| Patents for B21F 3 - Coiling wire into particular forms (1,688) |
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| 10/06/2011 | US20110239719 Method and apparatus for production of helical springs by spring winding |
| 10/06/2011 | DE102010014386A1 Verfahren und Vorrichtung zur Herstellung von Schraubenfedern durch Federwinden Method and apparatus for the production of coil springs by spring winds |
| 10/06/2011 | DE102010014385A1 Verfahren und Vorrichtung zur Herstellung von Schraubenfedern durch Federwinden, sowie Federwindemaschine Method and apparatus for the production of coil springs by spring winds and spring coiling machine |
| 10/06/2011 | DE102010010895B3 Verfahren zur Herstellung von Schraubenfedern durch Federwinden, sowie Federwindemaschine A process for the production of coil springs by spring winding and spring winding machine |
| 10/05/2011 | CN201997643U Steel wire boxing winding device for winding multi-stranded wire springs |
| 10/05/2011 | CN201997642U Electric plate winding machine |
| 10/05/2011 | CN102205563A Spiral waveform cutting metal wire as well as manufacturing method and equipment thereof |
| 10/05/2011 | CN101780511B Method and device for producing spring bed core full-automatically |
| 09/21/2011 | CN102189201A Elbow spring processing process |
| 09/14/2011 | CN102179462A Multi-axis universal spring coiling machine |
| 09/13/2011 | US8015850 Spring manufacturing machine |
| 09/08/2011 | US20110214776 Cable tray |
| 09/08/2011 | US20110214467 Method and apparatus for production of helical springs by spring winding |
| 09/07/2011 | CN102172743A Core cutter structure of spring coiling machine |
| 09/01/2011 | US20110209514 Method and equipment for making a spring |
| 08/31/2011 | CN201950145U 卷簧机的弹簧圈径伺服控制装置 Spring coiling machine coil diameter servo control device |
| 08/30/2011 | US8006723 Conductor loop-forming tool |
| 08/30/2011 | US8006529 Methods for manufacturing coil springs |
| 08/17/2011 | CN201931033U 弹簧成型机的抵推单元 Pushing the spring abutment means forming machine |
| 08/17/2011 | CN102159336A Bending apparatus and bending machine |
| 08/17/2011 | CN102151771A Spring ring diameter servo control device of spring coiling machine |
| 08/10/2011 | CN101596569B Spring processing device and method |
| 07/20/2011 | CN201900203U Double-wire tube forming device |
| 07/07/2011 | WO2011079903A1 Method and device for producing coils from wires |
| 07/07/2011 | US20110164940 Improved self-locking nut |
| 07/07/2011 | DE102009060743A1 Verfahren und Vorrichtung zum Herstellen von Wendeln aus Drähten Method and apparatus for producing coils from wires |
| 07/06/2011 | CN201889741U Spiral lead winding device |
| 07/06/2011 | CN201889376U Multifunction winding and molding part of stirrup molding machine |
| 06/30/2011 | US20110158769 Tanged screw thread insert with improved removability |
| 06/29/2011 | CN201880832U Spring forming machine |
| 06/29/2011 | CN201880827U Spiral hoop-bending machine |
| 06/29/2011 | CN102107254A Manufacturing process for metal felt sealing member and dedicated press forming die |
| 06/29/2011 | CN102107252A Double-wire tube forming device |
| 06/15/2011 | CN201862716U Processing equipment of small-sized disc steel reinforcing bar ring |
| 06/15/2011 | CN102091747A Spring winding machine |
| 06/08/2011 | CN201858274U Automatic clutch of stirrup molding machine |
| 06/08/2011 | CN201855900U Automatic handle winding machine for processing acupuncture needle |
| 06/08/2011 | CN201855899U Automatic winding machine |
| 06/08/2011 | CN201855898U Axial fixing mechanism for gear shaft of box bodies of numerical control spring coiling machine |
| 06/03/2011 | WO2011065625A1 Apparatus for manufacturing a pigtail for a coil spring |
| 06/01/2011 | DE102004021776B4 Vorrichtung und Verfahren zur Bildung von Wendeln aus einem Faden Apparatus and method for forming coils of a thread |
| 05/25/2011 | EP2324940A1 Abutting apparatus of a spring manufacturing machine |
| 05/25/2011 | CN201841227U Numerical control torsion spring device |
| 05/18/2011 | CN201832929U Automatic machine for hourglass-shaped spring |
| 05/18/2011 | CN201832928U Device for winding copper pipe coil |
| 05/18/2011 | CN201832927U Spring outer diameter control device of numerical control spring coiling machine |
| 05/18/2011 | CN102059305A Abutting apparatus of spring configuration machine |
| 05/11/2011 | CN201823847U Electric quantitative wire winder |
| 05/05/2011 | WO2011052051A1 Wire spring forming device |
