| Patents for B21J 7 - Hammers; Forging machines with hammers or die jaws acting by impact (996) |
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| 03/05/2015 | WO2015031118A1 Bearing pin upset method to retain high hardness pins |
| 02/24/2015 | US8959978 Forging press and method of controlling same |
| 02/10/2015 | US8950232 Hydraulic swage press |
| 01/28/2015 | CN204122671U 新型吊臂锤 The new boom hammer |
| 01/21/2015 | CN204108204U 冷锻成型机用冲击装置 Cold forging machine with impact device |
| 01/21/2015 | CN104289648A 一种自动翻转锻打装置 An automatic flip forging equipment |
| 01/15/2015 | WO2015005996A1 Apparatus and method for momentum-balanced forging |
| 12/31/2014 | CN204052747U 一种锻锤 One kind of hammer |
| 12/17/2014 | CN204018619U 新型空气锤 The new air hammer |
| 12/17/2014 | CN204018618U 一种限位单体空气锤 Limit one kind of monomer air hammer |
| 12/10/2014 | CN104190834A 新型吊臂锤 The new boom hammer |
| 10/09/2014 | WO2014164994A1 Press machine |
| 10/09/2014 | WO2014163798A1 Thermomechanical processing of high strength non-magnetic corrosion resistant material |
| 09/12/2014 | WO2014134645A1 Method for producing a gun barrel having barrel flutings |
| 08/13/2014 | CN203764865U 一种全液压电液锤外缸套的防裂装置 Crack means a fully hydraulic electro-hydraulic hammer outer liner |
| 08/07/2014 | DE102004060413B4 Verfahren und Vorrichtung zum Überwachen der Position eines Umformwerkzeugs an seinem Träger Method and apparatus for monitoring the position of a forming tool on its support |
| 08/06/2014 | CN203751212U 一种液气式电液锤动力头 One kind of electro-hydraulic hammer hydraulic and pneumatic power head |
| 08/06/2014 | CN103962488A 一种快锻油压机自动锻造系统 In fast forging hydraulic press forging automatic system |
| 07/23/2014 | CN103934303A 一种高性能铜/铝复合管的制备方法 Method for preparing high-performance copper / aluminum composite pipe |
| 07/17/2014 | WO2014013466A3 Cushioning slides |
| 07/16/2014 | CN203711724U 一种对击锻锤 Kind of blow hammer |
| 07/16/2014 | CN103920837A 一种带有外置变径机构的交流伺服式旋锻机 AC servo rotary forging machine with an external adjustable mechanism of |
| 07/09/2014 | CN203695833U 一种无振动全液压电液锤 A non-vibrating hydraulic electro-hydraulic hammer |
| 07/09/2014 | CN102500731B 一种蒸汽-空气锤的润滑装置及该装置的使用方法 A steam - air hammer to use lubricating device and the device |
| 07/03/2014 | WO2014105729A1 Dual forging system and method |
| 07/02/2014 | CN103894528A 一种多功能精密交流伺服旋锻机 A multifunctional precision AC servo rotary forging machine |
| 06/25/2014 | EP2745954A2 Method for forging |
| 06/18/2014 | CN103861888A Preparation method for high-performance copper/titanium composite pipe |
| 05/28/2014 | CN203610575U 主控阀旁置立放式全液压电液锤 Home stand up next to the master valve type full hydraulic electro-hydraulic hammer |
| 05/21/2014 | CN103801648A 一种精密旋锻机 A precision rotary forging machine |
| 05/20/2014 | US8726714 Cutting and/or forming plate workpieces |
| 05/20/2014 | US8726712 Apparatus for processing sealing lip of metallic can, and metallic can processed by said apparatus |
| 05/15/2014 | DE102013002405B3 Method for operating forging hammer during forging of workpiece, involves compensating surplus energy position of upper tool when actual achieved starting height is above optimum starting height |
| 05/14/2014 | CN203592096U 电液锤动力头的安装结构 Electric power head mounting structure of the liquid hammer |
| 05/14/2014 | CN203592095U 电液锤动力头的安装结构 Electric power head mounting structure of the liquid hammer |
| 05/07/2014 | CN203578656U 一种半自动锻造锤 A semi-automatic forging hammer |
| 05/07/2014 | CN103769511A 液压联动液压对击锤 On hydraulic hammer hydraulic linkage |
| 04/24/2014 | WO2014062095A1 Forge hammer with a hydraulic drive |
| 04/23/2014 | CN103736890A Hammerhead subsection tilting type seamless steel tube hot heading machine |
| 04/02/2014 | CN203508895U Air impact hammer |
| 03/26/2014 | CN203495111U Multi-spiral lifting mechanism |
| 03/12/2014 | CN203470790U Draw cord displacement detection device of free forging press |
| 03/12/2014 | CN103627975A High-chromium alloy steel hammerhead material and preparation method thereof |
| 03/12/2014 | CN102413959B Forming tool, in particular kneading tool |
| 03/11/2014 | CA2760923C Apparatus for texturing the surface of a brake plate |
| 03/05/2014 | EP2703100A1 Fabrication method for stepped forged material |
| 02/12/2014 | EP2694230A1 Radial press |
| 02/04/2014 | US8640521 Expandable prosthetic valve crimping device |
| 01/22/2014 | EP2687392A1 Method for producing a pipe stabiliser for a motor vehicle |
| 01/02/2014 | DE102012010218B4 Festklopfvorrichtung Hard rapper |
| 01/01/2014 | CN103492099A Fabrication method for stepped forged material |
