| Patents for B21L 9 - Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains (677) |
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| 05/06/1992 | CN2103387U Automatic machine for assembling parts of chains |
| 03/18/1992 | CN2098975U Bunker for sizing link joint |
| 11/26/1991 | US5067214 Tenter frame apparatus and method |
| 10/23/1991 | EP0333775B1 Press with self aligning tooling |
| 10/15/1991 | US5056306 Track assembly for track-laying vehicle |
| 10/15/1991 | US5056305 Tool for separating chain links |
| 10/09/1991 | CN1014211B Method for producing roller chain with low-carbon low-alloy steel |
| 03/12/1991 | US4998907 Connecting pin and method using the connecting pin |
| 09/05/1990 | EP0385681A2 Power transmission chain |
| 08/21/1990 | US4949446 Rivet remover |
| 08/08/1990 | EP0381152A1 Connecting pin and method using the connecting pin |
| 07/17/1990 | US4941316 For opening a window or the like |
| 05/22/1990 | US4926529 Tenter frame apparatus and method |
| 04/11/1990 | EP0362326A1 Tracklaying vehicle. |
| 04/10/1990 | US4915675 Pitch equalized chain with frequency modulated engagement |
| 03/21/1990 | CN2054724U Apparatus for automaticly fitting, riveting and cutting chain |
| 01/31/1990 | CN1039265A Method for producing roller chain with low-carbon low-alloy steel |
| 11/21/1989 | US4881365 Assembly apparatus for truck links |
| 11/07/1989 | US4878345 Chain assembly and method for making the same |
| 10/05/1989 | WO1989009105A1 Tracklaying vehicle |
| 09/27/1989 | EP0333775A1 Press with self aligning tooling |
| 09/26/1989 | CA1260314A1 Anvil apparatus for a press |
| 05/30/1989 | US4833875 Roller chain assembling device |
| 04/06/1989 | WO1989002845A1 Press with self aligning tooling |
| 02/22/1989 | EP0304270A2 Riveted structure |
| 01/24/1989 | CA1249353A1 Method of discriminating fitting pressure for links on a track press |
| 11/02/1988 | EP0186685B1 Track joint and method of assembling same |
| 08/30/1988 | US4766720 Press with self aligning tooling |
| 02/25/1988 | DE3636476A1 Method and apparatus for the production of inverted tooth chains for driving and conveying purposes |
| 02/24/1988 | CN87201415U Great circle-making machine |
| 02/23/1988 | CA1233033A1 Apparatus for assembling conveyor chain |
| 02/16/1988 | US4724669 Filament-wound cylindrical element for chain |
| 12/08/1987 | US4711676 Carburized pin for chain |
| 01/13/1987 | US4635437 Chain punch |
| 01/07/1987 | EP0207201A1 Method of monitoring fitting pressure for track links |
| 12/17/1986 | EP0204735A1 Drive chain |
| 11/11/1986 | US4621491 Method of discriminating fitting pressure for links on a track press |
| 10/23/1986 | WO1986006011A1 Tool for the assembly and disassembly of a plug-in link in a roller chain |
| 09/23/1986 | US4612765 Anvil apparatus for a press |
| 07/17/1986 | EP0186685A4 Track joint and method of assembling same. |
| 07/09/1986 | EP0186685A1 Track joint and method of assembling same. |
| 06/19/1986 | WO1986003566A1 Drive chain |
| 06/17/1986 | US4594846 Track joint and method of assembling same |
| 04/15/1986 | US4581825 Chain punch |
| 02/18/1986 | US4570436 Apparatus for assembling conveyor chain |
| 12/19/1985 | WO1985005579A1 Track joint and method of assembling same |
| 04/23/1985 | US4512070 Saw chain rivet spinner |
| 04/09/1985 | US4509937 Power transmission chain |
| 04/09/1985 | US4509323 Power transmission chain |
| 03/26/1985 | US4506501 Apparatus for repairing chains |
| 10/30/1984 | CA1176874A1 Track chain link and forging process for the manufacture of track chain links |
| 07/04/1984 | EP0042378B1 Method and apparatus for assembly of a track chain |
| 05/22/1984 | US4449357 Track chain link and forging process for the manufacture of track chain links |
| 02/07/1984 | US4429525 Repairing a roller chain |
| 12/28/1983 | EP0096812A2 Method and apparatus for forging track links |
| 02/09/1983 | EP0071522A1 Forging method for the manufacture of track chain links, in particular for terrain vehicles |
| 01/04/1983 | CA1138629A1 Method and apparatus for assembly of a track chain with minimum end play |
| 07/20/1982 | US4339961 Pressure-responsive apparatus for assembling track links or the like |
| 12/30/1981 | EP0042378A1 Method and apparatus for assembly of a track chain. |
| 11/25/1981 | EP0042378A4 Method and apparatus for assembly of a track chain. |
| 07/09/1981 | WO1981001806A1 Method and apparatus for assembly of a track chain |
| 02/05/1981 | WO1981000223A1 Method and apparatus for assembly of a track chain with minimum end play |
| 12/09/1980 | US4237717 Method of manufacturing rollers |
| 07/10/1979 | CA1058108A1 Method for forming a track link bushing having a contoured opening |
| 06/05/1979 | US4157009 Tool bar assembly for track presses |
| 10/10/1978 | US4118995 Integral tie strap and rivet assemblies for saw chains |
| 06/13/1978 | US4094515 Seal device in a roller chain |
| 04/18/1978 | US4084423 Method for forming a track link bushing having a contoured opening |
| 04/18/1978 | US4084369 Chain link assembly and disassembly tool |
| 07/26/1977 | US4037403 Method of making integrated tie strap and rivet assemblies for saw chains |
| 05/03/1977 | US4020712 Bushing link chain |
| 07/20/1976 | US3969949 Fillerless welded chain |
| 07/20/1976 | US3969889 Method of manufacturing stepped bushings for chains |
| 03/16/1976 | US3943702 Apparatus for the continuous production of link chains |
| 02/24/1976 | US3939648 Multi-pitch tool bar for track presses |
| 02/10/1976 | US3937005 Key for removing locking members from drive chains or the like |
| 01/13/1976 | US3931706 Method of making a bushing link chain |