| Patents for B21K 1 - Making machine elements (7,621) |
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| 12/25/2013 | CN203359758U Upset crankshaft crotch width controller |
| 12/25/2013 | CN203356523U Manufacturing device for flange nut through cold heading |
| 12/25/2013 | CN203356513U Profiling lower die for preparing 7318E tapered roller |
| 12/25/2013 | CN203356511U Cold forging mechanism for shaft parts of car double-clutch gearbox and automatic system thereof |
| 12/25/2013 | CN103464675A Large-sized T-shaped plate forged piece forming method |
| 12/25/2013 | CN103464674A Hot forging forming method for duplex fork forged piece |
| 12/24/2013 | US8613143 Beveloid planetary gear drive for transfer case or transmission |
| 12/24/2013 | DE102012012325A1 Device for producing mold of gearing, has projection that is provided relative to wobble die, is provided parallel to tumble axis and is axially slidable with prestressing force of spring loaded element |
| 12/19/2013 | WO2013186893A1 Method of forming poppet valve faces and poppet valves having faces formed by this method |
| 12/19/2013 | WO2013186490A1 Tube notching method, and associated notching machine |
| 12/19/2013 | US20130333557 Lightweight engine power cell assembly |
| 12/18/2013 | CN203343354U Material supporting mechanism for long bolt processing device |
| 12/18/2013 | CN203343353U Automatic long bolt processing device |
| 12/18/2013 | CN203343352U Long bolt processing device |
| 12/18/2013 | CN203343351U Length control mechanism for long bolt processing device |
| 12/18/2013 | CN203343350U Thickening device of non-welding pipe wall end socket |
| 12/18/2013 | CN103459863A Crankshaft, method for manufacturing crankshaft, and device for manufacturing crankshaft |
| 12/18/2013 | CN103447441A Helical gear heading mold |
| 12/18/2013 | CN101293316B Method and apparatus for processing positive displacement drill bearing |
| 12/12/2013 | WO2013183825A1 Self-piercing split rivet, method for manufacturing same, and method for fastening same |
| 12/11/2013 | CN203330324U One-step forging forming device for automobile wheel hub |
| 12/11/2013 | CN203330323U Cold heading die for automatic heading machine |
| 12/11/2013 | CN103442906A Shaft member for wheel rolling bearing device |
| 12/11/2013 | CN103433418A Precision forging device and method for spiral bevel gear |
| 12/11/2013 | CN102151786B Wobbler screw head die forging device and die forging method thereof |
| 12/10/2013 | US8601693 Method for manufacturing a toothed disc |
| 12/10/2013 | US8601692 Method of assembling a marine outboard engine |
| 12/04/2013 | CN203316662U Cold extrusion forming die for high-temperature-alloy high-strength skirt type self-locking hexagonal screw cap |
| 12/04/2013 | CN103429366A Method for producing piston for internal combustion engine |
| 12/04/2013 | CN103418737A Stacking device for electrode press |
| 12/04/2013 | CN103418722A Processing method of carrying out rotary forging on forge pieces with high precision of truck hub |
| 12/03/2013 | US8595934 Method of producing a composite body |
| 12/03/2013 | US8595933 Injection valve, method for its production, and apparatus for performing the method |
| 11/28/2013 | WO2013149270A8 Method for producing an extruded bearing journal |
| 11/27/2013 | EP2666561A1 Method for producing tooth profile component, and device for producing tooth profile component |
| 11/27/2013 | DE202012008133U1 Vakuumpumpe Vacuum pump |
| 11/27/2013 | CN203305554U Cold pressing mould of high-pressure oil pipe adapter of diesel engine |
| 11/27/2013 | CN203304479U Ceramic roller kiln transmission mandrel workblank |
| 11/27/2013 | CN103415401A Shaft member for wheel rolling bearing device |
| 11/27/2013 | CN103415400A Shaft member for rolling bearing device for wheel |
| 11/27/2013 | CN103415399A Rolling bearing device for wheel |
| 11/27/2013 | CN103415363A Method for producing a piston for an internal combustion engine |
| 11/27/2013 | CN103415362A Manufacturing method for wheel roller bearing device |
| 11/27/2013 | CN103415361A Method for producing a bearing ring, in particular for a tapered roller bearing |
| 11/27/2013 | CN102443741B Manufacturing method for steel ball for ball mill |
| 11/27/2013 | CN102292559B Connecting rod |
| 11/26/2013 | US8590815 Fuel injector tip with compressive residual stress |
| 11/20/2013 | CN203292418U Cold heading double-click structure |
| 11/14/2013 | WO2013167694A1 Method for producing a piston with a cooling duct |
| 11/14/2013 | WO2013097839A3 Piston for an internal combustion engine and method for producing same |
| 11/14/2013 | DE102013208557A1 Verfahren zur Herstellung eines Kühlkanalkolbens A method for producing a cooling channel piston |
| 11/14/2013 | DE102012009545A1 Method for manufacturing wheel for vehicle e.g. motor car, involves carrying out mass distribution of gathering mold in radial direction and performing introduction of contour into gathering mold by axial die rolling |
| 11/13/2013 | CN203281799U Compaction and molding tool for small-taper hub disk |
