| Patents for B21C 51 - Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses (2,438) |
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| 02/22/1995 | EP0502894B1 A method and means for marking a workpiece |
| 02/08/1995 | EP0637746A1 Method for the reduction of noise during the Eddy-current testing of tubes and tubes produced with that procedure |
| 02/03/1995 | CA2112655A1 Process for reducing the background noise during the quality control of metal tabes by means of eddy currents and tubes obtained using this process |
| 01/18/1995 | CN1097360A Apparatus for producing thin metallic tubd |
| 01/10/1995 | US5379631 Flatness detector |
| 01/05/1995 | WO1995000255A1 Continuous tube forming and coating |
| 01/05/1995 | CA2165809A1 Continuous tube forming and coating |
| 01/04/1995 | EP0504417B1 An instrument for measuring dimensions of a can seam portion |
| 12/27/1994 | US5375756 Apparatus for assembling and welding final end plugs to nuclear fuel-containing cladding tubes and inspecting the welds, all on an automated basis |
| 12/13/1994 | US5373545 Method for the on-line nondestructive measurement of a characteristic of a continuously produced |
| 12/08/1994 | DE4318767A1 Method and device for measuring the layer thickness of thin organic films or organic films |
| 11/04/1994 | CA2122383A1 Pilger mill mandrel measuring device |
| 11/02/1994 | EP0622610A1 Calibration method and apparatus for flat product transversal profile thickness measuring unit |
| 10/04/1994 | US5352278 Marking powder for and method of marking a metallic article |
| 09/15/1994 | DE4307617A1 Method and arrangement for measuring the radial profile and/or the absolute diameter of rotationally symmetrical bodies |
| 08/18/1994 | DE4307156A1 Device for the production of thin-walled metal tubes |
| 08/17/1994 | CN1090868A Marking powder for and method of marketing a metallic article |
| 07/05/1994 | US5326259 Marked orthodonic aid and method of manufacturing |
| 06/30/1994 | DE4243754A1 Magnetic storage method for digital information |
| 06/21/1994 | CA1330282C Process of marking hot steel ingots |
| 05/24/1994 | US5313714 Instrument for measuring dimensions of a can seam portion |
| 04/28/1994 | DE4236023A1 Wire bobbin unwinding process - uses appts with light source and receiver with a colour sensor to register when a bobbin is empty. |
| 04/06/1994 | EP0590717A1 Marking powder for and method of marking a metallic article |
| 04/05/1994 | US5301119 Die draft optimizing system |
| 04/05/1994 | US5300142 Compositions and process for highlighting surface defects in, and prevention of adhesion of hot metal to, metal surfaces |
| 03/31/1994 | CA2107259A1 Marking powder for and method of marking a metallic article |
| 03/17/1994 | DE4230621A1 Identifying marking on incandescent workpiece - using scanning laser, narrow bandpass filter and CCD camera |
| 03/15/1994 | US5293687 Wheel manufacturing method |
| 03/03/1994 | WO1994004617A1 Highlighting surface defects in metal surfaces |
| 02/15/1994 | US5285684 Shape detecting roll |
| 02/09/1994 | EP0582436A1 Apparatus for cleaning strips before press forming, having de-oiling rolls and tacky rolls to remove oil and foreign matters |
| 02/08/1994 | US5284087 Method and means for marking a workpiece |
| 01/11/1994 | US5277044 Wire drawing machine with diameter watching-system |
| 01/04/1994 | US5275062 Web tension measuring device for use with web coiling equipment |
| 12/22/1993 | EP0575155A1 On-line monitoring of pilger workpiece displacement |
| 11/25/1993 | DE4217007A1 Controlling product quality of production installation - determining product quality by comparing attributes derived from frequency distribution with target vector |
| 09/30/1993 | DE4210199A1 Quality assurance sampling procedure for rolled wire coils - sampling using manipulators while wire is warm and checking quality while wire passes through cooling area |
| 09/30/1993 | DE4210031A1 Contactless optical length measurement of coated and uncoated sheet materials of variable thickness - acquiring images of lateral, uncoated edge with line or matrix camera using deflecting mirror or prism for deflecting image through ninety degs.. |
| 09/22/1993 | EP0561603A1 Flatness detector |
| 08/25/1993 | EP0556635A2 Ultrasonic apparatus for measuring wall thickness, particularly for extruded tubes |
| 08/24/1993 | US5238402 Marked orthodontic aid and method of manufacturing |
| 08/24/1993 | CA1321492C Method of ascertaining the magnitude of forces acting upon rolls in rolling mills |
| 05/12/1993 | EP0541392A1 Metal detection |
| 04/21/1993 | EP0538144A1 Method for continuously measuring the mechanical characteristics of a continuously produced strip, especially steel strip |
| 04/18/1993 | CA2080764A1 Process for the continuous measurement of the tensile caracteristics of a web, especially that of a continuously processed steel band |
