| Patents for B21J 1 - Preparing metal stock (1,586) |
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| 03/01/1995 | CN1027741C Upsetting press for reducing width of plate slab in hot wide band roughing train |
| 03/01/1995 | CN1027740C Device for guying and compensating tool support and crankcase of upsetting press |
| 02/16/1995 | WO1995004615A1 Zone heating apparatus |
| 02/08/1995 | CN1098343A Main driving equipment of preforging machine |
| 01/11/1995 | EP0633078A1 Method of fabricating a hollow steel body with an inner- and/or outer profiling |
| 12/21/1994 | EP0629455A1 Main drive for upsetting press |
| 12/20/1994 | US5374323 Nickel base alloy forged parts |
| 12/14/1994 | EP0628360A1 Sizing press, method of changing die thereof, die change system and method of measuring distance in die |
| 12/07/1994 | EP0610510A4 Method of radial forging of blank. |
| 12/07/1994 | EP0610509A4 Method for obtaining hollow forgings by radial forging of continuous blanks. |
| 12/07/1994 | CN1026866C Side rolling mill which narrowing rolled material |
| 11/09/1994 | EP0623064A1 Apparatus and method for deforming a workpiece |
| 11/01/1994 | US5360496 Nickel base alloy forged parts |
| 10/13/1994 | DE4412031A1 Method for manufacturing forgings made of nickel alloys |
| 09/27/1994 | US5349842 For use in an upsetting press for width reduction of slabs |
| 08/17/1994 | EP0610510A1 Method of radial forging of blank |
| 08/17/1994 | EP0610509A1 Method for obtaining hollow forgings by radial forging of continuous blanks |
| 06/09/1994 | DE4241004A1 Stretch roller unit used in drop forging - has automatic clamping and release action on tool packet for rapid and automatic tool exchange |
| 05/24/1994 | US5313815 Apparatus and method for producing shaped metal parts using continuous heating |
| 05/24/1994 | US5313813 Upsetting press for reducing the width of rollng stock with internally cooled retaining rolls and driver rolls |
| 05/19/1994 | DE4323167C1 Producing steel hollow bodies by rolling - combined with austenitic heat treatment |
| 04/13/1994 | EP0591151A1 A steel bar and billet heating system located upstream of shears for further processing. |
| 03/30/1994 | EP0589530A1 Method of producing a rivated joint |
| 03/23/1994 | EP0588128A1 Process of hot forging at ultrahigh temperature |
| 02/22/1994 | US5287719 Method of forming semi-solidified metal composition |
| 02/09/1994 | EP0582436A1 Apparatus for cleaning strips before press forming, having de-oiling rolls and tacky rolls to remove oil and foreign matters |
| 12/28/1993 | US5272896 Forging method and system |
| 12/09/1993 | WO1993024256A1 Method for obtaining hollow forgings by radial forging of continuous blanks |
| 12/09/1993 | WO1993024255A1 Method of radial forging of blank |
| 11/24/1993 | CN1022808C Quick upsetting press |
| 11/02/1993 | US5257522 Process of hot forging at ultrahigh temperature |
| 09/29/1993 | EP0561935A1 Width reduction of metal slab |
| 08/05/1993 | WO1993014895A1 Apparatus and method for deforming a workpiece |
| 08/05/1993 | CA2128627A1 Apparatus and method for deforming a workpiece |
| 07/13/1993 | US5226307 Slab upsetting press for hot-rolled wide strip rolling mills |
| 04/27/1993 | US5205148 Upsetting press for reducing the width of slabs in hot-rolled wide strip breaking-down trains |
| 03/23/1993 | US5195351 Arrangement for clamping and balancing pressing tool carriers and crank housing of an upsetting press |
| 03/10/1993 | EP0531002A1 Method of forming semi-solidified metal composition |
| 02/23/1993 | CA2076462A1 Method of forming semi-solidified metal composition |
| 01/13/1993 | EP0522501A1 Process of hot forging at ultrahigh temperature |
| 12/16/1992 | CN1066995A Fafrication of pressure vessels |
| 12/08/1992 | US5168739 Upsetting press for reducing the width of rolling stock |
| 10/21/1992 | EP0509700A1 Fabrication of pressure vessels |
| 10/20/1992 | CA2065538A1 Fabrication of pressure vessels |
| 07/22/1992 | CN1062859A Device for cooling pressing tool of upsetting press and method for operating this device |
| 07/01/1992 | EP0492227A1 Device for cooling the pressing tools of a pressing machine and methods for its operation |
| 06/25/1992 | WO1992010318A1 Width reduction of metal slab |
| 05/20/1992 | CN1061171A Plate slab upsetting press for hot wide band rolling mill |
| 05/20/1992 | CN1061170A Upsetting press for reducing width of plate slab in hot wide band roughing train |
