| Patents for B21K 1 - Making machine elements (7,621) |
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| 01/07/2009 | CN101337259A Processing method of steel-base resin toothed-ring crude-forging |
| 01/06/2009 | US7472674 Method of manufacture of a piston for an internal combustion engine, and piston thus obtained |
| 01/01/2009 | US20090003968 Bolt and Manufacturing Method of Bolt |
| 01/01/2009 | US20090001305 Electronically controlled valve and systems containing same |
| 01/01/2009 | US20090001302 Electromagnetic valve and method for manufacturing the same |
| 12/31/2008 | WO2009000698A1 Injection valve, method for its production and device for carrying out the method |
| 12/31/2008 | CN101332489A Cold-forging precise forming technique of gear sleeve |
| 12/31/2008 | CN101332488A Cold-forging technique of gear shaft |
| 12/31/2008 | CN101332486A Combined mould |
| 12/25/2008 | US20080315674 Spoked bicycle wheel, components thereof and relative manufacturing methods |
| 12/25/2008 | US20080314465 Microfluidic valve, method of manufacturing the same, and microfluidic device comprising the microfluidic valve |
| 12/25/2008 | US20080313898 Magnesium throttle body and method of manufacturing the same |
| 12/24/2008 | EP2004345A1 Method of forming steel ball blanks, in particular for rolling bearings |
| 12/24/2008 | DE102008023696A1 Verfahren zur Herstellung von Hohlwellengrundkörpern sowie nach dem Verfahren hergestellte Hohlwellengrundkörper A process for producing hollow bodies, as well as basic wave produced by the method hollow shaft body |
| 12/24/2008 | CN101327559A Method for producing union nut |
| 12/18/2008 | WO2008151585A1 Method for the production of a roller bearing without machining |
| 12/18/2008 | WO2008151399A1 Hot, cold or warm forging process for forming hollow metallic parts and associated punch |
| 12/18/2008 | DE102007027337A1 Internal-combustion engine's cooling channel piston manufacturing method, involves molding piston blank from steel material, and additionally deforming rotating flange such that flange contacts contact surface of piston blank |
| 12/17/2008 | CN201164896Y Cold heading short thick cylinder/conical roller concave die |
| 12/17/2008 | CN101326024A Process for manufacturing raceway ring member as constituent of roller bearing unit for wheel support |
| 12/16/2008 | US7464467 Method for manufacturing sheet-conveying roller |
| 12/11/2008 | WO2008148425A1 Composite piston for internal combustion engines having a completely closed cooling channel |
| 12/11/2008 | US20080305920 Toroidal continuously variable transmission |
| 12/11/2008 | US20080302162 Cold-headed standoff |
| 12/11/2008 | DE102007026824A1 Verfahren zur Herstellung von Nocken für gebaute Nockenwellen A process for producing cams for assembled camshafts |
| 12/10/2008 | EP2000688A2 Inner ring of constant velocity universal joint and its manufacturing device |
| 12/10/2008 | EP2000553A1 Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connecting rod |
| 12/09/2008 | US7462146 Roller member, and process for its manufacture |
| 12/09/2008 | US7461533 Forging method forged product and forging apparatus |
| 12/09/2008 | CA2404648C Method for manufacturing of a plate involving an intermediate preforming and a final shaping |
| 12/04/2008 | WO2008145092A1 Method for producing hollow shaft base bodies and hollow shaft base body produced according to said method |
| 12/04/2008 | US20080295891 Valve and production method thereof |
| 12/04/2008 | US20080295331 Method and Apparatus for Inserting a Piston Pin Locking Ring |
| 12/04/2008 | DE102008021009A1 Roller press machine, particularly roller press machine for pressing blank, e.g. screw nut, has fixed rolling unit arranged on retainer and fixed roller, where self-modulating roller unit is arranged on retainer in movable manner |
| 12/04/2008 | DE102007021676A1 Ball track producing method for constant velocity joint, involves pressurizing ball track by preset compressive force, based on measurement of course of ball track, during relative movement between ball track and pressure element |
| 12/03/2008 | EP1997569A1 Method for processing the ends of pipes |
| 12/03/2008 | EP1996823A2 Clinch nut |
| 12/03/2008 | CN101314202A Method for producing wind-electricity principal axis with gathering stock full fibre upset forging |
| 12/03/2008 | CN100439661C Camshaft, method of manufacturing cam for camshaft, and method of manufacturing shaft for camshaft |
| 12/03/2008 | CN100439004C Cold precise forming technology and equipment of spur gear |
| 12/02/2008 | US7458156 Spool valve assembly apparatus using air vortex insertion |
| 12/02/2008 | US7458155 Method of producing a fuel injector |
| 11/27/2008 | WO2008144044A2 Electronically controlled valve and systems containing same |
| 11/27/2008 | WO2008142311A1 Method for making a rivet and rivet obtained by said method |
| 11/27/2008 | WO2008142275A2 Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties |
| 11/27/2008 | US20080292391 Method and apparatus for clearance adjusting cover plate closure |
| 11/27/2008 | DE102007022624A1 Unrunde Stanzmutter Non-round pierce nut |
| 11/27/2008 | CA2679341A1 Method for making a rivet and rivet obtained by said method |
