| Patents for B21H 3 - Making helical bodies or bodies having parts of helical shape (2,057) |
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| 08/09/2011 | CA2678501C Method of forming a threaded fastener with dual reinforcing leads |
| 08/04/2011 | US20110188964 Magnesium Screw Manufacturing Method and Magnesium Screw Member Produced Thereof |
| 07/28/2011 | WO2011089742A1 Metallic glass fastening screw |
| 07/28/2011 | WO2011089498A1 Ejection device for a threading machine |
| 07/28/2011 | US20110183766 Method for manufacturing a bolting part, tool for implementing the method, and device for tightening and loosening such a bolting part |
| 07/28/2011 | US20110183573 Method of manufacturing metal shell assembly for spark plug, method of manufacturing spark plug, and apparatus for manufacturing metal shell assembly for spark plug |
| 07/28/2011 | DE102010000083A1 Verfahren und Walzbacken zur Herstellung einer Schraube Processes and dies to manufacture a screw |
| 07/21/2011 | WO2011086000A1 Method and rolling die for producing a screw |
| 07/21/2011 | WO2011085999A1 Method and rolling die for producing a screw having a variable thread pitch |
| 07/21/2011 | DE102010000084A1 Verfahren und Mittel zur Herstellung einer Schraube mit veränderlicher Gewindesteigung Method and means for producing a screw variable-pitch |
| 07/21/2011 | CA2786926A1 Method and rolling die for producing a screw |
| 07/21/2011 | CA2786923A1 Method and means for manufacturing a screw with a variable thread pitch |
| 07/20/2011 | EP2345492A2 Material-removing machine tool with a cold-rolling unit |
| 07/13/2011 | CN201895057U Roll unit for special-shaped steel bars |
| 07/12/2011 | US7975519 Wind turbine installation comprising an apparatus for protection of anchor bolts and method |
| 06/29/2011 | CN201880836U Steel tube screw thread processing device |
| 06/22/2011 | DE102009058683A1 Method for forming trapezoidal thread in end area of threaded rod for deforming elastomer blocks at railway tracks, involves bringing thread in end area of element by rollers, where flank angle of thread amounts to preset ranges |
| 06/22/2011 | CN201871656U Special mechanical hand for screw rolling machine |
| 06/22/2011 | CN201871655U Thread rolling machine |
| 06/16/2011 | WO2011071196A1 Titanium alloy bolt manufacturing facility and method for manufacturing titanium alloy bolt using same |
| 06/16/2011 | US20110142569 Fastener with hardened threads |
| 06/15/2011 | CN201862723U Copper busbar pipe thread forming device for bathroom |
| 06/15/2011 | CN102099134A Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses |
| 06/09/2011 | US20110137355 Systematic Displacement Bone Screw |
| 06/01/2011 | EP2327490A1 Reforming tool and method for generating a surface on a reforming tool |
| 06/01/2011 | CN201848497U Integral thread rolling forming die |
| 06/01/2011 | CN102083566A Device and non-cutting shaping method for introducing an outside profile into a workpiece |
| 05/26/2011 | US20110123295 Retainer |
| 05/19/2011 | WO2011059658A1 Thread rolling die |
| 05/19/2011 | CA2777361A1 Thread rolling die |
| 05/18/2011 | CN201832939U One-step automatic thread forming device for stud bolt |
| 05/18/2011 | CN201832938U Unidirectional die structure with double twisted teeth |
| 05/12/2011 | US20110108149 manufacturing method, a manufacturing device and a product of a lead-in type interference fit pipeline external thread |
| 05/12/2011 | US20110107811 Thread Rolling Die and Method of Making Same |
| 05/12/2011 | US20110107806 Device and non-cutting shaping method for introducing an outside profile into a workpiece |
| 05/11/2011 | CN201823857U Threaded gear rolling knife for car parts |
| 05/05/2011 | US20110106177 Anchor for use with orthopedic screw |
| 05/04/2011 | CN201815614U Roller head of bolt cold-rolling mill |
| 05/04/2011 | CN201815613U Thread drawing device of thread rolling machine |
| 05/04/2011 | CN101406923B Rolling die, and method for manufacturing rolling screw shaft with the rolling die |
| 04/27/2011 | EP2313218A1 Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses |
| 04/27/2011 | CN101780629B Production process of special shaped screw bolt |
| 04/21/2011 | WO2011044970A1 Device for rolling threads |
| 04/21/2011 | DE102009049580A1 Vorrichtung zum Gewinderollen Device for thread rolling |
| 04/20/2011 | CN201802727U Oil pipe bolt and machining mold thereof |
| 04/14/2011 | US20110086715 Threaded bolt and method for its production |
| 04/13/2011 | CN201791883U Pad penetration error prevention device for thread rolling machine |
| 04/13/2011 | CN201791882U Error correcting device of special-shaped bolt |
| 04/13/2011 | CN1609465B Male and female screw threads, and cutter for female thread |
