| Patents for B21H 7 - Making articles not provided for in groups , e.g. agricultural tools, dinner forks, knives, spoons (1,122) |
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| 01/09/2000 | CA2275559A1 Method for forming a workpiece by flow-forming |
| 12/30/1999 | DE19828086A1 Cutting shaft for paper or plastics shredders |
| 12/28/1999 | US6006415 Techniques for transferring holograms into metal surfaces |
| 12/09/1999 | DE19924062A1 Production system for vehicle wheels with steel rims |
| 12/01/1999 | EP0960685A1 Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article |
| 12/01/1999 | CN1046881C Process for hard-rolling component |
| 11/30/1999 | US5992597 Multiple disk clutch and method and apparatus for forming clutch drum |
| 11/16/1999 | CA2184624C Deep rolling split-pin fillets of crankshafts |
| 11/10/1999 | EP0955110A2 Method and device for flow-turning |
| 11/07/1999 | CA2271115A1 Flow forming method and device |
| 11/02/1999 | US5975987 Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article |
| 10/21/1999 | WO1999052638A1 Method for debasing coins, devices suitable for carrying out such a method as well as debased coins |
| 09/23/1999 | DE19811409A1 Wire forming process for wire with periodically changing diameter |
| 09/21/1999 | US5953949 Method and apparatus for producing a metal strip having areas of different thickness over its width |
| 09/21/1999 | US5953947 Method and apparatus for forming a profile in a wall of a hollow cylindrical work piece |
| 09/16/1999 | WO1999046521A1 Method for making a metal cylinder sleeve |
| 09/16/1999 | DE19810265A1 Metal cylinder liner production for use in internal combustion engine |
| 09/14/1999 | US5950475 Mechanical coin feed for a souvenir penny press |
| 09/09/1999 | DE19807685A1 Verfahren zum Herstellen eines in ein Leichtmetall-Kurbelgehäuse einer Hubkurbelmaschine einzugießenden Rohlings einer Zylinderlaufbuchse A method of manufacturing a light metal be cast into a crankcase of a cylinder liner blank Hubkurbelmaschine |
| 09/02/1999 | WO1999043457A1 Method for producing a cylinder liner blank to be cast into a light-alloy crankcase of a reciprocating engine |
| 08/31/1999 | US5943893 A workpiece |
| 08/26/1999 | DE19807160A1 Method for producing cage for taper bearings |
| 08/18/1999 | CN2333462Y Mechanical forming device for hoes |
| 08/12/1999 | WO1999039851A1 Method of producing circular cylinder member |
| 08/10/1999 | US5934126 Internally toothed member and method and apparatus for forming the same |
| 08/03/1999 | US5931038 Method of machining bore surface of cylinder block and apparatus therefor |
| 07/22/1999 | WO1999036206A1 Method and device for producing hollow bodies by means of cross-rolling |
| 07/21/1999 | CN2329462Y Metallic tube coining mill |
| 07/13/1999 | CA2149305C Method of making machine-engraved seamless tube |
| 07/06/1999 | US5918497 Metalworking method wherein formed configuration locates blank |
| 06/30/1999 | EP0926361A1 Pin, pin and washer fastener, washer for the fastener and pin-making method |
| 06/24/1999 | WO1999031557A1 Techniques for transferring holograms into metal surfaces |
| 06/10/1999 | WO1999028070A1 Point contact densification of sintered metal powder |
| 06/03/1999 | WO1999026785A1 Method for embossing holograms into aluminum and other hard substrates |
| 05/27/1999 | WO1999025500A1 Method for producing a metal strip and device for reducing the risk of such a strip breaking |
| 05/26/1999 | CN2320352Y Special steel plate for pliers |
| 05/25/1999 | US5906127 Method and apparatus for forming internal spline ring |
| 05/18/1999 | US5904060 Sheet metal member having a peripheral wall and method of thickening the peripheral wall thereof |
| 05/12/1999 | DE19749162A1 Production of profiles intended for further manufacturing processes |
| 05/12/1999 | CN2317965Y Tubing-knurling axial automatic driving-reversing processing apparatus |
| 04/29/1999 | WO1999020416A1 Method of manufacturing a shaft having a fluid passage |
| 04/28/1999 | CN2316055Y Step push-rolling pressure head |
| 04/15/1999 | DE19743627A1 Internal combustion engine cylinder running liner |
| 03/31/1999 | EP0904865A2 Method and apparatus for forming a metal band having areas of different thickness across its width |
| 03/16/1999 | US5881444 Techniques for transferring holograms into metal surfaces |
| 03/11/1999 | DE19830816A1 Method and apparatus for flow rolling |
| 03/11/1999 | DE19807017A1 Method and apparatus for producing a rotationally symmetric workpiece with internal teeth |
| 02/17/1999 | EP0896843A1 Methods for manufacturing a pivot and a jack; a pivot and a jack |
| 02/17/1999 | EP0800425B1 Method of manufacturing internally geared parts |