| 05/04/2011 | CN201815608U Reinforcing steel bar winding device |
| 04/27/2011 | CN201807683U Box body gear fixing structure of numerical control spring coiling machine |
| 04/20/2011 | CN102022447A Automatic clutch of stirrup moulding machine |
| 04/20/2011 | CN101292405B Cable hanger production system and production method |
| 04/13/2011 | EP2307278A1 Device for the disposal of residual wire |
| 04/13/2011 | CN201791871U Forming machine for steel wire corrugated hoses |
| 04/13/2011 | CN102009109A Manufacturing method of large torsion spring |
| 04/13/2011 | CN101633025B Diameter changing mechanism of numerical control pressure spring machine |
| 04/07/2011 | WO2010141524A3 Viking knit hand tool |
| 04/07/2011 | DE102009048160A1 Einformbarer Drahtgewindeeinsatz, Verfahren zu seiner Herstellung, Bauteil mit einformbarem Drahtgewindeeinsatz sowie ein Verfahren zu seiner Herstellung Einformbarer wire thread insert, process for its production, component with einformbarem wire thread insert as well as a process for its preparation |
| 04/05/2011 | US7918119 Method of controlling the speed of a laying head in a rolling mill |
| 03/31/2011 | WO2010129293A3 Multilayered canted coil springs and associated methods |
| 03/30/2011 | CN101644366B Method for smelting inner layer plastic and outer layer plastic of spring extension tube |
| 03/30/2011 | CN101422804B Torsion machine |
| 03/29/2011 | US7915990 Wiring assembly and method for positioning conductor in a channel having a flat surface portion |
| 03/24/2011 | US20110068523 Longitudinal canted coil spring contacts to facilitate assembly |
| 03/24/2011 | US20110067471 Method and Apparatus for Creating Formed Elements Used to Make Wound Stents |
| 03/16/2011 | CN201760535U Automatic tension adjusting device of forming wires for producing FRP (Fiber Reinforced Plastic) bars |
| 03/16/2011 | CN101985147A Multifunctional winding forming component of stirrup forming machine |
| 03/16/2011 | CN101691896B Spring extension tube processing equipment with ultrasonic wave welding device |
| 03/02/2011 | CN201752746U NC (numerical control) cold/hot spring coiling machine |
| 02/16/2011 | CN101972826A Automatic winding machine |
| 02/10/2011 | US20110030834 multi-layered corrugated tubular article |
| 02/09/2011 | CN201735711U Multilateral spiral stirrup rigid-flexible extrusion winding and forming device for building |
| 02/09/2011 | CN1863617B Methods and equipment for manufacturing coil springs and equipment for feeding multi-strand wires |
| 02/02/2011 | CN101961762A Spring forming device |
| 02/01/2011 | US7880578 Conductor assembly including a flared aperture region |
| 01/27/2011 | US20110016940 Device and process for forming rolled bar bundles |
| 01/26/2011 | CN101954434A Square mattress spring processor |
| 01/20/2011 | DE102010017462A1 Drahtformungsvorrichtung Wire forming device |
| 01/19/2011 | EP2274116A1 Shaping station of a wire shaping machine with annular tool holder arm |
| 01/19/2011 | CN201716568U Numerical control metal hose machine and rotation speed control system thereof |
| 01/19/2011 | CN201711457U Spring bracket |
| 01/19/2011 | CN101947615A Device for rigid-flexible extruding and winding moulding of multilateral spiral stirrup for construction |
| 01/19/2011 | CN101559463B Intelligent computerized numerical control (CNC) spring machine |
| 01/19/2011 | CN101543947B Method for manufacturing spring of derrick centralizer |
| 01/18/2011 | US7872559 Winding method and coil unit |
| 01/13/2011 | US20110005633 Wire forming apparatus |
| 01/11/2011 | US7868726 Winding method and coil unit |
| 01/05/2011 | CN101644365B Spring telescopic tube processing equipment provided with induction heating fusion device |
| 01/05/2011 | CN101644364B Spring telescopic tube processing equipment provided with electrical heating fusion device |
| 12/29/2010 | CN201684868U Spring material clamping device of cored spring coiling machine |
| 12/29/2010 | CN201684867U Spring connecting frame |
| 12/29/2010 | CN101564812B Spiral hoop reinforcement manufacturing machine |
| 12/23/2010 | US20100319802 Linked coil formation device and method of forming linked coils |
| 12/09/2010 | WO2010141524A2 Viking knit hand tool |
| 12/09/2010 | CA2764463A1 Viking knit hand tool |
| 12/08/2010 | CN101288894B Spiral square hoop forming apparatus and its forming method |
| 12/01/2010 | EP2255902A2 Cutting system for wire working machines |
| 11/25/2010 | US20100294392 Conductor Loop-Forming Tool |
| 11/24/2010 | CN201644674U Spring coiling machine of hot coiling springs |