| Patents for B21D 53 - Making other particular articles (18,517) |
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| 11/29/1989 | EP0344117A2 Method and apparatus for rolling grooves in tool shanks |
| 11/29/1989 | EP0343314A2 Method of making a pulley |
| 11/29/1989 | CN1005901B 盘管弯曲机 Coil bender |
| 11/28/1989 | US4882926 Roll forming notches in a thin-wall power transmission member |
| 11/28/1989 | US4882925 Method of making terminal nut for ignition plug by plastic working |
| 11/23/1989 | EP0342975A2 Radiator assembly kit and method |
| 11/23/1989 | DE3815972A1 Method for the production of complex three-dimensional sheet-metal constructions, especially helical and double helical diffusors, which cannot be constructed without complicated tools |
| 11/16/1989 | WO1989010810A1 Process for manufacturing bucket wheel bodies and bucket wheel bodies so obtained |
| 11/15/1989 | CN1037201A The copper-clad-steel bimetallic tube and the preparation method thereof |
| 11/08/1989 | EP0341146A1 Automatic apparatus for the shaping and heat treatment of circular work pieces |
| 11/07/1989 | CA1262618A1 Method for manufacturing a heat shielded exhaust system component |
| 11/02/1989 | EP0340128A1 Camshaft assembling method and camshaft obtained |
| 11/02/1989 | DE3813353A1 Method for the production of cutting knives, such as knife blades for mowers |
| 10/31/1989 | US4876876 Dies for forging gear-shaped part made of sheet metal |
| 10/31/1989 | US4876779 Apparatus and method for manufacturing plate fin coils of different configurations |
| 10/31/1989 | US4876778 Method of manufacturing a motorcycle radiator |
| 10/26/1989 | DE3812774A1 Method and apparatus for the production of a tap column for bars |
| 10/25/1989 | CN1036623A Fabricated axle, especially cam spindle, crank axle and rotating exle |
| 10/19/1989 | DE3911441A1 Verfahren zur herstellung eines halbgeteilten lagers A process for producing a semi-split bearing |
| 10/17/1989 | US4874353 Grooved pulley and manufacturing method therefor |
| 10/17/1989 | US4874277 Wall fastener and method of fabrication |
| 10/10/1989 | US4872429 Method of making low friction finger follower rocker arms |
| 10/10/1989 | US4872250 Method for fabricating a dished hollow body possessing a linear or helical inner toothing |
| 10/04/1989 | CN1035966A Making technique of cold forged metal sculpture works |
| 10/03/1989 | CA1262125A1 Method of affixing tubes to headers in a heat exchanger and a heat exchanger assembly of tubes, headers, and fins |
| 09/28/1989 | DE3809369A1 Joining device |
| 09/27/1989 | EP0333805A1 Abuse resistant, safety-edge, controlled-opening convenience-feature endclosures |
| 09/27/1989 | EP0172171B1 Feeders for headed fasteners |
| 09/26/1989 | US4869645 Casting in and around the tip and root ends of an oxide-dispersion-hardened nickel alloy using a non-dispersion hardened nickel alloy; anchoring; aircraft |
| 09/26/1989 | US4869629 Blind fastener |
| 09/26/1989 | CA1260769A1 Forming chamfered flange and splines in thin-wall member |
| 09/21/1989 | DE3905808A1 Verfahren und einrichtung zur automatischen anbringung von klemmen Method and device for automatic application of clips |
| 09/19/1989 | US4866971 Method of manufacturing pronged skirt clip |
| 09/19/1989 | US4866831 Method of making a support for a synchronizing ring |
| 09/13/1989 | EP0332049A2 Method of and device for bending hollow distance profiles |
| 09/13/1989 | EP0331938A2 Apparatus for accurately attaching several components to a hollow body |
| 08/31/1989 | DE3804967A1 Method and apparatus for the production of sliding-bearing shells from laminated composite material in strip form |
| 08/30/1989 | EP0110918B1 Method and apparatus for making steering rack bars |
| 08/30/1989 | CN1035067A Forming method and device for roll-expanding by planet roll |
| 08/29/1989 | US4860570 Low tonnage high quality thread stamping |
| 08/29/1989 | US4860421 Method for assembling plate type heat exchangers |
| 08/23/1989 | CN1034872A Bending apparatus for foming serpentine pipes |
| 08/22/1989 | US4858686 Heat exchanger |
| 08/22/1989 | US4858305 Single station tension hairpin tube expander |
| 08/22/1989 | US4858296 Method for tension expanding tubes |
| 08/22/1989 | US4858295 Method of making a camshaft for reciprocating piston engines |
| 08/16/1989 | EP0328476A2 Method for fabricating integrally bladed rotors |