| 05/20/1992 | CN1061169A Device for guying and compensating pressing tool support and crankcase of upsetting press |
| 05/13/1992 | EP0484783A2 Device for bracing and balancing the press tool holder and crankcase in an upsetting press |
| 05/13/1992 | EP0484782A2 Upsetting press for reducing the width of slabs in hot wide strip roughing trains |
| 05/13/1992 | EP0484781A2 Slab upsetting press for hot wide strip rolling mills |
| 05/12/1992 | US5111570 Metal alloy substrate |
| 04/21/1992 | CA1298995C Method for producing a family of forged ring rolling preforms and forging die therefor |
| 03/03/1992 | CA1296551C Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus |
| 02/19/1992 | CN1058735A Upsetting press for reducing width of rolling stock |
| 02/19/1992 | CN1058734A Upsetting press for reducing width of rolling stock |
| 02/12/1992 | EP0470868A1 Forge joining repair technique |
| 02/12/1992 | EP0470436A2 Pressure roll for holding slabs down in an upsetting press |
| 02/12/1992 | EP0470435A2 Upsetting press for reducing the width of rolling stock |
| 01/07/1992 | US5077999 Flying upsetting press |
| 09/25/1991 | EP0447839A1 Method to forge with a swaging machine, and a swaging machine suitable to carry out the method |
| 09/12/1991 | DE4007407A1 Ingot or billet upsetting press |
| 09/11/1991 | EP0445898A2 Slab upsetting press with movable frame |
| 09/10/1991 | US5046344 Apparatus for sizing a workpiece |
| 07/02/1991 | US5028798 Method and apparatus for determining the geometry of a body |
| 06/13/1991 | WO1991008089A1 A steel bar and billet heating system located upstream of shears for further processing |
| 06/11/1991 | US5022931 Injecting inert gas into hole, fastening a cap, heating |
| 05/28/1991 | CA1284450C Nickel base superalloy articles and method for making |
| 05/15/1991 | EP0426935A2 Process for hot working article defining hole at the center thereof |
| 03/06/1991 | CN1011866B Active compacting forging method |
| 12/12/1990 | CN1047636A Quick upsetting press |
| 12/05/1990 | EP0400385A2 Flying upsetting press |
| 10/30/1990 | US4966025 Horizontally opposed-die type edging press |
| 09/26/1990 | CN1009741B Nickel base superalloy articles and method for making |
| 07/12/1990 | DE3900668A1 Press for laterally upsetting workpieces, in particular slab-upsetting press |
| 06/14/1990 | WO1990006194A1 Device for cyclic deformation of continuous strip |
| 05/10/1990 | DE3837643A1 Upsetting press for the step wise changing of the cross-section of metal bodies in strand form, e.g. slabs |
| 05/09/1990 | EP0367485A2 Edging press with horizontally opposed dies |
| 05/09/1990 | EP0367358A2 Method of making semi-finished products |
| 04/25/1990 | EP0364907A2 Process and device to determine the geometry of an object |
| 04/19/1990 | DE3934236A1 Measuring geometry of body in forging process - continuously sensing surface of rotating body and converting data with constant vol. program for use in process control |
| 04/18/1990 | CA2000847A1 Method and apparatus for determining the geometry of a body |
| 03/08/1990 | WO1990002006A1 Method and instrument for making blanks from slab |
| 02/13/1990 | US4899570 Apparatus and method of rotary forging with induction heating |
| 02/08/1990 | WO1990000949A1 Method and instrument for making blanks from a slab |
| 02/07/1990 | EP0353788A2 Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus |
| 11/30/1989 | WO1989011347A1 Device for cyclic deformation of continuous strip |
| 10/18/1989 | CN1036348A Active compacting forging method |
| 09/19/1989 | US4867807 Fine grain |
| 09/12/1989 | US4864706 Fabrication of dual alloy integrally bladed rotors |
| 08/01/1989 | US4852383 Press apparatus for reducing widths of hot slabs |
| 06/13/1989 | US4838062 Process for upset forging of long stands of metal bar stock |
| 04/13/1989 | DE3833355A1 Method for the hot forming of used sleeper bolts and apparatus for carrying out the method |
| 01/17/1989 | US4798077 Method for producing a family of forged ring rolling preforms and forging die therefor |
| 10/04/1988 | CA1242563A1 Sizing molds for continuous casting |
| 09/06/1988 | US4769087 Nickel base superalloy articles and method for making |
| 08/17/1988 | EP0278306A2 Method for producing a family of forged ring rolling preforms and forging die therefor |
| 08/02/1988 | US4760728 Method for reducing widths of hot slabs |