10110001A1 Nut for anchoring bolts in mine strata has first internally threaded section and second, deformable threaded section, forming discontinuity in first thread |
| 12/05/2001 | CN1075749C Cold-forging forming method for cover of gas generator or car safety air-bag |
| 12/04/2001 | US6325873 Casting undercut-free disk-shaped pre-form, conveying to flow-forming machine, fixing in machine while maintaining residual heat, shaping by spinning and flow-forming, cooling, sizing, end-working to finished vehicle wheel |
| 12/04/2001 | US6324942 Engine crankshaft made by forging |
| 12/04/2001 | US6324931 Straight bevel gears with improved tooth root area geometry and method for manufacturing forging die for making thereof |
| 11/29/2001 | DE10122181A1 Verfahren zur Herstellung eines Teils aus Metallmatrixkompositmaterial A process for producing a part made of Metallmatrixkompositmaterial |
| 11/29/2001 | DE10115554A1 Blind rivet has pointed end and collar, shaft of rivet being hollow and rod fitting into this, allowing rivet to be driven in and line of weakness across rod allowing it to be broken off once rivet is in position |
| 11/28/2001 | EP1156898A1 A nail machine, and a tool ring and fitting for securing holding jaws for such machine |
| 11/28/2001 | CN1075406C Method for producing rack |
| 11/22/2001 | US20010042307 Method and apparatus for manufacturing constant velocity joints |
| 11/21/2001 | EP0909339B1 Method for processing billets from multiphase alloys |
| 11/21/2001 | CN2460242Y Device for forming screw head |
| 11/20/2001 | US6317979 Method of manufacturing a hollow rack bar |
| 11/15/2001 | US20010039710 Process for manufacturing a part of a metal matrix composite material |
| 11/14/2001 | EP1153775A1 Stabilizer bar with integral end links for a vehicle suspension system |
| 11/13/2001 | US6315841 Induction hardened forged gear and process for preparing same |
| 11/08/2001 | US20010038238 Full face vehicle wheel and method for producing same |
| 11/07/2001 | EP1150799A1 A process for producing variable displacement compressor pistons having hollow piston bodies and integral actuator rods |
| 11/07/2001 | EP1150798A1 Crankshaft construction |
| 11/07/2001 | EP0954707B1 Process for manufacturing flat bearing shells |
| 11/07/2001 | EP0814931B1 Method of making a jaw member for a chuck |
| 11/07/2001 | CN1074336C High pressure joint communicating tube shaping method, cold-forging die and clamp for turning it |
| 10/31/2001 | CN1320197A Blind rivet and method of making the same |
| 10/25/2001 | US20010032487 Speed-changing gear manufacturing apparatus |
| 10/24/2001 | EP1147835A2 Speed-changing gear manufacturing apparatus |
| 10/24/2001 | CN1318440A Making process of clutch belt wheel for vehicle refrigerating compressor |
| 10/24/2001 | CN1318439A Manufacture of Y-type seam-less T-joint |
| 10/18/2001 | WO2001077547A1 Disc brake piston embodied by drawing |
| 10/17/2001 | EP1145934A2 Hollow rack shaft |
| 10/17/2001 | EP0909228B1 Compacted-powder opposed twin-helical gears and method |
| 10/17/2001 | EP0907437B1 Procede for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation |
| 10/11/2001 | WO2001075317A1 Method of manufacturing ball joint and housing for the ball joint |
| 10/11/2001 | WO2001074519A1 Multi-function split powder metal die |
| 10/10/2001 | EP1142739A1 Vehicle reinforcement for hollow structural member, having decreasing-thickness end portions |
| 10/09/2001 | US6298556 Connection between inner joint part and driveshaft |