| 08/16/1989 | EP0328305A1 Cable tie |
| 08/16/1989 | EP0328095A2 Method of producing a gas burner head from a blank of sheet metal |
| 08/16/1989 | EP0328010A1 Composite camshaft and its manufacturing process |
| 08/16/1989 | EP0328009A2 Assembled shaft, especially a camshaft, crankshaft or gear box shaft |
| 08/15/1989 | US4856165 Method for producing by welding a finned heat exchanger pipe |
| 08/10/1989 | WO1989007022A1 Method for the protection of a coiled tube heat exchanger |
| 08/08/1989 | US4854150 Method of bending and forming heated tubular workpieces |
| 08/08/1989 | US4854024 Method of making multi-stream thin edge orifice disks for valves |
| 08/03/1989 | DE3801104A1 Method for the production of a light-alloy wheel |
| 08/02/1989 | EP0326047A2 Apparatus for profiling wheel rims |
| 08/02/1989 | EP0325947A2 Progressive method and die for punched parts |
| 08/01/1989 | US4852375 Rack assembly for forming splines in thin-wall member |
| 07/27/1989 | DE3800739A1 Radiator, particularly for an internal combustion engine |
| 07/26/1989 | EP0325121A2 Anchoring piece |
| 07/26/1989 | CN1034151A Versatile tube bending and forming processes and apparatus for making bicycls handllbars |
| 07/25/1989 | US4850101 Dual-station flexible hairpin tube expansion apparatus |
| 07/19/1989 | EP0324500A1 Composite shaft with integrated drive elements |
| 07/19/1989 | EP0324499A1 Method for producing a composite shaft |
| 07/19/1989 | EP0324498A1 Drive shaft composed of several layers |
| 07/19/1989 | EP0324226A1 Heat exchanger with individual headers |
| 07/19/1989 | CN1004794B Toolroom machine for connecting tube with tubeplate of heat exchanger |
| 07/18/1989 | US4848125 Wheel rim forming machine |
| 07/18/1989 | US4847966 Method of making a matrix for a catalytic reactor for the purification of exhaust gas |
| 07/18/1989 | US4847965 Method of manufacturing stamp formed mufflers |
| 07/13/1989 | WO1989006322A1 Expanding sleeve of anchor bolt and method of manufacturing same |
| 07/12/1989 | EP0323456A1 Process and apparatus for the cold shaping of pipes or fittings, and articles thus obtained. |
| 07/11/1989 | US4846764 Constant velocity joint cage and method for making same |
| 07/11/1989 | US4846268 Heat exchanger with individual twinplate headers |
| 07/11/1989 | CA1257248A1 Heat exchanger |
| 07/04/1989 | US4843860 For creating a bell |
| 07/04/1989 | US4843694 Method of making a clutch rotor for an electromagnetic clutch |
| 06/29/1989 | WO1989005914A1 Thin edge orifice disk for fuel injectors and process for manufacturing |
| 06/29/1989 | WO1989005699A1 Method of manufacturing diaphragm springs |
| 06/27/1989 | US4842185 Soldering with a flux containing zinc chloride and zinc powder in an inert gas atmosphere |
| 06/27/1989 | US4841614 Method for fabricating integrally bladed rotors |
| 06/21/1989 | EP0320789A2 Connecting method |
| 06/20/1989 | US4840054 Arrangement for profiling forwardly indexed material webs |
| 06/20/1989 | US4839952 Process for manufacturing toothed parts |
| 06/20/1989 | US4839951 Process for the installation of tubes in a steam generator |
| 06/20/1989 | US4839950 Method for making a tube and fin heat exchanger |
| 06/15/1989 | WO1989005203A1 Device for shaping a rotationally symmetrical sheet metal object, for example a pulley blank |
| 06/14/1989 | EP0319979A1 Apparatus for working hollow sheet metal objects, e.g. a pulley blank |
| 06/13/1989 | US4838069 Apparatus for fabricating integrally bladed rotors |
| 06/13/1989 | CA1255576A1 Method and apparatus for making a surface-lined article |
| 06/13/1989 | CA1255483A1 Method of manufacturing a motionless mixer |
| 06/07/1989 | EP0318749A1 Process and device to produce spacer frames |
| 06/07/1989 | EP0318748A2 Apparatus for bending a hollow profile, in particular a frame of spacekeeping profiles for insulating glass panes |
| 06/06/1989 | US4837418 Method and apparatus for forming welded rings |
| 06/06/1989 | US4835828 Automatic tube expander for a heat exchanger |
| 06/06/1989 | US4835825 Machine for manufacturing a roof vent having a lead base |
| 06/06/1989 | CA1255080A1 Manufacturing process of single-faced integrated circuit panels |
| 05/31/1989 | EP0317637A1 Method of bending band knife |
| 05/30/1989 | US4833905 Method for splining clutch hubs with close tolerance spline bellmouth and oil seal surface roundness |