| Patents for B21H 3 - Making helical bodies or bodies having parts of helical shape (2,057) |
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| 06/18/2008 | EP1932616A1 Method of manufacturing elongated rotating mechanical parts |
| 06/18/2008 | CN101199978A Cold pressing thread steel machine |
| 06/11/2008 | CN201070658Y Thread rolling mold of self-tapping screw |
| 06/04/2008 | CN100391672C Process for manufacturing knob and ringer of rigging screw |
| 05/29/2008 | WO2008062880A1 Manufacturing device and manufacturing method for spark plug |
| 05/28/2008 | EP1667805A4 Automatic releasing-type rolling head for forming tapered thread on pipe |
| 05/21/2008 | CN201061818Y Feeding structure of teeth scrubbing machine |
| 05/20/2008 | US7374494 Fluid connector |
| 05/20/2008 | US7373796 Automatic releasing-type rolling head for forming tapered thread on pipe |
| 04/24/2008 | WO2008047123A1 Tool and method for forming a thread |
| 04/23/2008 | CN101164728A Screw teeth scrubbing plate set with cooling function |
| 04/17/2008 | US20080090666 Tool for milling tapered threads with blunt start |
| 04/15/2008 | US7357726 Method of producing a fibre reinforced structural element |
| 04/08/2008 | US7353679 Coldforming machine |
| 04/02/2008 | EP1526933B1 Method for the production of a spindle nut of a spherical thread drive mechanism and mandrel therefor |
| 03/26/2008 | CN101147949A Method for lettering on drill |
| 03/19/2008 | CN101143379A Method for manufacturing double-head tooth screw |
| 03/12/2008 | CN100374227C Lightweight threaded fastener and thread rolling die |
| 03/06/2008 | WO2008008002A3 Method for producing internal thread on the end section of a tubular billet |
| 03/05/2008 | EP1781448B1 Cold-rolling machine and method for cleaning machine tool zones |
| 03/05/2008 | CN201030411Y Screw-thread rolling machine |
| 02/27/2008 | EP1891341A1 Hollow bolt comprising a longitudinal bore |
| 02/13/2008 | CN201020506Y Oil cylinder positioning thread rolling wheel opening-closing thread rolling machine working head |
| 02/13/2008 | CN100368115C Method for improving service life of rolled spiral drill |
| 02/07/2008 | WO2008016792A2 Low torque thread design |
| 02/07/2008 | WO2008014778A1 Screw, bolt or locking ring bolt |
| 02/07/2008 | US20080031704 Low Torque Thread Design |
| 02/07/2008 | DE10011681B4 Verfahren und Profilwalzmaschine zum Einstellen der Steigungs-Referenz zwischen den Profilwalzen einer Profilwalzmaschine Process and roll-forming machine for setting the reference slope between the profile rollers of a roll-forming machine |
| 02/06/2008 | CN201015810Y Sharp-tailed screw dental plate set |
| 02/06/2008 | CN201015809Y Dental plate structure |
| 02/06/2008 | CN201015808Y Screw dental plate set |
| 02/06/2008 | CN101116939A Automatic screw and filling piece compounding device |
| 02/06/2008 | CN101116938A Method for processing fluted twist drill helix plow-groove and machine-tooled plow-groove positioning device of the plow-groove machine |
| 02/05/2008 | US7326014 Interactive fit screw thread |
| 02/05/2008 | CA2353874C Thread-rolling end-working attachment |
| 02/01/2008 | CA2665753A1 Method of forming an expansion mounting sleeve and the product thereof |
| 01/24/2008 | DE102006034279A1 Rolling profiles on rotationally-symmetrical workpieces, employs rolling tool with grooving profile and additional transverse profiles producing bridging sections |
| 01/23/2008 | CN201008930Y Automatic non-head vertical roll feeding mechanism for thread rolling machine |
| 01/23/2008 | CN201008929Y Automatic vibration groove feeding mechanism for thread rolling machine |
| 01/17/2008 | WO2008008002A2 Method for producing internal thread on the end section of a tubular billet |
| 01/17/2008 | WO2008008001A1 Method for producing external thread on the end section of a tubular billet |
| 01/16/2008 | EP1877206A1 Fastener manufacturing apparatus and method |
| 01/10/2008 | DE102006030661A1 Hard metallic profile rolling bar, rolling rod and/or roll cheek or circular rolling tool for cold rolling, comprise base body with mounting elements, and profile gear |
| 01/09/2008 | CN201002122Y Positional automatic opening and closing cold-extruding external screw thread rolling device |
| 12/27/2007 | DE20221801U1 Mutter Mother |
| 12/20/2007 | US20070293329 Method and tool set for producing a thread in at least two working steps |
| 12/18/2007 | CA2443296C Tangential rolling attachment for a machine tool |
| 12/12/2007 | CN101085456A Double roll type cylinder processor |
| 12/11/2007 | CA2347974C Lightweight threaded fastener and thread rolling die |
| 11/14/2007 | CN100348875C Heat resistant drill screw |
