| Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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| 09/15/2009 | US7587920 Hydro forming apparatus for making U-shaped products |
| 09/10/2009 | US20090223267 Universal degree stop pipe hand bender |
| 09/09/2009 | CN201304433Y Cold-bending device of pipeline |
| 09/09/2009 | CN201304432Y An electric heating tube bending machine head and a bending machine |
| 09/09/2009 | CN201304431Y Low-emissivity hollow glass aluminum spacing frame bender |
| 09/09/2009 | CN101528375A Tool for pipe bending and former for use in such a tool |
| 09/08/2009 | US7584637 Bending apparatus and method of bending a metal object |
| 09/08/2009 | CA2467366C Tube bending machine and its right and/or left bending device |
| 09/03/2009 | US20090217732 Tube-bending plier |
| 09/03/2009 | US20090217726 Vertical air compliant hemming head |
| 09/02/2009 | CN201300163Y U-shaped high pressure fuel pipe bending tool device |
| 09/02/2009 | CN201300162Y V-shaped high pressure fuel pipe bending tool device |
| 09/02/2009 | CN201300161Y Bending device for small fillet spacing frame of hollow glass |
| 09/02/2009 | CN101518802A Stretch-bending forming die and forming method |
| 08/27/2009 | DE102006018688B4 Verfahren zum Biegen von Multiportrohren für Wärmeübertrager The method of bending the multi-port tubes for heat exchangers |
| 08/26/2009 | CN201296039Y Pipe bender |
| 08/26/2009 | CN100531950C Pipe bender |
| 08/20/2009 | WO2009101649A2 Method to check and control a roller bending machine for continuously bending an elongated workpiece at variable curvature radii, and machine so controlled |
| 08/20/2009 | CA2714664A1 Method to check and control a roller bending machine for continuously bending an elongated workpiece at variable curvature radii, and machine so controlled |
| 08/19/2009 | EP2090382A2 Method for cold-bending of pipes and the like |
| 08/19/2009 | EP1863604B1 Device for the free forming and bending of longitudinal profiles, particularly pipes, and a combined device for free forming and bending as well as draw-bending longitudinal profiles, particularly pipes |
| 08/19/2009 | CA2654803A1 Improved slide lock |
| 08/12/2009 | CN201288800Y Reducing gear and reversing arrangement of bending machine |
| 08/12/2009 | CN201287167Y Bending forming die special for bending channel beam |
| 08/12/2009 | CN201287161Y Art purlin roll-bending machine for spherical shell network frame support |
| 08/12/2009 | CN201287160Y Hand-power pipe bender |
| 08/12/2009 | CN100525946C A coiling wire mould for making tube with various outer diameter |
| 08/11/2009 | CA2533347C Bending device for bending machine |
| 08/06/2009 | WO2009096024A1 Bending device |
| 08/06/2009 | WO2009095174A1 Process and device for bending round tubes and profiles |
| 08/06/2009 | DE102005058168B4 Gleitschiene für eine Biegemaschine Slide for a bending machine |
| 08/05/2009 | CN201283380Y Device for bending U-shaped continuous section bar |
| 08/05/2009 | CN101500723A Hand-held, portable, battery-powered hydraulic tool |
| 08/05/2009 | CN101497081A Technique for processing fire poker |
| 08/05/2009 | CN100522692C Method for manufacturing headrest stay |
| 07/30/2009 | US20090188291 Powered conduit bender |
| 07/30/2009 | DE102008006293A1 Verfahren und Vorrichtung zum Biegen von Rundrohren und Profilen Method and apparatus for bending round pipes and profiles |
| 07/29/2009 | CN201279539Y Pushing device in pipe bender |
| 07/29/2009 | CN101491818A Aluminum section bending device and method into small-radius arc |
| 07/22/2009 | CN201275565Y Simple round steel simmer bending machine |
| 07/21/2009 | CA2394138C Sweep forming assembly and method |
| 07/16/2009 | WO2009087297A1 Machine for bending a profile in two bending directions and bending tool |
| 07/16/2009 | US20090178453 Bending apparatus and method of bending a metal object |
| 07/15/2009 | CN101480673A Electric heating tube bending handpiece and bending machine |
| 07/09/2009 | WO2009083770A1 Method for bending pipes |
| 07/09/2009 | WO2009083609A2 Method for bending a workpiece |
| 07/09/2009 | CA2711383A1 Method for bending pipes |
| 07/08/2009 | EP2076340A1 Tool for pipe bending and former for use in such a tool |
| 07/08/2009 | CN201267841Y Closed pull rod device of pipe bender |
| 07/08/2009 | CN101474651A Integrated pipe bender |
| 07/08/2009 | CN100509195C High accuracy curvature control device and method |
