| Patents for B21J 1 - Preparing metal stock (1,586) |
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| 04/15/2009 | CN101406925A Method for device for forming metal micro-thixotropy in semi-solid state assistant by supersonic vibration |
| 04/14/2009 | US7516772 Method of forming a product of metal-based composite material |
| 04/08/2009 | CN101402128A Self-changing gearbox flywheel bracket tray deep-drawing hammer down forming process and mould |
| 04/08/2009 | CN101402127A Casting parts method and forging press for forging casting part with side opening or pleural furrow, and adjustable wrench |
| 04/08/2009 | CN100476012C Method for producing magnesium base alloy formed article |
| 04/08/2009 | CN100475995C Method for producing natural bornite products |
| 04/08/2009 | CN100475430C Manufacturing process of chain wheel for chain saw |
| 04/02/2009 | DE19722287B4 Drahtvorschub- und Ziehvorrichtung Wire feed and puller |
| 04/01/2009 | CN100473744C Method for preparing rare-earth containing high temperature oxidation resistant ferritic stainless steel |
| 03/25/2009 | CN101393806A Fabrication process for energy storage spring conductor rod |
| 03/25/2009 | CN101392315A Technique method for improving twin boundary number in gamma' precipitation enhancement type ferrous alloy |
| 03/24/2009 | CA2343546C Upsetting tool for forming continuous cast slab in slab upsetting presses |
| 03/18/2009 | CN101389417A Method of heating control in steel sheet production line and apparatus therefor |
| 03/18/2009 | CN100469486C Rolling preparation method for thick-walled and thin-bottomed basin parts |
| 03/11/2009 | CN101381851A Drill rod of digger capable of high temperature crushing operation and producing method thereof |
| 03/11/2009 | CN100467658C Non-magnetic high-strength stainless steel material and method for manufacturing the same |
| 03/11/2009 | CN100467181C Gas turbine blower impeller isothermy die forging method |
| 03/11/2009 | CN100467156C Method for smithing GH4169 alloy plate shaped forgeable piece in air at an approximately equal temperature |
| 03/04/2009 | EP2030705A1 Hot forming tool |
| 03/04/2009 | EP2030704A1 Hot forming tool |
| 03/04/2009 | EP1536899B1 Method for manufacture of a metal shell, and a cup designed to serve as a blank |
| 03/04/2009 | CN101376156A Method for forging and pressing component reactor core fulcrum table forging in nuclear pile |
| 02/25/2009 | CN100463739C Inner step profile section ring parts rolling forming method |
| 02/18/2009 | CN100462469C Cold and hot shearing edge steel for shearing thick plate |
| 02/11/2009 | CN100460547C High-temperature-resistance FeNiCo constant-modulus alloy, preparation method thereof, and method for preparing components by using same |
| 02/11/2009 | CN100460106C Producing method of tool noumenon and the products thereof |
| 01/28/2009 | CN101353770A High strength stainless gear steel and preparation thereof |
| 01/28/2009 | CN101353762A Silver copper composite deep punch type ferrite antibiotic stainless steel, steel plate and manufacturing method thereof |
| 01/28/2009 | CN101352796A Novel technique for producing mandrel bar |
| 01/28/2009 | CN101352748A Method for producing reinforced bar with anchoring section |
| 01/21/2009 | CN201183102Y Warm upsetting forming machine |
| 01/21/2009 | CN100453683C Low-temperature high-strength, high-toughness steel and preparing method therefor |
| 01/21/2009 | CN100453203C Forging method of high grade carbon steel hook, ring parts |
| 01/07/2009 | EP2012027A1 Magnesium-based alloy screw and producing method thereof |
| 12/31/2008 | CN101333624A Anti-H2S stress corrosion high pressure resistant forgings and method for manufacturing same |
| 12/31/2008 | CN101332485A Processing method of end upsetting of drill pipe |
| 12/31/2008 | CN101332484A Die forging method of high-temperature alloy |
| 12/24/2008 | CN100445419C Ta sputtering target and method for preparation thereof |
| 12/17/2008 | CN201164895Y Amorphous alloy hot press molding apparatus |
| 12/17/2008 | CN201164891Y Press forming apparatus capable of changing mould rapidly |
| 12/17/2008 | CN100443214C Machine and method for processing rotary blade |
| 12/11/2008 | WO2008151108A1 Thermal forming of refractory alloy surgical needles |
| 12/11/2008 | US20080302775 Metal forming apparatus and process with resistance heating |
| 12/11/2008 | CA2689107A1 Thermal forming of refractory alloy surgical needles |
| 12/10/2008 | CN100441338C Method for making tool body |
| 12/09/2008 | CA2404648C Method for manufacturing of a plate involving an intermediate preforming and a final shaping |
| 12/03/2008 | CN101314202A Method for producing wind-electricity principal axis with gathering stock full fibre upset forging |
| 12/03/2008 | CN100439550C Long-life alloy die-casting module and manufacturing method thereof |
| 12/03/2008 | CN100439523C Process for preparing high-performance molybdenum bar |