| 11/08/2007 | US20070258791 Fastener System For Fixing Hardened Plates |
| 11/07/2007 | CN100347512C Heat transfer tube and method of manufacturing same |
| 11/01/2007 | WO2007123716A1 Apparatus for threading cans |
| 10/25/2007 | US20070249424 Apparatus for threading cans |
| 10/24/2007 | EP1847339A1 Automatic rolling machine with flat chasers |
| 10/24/2007 | CN101058966A Embedded sleeve for concrete switch tie and preparation method for screw shell thereof |
| 10/17/2007 | EP1259335B1 Smart machine tool system |
| 10/10/2007 | CN200957504Y Work clamp for machining screw thread |
| 10/10/2007 | CN200957427Y Lower-roller anti-flee device of taper-shank twisted-wire drill for pressed machine tool |
| 10/04/2007 | DE112005002820T5 Schraube mit mehreren Gewindesteigungen, Verfahren und Vorrichtung zum Herstellen einer Schraube mit mehreren Gewindesteigungen Screw with a plurality of thread pitches, Method and apparatus for manufacturing a screw having a plurality of thread pitches |
| 10/03/2007 | EP1581352B1 Self-attaching female fastener elements and method fo forming same |
| 09/13/2007 | US20070209419 Rolling die and method for forming thread or worm and spline having small number of teeth by rolling simultaneously |
| 09/12/2007 | CN101035638A Multi-pitch screw and method and apparatus for manufacturing multi-pitch screw |
| 09/11/2007 | US7267616 Method for making a ball-nut and method for making a ball-screw |
| 09/06/2007 | DE102006008083A1 Strukturiertes Wärmeaustauscherrohr und Verfahren zu dessen Herstellung Structured heat exchanger tube and method for its production |
| 08/23/2007 | US20070197303 Method for manufacturing connecting devices |
| 08/23/2007 | DE102007007808A1 Form rolling tool for gear component has spline-rolling tool that starts form rolling of tooth spline to raw material when incision of raw material reaches predetermined value with respect to blank diameter of raw material |
| 08/08/2007 | CN2930905Y Device of taper shank twist drill rolling machine tool for adjusting space between centre rolls |
| 08/08/2007 | CN2930904Y Synchronous adjusting device of taper shank twist drill rolling machine tool |
| 08/08/2007 | CN2930903Y Topping roll movement-proof device of taper shank twist drill rolling machine tool |
| 08/08/2007 | CN2930902Y Platen adjusting device of taper shank twist drill rolling machine tool |
| 08/02/2007 | US20070178979 Radius gimlet point anti-stripout screw |
| 08/02/2007 | DE102006004555A1 Schraube Screw |
| 08/01/2007 | EP1813827A2 Screw and method to manufacture a screw |
| 08/01/2007 | CN101007379A Method for improving rolling surface of nut screw for ball screw |
| 07/25/2007 | CN2925687Y Threaded rolling-mill working head of sliding collapsible rolled-threading wheel |
| 07/24/2007 | US7247099 Screw with a partially hardened functional tip and process for the production thereof |
| 07/11/2007 | EP1804982A1 Cold rolling machine and cold rolling method |
| 07/11/2007 | CN2920502Y Thread rolling wheel for rolling circular thread |
| 07/11/2007 | CN2920478Y Planetary bolt shaping apparatus |
| 07/11/2007 | CN1325190C Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt |
| 06/20/2007 | CN2912861Y 自动螺丝机 Automatic Screw Machine |
| 06/20/2007 | CN1322262C Thin stainless steel pipe with engaging formed screw connet and its manufacture method |
| 06/19/2007 | US7231795 Automatic rolling machine with flat chasers |
| 06/19/2007 | US7231794 Method for manufacturing a worm shaft |
| 06/13/2007 | CN2910410Y Fast rolling make-up apparatus for multiple threaded steel |
| 06/13/2007 | CN1978089A LBG 40D type reinforcing bar rib-stripping rolling straight-screw-thread machine tool |
| 06/06/2007 | EP1088171A4 Thread forming fastener |
| 06/06/2007 | CN2907964Y Rolling mould for twist drill product |
| 05/31/2007 | US20070122251 Cold-rolled fixing screw comprising a self-tapping thread |
| 05/30/2007 | EP1133643A4 Lightweight threaded fastener and thread rolling die |
| 05/24/2007 | DE102005042901B3 Verfahren und Vorrichtung zum Verformen eines Werkstücks Method and apparatus for deforming a workpiece |
| 05/17/2007 | US20070110544 Light metal thread-forming screw fastener and method for making same |
| 05/16/2007 | CN1962117A Process for rolling taper pipe thread on thin-wall metal pipe fitting |
| 05/15/2007 | US7217195 Method of producing left-right screw |
| 05/09/2007 | EP1781448A1 Machine tool, cold-rolling machine, and method for cleaning machine tool zones |
| 05/02/2007 | CN1313793C Spiral internal-recessing metal pipe and method for manufacturing the same |
| 04/18/2007 | CN2889547Y Veneer screw plate |
| 04/17/2007 | US7204115 Axial thread-rolling head |
| 04/12/2007 | US20070082746 Threaded die holder apparatus |