| Patents for B23G 9 - Working screws, bolt heads or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw thread (428) |
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| 12/14/2007 | CA2550553A1 Locking shear nut |
| 11/21/2007 | CN200979398Y A concentric detector for the initial forming of a screw |
| 08/29/2007 | CN101024257A Method for forming groove on screw fastener head |
| 08/22/2007 | CN2936521Y Double-process drill tail forming machine |
| 08/22/2007 | CN101020265A Screwhead punching pin locking method and screwhead punching die |
| 08/16/2007 | WO2007091430A1 Bolt and method for manufacturing bolt |
| 07/25/2007 | CN2925717Y Non-rag slotter of screw grooves |
| 06/13/2007 | CN1978112A Screw nut with self-locking property and making method |
| 06/06/2007 | CN2907998Y Screw feeding locating device of tail milling machine |
| 05/09/2007 | CN1960829A Tool for repairing damaged screw threads |
| 05/03/2007 | DE102005051187A1 Production of gloss aluminum screw, involves anti slip finishing, chemical polishing, and anodic oxidizing at surface area of screw |
| 04/25/2007 | CN1953836A Tool for repairing damaged screw threads |
| 03/21/2007 | CN2880341Y Multiple punching drill end screw former |
| 02/28/2007 | CN2873387Y Auxiliary forming device of screw head forming machine |
| 02/07/2007 | CN2865964Y Multi-head whirling thread working machine tool |
| 02/01/2007 | DE10318238B4 Verfahren und Vorrichtung zum Reinigen von Innenflächen von Gewindebohrungen Method and device for cleaning internal surfaces of threaded bores |
| 01/18/2007 | DE102005033200A1 Device for removal of jammed union nut from metal tube, comprising thread cutting front area |
| 01/17/2007 | CN2858158Y Improved screw head punch needle structure |
| 12/20/2006 | CN1879997A Bolt groove burr-free processing method and device |
| 12/20/2006 | CN1879996A Punch and manufacturing method for recessed head fastener |
| 12/13/2006 | EP1729909A1 Tool for repairing damaged screw threads |
| 12/13/2006 | EP1729908A1 Tool for repairing damaged screw threads |
| 12/13/2006 | CN2845990Y Head beater structure |
| 12/06/2006 | CN2843706Y Casing improvement of screw nailer |
| 11/15/2006 | CN1862036A Screw, punching tool and screwdriver top |
| 10/04/2006 | EP1706780A1 Devices for piercing glasses and finishing assembly screws and associated method |
| 08/03/2006 | WO2006079620A1 Tool |
| 07/12/2006 | CN2794711Y Composite slot screw mould |
| 07/12/2006 | CN2794710Y Pentagonal screw mould |
| 07/12/2006 | CN2794709Y Composite slot screw mould |
| 06/14/2006 | DE19645213B4 Verfahren zum Reinigen von Bolzen oder Außengewinden und Reinigungsvorrichtung A method for cleaning external threads or bolts and cleaning device |
| 06/14/2006 | DE10039450B4 Verfahren zum Erneuern einer Schraubverbindung und Werkzeugsatz hierfür Process for renewing a screw and tool set for this |
| 06/07/2006 | CN2785775Y Four-in-one screw head punching pin |
| 05/24/2006 | CN1775439A Method for removing crest burr of screw initial thread |
| 05/10/2006 | CN1255239C Tool for repairing damaged screw |
| 02/22/2006 | CN1736644A Screw bolt thread restoring machine |
| 02/08/2006 | CN1730188A Screw punch pin |
| 11/30/2005 | CN1701885A Technology for improving mesh accuracy between screwdown nut and screwdown screw of strip steel rough mill and plate mill |
| 09/15/2005 | WO2005084864A1 Tool for repairing damaged screw threads |
| 09/15/2005 | WO2005084863A1 Tool for repairing damaged screw threads |
| 08/24/2005 | CN2719468Y Drill tail screw forming machine |
| 08/11/2005 | DE202005008036U1 Thread restoring device for e.g. bore in diesel engine cylinder head, comprises holder for supporting guide piece for core drill |
| 07/26/2005 | US6921236 Tool for repairing damaged threads |
| 07/21/2005 | WO2005066695A1 Devices for piercing glasses and finishing assembly screws and associated method |
| 04/13/2005 | CN2691732Y Screw head punch needle |
| 11/25/2004 | DE10318238A1 Cleaning tool to remove swarf, particles or impurities from thread within pre-drilled holes has tube insert with longitudinal tangential slit |
| 11/04/2004 | DE10304705A1 Extension for external thread cutter, has steel rod having diameter of 32 mm, length of 185 mm, and inner diameter of 20 mm, such that extension can be used with chucks of different sizes and enables use of optimal force for cutting threads |