| 11/26/2008 | CN201154384Y Steel ball cold header |
| 11/26/2008 | CN101311293A Large-scale mold module and method for manufacturing same |
| 11/26/2008 | CN101311290A Nonmagnetic Strength-toughen stainless steel and method for manufacturing same |
| 11/19/2008 | CN201150957Y Rotating mechanism of round billet lower-surface descaler |
| 11/19/2008 | CN201150956Y Lifting device for billet top-surface descaler |
| 11/12/2008 | CN101301676A Large size roller cold-upsetting and press-forming method, and cold-upsetting and press-forming mold |
| 11/12/2008 | CN100431781C Method for making hammer stem for forging equipment |
| 11/12/2008 | CN100431736C SAE6427 steel forging heating process |
| 10/29/2008 | CN101294258A Low-chromium high purity ferritic stainless steel and method for manufacturing same |
| 10/22/2008 | CN201136037Y Mould block of inner-cooling type carriage axle |
| 10/22/2008 | CN101291753A Roughly shaped material for forging, forged product, apparatus for molding roughly shaped material for forging, and method of molding roughly shaped material for forging |
| 10/16/2008 | DE102006004107B4 Vorrichtung zur Kühlschmierung mindestens eines Gesenks einer Umformmaschine Apparatus for cooling lubrication at least one of a forming die |
| 10/15/2008 | CN101284300A Shaping method of safety air bag gasifier pressure cover |
| 10/15/2008 | CN101284298A Preparation method of aluminium alloy semi-solid state blank for large size forging |
| 10/15/2008 | CN101284296A Rolling and shaping method of titanium alloy taper ring forged piece |
| 10/08/2008 | CN101279349A Method for rolling and forming nickel-based high-temperature alloy conical ring |
| 10/08/2008 | CN101279348A Method for rolling and shaping aluminum alloy conical ring |
| 10/08/2008 | CN101279347A Method for rolling and shaping stainless steel conical ring |
| 10/08/2008 | CN101279346A Method for rolling and shaping nickel-based high-temperature alloy special-shaped ring forging |
| 10/08/2008 | CN101279345A Method for rolling and shaping titanium alloy special-shaped ring forging |
| 10/08/2008 | CN101279344A Method for rolling and shaping aluminum alloy special-shaped ring forging |
| 10/08/2008 | CN101279343A Method for rolling and shaping stainless steel special-shaped ring forging |
| 10/08/2008 | CN100424193C GH696 alloy vane ausform forming process |
| 10/01/2008 | CN101274349A Automatic heating mechanism |
| 09/25/2008 | WO2008114680A1 Aluminum alloy forgings and process for production thereof |
| 09/24/2008 | CN101270451A Plastic mold steel and method for manufacturing same |
| 09/23/2008 | CA2368062C Method for forming metal parts by cold deformation |
| 09/22/2008 | CA2627029A1 Warm-forming a1 lubricant |
| 09/16/2008 | CA2346530C Process for manufacturing a part of a metal matrix composite material |
| 09/12/2008 | WO2008106858A1 A quasi-isothermal forging method of a disk shaped forging of nickel-base superalloys in air |
| 09/10/2008 | CN101259584A Method for preparing high-density molybdenum tube |
| 09/04/2008 | WO2008104360A1 Method for shaping a blank, and cooling device for a blank |
| 09/04/2008 | US20080210351 Formed product and method for production thereof |
| 09/04/2008 | CA2679432A1 Method for shaping a blank, and cooling device for a blank |
| 09/03/2008 | EP1964624A1 Swaging method and swaging apparatus |
| 09/03/2008 | CN101254577A Manufacturing method of ultra low temperature and high intensity fine grain simple steel flange |
| 09/03/2008 | CN101254518A 1Mn18Cr18N steel guard ring forgeable piece forging technique for electric generating set |
| 09/03/2008 | CN101254517A Silumin piston contour forging technique and mold |
| 09/03/2008 | CN100415397C Plate thickness pressing device and method |
| 08/27/2008 | CN101253344A Uniform speed universal joint |
| 08/20/2008 | CN101244507A Process for manufacturing TC4 titanium alloy thin wall overpressure resistant barrel |
| 08/20/2008 | CN100411770C Generator magnetic pole precision forging method |
| 08/13/2008 | CN101239434A Method for processing cutter blank of kitchen knife |
| 08/06/2008 | EP1952903A1 Roughly shaped material for forging, forged product, apparatus for molding roughly shaped material for forging, and method of molding roughly shaped material for forging |
| 08/05/2008 | CA2452621C Steel for mechanical construction, process for hot forming a piece of this steel and part thus obtained |
| 07/31/2008 | WO2008090597A1 Method of heating control in steel sheet production line and apparatus therefor |
| 07/30/2008 | CN101229572A Moulding technology of tongue rail heeling of heavy haul railway |
| 07/23/2008 | CN101224481A Producing method of stamp forging hardware products |
| 07/22/2008 | CA2467600C Method for producing formed articles |
| 07/16/2008 | CN101223292A Process for producing bearing device for wheel |
| 07/09/2008 | CN101216271A Manufacture method of cutlery body with multiple pattern change |