| Patents for B21J 7 - Hammers; Forging machines with hammers or die jaws acting by impact (996) |
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| 09/23/2009 | CN101537440A Method for preparing tungsten-copper alloy wires by utilizing hot-swage technology |
| 09/15/2009 | US7587922 Hemming machine and inspecting method thereof |
| 09/03/2009 | DE202004021636U1 Vorrichtung zur Herstellung von Sechskantschlüsseln mit Kugelkopf aus Sechskantdraht (Spanlos) Apparatus for producing hex keys with ball head hex wire (without cutting) |
| 08/25/2009 | US7578041 Method of reducing a stent in cross-section |
| 08/12/2009 | CN100525942C Plate thickness pressing device and method |
| 07/29/2009 | CN201279564Y Double-purpose hydraulic forging hammer |
| 07/29/2009 | CN100518989C Method for production of a seamless hot-finished steel tube and device for carrying out the method |
| 07/16/2009 | US20090178455 Method And Device For Producing Hollow Profiled Elements |
| 07/02/2009 | DE10332888C5 Verfahren zum Umformen eines Werkstücks und Umformvorrichtung A method of forming a workpiece and shaping device |
| 07/01/2009 | CN100506424C Double vertical module forge hammer |
| 06/30/2009 | US7553268 Tool holding clamp for radial presses |
| 06/25/2009 | DE202009003703U1 Umformwerkzeug, insbesondere Knetwerkzeug Forming tool, especially kneading tool |
| 06/24/2009 | CN101462147A High-speed air-actuated hammer-forging device |
| 06/10/2009 | CN101450366A Mid-frequency high-pressure steel tube finish-forging device |
| 06/03/2009 | CN100493766C Improved tool post clamp for radial press |
| 05/05/2009 | US7526940 Die element changing devices |
| 04/22/2009 | CN101412068A Vertical type forging machine |
| 04/22/2009 | CN101412067A Radial forging mechanism |
| 04/08/2009 | CN201217151Y Rolling and forming integrated machine special for high-strength glass-hard refractory alloy |
| 04/01/2009 | EP2014390A4 Four-die forging device |
| 04/01/2009 | CN201214133Y Radial forging mechanism |
| 04/01/2009 | CN100473475C Top flush prevention electrohydraulic hammer |
| 03/12/2009 | US20090064753 Work conveyance device, press machine and bar removal method |
| 03/11/2009 | CN100467159C Unsymmetrical radial forging punching high performance precision blanking machine |
| 03/03/2009 | US7497106 Crimping apparatus with a support structure including first and second portions |
| 02/19/2009 | US20090044883 Method of making a seamless hot-finished steel pipe, and device for carrying out the method |
| 02/18/2009 | EP1814679B1 Method for production of a seamless hot-finished steel tube |
| 02/12/2009 | US20090043249 Tisssue prosthesis processing technology |
| 02/11/2009 | CN201192719Y Pressure transfer safety control manipulator of clamping hammer for production billet by forging |
| 02/03/2009 | US7484297 Method and apparatus for manufacturing a catalytic converter |
| 01/28/2009 | CN101356029A Equipment for forging four-hammer |
| 01/21/2009 | CN101347814A Convenient hydraulic electrohydraulic hammer |
| 01/21/2009 | CN100453204C Bars and tubes material unsymmetrical radial welding punched high performance precision blanking method |
| 01/15/2009 | WO2009007048A1 Ring press |
| 01/14/2009 | EP2014390A1 Four-die forging device |
| 01/08/2009 | WO2009003790A1 Device for machining workpieces |
| 01/08/2009 | US20090007622 Mechanical Press Drive System and Method |
| 12/25/2008 | US20080314610 Hand-Held Power Tool, in Particular a Rotary Hammer and/or Chisel Hammer |
| 12/24/2008 | EP1385653B1 Method employing high kinetic energy for working of material |
| 12/23/2008 | US7467534 Punching machine with spring-supported work support |
| 12/09/2008 | CA2404648C Method for manufacturing of a plate involving an intermediate preforming and a final shaping |
| 11/26/2008 | CN201154386Y Intermediate-frequency high-pressure steel tube finish forging machine |
| 11/12/2008 | CN100431781C Method for making hammer stem for forging equipment |
| 11/11/2008 | US7448243 Swaging technology |
| 09/18/2008 | WO2008111834A1 Pile-driving device |
| 09/18/2008 | WO2008111833A1 Pile-driving method and device |
| 09/03/2008 | CN101254519A Lower ram micromotion full-hydraulic counterblow hammer |
| 09/03/2008 | CN100415397C Plate thickness pressing device and method |
| 08/27/2008 | CN101249603A Roll forming integrated technique of high intensity high-hardness alloy and roll forming equipment |
| 08/20/2008 | CN201102052Y Noise regulation for drop stamp and oil-water collecting device |
| 08/13/2008 | CN201100279Y Energy storage device special for liquid gas hammer |
| 08/05/2008 | CA2452621C Steel for mechanical construction, process for hot forming a piece of this steel and part thus obtained |
| 07/31/2008 | WO2008091176A1 Four-die forging device |
