| Patents for B21L 5 - Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chain links are formed (55) |
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| 02/03/2015 | US8944796 Mesh and apparatus for forming and/or using mesh |
| 08/26/2014 | US8813468 Chain consisting of oval profile chain links, and method for producing a chain of this type |
| 12/04/2013 | CN103418739A Flat ring pressing method |
| 07/02/2013 | CA2564495C Mesh and methods and apparatus for forming and using mesh |
| 05/30/2013 | US20130134725 Master coupling link and assembly |
| 11/29/2012 | US20120297749 Solderless linking method and structure for jewelry |
| 03/15/2012 | US20120064289 Mesh and apparatus for forming and/or using mesh |
| 12/07/2011 | CN101444819B 无焊口锚链的制造工艺及其生产设备 No weld chain manufacturing processes and production equipment |
| 10/25/2011 | US8043546 Mesh and methods and apparatus for forming and using mesh |
| 08/18/2011 | US20110197565 Device and system for assembling chain components to a chain containing radiation sources |
| 06/16/2010 | CN101743078A Mesh and methods and apparatus for forming mesh and link elements |
| 11/29/2009 | CA2677144A1 A planar, generally "u" or "v" shaped chain link |
| 09/29/2009 | US7594330 Rosary and method for making same |
| 06/03/2009 | CN101444819A Manufacturing process for weld seam-free anchor chain and production equipment therefor |
| 05/20/2009 | CN100488663C Mesh, methods and apparatus for forming and using mesh |
| 03/17/2009 | US7503163 Chain |
| 03/11/2009 | EP1750870A4 Mesh and methods and apparatus for forming and using mesh |
| 11/04/2008 | US7444801 Method of weaving links and resulting product |
| 09/04/2008 | WO2008105673A1 Mesh and methods and apparatus for forming mesh and link elements |
| 08/21/2008 | US20080196381 Method of manufacturing power transmission chain and pretension load device used in manufacture of power transmission chain |
| 03/11/2008 | US7340878 Method of forming of jewelry with multiple links |
| 01/24/2008 | US20080016840 Method and tool for fastening connecting plates of a chain using connecting links |
| 11/27/2007 | US7299514 Foldable tool set with chain repair tool |
| 06/13/2007 | CN1978090A Process for integrated forging three-ring chain |
| 05/02/2007 | CN1956811A Mesh and methods and apparatus for forming and using mesh |
| 02/22/2007 | US20070042210 Mesh and methods and apparatus for forming and using mesh |
| 02/14/2007 | EP1750870A1 Mesh and methods and apparatus for forming and using mesh |
| 02/14/2007 | CN1911763A Bending transfer chain scraper and method and equipment used for producing said chain scraper |
| 08/02/2006 | CN2801327Y Chain arraying piece ordering device of chain piece stringing machine |
| 07/05/2006 | CN2792650Y Stringing device of chain plate |
| 05/23/2006 | US7047721 Jewelry rope chain link element and methods of manufacture |
| 05/09/2006 | US7040080 Track link production method and track link produced by the same |
| 03/16/2006 | US20060053766 Link chain |
| 02/07/2006 | US6993896 Method of forming chain links |
| 12/08/2005 | WO2005115659A1 Mesh and methods and apparatus for forming and using mesh |
| 12/08/2005 | CA2564495A1 Mesh and methods and apparatus for forming and using mesh |
| 11/11/2003 | US6644008 Cross-sectional shapes for hollow link chain |
| 02/13/2003 | US20030029156 Cross-sectional shapes for hollow link chain |
| 10/08/2002 | US6460323 Cross-sectional shapes for hollow link chain |
| 01/15/2002 | US6338238 Coil link chain and method |
| 01/05/2000 | CN1047968C Stud link chain and its mfg. method and device |
| 06/09/1999 | CN2322718Y Automatic machine for forming interconnected links |
| 08/25/1998 | US5797258 Method of manufacturing hollow diamond cut chain with multi-faceted surface |
| 12/16/1997 | CA2123575C Hollow diamond cut rope chain and method of making same |
| 08/26/1997 | US5660036 Jewelry rope chain |
| 07/16/1997 | CN1154278A Chain making machine |
| 12/10/1996 | US5581993 Hollow diamond cut rope chain with multi-faceted surfaces |
| 09/26/1995 | US5452572 Hollow rope chain with close fitted links |
| 08/01/1995 | US5437149 Hollow diamond cut rope chain with multi-faceted surfaces |
| 10/11/1994 | US5353584 Hollow diamond cut rope chain with multi-faceted surfaces |
| 09/28/1994 | CN1092705A Stud link chain |
| 05/27/1993 | WO1993009897A1 Hollow diamond cut rope chain and method of making same |
| 05/19/1993 | EP0542399A1 Hollow diamond cut rope chain |
| 03/30/1988 | CN85106018B Combination process for casting and forging of connecting rod |
| 01/21/1987 | CN85106018A Combination process for casting and forging of connecting rod |