| Patents for B21J 7 - Hammers; Forging machines with hammers or die jaws acting by impact (996) |
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| 02/13/2013 | CN202725909U Shock-absorbing and denoising air hammer |
| 02/06/2013 | EP2554293A1 Pipe forging method with cast hollow block |
| 01/31/2013 | DE102011109071A1 Rohrschmiedeverfahren mit urgeformten Hohlblock Tube forging method with urgeformten hollow block |
| 01/30/2013 | CN202701239U Broaching and forging device for freely forging large-diameter rings |
| 01/23/2013 | CN202683896U Electrohydraulic hammer |
| 01/23/2013 | CN202683895U Tungsten-molybdenum rotary swaging device |
| 01/16/2013 | CN202667523U Forging hammer |
| 01/16/2013 | CN202667522U Air hammer with exposed upper anvil block |
| 01/16/2013 | CN202667521U Pneumatic hammer with double-rod piston |
| 01/16/2013 | CN102883835A Tool unit of a rotary kneading machine |
| 01/08/2013 | CA2615220C Method for producing internal and external toothings on thin-walled, cylindrical hollow parts |
| 12/27/2012 | WO2012177964A2 Tuyere remover |
| 12/27/2012 | CA2877672A1 Tuyere remover |
| 12/25/2012 | US8336177 Tool for the connection of tubes by means of connection sleeves |
| 12/19/2012 | CN102834199A Tool unit of a rotary kneading machine |
| 12/19/2012 | CN102825193A Structure of novel forging power hammer |
| 12/05/2012 | CN202571156U Novel hanging machine |
| 11/28/2012 | CN102794379A Fully-hydraulic counter-blow hammer |
| 11/15/2012 | DE202011110122U1 Einrichtung einer Rundknetmaschine mit einer Werkstück-Halterung und einer Dornstangen-Halterung Establishment of a swaging machine with a workpiece holder and a mandrel rod support |
| 11/07/2012 | CN202516990U Large energy-saving water-cooling air hammer |
| 11/07/2012 | CN202516989U Pneumatic hammer |
| 11/06/2012 | US8302452 Mechanical press drive system and method |
| 11/01/2012 | WO2012147742A1 Fabrication method for stepped forged material |
| 10/18/2012 | DE102009013435B4 Knetwerkzeug Kneading tool |
| 10/17/2012 | CN102734256A Tandem type hydraulic cylinder of electro-hydraulic hammer |
| 10/17/2012 | CN102728757A Hammer forging device for forming complicated long-axis forgings applied to radial forging machine |
| 10/10/2012 | CN102717078A Process of tungsten alloy rotary swaging rod with high density and high performance |
| 10/10/2012 | CN102717019A Mechanical press with single degree of freedom |
| 10/10/2012 | CN102717018A Connecting rod press machine with swinging guide rod |
| 10/10/2012 | CN102717017A Press with combined mechanism with single degree of freedom |
| 10/10/2012 | CN102717016A Mechanical press with connecting rod |
| 10/04/2012 | WO2012130364A1 Radial press |
| 10/03/2012 | CN102700668A Titanium alloy seamless pipe with variable wall thickness as well as radial forging and forming mechanism and method of titanium alloy seamless pipe |
| 09/26/2012 | CN102688967A Air hammer with double-rod piston |
| 09/19/2012 | CN202438649U Pneumatic die hammer |
| 09/05/2012 | CN202411307U Forging device |
| 09/05/2012 | CN202411306U Electrical-hydraulic hammer with series improvement |
| 09/05/2012 | CN202411305U Three-hammerhead radial main engine of rotary swaging machine |
| 08/22/2012 | CN202387894U Steam hammer |
| 08/21/2012 | US8245559 Radial compression mechanism with optimum die-to-die gap |
| 08/01/2012 | CN202356554U Air hammer |
| 08/01/2012 | CN202356553U Double-toggle type four-hammer forging machine |
| 07/31/2012 | US8230940 Method for driving a support into a ground surface by means of a pile-driving device, and a pile-driving device for use with such a method |
| 07/18/2012 | CN101722262B New method for producing medium and large caliber alloy steel seamless pipe by utilizing radial forging technology |
| 07/12/2012 | US20120174648 Apparatus for providing a rolling action of a curved tool along a flat stationary substrate |
| 07/11/2012 | CN102554091A Large energy-saving water cooling air hammer |
| 06/20/2012 | EP2464476A1 Forging die apparatus for steering racks |
| 06/20/2012 | CN102500731A Lubricating device of steam-air hammer and use method of device |
| 06/13/2012 | CN202270900U Bi-directional synchronous forging and pressing mechanism |