| 07/31/2008 | DE10158121B4 Schmiedemaschine mit einem Werkstück-Haltemechanismus und einem Schneidemechanismus, die durch die gleiche Antriebsvorrichtung angetrieben werden A forging machine with a workpiece holding mechanism and a cutting mechanism, which are driven by the same drive device |
| 07/17/2008 | US20080168819 Closing device and closing method |
| 06/11/2008 | CN101198425A Method for producing internal tooth section and external tooth section on cylinder type hollow member with thin wall |
| 05/28/2008 | CN201064812Y Lower hammer head micro-motion full hydraulic pressure counterblow hammer |
| 05/15/2008 | US20080110009 Method for shaping a work piece and shaping device |
| 04/30/2008 | EP1915225A1 Method for producing internal and external toothings on thin-walled, cylindrical hollow parts |
| 04/26/2008 | CA2606942A1 Pipe, manufacturing process thereof and corresponding tool |
| 04/23/2008 | CN100382915C Forging technique of full fiber for hollow cone axis in express locomotive |
| 04/15/2008 | US7357073 Drive unit and drive method for press |
| 04/03/2008 | DE19954210B4 Rundknetmaschine Swaging machine |
| 04/01/2008 | US7351948 Safety system and method utilizing multiple laser beams for an industrial machine |
| 03/27/2008 | US20080072653 Cold collapse method and apparatus |
| 03/27/2008 | DE102006017640B4 Werkzeugsatz für eine Umformmaschine Tool set for a forming machine |
| 02/20/2008 | CN201023122Y Air hammer lead seal structure improvement |
| 02/14/2008 | US20080034573 Method of Forming Member, Valve Guide and Method of Forming the Same, and Method of Forming Tubular Member |
| 02/07/2008 | DE19955321B4 Rundknetmaschine mit hydraulischem Kraftausgleich Swaging machine with hydraulic force balance |
| 02/07/2008 | DE19952229B4 Rundknetmaschine Swaging machine |
| 02/07/2008 | DE19754934B4 Rundknetmaschine mit eine Einlaufschräge aufweisenden Knetwerkzeugen sowie Verfahren zum Umformen von Werkstücken mit einer solchen Rundknetmaschine Swaging machine with a running slope having kneading tools and methods for forming workpieces with such a swaging machine |
| 02/07/2008 | DE10308041B4 Verfahren und Fertigungssystem zum Umformen Method and system for forming manufacturing |
| 02/05/2008 | US7325437 Long reach press |
| 01/30/2008 | CN201012380Y Novel electrohydraulic hammer activating beam |
| 01/23/2008 | CN201008933Y Pneumatic hammer capable of vertically smithing tapering spindle over-size |
| 01/23/2008 | CN201008931Y Hydraulic hammer anti-spraying oil device |
| 01/09/2008 | CN100360257C Control system for great flow of electrohydraulic hammer |
| 01/08/2008 | US7316147 Apparatuses for crimping and loading of intraluminal medical devices |
| 01/01/2008 | US7313942 Forging machine for the upsetting of deformed reinforcement bars |
| 12/12/2007 | CN200988083Y Gear mold forging hammer |
| 11/29/2007 | US20070271989 Swage Presses |
| 11/29/2007 | DE19955323B4 Rundknetmaschine mit gleitgelagerter Werkzeuganordnung With plain bearing swaging machine tool assembly |
| 11/22/2007 | US20070266759 Die for mechanical joining |
| 11/22/2007 | DE102006023725A1 Circumferential squeezing device for bar shape workpieces can be used for crcumferential squeezing of hollow or solid sections |
| 11/07/2007 | CN101068636A Method for production of a seamless hot-finished steel tube and device for carrying out said method |
| 10/24/2007 | CN101058111A Dropping grabbing tamping hammer |
| 10/24/2007 | CN101058110A Unsymmetrical radial welding punched high performance precision blanking machine |
| 10/24/2007 | CN101058109A Bars and tubes material unsymmetrical radial welding punched high performance precision blanking method |
| 10/23/2007 | US7284407 Reciprocating drive mechanism and press using the same |
| 10/18/2007 | DE102006017640A1 Tool set for a shaping machine with an upper saddle with upper and lower saddles, clamping head and anvil generally useful in shaping operations greatly simplifies mold knockout |
| 10/16/2007 | US7281402 Method and apparatus for optimizing forging processes |
| 09/19/2007 | CN101039763A Process for producing thin californium-containing radioactive source wires |
| 08/23/2007 | US20070193328 Crimper |
| 08/23/2007 | US20070193010 Process for forming a variable gauge metal sheet into a desired shape |
| 08/16/2007 | US20070186615 Crimping apparatus and methods of crimping with retainers |
| 08/15/2007 | CN2933649Y Bivertical module forging hammer |
| 08/08/2007 | EP1814679A1 Method for production of a seamless hot-finished steel tube and device for carrying out said method |
| 07/25/2007 | CN2925689Y Electrohydraulic hammer against punch |
| 07/12/2007 | DE102004060017B4 Umformeinrichtung, sowie Verfahren zur Betätigung einer Umformeinrichtung Forming device, and method of operating a forming |
| 07/03/2007 | US7237706 Drop hammer |