| 12/25/2013 | CN103464665A Method for forging lead frame raw material for power integrated circuit |
| 12/17/2013 | US8607606 Method for producing the round edge of a part, device for carrying out said method and a striker used therein |
| 12/11/2013 | CN203330318U Chuck servo control and spring-applied braking releasing hollow shaft rotary device |
| 12/04/2013 | CN203316660U Air hammer capable of replenishing air continuously |
| 11/28/2013 | DE102012010218A1 Fixed knocking device for smoothing/solidifying surface of symmetric workpiece, has actuator for activation of head for oscillation with knocking frequency, where resonance frequency of device is variably adjusted to knocking frequency |
| 11/20/2013 | CN203292404U Electric hydraulic hammer automatic unloading control device |
| 11/20/2013 | CN203292403U Variable-speed circumferential low-stress bending fatigue fracture precision blanking machine |
| 11/13/2013 | CN102700668B Titanium alloy seamless pipe with variable wall thickness as well as radial forging and forming mechanism and method of titanium alloy seamless pipe |
| 11/06/2013 | CN203265522U Simple and easy type feeding device |
| 10/30/2013 | CN203253858U Embedded air hammer |
| 10/17/2013 | DE102013002495A1 Cold forging device for working on surface of e.g. cylinder barrel of connecting rod in combustion engine during coating process, has operation volume performing activation of knocking element and in connection with knocking element |
| 10/09/2013 | CN203227783U Constant stroke hydraulic counter-blow hammer |
| 10/02/2013 | CN102387614B Preheating device and using method thereof and steam-air hammer using preheating device |
| 09/25/2013 | CN203209605U 电液锤手柄自锁装置 Electro-hydraulic hammer handle lock device |
| 09/18/2013 | CN203197179U Thin walled tube die-forging necking device and air hammer provided with same |
| 09/17/2013 | CA2584461C Method of making a seamless hot-finished steel pipe, and device for carrying out the method |
| 09/11/2013 | CN203184561U Noiseless hydraulic counterblow hammer |
| 09/11/2013 | CN103286249A Variable-speed circumferential low-stress bending fatigue crack precise blanking machine and blanking method thereof |
| 08/28/2013 | CN103264130A Air hammer with air replenished continuously |
| 08/14/2013 | CN102357634B Mechanical double energy storage impact mechanism and impact method |
| 07/31/2013 | EP2620235A1 Device for replacing peens in four-peen forging devices |
| 07/23/2013 | US8490459 Method and device for producing hollow profiled elements |
| 07/02/2013 | US8474299 Crimping tool |
| 06/26/2013 | CN203018662U Heavy forging hammer device with diesel pile hammer structure |
| 06/12/2013 | CN202984544U Precise rotary swaging machine |
| 06/06/2013 | CA2760923A1 Apparatus for texturing the surface of a brake plate |
| 06/05/2013 | CN202963339U Main impact valve for preventing top collision of numerical control hammer |
| 05/15/2013 | CN103100627A Air hammer changed into air-hydraulic hammer |
| 05/14/2013 | US8438895 Apparatuses for crimping and loading of intraluminal medical devices |
| 05/01/2013 | CN202910234U Cone valve type main valve structure |
| 04/25/2013 | WO2012177964A3 Tuyere remover |
| 04/24/2013 | CN102303084B Double-toggle rod type four-hammer forging device |
| 04/23/2013 | DE202013002473U1 Festklopfvorrichtung Hard rapper |
| 03/27/2013 | CN202824480U Manual and automatic integrated electro-hydraulic hammer control valve |
| 03/27/2013 | CN102989960A Double-cylinder hydraulic forging hammer |
| 03/27/2013 | CN102989959A Damping and denoising air hammer |
| 03/27/2013 | CN102554091B Large energy-saving water cooling air hammer |
| 03/21/2013 | US20130067977 Tool unit of a rotary swaging machine |
| 03/20/2013 | CN202804049U Rotary swager for producing magnesium metal bone material |
| 03/07/2013 | US20130055779 Tool unit of a rotary swaging machine |
| 02/20/2013 | EP2559510A1 Device for processing, in particular adiabatic separation of a workpiece |
| 02/19/2013 | US8375765 Method and device for controlling the synchronization of cylinder/piston units and for reducing pressure peaks during forming and/or fineblanking on a fineblanking or stamping press |
| 02/14/2013 | US20130036786 Forging apparatus |
| 02/13/2013 | EP2556906A1 Device for forging a hollow body |
| 02/13/2013 | EP2555888A1 Tool unit of a rotary kneading machine |
| 02/13/2013 | EP2555887A1 Tool unit of a rotary kneading machine |
| 02/13/2013 | CN202725912U Full hydraulic electro-hydraulic hammer |
| 02/13/2013 | CN202725911U Full-hydraulic electro-hydraulic hammer |
| 02/13/2013 | CN202725910U Side master control valve type full-hydraulic electro-hydraulic hammer |