| Patents for B21K 1 - Making machine elements (7,621) |
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| 03/23/2011 | CN201768862U Bolt cold header |
| 03/17/2011 | WO2010108486A3 Stamping method and workpiece produced therewith |
| 03/17/2011 | US20110061883 Short-handled, ergonomic garden tools |
| 03/16/2011 | CN201760549U Cold forging module structure of welded nut |
| 03/16/2011 | CN201760547U Cold forging mould for suspension bolt of saloon car body |
| 03/16/2011 | CN101985155A Large screw pressing technology |
| 03/16/2011 | CN101985154A Supporting device used for pressing large-scale screw |
| 03/16/2011 | CN101985152A Large screw forging mold |
| 03/16/2011 | CN101985149A Hydraulic machine for pressing large screws |
| 03/15/2011 | US7905468 Lightweight valve |
| 03/15/2011 | US7905019 Working fluid injection apparatus for a fluid dynamic pressure bearing |
| 03/10/2011 | WO2011027063A1 Hollow crankshaft having an offset junction plane |
| 03/10/2011 | WO2011026480A1 Method for producing an aluminum piston for an internal combustion engine |
| 03/10/2011 | US20110056397 Jacket for impression cylinder or transfer cylinder and method for manufacturing the same |
| 03/10/2011 | DE102009040120A1 Verfahren zur Herstellung eines Aluminiumkolbens für einen Verbrennungsmotor A process for producing an aluminum piston of an internal combustion engine |
| 03/09/2011 | EP2292900A2 metallic screwed plug |
| 03/09/2011 | EP2292347A1 Method for producing a pin/tie-bolt |
| 03/09/2011 | EP1675697B1 Forging method, forged article and forging apparatus |
| 03/09/2011 | CN101983796A Dual gear precision forging die with floating type mold core |
| 03/08/2011 | US7900357 Seal installation tool and method of using same |
| 03/03/2011 | WO2011024792A1 Method for manufacturing mechanical part excellent in rolling fatigue life |
| 03/03/2011 | WO2011023154A1 Wheel hub |
| 03/03/2011 | US20110049410 Lightweight titanium aluminide valves and methods for the manufacture thereof |
| 03/03/2011 | US20110049401 Magnetic microvalve using metal ball and method of manufacturing the same |
| 03/02/2011 | CN101982291A Method for manufacturing wheels of engineering vehicle |
| 03/02/2011 | CN101497103B Processing method of upper shaft used for steering apparatus |
| 03/01/2011 | US7895751 Variable shim for setting stroke on fuel injectors |
| 03/01/2011 | US7895743 Refurbished camshaft and method |
| 02/24/2011 | US20110045915 Method for the fabrication of a screw member for plate member fastener |
| 02/24/2011 | US20110042605 Micro-valve |
| 02/24/2011 | DE102009028643A1 Verfahren zur Herstellung eines Gehäuses für ein Aggregatlager und danach hergestelltes Gehäuse Method for producing a housing for a bearing unit housing and then prepared |
| 02/23/2011 | EP1347842B1 Apparatus and method for rolling workpieces |
| 02/23/2011 | CN101979179A Method for forging thin and short shaft section at end of large-scale step shaft |
| 02/22/2011 | US7892625 Method of fabricating an electrical connecting element, and an electrical connecting element |
| 02/22/2011 | US7892160 Double sleeved electrophotographic member |
| 02/22/2011 | US7891094 Method of manufacturing a hollow body used in an image forming apparatus |
| 02/17/2011 | WO2011017736A1 Forging die apparatus for steering racks |
| 02/16/2011 | EP2284407A2 Screw and a method for manufacturing the same |
| 02/16/2011 | EP2284021A1 Method for forming a wheel bearing device |
| 02/16/2011 | EP2282856A1 Centering bolt for an airbag cartridge |
| 02/16/2011 | CN101977708A Method and tooling for headed pilot pointed bolts |
| 02/16/2011 | CN101972834A Device for quickly and efficiently forging tube blanks |
| 02/16/2011 | CN101972832A Detachable die precision forging die of reverse gear shaft of automatic gearbox of sedan |
| 02/16/2011 | CN101972829A Semi-closed forging device for universal joint and forging method thereof |
| 02/16/2011 | CN101306457B Titanium electrode products forming hydraulic press |
| 02/15/2011 | US7886567 Steering rack manufacture |
| 02/15/2011 | US7886441 Method of manufacturing a rolling bearing device having identification information |
| 02/10/2011 | WO2011015351A1 Piston assembly multiple step forming process |
| 02/10/2011 | US20110030444 Method of making a compensation shaft |
| 02/10/2011 | DE102009036067A1 Verfahren zur Herstellung einer Ausgleichswelle A process for preparing a balancer shaft |
| 02/10/2011 | DE102007007552B4 Verfahren zum Ausbilden eines Zahnradelements A method of forming a gear member |
| 02/09/2011 | EP2282079A2 Method for manufacturing a balancing shaft |
