| Patents for B21F 3 - Coiling wire into particular forms (1,688) |
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| 05/19/2004 | DE10315419B3 Production of screw springs or stabilizers made from steel comprises comparing the heating temperature over the rod lengths and maintaining between the rollers |
| 04/27/2004 | US6726568 Coil shaft and method for fabricating same |
| 04/22/2004 | DE10342451A1 Vorrichtung zur Federherstellung und daran befestigtes Antriebskraftübertragungsbauteil Apparatus for spring manufacturing and attached thereto driving force transmission member |
| 04/08/2004 | US20040065130 Spring manufacturing appatarus and driving force transmitting component mounted on the apparatus |
| 03/10/2004 | CN2605939Y Device for machining unjucted springs |
| 03/09/2004 | US6701765 Spring manufacturing apparatus |
| 03/04/2004 | WO2003029111A3 Conveyance system for interface with component production and assembly equipment |
| 02/24/2004 | CA2185526C Apparatus for manufacturing mattresses and box springs |
| 02/18/2004 | CN1476360A Coil and coil-head formation dies coils with non-conventional terminal convolutions |
| 02/17/2004 | US6692521 Stent |
| 02/10/2004 | US6688457 Conveyance system for interface with component production and assembly equipment |
| 02/05/2004 | DE19736478B4 Vorrichtung zum Winden von Federn aus Draht An apparatus for winding springs from wire |
| 01/29/2004 | WO2004009265A1 Method and apparatus for manufacturing spring assemblies |
| 01/27/2004 | US6681809 Device for bending an extremity of a torsional spring |
| 01/14/2004 | CN1467145A Automatic rolling machine for heater |
| 01/14/2004 | CN1467045A Method of manufacturing a coil spring having an oblique and straight axial line |
| 01/07/2004 | EP1378211A1 Stent |
| 01/07/2004 | EP1378210A1 Stent |
| 01/02/2004 | EP1372882A1 Cold head stamped fastener inserts including selectively removable tangs |
| 01/01/2004 | US20040000180 Method of manufacturing a coil spring having an oblique and straight axial line |
| 12/23/2003 | US6666881 Method of heating a nitinol stent |
| 11/26/2003 | CN1129152C Method for achieving windings in radial layers |
| 11/18/2003 | US6648996 Method and apparatus for producing a helical spring |
| 11/04/2003 | US6640836 Coil and coil head formation dies for coils with non-conventional terminal convolutions |
| 10/22/2003 | CN2581091Y Rolling rotating shaper for screw steel fibre |
| 10/16/2003 | US20030192359 Feeding and curling device for spring making machines |
| 10/15/2003 | CN2579551Y Bending device for iron art flower element |
| 10/09/2003 | US20030190217 Cold head stamped fastener inserts including selectively removable tangs |
| 10/08/2003 | EP1350581A2 Device for the forming of wire, in particular a spring winding and bending machine |
| 09/18/2003 | US20030172531 Method of manufacturing flat wire coil springs to improve fatigue life and avoid blue brittleness |
| 09/18/2003 | DE10215047C1 Spring winding and bending machine includes reciprocating transfer unit holding pre-formed spring end in alignment with feedwire axis |
| 09/17/2003 | CN1442249A Wire spring shaping apparatus |
| 09/04/2003 | US20030164019 Wire spring forming apparatus |
| 09/03/2003 | EP1340561A1 Wire spring forming apparatus |
| 08/28/2003 | US20030159486 Coil forming system having an expandable mandrel |
| 08/28/2003 | US20030159485 System for producing spring coils with two reduced diameter end sections |
| 08/27/2003 | EP1338357A2 Method and apparatus for producing a helical spring |
| 08/27/2003 | EP1337357A1 Coil and coil-head formation dies for coils with non-conventional terminal convolutions |
| 08/21/2003 | US20030158620 Method and apparatus for producing a helical spring |
| 08/20/2003 | EP1068147B1 Apparatus for the production of pocketed coil springs |
| 08/20/2003 | CN1436618A Making plant for producing connected spring |
| 08/13/2003 | CN2565786Y Heater automatic winding machine |
| 07/30/2003 | EP1330615A1 Ball screw |
| 07/16/2003 | CN1429670A Hinge head bearing for ofsetting preload |
| 07/01/2003 | US6584823 Two wire spring making machine and method |
| 06/26/2003 | WO2003051556A1 Two wire spring making machine and method |
| 06/26/2003 | US20030115928 Device for bending an extremity of a torsional spring |
