| Patents for B21K 7 - Making railway appurtenances; Making vehicle parts (272) |
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| 07/18/2012 | CN102581208A Method for precisely carrying out hot forging on driven spiral bevel gear of automobile rear axle |
| 07/18/2012 | CN102581207A Manufacturing method of steel-aluminum composite section bar used for contact rail in urban railway system |
| 07/11/2012 | CN102554095A Turnout forging and pressing die |
| 07/04/2012 | CN101972835B Closed forging technique for steering knuckle |
| 06/20/2012 | CN202278141U 一种自动镦锻装置 An automatic device upsetting |
| 06/20/2012 | CN102500741A One-step forging and molding method of steering knuckle of heavy-duty car |
| 06/20/2012 | CN102500740A Manufacturing process for lambdoidal control arm |
| 06/13/2012 | CN102489659A Method for forging steering knuckle |
| 06/06/2012 | CN202263882U 一种用于连杆热模锻的模架 A hot rod forging mold |
| 05/30/2012 | CN202239466U Clamp rotation device for steel rail track switch precision forging production line |
| 05/30/2012 | CN202239465U Heating furnace feeding device for steel rail turnout precision forcing production line |
| 05/30/2012 | CN202239463U Automatic feed rack device for precision forging process production line of steel rail turnouts |
| 05/30/2012 | CN202239462U Longitudinal conveying device for steel rail turnout precision forcing production line |
| 05/30/2012 | CN102029352B Method for manufacturing pressboard for rail wagon |
| 04/18/2012 | CN101912945B 一种at钢轨跟端的锻压方法 One kind at forging method with the end of the rail |
| 04/11/2012 | CN202185512U Manufacturing device for die for bending and cantilever for automobile |
| 04/04/2012 | CN102397978A 电气化铁路接触网腕臂式金具底座锻造成型工艺 Electrified railway catenary arm wrist gold with base forging process |
| 03/28/2012 | CN202174202U 球笼式万向节钟形壳冷锻成型凹模 Cage-type universal joint bell-shaped shell molding die forging |
| 03/28/2012 | CN202174201U 球笼式万向节钟形壳温锻终锻模 Cage-type universal joint final bell housing warm forging die |
| 03/21/2012 | EP2429738A1 Method for manufacturing fixing members adapted for railway sleepers by cold forming |
| 03/14/2012 | CN102371326A Preforging mould structure for processing shaft fork part stamp forgings |
| 03/06/2012 | US8129035 Structural component for automobile, two-wheeled vehicle or railcar excellent in impact-absorption property, shape fixability and flange cuttability, and method for producing the same |
| 02/08/2012 | CN202137324U 一种镦锻机床 One kind of upsetting machine |
| 02/02/2012 | WO2011147405A3 Combination wheelset press |
| 01/25/2012 | CN202123186U Cold heading die for automobile brake disc shifting fork |
| 01/18/2012 | CN102319992A Method for manufacturing aluminum alloy die forging |
| 01/18/2012 | CN102319867A Forging forming process for control arm |
| 01/18/2012 | CN102319866A Novel process for precision forging of disc steering knuckle |
| 01/11/2012 | CN102310156A Improved process for producing brake calipers |
| 12/28/2011 | CN102294433A 汽车叶子板的制造方法及用于该方法中的模具 Car fender manufacturing method and the method used to mold |
| 12/28/2011 | CN102294432A 汽车机盖的制造方法及用于该方法中的模具和用料板 The method of manufacturing a car cover and a mold used in the process and materials used plate |
| 12/14/2011 | CN102274890A 弯曲加工用模具、汽车用悬臂的制造装置及其制造方法 Bending mold, automobile manufacturing apparatus and manufacturing method of the cantilever |
| 12/01/2011 | US20110290897 Rail anchor |
| 11/23/2011 | CN102248118A Die and process for forging high-speed railway substrate |
| 10/26/2011 | CN102225455A High-speed rail brace mould and forging process |
| 10/12/2011 | CN102211268A Manufacture process of automobile generator finish-forged claw pole capable of reducing noise |
| 10/06/2011 | WO2011120328A1 Vertical forging method for integral type steering yoke of automobile |
| 10/05/2011 | CN201997662U Blank upsetting die for buffer thrust cone |
| 09/28/2011 | CN102198485A Die and process for forging No.240 steel ingots for railway locomotives |
| 09/21/2011 | CN201980245U Swing bolster part for magnetic suspension vehicle |
| 09/14/2011 | CN102179469A Train wheel preforming method for reducing forging pressure |
| 08/31/2011 | CN201950150U 球销温挤压模具 Ball pin-temperature extrusion dies |
| 08/31/2011 | CN102166615A Forging process for piston toothed part of automobile steering box |
| 08/31/2011 | CN102166614A Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear |
| 08/17/2011 | CN101670417B Steering knuckle forging molding process of heavy truck |
| 07/27/2011 | CN101367110B Cold heading die for coupling brake treadle arm and support tube integrally |
| 07/13/2011 | CN102120251A Automatic streamline production process for butterfly spring |
| 07/13/2011 | CN102120249A Turnout mould capable of being preheated and cooled and replacing mould core |
| 07/06/2011 | CN102114519A Method for performing wheel of train |
