| Patents for B21F 35 - Making springs from wire (1,103) |
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| 04/11/2012 | CN102414470A 多层斜置式盘簧和相关方法 Multilayer inclined coil springs and related methods |
| 04/05/2012 | WO2012043087A1 Lubricant composition for metal material plasticity processing, lubricating film and coated metal material provided therewith, and method for manufacturing coated metal material |
| 04/04/2012 | CN202180164U 一种去毛刺的压簧生产装置 Spring plant a deburring |
| 03/21/2012 | CN102388232A Compression coil spring, and coil spring manufacturing device and manufacturing method |
| 03/21/2012 | CN102380563A Spring press |
| 03/14/2012 | CN202162316U 自动扭簧机钢丝输送跑道传动装置 Automatic torsion spring steel wire conveyor track gear |
| 03/08/2012 | WO2012030002A1 Auxiliary pocket spring for bed mattress and manufacturing method thereof |
| 03/08/2012 | US20120055023 Method for manufacturing a coil spring for vehicle suspension |
| 03/07/2012 | EP2425145A2 Multilayered canted coil springs and associated methods |
| 03/07/2012 | CN101941038B Computer numerical control constant force spring machine |
| 03/07/2012 | CN101716638B Spring machine wire feeding wheel and wire feeding mechanism |
| 03/01/2012 | US20120047741 Method of manufacturing coil spring using helicoid reduction mill |
| 02/15/2012 | CN102350473A Automatic torsion machine with heating device |
| 02/15/2012 | CN101898222B 小型多股簧数控加工机床 Small multi-strand spring CNC machine tools |
| 02/08/2012 | EP2416031A1 Compression coil spring, and coil spring manufacturing device and manufacturing method |
| 02/08/2012 | CN202137303U 弹簧机半圆心机构 Spring machine semicircle heart agencies |
| 02/08/2012 | CN202137302U 一种弹簧加工装置 One kind of spring-processing device |
| 02/08/2012 | CN102343409A High-speed computer numerical control spring coiling machine |
| 02/02/2012 | WO2012015009A1 Apparatus for manufacturing coil spring |
| 02/02/2012 | WO2012014672A1 Method for manufacturing spring and device for heating by passage of electric current |
| 01/24/2012 | US8099811 Multi-stranded coil spring |
| 01/12/2012 | US20120008468 Hairspring for timepiece hairspring-balance oscillator, and method of manufacture thereof |
| 01/11/2012 | CN202105950U Chain type transmission one-piece spring fabricating machine |
| 01/10/2012 | US8091398 Apparatus and method for the manufacture of a spring unit |
| 12/21/2011 | CN102284657A 弹簧成型设备芯轴锁紧装置 Spring forming machine spindle locking device |
| 12/14/2011 | CN102274911A 张紧轮扭簧加工工艺 Tensioner torsion process |
| 12/14/2011 | CN102274910A 弹簧动压装置 Spring dynamic pressure device |
| 12/08/2011 | DE102010014385B4 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 |
| 12/07/2011 | CN202062028U 改进型多绕制机床网弹簧生产装置 Machine made much improved net plant spring wound |
| 12/07/2011 | CN102266899A 压簧机的切刀机构 Spring machine cutter mechanism |
| 12/06/2011 | US8069881 Spring and spring processing method |
| 12/01/2011 | WO2011147056A1 Wire winding mechanism capable of making spring wire material ends automatically rotate |
| 11/24/2011 | DE102010022182A1 Verfahren zur Herstellung einer Feder für eine Unterbewicklung einer Mangelwalze, eine Unterbewicklung und eine Feder A method for preparing a spring for a Unterbewicklung a mangle roller, a Unterbewicklung and a spring |
| 11/23/2011 | CN202045307U Spindle locking device for spring forming equipment |
| 11/23/2011 | CN102248098A Chain-driven jointed spring making machine |
| 11/23/2011 | CN102248097A Compression spring processing process |
| 11/16/2011 | CN102241387A Automatic production system of bag spring |
| 11/16/2011 | CN101716640B Spring machine clamping system |
| 11/09/2011 | CN102233399A Method and apparatus for production of helical springs by spring winding |
| 11/09/2011 | CN102233398A Central shaft cutting-off mechanism for eight-shaft spring forming machine |
| 10/20/2011 | DE102010015389A1 Federdraht, Feder damit und Herstellungsverfahren dafür Spring wire, spring and thus production method thereof |
| 10/19/2011 | CN102223963A Apparatus and method for producing springs |
| 10/13/2011 | US20110247717 Device for producing a loop on one end of a coil spring |
| 10/13/2011 | US20110247213 Methods for manufacturing coil springs |
| 10/12/2011 | EP2374551A1 Method and device for producing coil springs by means of coiling machines |
| 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 |
| 09/28/2011 | CN102198480A High-accuracy numerical control eight-axle helical compression spring former |
