| Patents for B21F 35 - Making springs from wire (1,103) |
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| 02/12/2014 | CN103567329A Elastic tail pressing device of hot coiling spring machine |
| 02/12/2014 | CN103567328A Spring gear starting machine |
| 02/06/2014 | US20140035211 Corrosion-resistant resilient member |
| 01/29/2014 | CN203409153U Spring cutter |
| 01/29/2014 | CN203409152U 弹簧生产线 Spring Production Line |
| 01/22/2014 | CN203401032U Diameter changing regulation control mechanism applied to compressed spring machine |
| 01/22/2014 | CN203401028U Annular cutting mechanism applied to spring forming machine |
| 01/22/2014 | CN103527689A Tension spring and manufacturing method thereof |
| 01/16/2014 | US20140015179 High Fatigue Arcuate Spring |
| 01/15/2014 | CN203390130U Coiling and quenching clamp of circular linear metal spring |
| 01/09/2014 | WO2014008466A2 High fatigue arcuate spring |
| 01/08/2014 | EP2682493A1 Spring and manufacturing method thereof |
| 01/08/2014 | CN103495682A Wire drawing and feeding rotating mechanism for spring forming and bending and forming device for automobile seat spring wire rods |
| 12/25/2013 | CN103471758A Tester for tension of steel wire and multi-steel wire spring processing system based on tester for tension of steel wire |
| 12/12/2013 | US20130330122 Canted coil springs with contoured wire shapes, related systems, and related methods |
| 12/11/2013 | CN203330314U Spring machine control system |
| 12/05/2013 | US20130318793 Positioning device for scanning a surface |
| 12/04/2013 | CN103418712A Spring processing die |
| 11/28/2013 | WO2013177351A1 System and method for making tapered looped suture |
| 11/27/2013 | CN203304458U Tool base moving mechanism of multi-station spring forming machine |
| 11/27/2013 | CN103415639A Spring and manufacturing method thereof |
| 11/20/2013 | CN203292392U Semi-automatic bending device for spiral line hooks |
| 10/23/2013 | CN203245314U Spring machine diameter changing mechanism |
| 10/09/2013 | EP2647449A1 Hollow coil spring and method for manufacturing same |
| 10/09/2013 | CN203227780U Special spring winder |
| 10/09/2013 | CN203227779U Spring correcting device with stable structure |
| 10/09/2013 | CN203227778U Simple spring correcting device |
| 10/09/2013 | CN103343203A Powerful pressing method and apparatus for disk spring |
| 10/09/2013 | CN103341576A Step-powered perpetual-motion electric power spring coiling machine and spring-making machine |
| 10/03/2013 | US20130255082 Device and a method for setting a spring to a controlled extent |
| 09/26/2013 | WO2013139566A1 Shaping machine having a transporting device |
| 09/19/2013 | DE102012204513B3 Verfahren und Vorrichtung zur Herstellung von Schraubenfedern durch Federwinden Method and apparatus for the production of coil springs by spring winds |
| 09/18/2013 | CN103302209A Method for processing torsion spring part with square head |
| 09/17/2013 | US8533954 Method for manufacturing a coil spring for vehicle suspension |
| 09/11/2013 | CN203184552U Novel sliding block device of precise spring machine |
| 09/04/2013 | CN103272972A Forcible treatment device and forcible treatment method for torsion springs |
| 08/28/2013 | CN203155905U Disc spring forced machine |
| 08/21/2013 | CN203140659U Multifunctional numerical control spring manufacturing mechanism |
| 08/14/2013 | DE102012104673B3 Werkzeug, System und Verfahren zum Verschrauben von Schraubendruckfedern zu einer Schraubentellerfeder Tool, system and method for the assembly of the compression coil springs to a coil spring plate |
| 08/14/2013 | CN103240369A Spring straightener stable in structure |
| 08/13/2013 | CA2484536C Stranded mattress spring |
| 07/31/2013 | CN203091632U Round steel grinding device |
| 07/31/2013 | CN203091631U Spring correcting platform |
| 07/31/2013 | CN203091617U Control system of automatic cutting machine and zigzag spring automatic cutting machine |
| 07/31/2013 | CN103228374A Hollow coil spring and method for manufacturing same |
| 07/25/2013 | DE112011102489T5 Verfahren zur Herstellung einer Feder sowie elektrische Heizeinrichtung A method of manufacturing a spring as well as electric heating means |
| 07/23/2013 | US8490285 Methods of making compression springs |
| 07/17/2013 | CN203061786U Wire breakage preventing device of spring machine |
| 07/17/2013 | CN203061785U Double-row double-tier spring vertical positioning device |
