| Patents for B21J 9 - Forging presses (2,855) |
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| 03/24/2009 | US7506530 Die cushion mechanism, and device and method for controlling the same |
| 03/17/2009 | US7503201 Two-stroke tool |
| 03/11/2009 | CN100467159C Unsymmetrical radial forging punching high performance precision blanking machine |
| 03/10/2009 | US7500918 Shaft member provided with a plurality of ridges on an outer circumferential surface thereof |
| 03/10/2009 | US7500372 Bending machine with a controlled-return bending die |
| 03/04/2009 | CN101376159A Electric screw press |
| 03/04/2009 | CN101376157A Machine for processing head of pipe fitting |
| 02/19/2009 | WO2009021320A1 Method and system for upsetting hollow members |
| 02/19/2009 | US20090044591 Forging method, forged product and forging apparatus |
| 02/19/2009 | CA2696169A1 Method and system for upsetting hollow members |
| 02/18/2009 | CN101367109A Forging apparatus |
| 02/18/2009 | CN101367108A Forging method |
| 02/17/2009 | US7490867 Pipe connector and a method for production thereof |
| 02/10/2009 | US7487659 Machine for working sheet metal parts, in particular a flanging machine, and a system for driving the machine |
| 02/10/2009 | US7487654 Hydraulic tool with tactile feedback |
| 02/04/2009 | CN100457320C Controlling system of moulded forging hydraulic press with proportional type oil controlling water |
| 02/03/2009 | US7485884 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 01/28/2009 | CN100455371C Method for forming ridges in a shaft member |
| 01/27/2009 | US7480971 Method and device for mounting a fastener element on a part, particularly a sheet metal part |
| 01/21/2009 | CN201183102Y Warm upsetting forming machine |
| 01/14/2009 | CN201179544Y Open forging hydraulic press |
| 01/14/2009 | CN100451589C Large-scale die forging water press pressure lack on-line detection method |
| 01/14/2009 | CN100450663C Servo motor control unit for press-forming machine |
| 01/13/2009 | US7475584 Servo-drive system and continuous finishing system of press |
| 01/07/2009 | CN101341352A Method for producing a rocker pressure piece and embossing device |
| 12/31/2008 | CN100446890C Driver for back punch mechanism and feeding mechanism of forged part forming machine |
| 12/24/2008 | CN201168761Y Special free forging hydraulic press |
| 12/17/2008 | CN101323007A Stuffy vehicle freeing device of hammer press |
| 12/11/2008 | US20080302167 Hydraulic tool with multiple handles |
| 12/11/2008 | US20080302162 Cold-headed standoff |
| 12/10/2008 | CN100441339C Forming machine of forging parts for swinging seat possible to be swung to and fro |
| 12/09/2008 | US7462853 Radioactive substance containment vessel, and radioactive substance containment vessel producing device and producing method |
| 12/09/2008 | US7461533 Forging method forged product and forging apparatus |
| 12/03/2008 | EP1996349A2 Hydraulic tool release system |
| 11/27/2008 | DE19982835B4 Verfahren und Werkzeug zum Bilden eines erweiterten Endabschnitts eines Stabes Method and tool for forming an enlarged end portion of a rod |
| 11/27/2008 | DE102007040130B3 Device for deforming a workpiece comprises a tool and an advancing unit for pressing the tool into a workpiece |
| 11/26/2008 | CN201154386Y Intermediate-frequency high-pressure steel tube finish forging machine |
| 11/20/2008 | WO2007108915A3 Hydraulic tool release system |
| 11/20/2008 | US20080282763 Hydraulic tool |
| 11/12/2008 | CN101301673A Mechanism from changing crank block into bar linkage without clutch and brake |
| 11/04/2008 | US7444849 Pipe bending apparatus |
| 10/29/2008 | CN201140260Y Side direction dragging fixed form coredforging hydraulic press |
| 10/29/2008 | CN101293268A Three-cylinder hydrostatic forging machine |
| 10/21/2008 | CA2511721C Forming machine having improved transmission mechanisms |
| 10/14/2008 | US7434442 Container bodymaker |
| 10/14/2008 | US7434434 Method and apparatus for producing a cylindrical hollow body from a blank |
| 10/14/2008 | US7434314 Tool and method for joining sidelapped joints of deck panels |
| 10/09/2008 | WO2008119686A1 Improved horizontal forging press |