| 02/02/1999 | US5865055 Spline forming die |
| 01/28/1999 | WO1999003618A1 Device and method for moulding a grooved structure into a tubular workpiece |
| 01/26/1999 | US5862700 Method and apparatus for forming a profile in a wall of a hollow cylindrical work piece |
| 01/21/1999 | DE19731055A1 Vorrichtung und Verfahren zum Einformen einer Rillenstruktur in ein rohrförmiges Werkstück Apparatus and method for molding a groove structure into a tubular workpiece |
| 01/20/1999 | EP0891825A2 Method for processing the journals of tripod universal joints |
| 01/20/1999 | CN1205258A Apparatus for manufacturing rotary blade for use in agricultural machines |
| 01/07/1999 | DE19726697A1 Verfahren zum Herstellen einer Zahnstange A method of manufacturing a rack |
| 12/30/1998 | WO1998058754A1 Method for producing a rack |
| 12/17/1998 | DE19743093C1 Production of a metal strip with regions of different thickness over its width |
| 12/10/1998 | DE19830817A1 Internal toothing flow-turning process for workpieces |
| 12/09/1998 | EP0882640A2 Reinforcement for vehicle hollow structural member, having decreasing thickness end portions |
| 12/03/1998 | WO1998053934A1 Flowturning device and method for producing internal geared wheels with two sets of inner toothing |
| 12/03/1998 | DE19823460A1 Multiple disc clutch for automotive vehicles |
| 12/03/1998 | DE19722359A1 Drückwalzvorrichtung und Verfahren zur Herstellung von Hohlrädern mit zwei Innenverzahnungen Flow-forming device and procedure for the production of hollow wheels with internal toothings two |
| 12/03/1998 | DE19722310A1 Cold rolling machine |
| 12/02/1998 | EP0881041A2 Burnishing machine for crankshafts |
| 11/24/1998 | US5839644 Method of coupling and forming copper fittings with solder therein |
| 11/19/1998 | WO1998051432A1 Support tool for deep rolling crankshaft fillets |
| 11/18/1998 | EP0750534A4 Deep rolling split-pin fillets of crankshafts |
| 11/17/1998 | US5836826 Machine for making star nails |
| 11/17/1998 | US5836431 Transmission clutch housing formed from a single piece of metal and method for making the same |
| 10/07/1998 | CN1195306A Method and device for producing pressure-rolled pipes with thickened inner wall sections at ends |
| 10/01/1998 | DE19712985A1 Method for machining of pins on workpieces such as tripods, spiders etc |
| 09/22/1998 | US5810670 Method of manufacturing connector bolt |
| 09/22/1998 | US5809822 Method of producing a metallic hollow body with a breaking line |
| 09/22/1998 | US5809820 Spring washer and method for making the same |
| 08/18/1998 | US5794475 Apparatus and process for manufacturing profiled bodies |
| 08/13/1998 | DE19704505A1 Pipe coupling bolt mfg method |
| 08/11/1998 | US5791997 Method and apparatus for fabricating one piece all metal prevailing torque locknut fasteners |
| 08/11/1998 | US5791183 Apparatus and method for cold forming a ring on a lead alloy battery terminal including an anti-torque structure |
| 07/22/1998 | EP0853529A1 Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article |
| 07/22/1998 | EP0690768B1 Process for hard-rolling a component |
| 07/21/1998 | US5782122 Spinning roller for splitting a rotationally symmetrical workpiece |
| 07/21/1998 | US5782121 Apparatus for the inner profiling of tubes or pipes |
| 07/16/1998 | DE19801491A1 Production of hollow workpieces by cross-rolling |
| 07/07/1998 | US5775411 Heat-exchanger tube for condensing of vapor |
| 07/01/1998 | EP0850114A1 Method and device for producing pressure-rolled pipes with thickened inner wall sections at the ends |
| 06/23/1998 | US5768763 Method and apparatus for grooving on rotor |
| 06/18/1998 | DE19755342A1 Method for holding and forming a workpiece |
| 05/28/1998 | DE19637968A1 Production of a leaf of a parabolic spring used in the car industry |
| 05/06/1998 | EP0839607A1 Tool mechanisms for deep rolling machines |
| 04/16/1998 | DE19722308C1 Static cylinder machine for crankshafts |
| 04/02/1998 | DE19639081A1 Toothed transmission gear ring manufacturing method |
| 03/03/1998 | US5722281 Apparatus for manufacturing an automotive steering rack |
| 02/17/1998 | US5718140 Method for manufacturing a rotationally symmetrical work-piece of steel |
| 01/29/1998 | DE19732146A1 Internal spline cutting process |
| 01/28/1998 | EP0788419A4 Method and apparatus for making crankshafts |
| 01/28/1998 | EP0725727A4 Method of making machine-engraved seamless tube |
| 01/27/1998 | US5711174 Roll forming method and device |
| 01/15/1998 | WO1998001246A1 Shaped article of sheet metal having peripheral wall and method of increasing peripheral wall thickness |
| 12/23/1997 | US5699692 Tool mechanisms for deep rolling machines |