| 11/20/2008 | WO2008138467A1 Cold forming method for mounting a connecting element on an end of a high-pressure pipe |
| 11/20/2008 | WO2008138033A1 Hollow steering rack |
| 11/20/2008 | WO2008066660A3 Pulling roll material for manufacture of sheet glass |
| 11/20/2008 | WO2007148359A8 Method for manufacturing a pin provided with a spherical end portion for engaging a ball joint |
| 11/20/2008 | US20080283567 Inertia Compensating Dancer Roll For Web Feed |
| 11/20/2008 | DE102007022656A1 Kaltumformverfahren zum Anbringen eines Verbindungselements an einem Ende einer Hochdruckleitung Cold forming process for mounting a connection element at one end of a high pressure line |
| 11/19/2008 | CN101306457A Titanium electrode products forming hydraulic press |
| 11/19/2008 | CN100434230C Method for rolling treatment of cold-forge forming screw cap |
| 11/18/2008 | CA2379635C Process for powder metallurgic manufacture of a coupling body |
| 11/13/2008 | WO2008136765A1 Screw head recess drive and corresponding driver tool and recess punch |
| 11/13/2008 | US20080279653 Screw head formation |
| 11/12/2008 | CN101303091A Integral type flange valve and valve body as well as die forge forming method |
| 11/12/2008 | CN101301676A Large size roller cold-upsetting and press-forming method, and cold-upsetting and press-forming mold |
| 11/06/2008 | WO2008131838A1 Method for the non-cutting production of a profile, particularly gear teeth |
| 11/06/2008 | US20080271317 Composite gear and method of forming same |
| 11/06/2008 | DE102007020828A1 Ritzel Pinion |
| 11/05/2008 | CN101298090A Electrical machinery pole shoe accurate cold forging forming technique |
| 10/30/2008 | WO2008129860A1 Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle |
| 10/30/2008 | US20080268995 Power transmission apparatus fabrication method and power transmission apparatus fabricated by the method |
| 10/30/2008 | US20080268991 Method for producing a conical pulley, a conical pulley, and a belt-driven conical-pulley transmission |
| 10/30/2008 | US20080268967 Thread Forming Tap and Method for Manufacturing the Same |
| 10/30/2008 | US20080265658 Rim and method for producing a rim |
| 10/30/2008 | US20080263867 Method of producing a non-slip patterned sports ball |
| 10/30/2008 | US20080263861 Method for screwing two metal parts together |
| 10/30/2008 | DE102008017805A1 Wärmetauscher mit Verbinder und Verfahren zur Herstellung des Verbinders Heat exchanger with connector and method for manufacturing the connector |
| 10/30/2008 | DE102007020745A1 Production of a screw nut comprises using a wire material having a hexahedral cross-section with concave side surfaces |
| 10/30/2008 | DE102007019706A1 Verfahren zur spanlosen Herstellung eines Profils, insbesondere einer Verzahnung Method for cutting production of a profile, in particular a toothing |
| 10/30/2008 | CA2680100A1 Method of providing a solenoid housing |
| 10/29/2008 | CN101296761A Rolling rack |
| 10/29/2008 | CN101294760A Heat exchanger with connector and method of manufacturing the connector |
| 10/29/2008 | CN101293316A Method and apparatus for processing positive displacement drill bearing |
| 10/29/2008 | CN101293269A Non-flash groove, non ingot tail smithing method for large-scale wind power principal axle |
| 10/29/2008 | CN101293267A Continuous upsetting method for large flange at axle end of large-scale wind power principal axle |
| 10/29/2008 | CN100429389C Simultaneous forming method of throttle body and throttle valve |
| 10/29/2008 | CN100429028C Punch and manufacturing method for recessed head fastener |
| 10/23/2008 | WO2008126996A1 Manufacturing method of compressor pulley |
| 10/23/2008 | US20080256926 Diffuser with improved erosion resistance |
| 10/23/2008 | DE112006002216T9 Verfahren zur Herstellung eines Kipphebels A process for producing a rocker arm |
| 10/23/2008 | DE112006002216T5 Verfahren zur Herstellung eines Kipphebels A process for producing a rocker arm |
| 10/23/2008 | DE102007019008A1 Verfahren zur Herstellung einer gesenkgeschmiedeten Ausgleichswelle A process for producing a drop-forged balancing shaft |
| 10/22/2008 | CN101291751A Multiple piece roll |
| 10/21/2008 | US7437967 Gear having window holes, and method and apparatus for manufacturing the same |
| 10/21/2008 | US7437808 Method of forming a metal matrix component |
| 10/16/2008 | DE112006003018T5 Selbstbefestigende weibliche Befestigungselemente, Verfahren zum Bilden selbiger und Streifen von untereinander verbundenen Befestigungselementen Selbstbefestigende female fastening elements, and method of forming Selbiger strip of interconnected fasteners |
| 10/16/2008 | DE102006062242B4 Formteil Molding |
| 10/15/2008 | CN101284300A Shaping method of safety air bag gasifier pressure cover |
| 10/15/2008 | CN101284299A Gear-box planetary gear shaping die |
| 10/14/2008 | US7435306 Method for preparing rivets from cryomilled aluminum alloys and rivets produced thereby |
| 10/09/2008 | WO2008121179A1 Method of spinning multiple parts |
| 10/09/2008 | DE102007016116A1 Verfahren zum Ausbilden einer Hochdruckkanalanordnung in einem Körper A method of forming a high-pressure channel arrangement in a body |
| 10/08/2008 | CN101279354A Method for producing connecting pin forging |
| 10/02/2008 | US20080237528 Multi-port free flow valve and element |