| 07/17/2013 | CN103203422A Full-automatic spring winding and cutting machine |
| 07/10/2013 | CN203044760U Swing type reducing mechanism of spring machine |
| 07/10/2013 | CN102284657B Core shaft locking device of spring forming device |
| 07/03/2013 | CN203030807U Compression spring pressing-merging machine |
| 07/03/2013 | CN101941037B Device for manufacturing disc-shaped spring fillet |
| 06/26/2013 | CN103170559A Method and device for adjusting and repairing spring |
| 06/12/2013 | CN202984538U Steel clamp for adjusting spring |
| 06/12/2013 | CN103154216A Lubricant composition for metal material plasticity processing, lubricating film and coated metal material provided therewith, and method for manufacturing coated metal material |
| 06/06/2013 | WO2012073786A9 Hollow coil spring and method for manufacturing same |
| 06/05/2013 | EP2599566A1 Apparatus for manufacturing coil spring |
| 06/05/2013 | CN202963330U Spring production line embedded with automatic head recognition device and paint coating device |
| 06/05/2013 | CN101856704B Spring production machine |
| 05/29/2013 | CN103121069A Arc-shaped spring forming machine |
| 05/23/2013 | US20130127100 Steel wire rod for high-strength spring excellent in wire drawability, manufacturing method therefor, and high-strength spring |
| 05/23/2013 | DE102011118787A1 Schraubenfederanordnung für einen Torsionsschwingungsdämpfer und Verfahren zur Herstellung eines Stützdrahtes für eine solche Schraubenfederanordnung Coil spring assembly for a torsional vibration damper and method of producing a support wire for such a coil spring assembly |
| 05/22/2013 | CN202943202U Spring detaching mechanism |
| 05/16/2013 | US20130119045 Method for producing spring, and electrical heating device |
| 05/15/2013 | CN202934060U Thermal forcible pressing machine embedded into painting device |
| 05/15/2013 | CN202934059U High-precision coiling machine |
| 05/15/2013 | CN202933818U Spring painting device |
| 05/14/2013 | US8438733 Method of manufacturing coil spring using helicoid reduction mill |
| 05/08/2013 | CN202921840U Small diameter spring screw pitch-determining adjustable apparatus |
| 05/08/2013 | CN202921839U Spring machine pitch fine adjustment mechanism |
| 05/08/2013 | CN202921838U Spring machine rotating core mechanism |
| 05/08/2013 | CN202921837U Spring machine knife holder slide block connection mechanism |
| 05/08/2013 | CN202921836U Six-spindle servo control spring coiling machine |
| 05/08/2013 | CN202921833U Spring machine wire feeding adjustment driving mechanism |
| 05/08/2013 | CN102189201B Elbow spring processing process |
| 05/02/2013 | US20130110205 Spring connector for implantable medical device |
| 05/01/2013 | CN103071740A Hook part forming machine of deformed spring |
| 04/25/2013 | US20130097866 Method of making compressible elastomeric spring |
| 04/24/2013 | CN103056252A Spring punch lug device |
| 04/17/2013 | CN202877456U Tool rest integrated spring coiling machine |
| 04/10/2013 | CN103037997A Apparatus for manufacturing coil spring |
| 04/10/2013 | CN103028679A Method for manufacturing non-deforming Simmons mattress spring core |
| 04/10/2013 | CN102233398B Central shaft cutting-off mechanism for eight-shaft spring forming machine |
| 04/10/2013 | CN102198480B High-accuracy numerical control eight-axle helical compression spring former |
| 04/03/2013 | CN202845666U Numerical control spring machine |
| 04/03/2013 | CN202845660U Spring machine clutch on-off automatic control mechanism |
| 04/03/2013 | CN202845659U Spring machine one-way clutch |
| 04/03/2013 | CN202845658U Spring machine feeding-off operating mechanism |
| 04/03/2013 | CN103025897A Method for manufacturing spring and device for heating by passage of electric current |
| 04/03/2013 | CN103014290A Stepped hot coiling spring resistance coiling heating furnace |
| 04/03/2013 | CN103008510A Pipeline system for manufacturing spring |
| 04/02/2013 | US8407897 Method of manufacturing a vibration isolator |
| 03/27/2013 | CN102989935A Swing type diameter changing mechanism of spring machine |
| 03/20/2013 | CN202804042U Compression spring full compressor |
| 03/20/2013 | CN202804041U 热卷弹簧节距整形器 Hot coil spring pitch shaper |
| 03/20/2013 | CN202804040U Hot rolling spring machine elastic tail pressing device |
| 03/20/2013 | CN202804039U Hot rolling spring machine tail pressing device |
| 03/20/2013 | CN202804038U Spring open file machine |