| 07/06/2011 | CN102114518A Precision forging process production line for steel rail turnout |
| 06/29/2011 | CN102107707A Head stock bowl group manufacturing method |
| 06/22/2011 | CN201871677U Blanking mechanism for steel rail head precision-forging machine |
| 06/22/2011 | CN201871676U Charging device of steel rail head refined forging press |
| 06/22/2011 | CN201871675U Operating device for precisely-forged railhead of hydraulic press |
| 06/01/2011 | CN102078913A Method for manufacturing three-hole wire jacket blank |
| 05/25/2011 | CN201841232U Preforging die structure for machining die forging of shaft fork part |
| 05/18/2011 | CN102059316A High-accuracy railhead forging hydraulic machine |
| 04/27/2011 | CN102029510A Method for making hot forging molded bicycle knee joint |
| 04/27/2011 | CN102029352A Method for manufacturing pressboard for rail wagon |
| 03/23/2011 | CN201768866U AT steel rail heel end forging and pressing forming die |
| 03/23/2011 | CN101365818B Aluminum alloy forging member and process for producing the same |
| 02/16/2011 | CN101972835A Closed forging technique for steering knuckle |
| 02/02/2011 | CN101961766A Novel forging process of vehicle rear wheel hub axle and special wedge-shaped die thereof |
| 01/26/2011 | CN201720382U Mold cavity for forging inner and outer star wheels |
| 01/26/2011 | CN201720381U Forging coupler tail frame shaping film |
| 01/19/2011 | CN101947634A Process for forging rear axle shaft flange of automobile |
| 01/19/2011 | CN101947626A Forging mold for cantilever type hardware fitting base of electrified railway contact network parts |
| 01/19/2011 | CN101947621A Forged coupler yoke frame shaping die |
| 12/29/2010 | CN101927310A Hardening processing device for railway turnout and method thereof |
| 12/29/2010 | CN101229572B Moulding technology of tongue rail heeling of heavy haul railway |
| 12/15/2010 | CN201669366U Molding bed for processing guide pillar |
| 12/15/2010 | CN101912945A Method for forging and pressing heel of AT steel rail |
| 11/18/2010 | WO2010130738A1 Method for manufacturing fixing members adapted for railway sleepers by cold forming |
| 10/06/2010 | CN101850400A Processing method for cone frustum-shaped product with inside teeth and front cover of brake slack adjuster |
| 08/25/2010 | CN101811170A Method for vertically forging integral automobile steering knuckle |
| 08/11/2010 | CN201543757U Mold used for manufacturing auto part |
| 03/24/2010 | CN201427175Y Wheel rim retaining ring processing device for railway locomotive wheels |
| 03/17/2010 | CN201423423Y Processing device for hardening railway points |
| 03/17/2010 | CN101670417A Steering knuckle forging molding process of heavy truck |
| 12/26/2009 | CA2670656A1 Methods and systems for manufacturing an axle |
| 06/30/2009 | CA2439821C Hybrid space frame for motor vehicule |
| 05/20/2009 | CN201239774Y Closed forging die for cold-forging gear sleeve |
| 05/20/2009 | CN101433939A Precision forging technique for cracking connection rod |
| 05/06/2009 | CN201231300Y Brake-arm forging die |
| 04/22/2009 | EP2003219A9 Aluminum alloy forging member and process for producing the same |
| 03/04/2009 | CN201201031Y Precision forging mould for motor vehicle pedal arm |
| 02/18/2009 | CN101367110A Cold heading die for coupling brake treadle arm and support tube integrally |
| 02/11/2009 | CN101365818A Aluminum alloy forging member and process for producing the same |
| 12/24/2008 | CN101327561A Hot edge-cutting manufacture technology for automobile generator finish forging claw pole |
| 12/24/2008 | CN101327512A Forging line of claw pole for automobile generator |
| 12/17/2008 | EP2003219A2 Aluminum alloy forging member and process for producing the same |
| 12/17/2008 | CN101323080A Red edge-cutting and hole-punching manufacture technology of automobile generator finish forging claw pole |
| 10/08/2008 | EP1490190B1 Profile transition rail and method for producing said rail |
| 10/07/2008 | CA2479547C Transition rail and method for producing said transition rail |
| 08/21/2008 | DE102007007441A1 Component i.e. bodywork component for passenger car, manufacturing method, involves extending portion of extruded section transverse to extruding press direction during formation of extruded section |
| 07/30/2008 | CN101229572A Moulding technology of tongue rail heeling of heavy haul railway |
| 04/09/2008 | CN100379506C Method for manufacturing open type bicycle hollow crank and crank manufactured thereby |
| 03/06/2008 | DE102006041146A1 Stahl und Verarbeitungsverfahren für die Herstellung von höherfesten bruchtrennbaren Maschinenbauteilen Steel and processing methods for the production of high-strength bruchtrennbaren machine parts |
| 03/05/2008 | CN101134278A Manufacturing method of the coupler yoke for railway wagon |
| 03/01/2008 | CA2569180A1 Method and tool for the production of three-dimensional attachments by forming and fine blanking operations |