| 09/22/2011 | US20110226380 Apparatus and Method for Producing Springs |
| 09/21/2011 | CN201979025U 一种双送料悬架弹簧卷簧制作装置 A dual feed coil spring suspension spring making device |
| 09/21/2011 | CN102189201A Elbow spring processing process |
| 09/21/2011 | CN102189200A Automatic spring coiling machine |
| 09/14/2011 | CN102179462A Multi-axis universal spring coiling machine |
| 09/07/2011 | CN201960064U 一种压力可调的弹簧钢丝夹具 A pressure adjustable spring steel clamps |
| 09/07/2011 | CN102172746A Multifunctional serpentine spring production device |
| 08/31/2011 | EP2121212B1 Two-layer or multiple-layer compression spring |
| 08/31/2011 | CN102166608A Method for processing III-group disc spring |
| 08/24/2011 | CN201940515U 一种平面涡卷弹簧半自动成形机 A flat spiral spring semi-automatic molding machine |
| 08/17/2011 | CN201931033U 弹簧成型机的抵推单元 Pushing the spring abutment means forming machine |
| 08/10/2011 | CN101596569B Spring processing device and method |
| 08/04/2011 | US20110187035 Compression spring assembly and method |
| 08/03/2011 | EP2349605A1 Apparatus and method for producing springs |
| 07/13/2011 | CN102120248A Spring polishing and atomizing device |
| 07/07/2011 | US20110163487 Linear filament compression and torsion spring |
| 06/30/2011 | US20110156328 Integral retainer to retain a spring |
| 06/29/2011 | CN201884587U Overload protection device of coiling machine mobile core cutter holder |
| 06/22/2011 | CN201871653U Raw material steel wire bracket of spring machining machine |
| 06/16/2011 | DE102010014353B3 Device for producing loop at end of coil spring, has correlated steel moving in machining position of gripping device over end coil section of spring, where end coil section of spring protrudes via gripping jaws |
| 06/15/2011 | CN101633027B Digital control processing lathe of multi-strand springs |
| 06/07/2011 | US7954349 Method and apparatus for creating stacks of nested sinuous springs |
| 06/01/2011 | CN201848495U Coiled spring intensified twisting setting machine |
| 06/01/2011 | CN201848494U Spring light atomization treatment device |
| 05/26/2011 | US20110124243 Flat plate folding type coil spring, pogo pin using the same, and manufacturing method thereof |
| 05/25/2011 | CN201841227U Numerical control torsion spring device |
| 05/25/2011 | CN102069136A Numerically controlled complete equipment for manufacturing deformed springs and torsion springs |
| 05/25/2011 | CN102069135A Flat spiral spring presetting molding machine |
| 05/18/2011 | EP2322819A1 Spring element and method for manufacturing a spring element |
| 05/18/2011 | CN201832937U Serpentine spring stretch shaping machine |
| 05/18/2011 | CN201832936U Locomotive deformed spring hook die |
| 05/18/2011 | CN201832929U Automatic machine for hourglass-shaped spring |
| 05/18/2011 | CN102059305A Abutting apparatus of spring configuration machine |
| 05/11/2011 | CN101505889B Method to provide initial tension for coil spring and its application |
| 05/05/2011 | WO2011052051A1 Wire spring forming device |
| 05/05/2011 | US20110099812 Pocketed spring units |
| 04/27/2011 | CN201807688U Tension spring forming die |
| 04/27/2011 | CN201807687U Computer numerical control constant force spring machine |
| 04/27/2011 | CN201807686U Feeding wheel transmission gearbox for spring machine |
| 04/14/2011 | US20110083325 Method of Manufacturing a Nickel Titanium Coil Actuator |
| 04/13/2011 | CN201791879U Roll bending machine for serpentine spring |
| 04/13/2011 | CN201791878U Serpentine spring cutting head die |
| 04/12/2011 | US7921561 Bedding or seating product made with coil springs having unknotted end turns with bumps |
| 04/12/2011 | CA2658569C Device and method for forming end of coiled spring |
| 04/06/2011 | CN102006948A Method of manufacturing coil spring using helicoid reduction mill |
| 03/31/2011 | WO2010129293A3 Multilayered canted coil springs and associated methods |
| 03/30/2011 | CN201776377U Regulating mechanism for engagement clearance between gears of box body of numerically-controlled spring coiling machine |
| 03/23/2011 | CN201768856U Slideway device of movable core knife base of spring machine |
| 03/23/2011 | CN201768853U Clamping device of coiling machine movable core cutter base |
| 03/17/2011 | US20110062640 Variable canted coil spring cross section |
| 03/16/2011 | CN201760542U Contact-type flat spiral spring forming machine |
| 03/16/2011 | CN201760541U Spring suppression forming device |
| 02/17/2011 | US20110038574 Axial bearing for a shaft, particularly for the shaft of a water turbine |