| 07/02/2009 | WO2009080348A1 Method of manufacturing a member of a wheelchair frame, tool for use in such a method and wheelchair frame |
| 07/01/2009 | CN101468366A Method and device for controlling flatness of steel material |
| 07/01/2009 | CN100506419C Device for the free forming and bending of longitudinal profiles, particularly pipes, and a combined device for free forming and bending as well as draw-bending longitudinal profiles, particularly pip |
| 06/24/2009 | EP2072159A1 Bending device, especially for tube-shaped components |
| 06/24/2009 | EP2072158A1 Method for bending tubular articles with a relative ratio of the bending radius and the outer diameter of the finished pipe which is less than 3. |
| 06/24/2009 | CN201261036Y Instability-proof component of pipe bender top-pushing device |
| 06/24/2009 | CN201261035Y Simple bending machine |
| 06/24/2009 | CN201261034Y Multifunctional simmer bending machine |
| 06/24/2009 | CN101462130A Method for bending tubular articles with a relative ratio of the bending radius and the outer diameter of the finished pipe which is less than 3 |
| 06/24/2009 | CN100503071C Rotating mechanism of pipe bending machine |
| 06/24/2009 | CN100503070C Bending device for bending machine |
| 06/23/2009 | US7549310 Mandrel assembly for manufacturing tubular products |
| 06/17/2009 | CN201257466Y Auxiliary forming device for cold-bending forming empty curving forming |
| 06/17/2009 | CN201257465Y Sectional steel cold-bending machine |
| 06/17/2009 | CN201257464Y Novel heavy rail pre-bending head |
| 06/17/2009 | CN101456043A Pipe bender with mandrel driving mechanism |
| 06/11/2009 | WO2009072918A1 Machine for bending aluminum profiles |
| 06/10/2009 | DE102007056827B3 Controller und vollautomatisches Biegesystem für Biegemaschinen Controller and fully automatic bending system for bending machines |
| 06/10/2009 | CN201253652Y Pipe bender capable of preventing pipe from collapsed and saving pipes |
| 06/10/2009 | CN201253651Y 手动弯管装置 Manual bending device |
| 06/10/2009 | CN201253650Y Portable combined bus-bar bending device |
| 06/10/2009 | CN101450356A Manufacture method of high-intensity hot bend pipe |
| 06/10/2009 | CN100496790C Device for clamping four link type serpentuator of small-radius pipe bender |
| 06/10/2009 | CN100496789C Automatic speed following and pressure curve setting pushing system for pipe with small bending radius |
| 06/04/2009 | US20090139293 Hemming method and hemming apparatus |
| 06/03/2009 | CN201249226Y Pipe jam-packed locating device of pipe bender |
| 06/03/2009 | CN201249225Y Clamp head locking device of pipe bender |
| 06/03/2009 | CN201249224Y Mine-used U-form steel support rolling forming repair machine |
| 06/03/2009 | CN201249223Y Oil pressure jack type bender |
| 06/03/2009 | CN201249222Y Draw-arm rack locking device of pipe bender |
| 05/27/2009 | CN201244614Y Multi-angle pipe bender |
| 05/27/2009 | CN201244613Y Flange manufacturing machine |
| 05/27/2009 | CN201244612Y Numerical control steel bar bending machine |
| 05/27/2009 | CN101439374A Rotatable support roller device |
| 05/27/2009 | CN101439373A Method for improving material utilization in cold bending machining of rib |
| 05/27/2009 | CN101439372A Lateral bending mold of channel steel for section bending machine |
| 05/26/2009 | US7536896 Pliers |
| 05/26/2009 | US7536892 Method and apparatus for forming sheet metal |
| 05/26/2009 | US7536890 Acute angle metal stock bender |
| 05/21/2009 | US20090126441 Device for the Free Forming and Bending of Longitudinal Profiles, Particularly Pipes, and a Combined Device for Free Forming and Bending As Well As Draw-Bending Longitudinal Profiles, Particularly Pipes |
| 05/21/2009 | US20090126440 Device and method for producing profiled bodies |
| 05/21/2009 | US20090126438 Device for bending tubes or profiled sections with symmetrical structure for two-way bending and machine equipped with same |
| 05/20/2009 | CN201239756Y Pipe bender |
| 05/20/2009 | CN101433928A Thermoforming machine and method for bending workpiece thereof |
| 05/20/2009 | CN101433926A Device for bending iron pipeline |
| 05/20/2009 | CN100488654C System for displaying speed and position of side-push following main elbow die of pipe bender |
| 05/13/2009 | EP2056978A1 Tool for bending a pipe |
| 05/13/2009 | CN201235381Y Mechanical bend pipe space angle bending mould |
| 05/13/2009 | CN201235378Y Arcuated member bend molding apparatus |