| 06/25/2003 | CN1425544A Screw roll fixed pitch stretching device |
| 06/19/2003 | US20030114916 Stent |
| 06/19/2003 | US20030113050 Laying head bearing with offset preloading |
| 06/19/2003 | US20030113049 Laying head bearing with offset preloading |
| 06/18/2003 | EP1319851A2 Laying head bearing with offset preloading |
| 06/11/2003 | CN1423508A Electric coil winding manufacture method and apparatus |
| 06/03/2003 | US6571591 Spring manufacturing apparatus and wire guide used for the same |
| 05/29/2003 | US20030098380 Winding fabrication method and apparatus for electric coils |
| 05/14/2003 | CN2550090Y Winder for steel-plastic composite steel wire |
| 05/13/2003 | US6561913 Cold head stamped fastener inserts including selectively removable tangs |
| 05/07/2003 | EP1307149A2 Method of making vaso-occlusive coils |
| 05/07/2003 | EP1062722B1 Method and device for producing a wave winding for stators or rotors of electric engines |
| 05/01/2003 | WO2003035302A1 Multiple wire feed for spring coiling machine and method |
| 04/24/2003 | WO2003033190A1 Coil and coil-head formation dies for coils with non-conventional terminal convolutions |
| 04/24/2003 | US20030074944 Multiple wire feed for spring coiling machine and method |
| 04/22/2003 | US6550301 Method for producing an inclined helical spring |
| 04/10/2003 | WO2003029111A2 Conveyance system for interface with component production and assembly equipment |
| 03/26/2003 | CN2541082Y Mould for forming drum coil |
| 03/26/2003 | CN1404931A Milling-rotating formation machine for spiral steel fiber |
| 03/25/2003 | US6536483 Large wire loop filters and mechanical dampers |
| 02/19/2003 | EP0703761B1 Stent |
| 02/04/2003 | US6514285 Stent |
| 01/07/2003 | US6502606 Guidewire |
| 12/26/2002 | US20020194893 Coil spring forming machine |
| 12/18/2002 | CN2526101Y Double head machine for coiling wire |
| 12/11/2002 | EP1060041B1 Spring winding automatic machine |
| 11/28/2002 | WO2002094473A1 Device for bending an extremity of a torsional spring |
| 11/28/2002 | US20020174907 Large wire loop filters and mechanical dampers |
| 11/12/2002 | US6477762 Method and device for producing a wave winding for stators or rotors of electric engines |
| 10/30/2002 | CN2518617Y Punching and winding type automatic spring machine |
| 10/29/2002 | US6470725 Method of continuously and controlledly varying the initial stress of springs during their production and a machine for carrying out such a method |
| 10/24/2002 | WO2002083336A1 Method and apparatus of making spiral springs |
| 10/17/2002 | US20020148267 Spring manufacturing device |
| 10/03/2002 | WO2002076651A1 Cold head stamped fastener inserts including selectively removable tangs |
| 10/03/2002 | US20020139645 Conveyance system for interface with component production and assembly equipment |
| 09/26/2002 | US20020136615 Cold head stamped fastener inserts including selectively removable tangs |
| 09/12/2002 | DE10134828A1 Federherstellvorrichtung Federherstellvorrichtung |
| 09/12/2002 | DE10134826A1 Federherstellvorrichtung und in dieser verwendete Drahtführung Federherstellvorrichtung and used in this wire guide |
| 08/21/2002 | CN2506374Y Two-position electric steel bar hooping machine |
| 08/15/2002 | US20020108420 Spring manufacturing apparatus |
| 08/15/2002 | US20020108419 Spring manufacturing apparatus and wire guide used for the same |
| 08/13/2002 | US6430982 Coil spring forming and conveying assembly |
| 08/08/2002 | US20020104353 Two wire spring making machine and method |
| 07/23/2002 | US6422271 Apparatus and method for making clamp rings |
| 07/04/2002 | WO2002026410A3 Method to fabricate continuous lengths of helical coil shaped memory wire |
| 07/03/2002 | CN2497900Y Eccentric winding direct transmission spiral winder without belt transmission |
| 06/25/2002 | US6409160 Methods of manufacturing coils and apparatus for same |
| 06/20/2002 | US20020074051 Guidewire |
| 06/06/2002 | WO2002013708A3 Method of making vaso-occlusive coils |
| 05/28/2002 | US6393888 Spring winding device, particularly for spring winding machines |
| 05/07/2002 | US6382607 Methods of manufacturing coils and apparatus for same |
| 05/02/2002 | WO2002035118A1 Ball screw |
| 04/30/2002 | US6378854 Methods for manufacturing coils and apparatus for same |