| 02/24/1993 | EP0528517A1 Web tension measuring device for use with web coiling equipment |
| 01/27/1993 | EP0524351A1 Wire drawing machine with diameter watching-system |
| 01/21/1993 | DE4124034A1 Measuring width of band even when it lifts out of roller path plane - measuring positions of band edges using various camera outputs and known camera separations and positions w.r.t. roller path |
| 10/14/1992 | EP0383901B1 Metrological scale |
| 10/07/1992 | EP0507553A2 Roll roundness measuring and machining apparatus and method |
| 10/02/1992 | CA2063887A1 Roll roundness measuring and machining apparatus and method |
| 09/23/1992 | EP0504417A1 An instrument for measuring dimensions of a can seam portion. |
| 09/16/1992 | EP0502894A1 A method and means for marking a workpiece. |
| 08/26/1992 | EP0500453A1 Method for non-destructive on-line measuring of a characteristic of a continuously manufactured product, and associated apparatus |
| 08/20/1992 | CA2060990A1 Non destructive process for measuring a continuously manufactured product, and related device |
| 05/26/1992 | US5117081 Roll roundness measuring and machining apparatus and method |
| 05/14/1992 | DE4035345A1 Counter for packaging or stacking machine - uses sensor detecting rod-shaped work transferred between 2 conveyors by gripper wheels |
| 05/05/1992 | US5110218 Prediction method for formation of heat streak and thermal sensor roll therefor |
| 04/16/1992 | WO1992006348A1 An instrument for measuring dimensions of a can seam portion |
| 02/25/1992 | US5090224 Method of determining the spring characteristic of a roll stand |
| 02/18/1992 | US5088209 Metrological scale |
| 02/12/1992 | EP0397656B1 Process and device for manufacturing tubes with helically arranged seams |
| 01/29/1992 | EP0327628B1 Orthodontic accessory with marking and process for manufacturing same |
| 01/14/1992 | US5079938 Process and apparatus for producing a helically seamed pipe |
| 12/27/1991 | EP0301008B1 Shapemeter |
| 10/30/1991 | EP0454301A2 Prediction of heat streaks in metal rolling |
| 07/10/1991 | EP0287680B1 Apparatus for measuring the draft of a rolled steel |
| 06/26/1991 | EP0433819A2 Determination of the load deflection characteristics of a roughing and finishing stand |
| 06/13/1991 | WO1991008062A1 A method and means for marking a workpiece |
| 04/25/1991 | DE4020839A1 manufacture of workpieces from rolled metal strip - has means to detect surface defects before forming operation |
| 02/19/1991 | US4993270 Process and device for measuring the pressing force between the rolls of a roll stand |
| 01/29/1991 | WO1991002231A1 Shape detecting roll |
| 01/29/1991 | CA2035885A1 Shape detecting roll |
| 11/28/1990 | EP0399181A2 Production of copper rod by rolling |
| 11/25/1990 | CA2013495A1 Production of copper rod by rolling |
| 11/22/1990 | EP0397656A1 Process and device for manufacturing tubes with helically arranged seams. |
| 11/07/1990 | EP0396222A1 Rolling mill instrumentation platforms |
| 08/29/1990 | EP0383901A1 Metrological scale. |
| 07/10/1990 | US4939936 Shapemeter |
| 07/03/1990 | US4938045 Method of ascertaining the magnitude of forces acting upon rolls in rolling mills |
| 06/26/1990 | US4936127 Production of copper rod by rolling |
| 04/24/1990 | US4918963 Retractable rolling mill instrumentation platform |
| 04/05/1990 | DE3932549A1 Graviervorrichtung mit einem doppelten rueckkehrmechanismus fuer das stichelhalterlager Engraver with a double rueckkehrmechanismus for the stichelhalterlager |
| 04/03/1990 | US4913367 Coil width detecting apparatus for coil material feeding unit |
| 03/08/1990 | WO1990002315A1 Metrological scale |
| 01/16/1990 | US4893514 Device for measuring forces in metal spinning lathes |
| 12/26/1989 | US4888993 Apparatus for measuring reduction ratio of rolled material |
| 11/28/1989 | US4883720 Process of marking hot steel ingots and product |
| 11/08/1989 | EP0341234A2 Process for marking hot steel ingots |
| 10/18/1989 | CN1005499B Method and apparatus for testing specimens from coiled strip steel |
| 09/05/1989 | US4864203 Diagnostic apparatus |
| 08/16/1989 | EP0327628A1 Orthodontic accessory with marking and process for manufacturing same |
| 07/25/1989 | US4850437 Single-blow pneumatic percussive tool |
| 06/15/1989 | WO1989005201A1 Process and device for manufacturing tubes with helically arranged seams |
| 05/24/1989 | EP0316641A2 Marking device |
| 05/10/1989 | EP0315043A2 Method for measuring roll-force in rolling mills |
| 04/18/1989 | US4821544 Method and apparatus for roll gap measurement and control |
| 04/05/1989 | CN2035284U Marking die for cylindrical surface |
| 03/22/1989 | EP0307680A1 Concrete reinforcing rod, particularly a concrete ribbed bar |
| 02/23/1989 | WO1989001318A1 Orthodontic accessory with marking and process for manufacturing same |