| 04/07/2011 | DE102009038813A1 Vorrichtung zur spanlosen Bearbeitung langgestreckter Werkstücke Apparatus for chipless machining elongated workpieces |
| 04/06/2011 | EP2306058A1 A lead-in type interference fit pipeline external thread |
| 04/06/2011 | CN102000753A Deviation correcting device for abnormal bolt |
| 03/30/2011 | CN201776378U Die alignment device for three-roll grinding-silk machine |
| 03/30/2011 | CN101994742A Lock screw |
| 03/24/2011 | US20110070050 Screw and a method for manufacturing the same |
| 03/24/2011 | US20110070034 Corrosion-protected, self-drilling anchor and anchor subunit and method for the production thereof |
| 03/24/2011 | DE102009029407A1 Method for manufacturing motion transmitting steering component in steering system of vehicle, involves manufacturing steering component out of semi-finished products by machining |
| 03/23/2011 | CN201768860U Thread roller press |
| 03/23/2011 | CN101439384B Technique for rolling multiple-variety multiple-station spline threaded shaft |
| 03/16/2011 | CN201760544U Twisting machine for forming straight screw threads on steel bars |
| 03/15/2011 | US7905130 Apparatus for threading cans |
| 03/15/2011 | CA2394101C A bolt and thread rolling die and the manufacture of the bolt |
| 03/09/2011 | EP2292347A1 Method for producing a pin/tie-bolt |
| 03/09/2011 | CN101417390B Multi-axle cutting thread-rolling device |
| 03/03/2011 | WO2011023359A1 Thread rolling machine with feed device |
| 03/03/2011 | WO2011022747A1 Device and method for processing elongate workpieces without cutting |
| 03/03/2011 | CA2772658A1 Device and method for processing elongate workpieces without cutting |
| 03/02/2011 | EP2289647A1 Method for manufacturing self-tapping screw with helical chip discharge channel and self-tapping screw |
| 03/02/2011 | CN201752751U Thread rolling machine |
| 02/24/2011 | US20110044785 Method for manufacturing screw with helical chip discharge channel and product thereof |
| 02/23/2011 | CN201751045U Rolled thread wheel for machining multi-line threaded screw rod |
| 02/16/2011 | EP2284407A2 Screw and a method for manufacturing the same |
| 02/16/2011 | CN201744600U Screw rolling machine with functions of automatically blanking and grabbing materials |
| 02/16/2011 | CN101972828A Semi-automatic thread rolling plate |
| 02/10/2011 | US20110034258 Polyaxial Pedicle Screw Assembly and Method |
| 02/09/2011 | CN201735718U Flexible positioning device for milling and screwing workpieces |
| 02/09/2011 | CN201735717U Thread rolling die |
| 02/02/2011 | CN101965236A Method for working a thread on deformed reinforcing bar |
| 01/27/2011 | WO2011009425A1 Device for rolling an eccentric rotational component, rolling machine, method, and eccentric rotational component |
| 01/27/2011 | CA2768622A1 A device for rolling an eccentric rotational component, a rolling machine and a method as well as an eccentric rotational component |
| 01/26/2011 | CN201720372U Roller rotational positioning and adjusting device |
| 01/26/2011 | CN101954567A Method for manufacturing locking element of plate fixing device |
| 01/19/2011 | EP2274119A1 Device and non-cutting shaping method for introducing an outside profile into a workpiece |
| 01/19/2011 | EP1272295B1 Thread-rolling end-working attachment |
| 01/19/2011 | CN201711476U Steel bar double-wheel thread rolling mechanism |
| 01/19/2011 | CN201711475U Inclined-block linkage reinforcing steel bar rib-stripping and chamfering mechanism |
| 01/12/2011 | CN201702305U Screw plate |
| 01/05/2011 | CN201693102U Equipment for rolling straight threads on reinforced steel bars and steel rods |
| 01/04/2011 | US7862441 Self aligning die |
| 12/30/2010 | US20100326159 Bottle can member, bottle, and thread forming device |
| 12/29/2010 | CN101927308A Roller machine head of bolt cold-rolling mill |
| 12/29/2010 | CN101927307A Elastic positioning device of thread rolling workpiece |
| 12/29/2010 | CN101927306A Die matching device and die matching method for three-roll thread rolling machine |
| 12/22/2010 | CN201676984U Adjustable equipment capable of rolling multiple-thread screw rod |
| 12/16/2010 | US20100316466 Method for producing a threaded insert with an internal and external thread, and threaded insert |
| 12/16/2010 | US20100313627 Split Die |
| 12/16/2010 | DE102009007206B3 Verfahren zum Herstellen einer Getriebewelle sowie danach hergestellte Getriebewelle A method for producing a transmission shaft and then made gear shaft |
| 12/15/2010 | CN201669361U Flat tool thread rolling plate |
| 12/15/2010 | CN201669360U Thread rolling machine support |
| 12/08/2010 | EP2046514B1 Screw, bolt or locking ring bolt |