| 02/09/2011 | EP2280793A1 Bush widening apparatus and process for forging a bush blank |
| 02/09/2011 | CN201735724U Column bolt blank |
| 02/09/2011 | CN101970894A Simplified rolling bearing unit and a method for manufacturing such a bearing unit |
| 02/09/2011 | CN101966555A Wheel rolling and molding method |
| 02/09/2011 | CN101966554A Method for manufacturing intermediate formed body of driven gear of rear axle of small and medium-sized automobile |
| 02/09/2011 | CN101966553A Method for manufacturing rear axle driven gear of small and medium-sized automobile |
| 02/09/2011 | CN101966552A Cold forging die externally provided with meridian components and forging method thereof |
| 02/09/2011 | CN101293269B Non-flash groove, non ingot tail smithing method for large-scale wind power principal axle |
| 02/09/2011 | CN101224483B Mould for producing wheel-class parts and forging process thereof |
| 02/03/2011 | WO2011012070A1 Roll forming method for wheel spoke |
| 02/02/2011 | CN201728328U Rivet fixture |
| 02/02/2011 | CN101961829A Bolt molding process requiring chamfering and milling multiple grooves |
| 02/02/2011 | CN101961765A Manufacturing process and equipment for upset forging of flanges |
| 02/02/2011 | CN101961764A Method of producing metallic member |
| 02/02/2011 | CN101568654B Method of cooling hot forged part, apparatus therefor, and process for producing hot forged part |
| 02/01/2011 | US7878746 Functional element, assembling component consisting of the functional element combined with a metal sheet, method for producing the assembly component and method for producing the functional element |
| 02/01/2011 | US7877877 Method for manufacturing a solid housing |
| 01/27/2011 | WO2011010027A1 Hollow crankshaft and method for manufacturing same |
| 01/27/2011 | US20110019954 Axial bearing arrangement and method for manufacturing same |
| 01/27/2011 | US20110017319 End cover and four-way reversing valve using the same and assembling method thereof |
| 01/27/2011 | US20110016718 Dough Sheeter Cutter Roller |
| 01/27/2011 | DE112008002811T5 Speichenradscheiben-Herstellungsverfahren und Speichenrad Speichenradscheiben manufacturing process and spoked |
| 01/26/2011 | CN201720380U Piston forging die |
| 01/26/2011 | CN201720316U Mould for processing gear ring blanks |
| 01/26/2011 | CN201720315U Mould for processing gear ring blanks |
| 01/26/2011 | CN101959627A Metal forged crankshaft, apparatus for metal forging a crankshaft and method of metal forging a crankshaft |
| 01/26/2011 | CN101954440A Method for producing hollow body elements |
| 01/26/2011 | CN101954439A Forging method of AP1000 nuclear-power main pipeline forging piece |
| 01/26/2011 | CN101954438A Process for forming conjoined gear shaft by multistage cold former |
| 01/26/2011 | CN101539163B Manufacturing method of anti-delayed fracture 16.9 grade bolt |
| 01/26/2011 | CN101487487B Manufacturing process for stress relaxation-resistant high-strength bolt |
| 01/25/2011 | US7874072 Bearing support, particularly for a fan casing, and method for manufacturing thereof |
| 01/25/2011 | US7874070 Injection valve and method of making orifice |
| 01/20/2011 | US20110010939 Drug Delivery Devices |
| 01/19/2011 | EP2274120A1 Metal forged crankshaft, apparatus for metal forging a crankshaft and method of metal forging a crankshaft |
| 01/19/2011 | CN201711486U Novel hot forging screw mould |
| 01/19/2011 | CN201711485U Thin bolt cold heading molding die |
| 01/19/2011 | CN201711484U Precision forging mould for floating straight-tooth cylindrical gear |
| 01/19/2011 | CN201711483U Turning-free molding mould for expansion bolt |
| 01/19/2011 | CN201711478U Cylindrical gear finish forging die capable of forging helical teeth and spiral teeth |
| 01/19/2011 | CN101952067A Method for manufacturing spacer nut |
| 01/19/2011 | CN101947631A Rolling mechanism |
| 01/19/2011 | CN101947630A Controlled-forging controlled-cooling processing technology of bearing ring prepared by GCr15 |
| 01/19/2011 | CN101947622A Mould for forging special connecting pipe of vapor-water separation reheater of nuclear power plant and forging method |
| 01/19/2011 | CN101549449B Processing technology for high-strength large hexagon head bolt used for steel structure |
| 01/18/2011 | US7870673 Method of manufacturing a spherical bearing |
| 01/18/2011 | US7870669 Multi-axially forged piston |
| 01/13/2011 | WO2011005722A2 Application of electric induction energy for manufacture of irregularly shaped shafts with cylindrical components including non-unitarily forged crankshafts and camshafts |