| 07/08/2004 | US20040132534 Repair device for threaded members |
| 07/07/2004 | CN2623394Y Rib ripping and thread rolling transmission device of threading machine |
| 05/06/2004 | US20040086348 Tool for repairing damaged threads |
| 12/30/2003 | US6668784 Threaded insert for tapered seat spark plug bores, installation tools, and method of installation |
| 11/26/2003 | EP1364736A1 Method, kit and insert for replacing damaged threads |
| 11/20/2003 | US20030215296 Method, kit and insert for replacing damaged threads |
| 09/30/2003 | US6626616 Tapping tool for PVC pipes and fittings |
| 07/08/2003 | US6589122 Thread tapping device |
| 05/15/2003 | US20030091401 Thread cleaning tool |
| 05/07/2003 | EP1058589A4 Fastener forming machine |
| 04/08/2003 | US6544127 Tool for repairing damaged threads |
| 03/06/2003 | US20030044249 Tapping tool for PVC pipes and fittings |
| 12/31/2002 | US6500383 Tapping tool |
| 11/05/2002 | US6474285 Method of repairing a damaged spark plug hole |
| 10/16/2002 | CN2516302Y Bolt head forming machine |
| 10/15/2002 | US6464592 Device for cleaning and restoring threads of a threaded article |
| 09/10/2002 | US6446520 Driving force transmission shaft made of aluminum or alloy with anodized surface externally fitted to bearing; wear and friction resistance |
| 09/06/2002 | EP1117501A4 Process for manufacturing a captive screw |
| 08/29/2002 | US20020117142 Method of repairing a damaged spark plug hole |
| 08/23/2002 | CA2372942A1 Method of repairing a damaged spark plug hole |
| 06/19/2002 | CN2495401Y Improved structure of screw automatic plastics spraying machine |
| 06/13/2002 | DE10061476A1 Thread drill for forming larger diameter threading in bored holes in workpieces, comprises drive journal, threaded head and threaded drill section |
| 05/15/2002 | CN2491170Y Screw mould |
| 05/14/2002 | US6386804 Recessed damaged stud re-threading tool |
| 02/28/2002 | DE10039450A1 Renovation of screw connection with damaged thread comprises using self-tapping drill to drill out damaged thread and simultaneously cut new thread, bolt inserted into bush with internal and external thread then being screwed into new bore |
| 02/27/2002 | CN2478718Y Screw head forming die |
| 11/01/2001 | US20010035599 Tapping tool |
| 10/17/2001 | CN2454071Y Steel-pipe scaffold fastener-finishing machine |
| 08/29/2001 | EP1015189A4 Sprinkler tool |
| 08/29/2001 | CN2444700Y Screw cutting device |
| 07/25/2001 | EP1117501A1 Process for manufacturing a captive screw |
| 07/25/2001 | CN1305402A Process for manufacturing captive screw |
| 06/19/2001 | US6248020 Fastener forming machine |
| 05/23/2001 | CN1295899A Tool for repairing damaged screw |
| 05/02/2001 | EP1095724A1 Tool for repairing damaged threads |
| 04/12/2001 | DE10048163A1 Moulding device for fastening elements for moulding of fastening elements out of cylindrical work pieces has gripper or tool carried relative to other for reciprocating movement along axis between remote position and near position. |
| 04/04/2001 | CN2425730Y Screw hole repairing liner |
| 03/27/2001 | US6206620 Thread chasing tool and method |
| 02/14/2001 | CN1061918C Method for side sutting off thread butt |
| 02/14/2001 | CN1061917C Method for top cutting off thread burr |
| 01/30/2001 | US6179718 Hole forming apparatus |
| 12/13/2000 | EP1058589A1 Fastener forming machine |
| 10/25/2000 | EP1045738A1 A method and device for machining a through bore |
| 07/18/2000 | US6089985 Fastener sorting apparatus |
| 07/11/2000 | US6086480 Process for manufacturing a captive screw |
| 07/06/2000 | DE19853248A1 Device especially for removing underseal coatings from bolts used in assembly of motor vehicle bodies has hollow annular or hollow cylindrical form cleaning head with air jets orientated centrally to threaded bolt to be cleaned |
| 07/05/2000 | EP1015189A1 Sprinkler tool |
| 04/18/2000 | US6050886 Rotary drum holder |
| 02/15/2000 | US6023807 Driving unit for cleaning accessory |
| 01/18/2000 | US6015351 Five spindle fluting machine |
| 12/21/1999 | US6004215 Fastener forming machine |
| 12/08/1999 | EP0717666B1 Continuously adjustable brush carrier |
| 10/21/1999 | WO1999052666A1 Process for manufacturing a captive screw |