| 10/08/2008 | CN101279352A Double-station forging method and device |
| 10/01/2008 | CN100421920C Press machine |
| 09/25/2008 | US20080233779 Method and Apparatus for the Manufacture of a Terminal for a Lead-Acid Type Accumulator and a Terminal Manufactured Therewith |
| 09/24/2008 | CN201120444Y Ultramicro-speed control structure of hydraulic press |
| 09/24/2008 | CN201120443Y Lever transfer structure for mechanical arm of multi-station cold heading machine |
| 09/24/2008 | CN100420949C Forging abnormal detection device of forged component forming machine |
| 09/11/2008 | US20080216549 Sheet metal bending brake |
| 09/10/2008 | EP1966511A2 Method for producing a rocker pressure piece and embossing device |
| 09/09/2008 | US7421878 Control device for servo die cushion |
| 09/09/2008 | US7421875 Cold-headed standoff |
| 09/04/2008 | US20080209972 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 09/03/2008 | EP1791663A4 Universal cam slide |
| 08/28/2008 | US20080202194 Device for automatically adjusting control cams in a forging machine |
| 08/27/2008 | CN201106622Y Press combined bearing |
| 08/27/2008 | CN101249603A Roll forming integrated technique of high intensity high-hardness alloy and roll forming equipment |
| 08/26/2008 | US7415862 Press device |
| 08/26/2008 | US7415856 Method and device for shaping and then lifting a workpiece |
| 08/21/2008 | WO2008051911A3 Apparatus for positioning a device |
| 08/20/2008 | CN201102053Y Hammer down shaping apparatus |
| 08/20/2008 | CN101247906A Method for the production of axially symmetrical workpieces with or without a toothed profile |
| 08/13/2008 | CN100409970C Universal-joint sleeve blank cold-upsetting formation art, and equipment therefor |
| 08/07/2008 | WO2008045204A3 Rocker switch |
| 08/05/2008 | US7406851 Die cushion controlling apparatus and die cushion controlling method |
| 07/31/2008 | US20080178652 Press Machine |
| 07/24/2008 | DE19958846B4 Verfahren zum Herstellen von länglichen Gesenkschmiedestücken A method of producing elongate die forgings |
| 07/23/2008 | CN201088999Y Combined frame type hot die forging press |
| 07/23/2008 | CN201088998Y Integrated frame type hot die forging press |
| 07/23/2008 | CN100404166C Multistage heading machine |
| 07/23/2008 | CN100404165C Upset forging forming machine for valve |
| 07/22/2008 | US7401492 Control device for a die cushion mechanism |
| 07/22/2008 | US7401488 Die cushion apparatus |
| 07/17/2008 | US20080168816 Rivet monitoring system |
| 07/16/2008 | CN101222991A Thermoforming system for metal workpiece |
| 07/15/2008 | US7398667 Die cushion drive system |
| 07/03/2008 | DE10246940C5 Vorrichtung zum Querfließpressen von Werkstücken und Verfahren zum Betreiben einer derartigen Vorrichtung Device for lateral extrusion of work pieces and method of operating such a device |
| 07/02/2008 | CN201079821Y Eight kilotons plate and frame forging press |
| 07/01/2008 | US7392684 Control system for servo die cushion |
| 06/25/2008 | CN100396401C Multistage heading and forming machine |
| 06/17/2008 | CA2522830C A spade-type boring bit |
| 06/05/2008 | US20080127704 Hollow stepped shaft and method of forming the same |
| 05/28/2008 | CN100389903C Forging method and forging apparatus |
| 05/28/2008 | CN100389895C Impact extrusion forming method, and impact extrusion forming device |
| 05/14/2008 | CN201058361Y Disconnection bored vehicle device of forging press |
| 05/13/2008 | US7370506 Forging die with marking means |
| 05/07/2008 | CN101172298A Hammer down shaping apparatus |
| 05/07/2008 | CN100386166C One-forge-to-multipiece superplastic forming device for amorphous alloy precise parts |
| 05/06/2008 | US7368075 Impact machine and a method of forming a body |
| 05/01/2008 | US20080098792 Wedge activated rotating filler cam |
| 04/24/2008 | WO2008048409A2 Hydraulic tool with tactile feedback |
| 04/23/2008 | CN201049376Y Electronic cam mechanism for pressing machine |
| 04/23/2008 | CN101164719A Numerically-controlled forging hydraulic press capable of realizing reactive power compensation |
| 04/23/2008 | CN101164718A Numerically-controlled forging hydraulic press capable of realizing workpiece automatic centering |