| 11/13/2013 | CN203281791U Anti-penetration pipe pressing die |
| 11/13/2013 | CN103386458A Forming method of straight slot or cross slot flat tail screw and die structure adopted by same |
| 11/13/2013 | CN103386453A Manufacturing method of multislot eccentric workpiece and cold heading reducing die |
| 11/12/2013 | US8578611 Apparatus for manufacturing hydro dynamic bearing device |
| 11/12/2013 | US8578607 Method of designing spokes of non-pneumatic tire |
| 11/06/2013 | EP2659993A1 Closed-die forging method and method of manufacturing forged article |
| 11/06/2013 | CN203265519U Multi-procedure centralized positioning device for forging aluminum alloy wheel |
| 11/06/2013 | CN203265518U Multifunctional spinning roller for forging aluminum alloy rim |
| 11/06/2013 | CN203265506U Split type cross-shaped piston die |
| 11/06/2013 | CN101801560B Infrared curing process for touch panel manufacturing |
| 11/05/2013 | US8572833 Method and apparatus for retaining an ornament |
| 10/31/2013 | WO2013159859A1 Connecting element for a scissor linkage of a door closer |
| 10/31/2013 | WO2013159241A1 Device and method for producing thick-walled ring gears provided with internally toothed sections for driving pinions |
| 10/31/2013 | US20130283877 Method and apparatus for progressively forging a hard disk drive base plate |
| 10/30/2013 | EP2656941A1 Forging device |
| 10/30/2013 | EP2656940A1 Method for producing tooth profile component, device for producing tooth profile component, and tooth profile component |
| 10/30/2013 | EP2656939A1 Device for producing drive plate and method for producing drive plate |
| 10/30/2013 | CN203253871U Sun gear forging blank |
| 10/30/2013 | CN203253536U Cold headed nut degreaser |
| 10/30/2013 | CN101961764B Method of producing metallic member |
| 10/29/2013 | US8567062 Method for assembling an electromagnetic gas valve, and electromagnetic gas valve |
| 10/29/2013 | US8567025 Deep rolling roller of a deep rolling machine arranged detachably on a housing |
| 10/24/2013 | WO2013157615A1 Wheel bearing device and manufacturing method therefor |
| 10/24/2013 | WO2013113871A3 Nut |
| 10/24/2013 | US20130276626 Hybrid pin for connecting a piston for an internal combustion engine to a piston rod, and pressing device for producing the hybrid pin |
| 10/24/2013 | DE102012103556A1 Method for manufacturing crankshaft of combustion engine, involves placing pivot portion of blacksmith tool on crank pin at preliminary position angle and moving from preliminary position to pivot position after forging operation |
| 10/24/2013 | DE102012007819A1 Method for manufacturing bracket for connecting longitudinal carrier with axle carrier in motor vehicle-body structure, involves manufacturing bracket with help of solid metal forming process, particularly by forging |
| 10/24/2013 | DE102012007618A1 Cup-like housing for receiving electrical or electronic components, has housing components, where one component is produced by deep-drawing and another is produced by extrusion, such that two components are joined together |
| 10/23/2013 | CN103357810A Extrusion forming manufacturing method for inner race of integral type titanium alloy self-lubricating spherical plain bearing |
| 10/23/2013 | CN102481620B Roll forming method for wheel spoke |
| 10/23/2013 | CN102256722B Forging method, closed forging mold and tripod uniform motion universal joint |
| 10/22/2013 | US8561297 Method for producing engine valve in which sodium metal is sealed |
| 10/17/2013 | WO2013152758A1 Method and device for the non-machining production of an external thread on workpieces made of metal |
| 10/17/2013 | DE102012103179A1 Verfahren und Vorrichtung zur spanlosen Herstellung eines Außengewindes auf Werkstücken aus Metall Method and apparatus for non-cutting production of an external thread on workpieces made of metal |
| 10/16/2013 | EP2502687B1 Method for crimping a bearing ring on a rotating member |
| 10/16/2013 | CN103352912A V-shaped crankshaft forging of six-cylinder engine and forging method thereof |
| 10/16/2013 | CN103350181A Automatic processing device of long bolt |
| 10/16/2013 | CN103350180A Forging forming method of fan shaft made of C250 maraging steel |
| 10/16/2013 | CN103350179A Forging forming method of low-pressure turbine shaft made of C250 maraging steel |
| 10/15/2013 | US8555508 Method for producing an internal or external part of an opposed track joint |
| 10/15/2013 | US8555503 Casting-integrated control body processing |
| 10/10/2013 | WO2013152255A1 Method of connecting non- symmetrical inside diameter vehicle spindle to stationary housing and axle assembly |
| 10/10/2013 | WO2013149271A1 Method for machining a functional part |
| 10/10/2013 | WO2013149270A1 Method for producing an extruded bearing journal |
| 10/09/2013 | EP2646299A1 Pump housing, in block form, of a vehicle brake system, and method for producing the same |
| 10/09/2013 | CN203227792U Fixing device of cutter die base and die cushion plate of multistage cold former |
| 10/08/2013 | US8549752 Method of adjusting a slipper clutch and spur gear assembly for a model vehicle |