| 06/13/2012 | CN202270899U 一种蒸汽-空气锤的润滑装置 A steam - air hammer lubrication system |
| 06/13/2012 | CN102489649A Air hammer |
| 05/30/2012 | CN202261846U Preheating device and steam-air hammer adopting preheating device |
| 05/30/2012 | CN202239417U Improved structure for distributor cam transmission |
| 05/30/2012 | CN102481618A 用于转向齿条的锻模设备 For the steering rack die apparatus |
| 05/02/2012 | CN102430679A Steam hammer |
| 04/18/2012 | CN202192191U 一种四缸液锻锤 One kind of four-cylinder liquid hammer |
| 04/18/2012 | CN202192190U 一种旋转锻压机 A rotary forging machine |
| 04/18/2012 | CN202192189U 一种工件模锻锤 A work forging hammer |
| 04/18/2012 | CN202192188U 一种多立模锻锤 A multi-stand forging hammer |
| 04/18/2012 | CN202192187U 一种气动模锻锤 One kind of pneumatic forging hammer |
| 04/11/2012 | CN102413959A 成型工具、特别是搓捏工具 Molding tools, especially Cuonie Tools |
| 04/10/2012 | US8151436 Method of forming member, valve guide and method of forming the same, and method of forming tubular member |
| 04/05/2012 | DE102010037896A1 Method for shaping workpiece, involves controlling movements and positions of handling devices by control device |
| 03/21/2012 | CN102387614A Preheating device and using method thereof and steam-air hammer using preheating device |
| 03/21/2012 | CN102380568A Swaging apparatus |
| 03/14/2012 | CN202162320U 无声锤 Silent Hammer |
| 03/07/2012 | CN202155459U 液压锤用复合油缸 The composite cylinder hydraulic hammer |
| 03/07/2012 | CN202155458U 一种机械式双储能冲击机构 A mechanical impact mechanism dual energy storage |
| 03/01/2012 | WO2011160147A3 Forging apparatus |
| 02/22/2012 | EP2420332A1 Gripper for holding the tools of a radial press |
| 02/22/2012 | CN102357634A Mechanical double energy storage impact mechanism and impact method |
| 02/21/2012 | US8117884 Method for producing internal and external toothings on thin-walled, cylindrical hollow parts |
| 02/16/2012 | DE102008064230B4 Umformmaschine, insbesondere Gegenschlaghammer mit Stellungserfassung der Bären Forming machine, in particular cross-hammer with position detection of the bears |
| 02/14/2012 | US8112857 Stent crimping device |
| 02/01/2012 | CN102335705A Electric direct driving type impact forging hammer |
| 01/31/2012 | US8104321 Stent crimping mechanisms |
| 01/25/2012 | EP2408577A1 Forming tool, in particular a kneading tool |
| 01/17/2012 | US8096162 Hydraulic processing pincers |
| 01/04/2012 | CN102303084A Double-toggle rod type four-hammer forging device |
| 12/29/2011 | WO2011160147A2 Forging apparatus |
| 12/28/2011 | CN202087761U Special hammer for hydraulic press |
| 12/23/2011 | DE202008018169U1 Kurzhubgesenkhammer mit elektrischem Direktantrieb Kurzhubgesenkhammer with electric direct drive |
| 12/21/2011 | CN202079208U 一种电液锤锤杆 An electro-hydraulic hammer hammer rod |
| 12/21/2011 | CN101745594B 爆燃式冲击锻锤 Deflagration impact hammer |
| 11/30/2011 | CN102264488A 使锻锤运行的方法 The method of operation so that hammer |
| 11/02/2011 | CN202021309U Quick release valve core for electric-hydraulic hammer |
| 10/26/2011 | CN102225434A Method for preparing tungsten copper alloy wire materials by using hot-swage technology |
| 10/19/2011 | CN202010754U Hydro-pneumatic counterblow hammer |
| 10/13/2011 | WO2011124489A1 Device of a rotary kneading machine with a tool holder and a mandrel bar holder |
| 10/13/2011 | WO2011124487A1 Tool unit of a rotary kneading machine |
| 10/13/2011 | WO2011124486A1 Tool unit of a rotary kneading machine |
| 10/13/2011 | DE102010014583A1 Einrichtung einer Rundknetmaschine mit einer Werkstück-Halterung und einer Dornstangen-Halterung Establishment of a swaging machine with a workpiece holder and a mandrel rod support |
| 10/12/2011 | EP2373446A1 Method for operating a hammer |
| 09/27/2011 | US8024955 Part in die, die change process |
| 09/06/2011 | CA2521072C Improved tool post clamp for radial press |
| 08/16/2011 | US7997115 Folding device for a bending press, in particular an edging press |
| 08/10/2011 | CN201921963U 用于加工工件的装置 Means for machining the workpiece |
| 08/02/2011 | US7987569 Method of surface densification of a powder metal component |
| 07/20/2011 | CN102128184A Special liquid cylinder for electro-hydraulic hammer |
| 07/20/2011 | CN102125975A Hammer synchronizing device for four-hammer hydraulic precision forging machine |