| Patents for B21K 1 - Making machine elements (7,621) |
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| 07/27/1999 | US5928084 Tools for producing threads with varying pitch |
| 07/22/1999 | WO1999036207A1 Forging of workpieces |
| 07/20/1999 | US5924199 Steering wheel insert |
| 07/13/1999 | US5922472 Method for preparing pre-coated aluminum alloy articles and articles prepared thereby |
| 07/08/1999 | WO1999034023A1 Continuous annealing furnace, rolling bearing, annealing method, and method of manufacturing inner and outer races of deeply groove ball bearing |
| 07/07/1999 | EP0927086A1 Method for manufacturing outer parts of constant velocity joints |
| 07/07/1999 | CN1044028C Plane-gear speed reducer |
| 07/06/1999 | US5919094 Propeller shaft |
| 06/30/1999 | EP0925857A2 Speed gear and manufacturing method and apparatus for it |
| 06/29/1999 | CA2137302C Apparatus for making self-piercing nuts |
| 06/24/1999 | DE19755028A1 Aluminum shaped plate prodn |
| 06/23/1999 | EP0924440A2 Forged connecting rod of carbon steel for piston engines with breaking separated bearing sap |
| 06/17/1999 | WO1999029450A1 Process for shaping a work piece |
| 06/17/1999 | WO1999029448A1 Process for the manufacture of barbs for hose connections and hose connector obtained thereby |
| 06/17/1999 | DE19754091A1 Work piece machining process for precision forming of teeth |
| 06/16/1999 | EP0921897A1 Method of forming toothed wheels and product formed thereby |
| 06/15/1999 | US5911575 Band material, ring blank, orthodontic band and method of making |
| 06/08/1999 | US5910052 Process for manufacturing a captive screw |
| 06/03/1999 | WO1998025715A3 Method of producing a forged metal part |
| 06/02/1999 | EP0918953A1 Torque transmitting member in a clutch |
| 06/01/1999 | US5907905 Method for manufacturing a hemisphere of a hemispheric bearing |
| 06/01/1999 | CA2081936C Process of manufacturing a stamped ball joint housing with perimeter flange |
| 05/27/1999 | DE19751640A1 Forged connecting rod consisting of carbon steel, with fracture separated bearing cap |
| 05/26/1999 | EP0917917A1 Method and device for cold forming of hollow members |
| 05/25/1999 | US5906047 Manufacture of grease fittings and blanks therefor |
| 05/20/1999 | WO1999024631A1 Forged brass product and cut brass product having high corrosion resistance and method of manufacturing the same |
| 05/19/1999 | EP0916565A1 Pipe-shaped or rod-shaped article and method for its manufacture |
| 05/18/1999 | US5905939 Process for producing connecting rod |
| 05/18/1999 | US5904623 Apparatus for forming a slot in a semi-product of a bolt prior to thread formation |
| 05/18/1999 | US5904060 Sheet metal member having a peripheral wall and method of thickening the peripheral wall thereof |
| 05/14/1999 | WO1999023389A1 Spiral drive system for threaded fasteners |
| 05/14/1999 | WO1999022891A1 Fastener forming machine |
| 05/12/1999 | CN2317976Y Safety device for rear-support discharge mechanism of forging-product forming machine |
| 05/12/1999 | CN2317975Y One-time formed moving-mould-core for cold heading D-type mean axis of bicycle |
| 05/11/1999 | US5902546 An alloy of aluminum iron, vanadium, molybdenum, zirconium, titanium and impurities formed by sparying the alloy with an inert gas by spraying and rapid solidifying while simultaneously depositing the alloys; heat resistance |
| 05/06/1999 | EP0912270A1 Method for producing axially symmetric parts and the article |
| 05/06/1999 | DE19850155A1 Hemispherical slide piece for swing disc compressor |
| 05/05/1999 | CN2317027Y Hot forging gear blank die device |
| 05/05/1999 | CN1215645A High pressure joint communicating tube shaping method, cold-forging die and clamp for turning it |
| 05/04/1999 | US5900080 Thixotropic forming process for wheels fashioned in rheocast metal alloy and fitted with pneumatic tires |
| 05/04/1999 | US5899499 Sent belt anchorage plate for seat belt device and method of manufacturing same |
| 05/04/1999 | US5899131 Apparatus and method for providing pockets in a roller cage of a bearing assembly and a roller cage produced by such an apparatus and method |
| 05/04/1999 | US5898997 Method for manufacturing a wheel bearing spindle |
| 04/29/1999 | WO1999020416A1 Method of manufacturing a shaft having a fluid passage |
| 04/29/1999 | WO1999020412A1 A method for manufacturing a shaft with refined surface |
| 04/28/1999 | CN1214974A Cold-forging forming method for cover of gas generator of car safety air-bag |
| 04/21/1999 | EP0909339A2 Method for processing billets from multiphase alloys and the article |
| 04/21/1999 | EP0909228A1 Compacted-powder opposed twin-helical gears and method |
| 04/21/1999 | CN1214284A Powder compacting apparatus |
| 04/21/1999 | CN1043017C Working method of tapered hole |
| 04/20/1999 | US5895324 Process for forming axially-extendable bolt by upsetting |
| 04/20/1999 | US5894753 Method of producing splines on a shaft |
| 04/20/1999 | US5894752 Method and system for warm or hot high-velocity die forging |
| 04/20/1999 | US5894662 Method of making a trunnion |
| 04/14/1999 | EP0908636A1 Self-piercing rivet and method of manufacturing the same |
| 04/14/1999 | EP0907437A1 Procede for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation |
| 04/14/1999 | EP0775027B1 Method of manufacturing a hollow spindle |
| 04/13/1999 | US5893290 Screwhead forming apparatus |
| 04/06/1999 | CA2100309C Device for and method of forging a helical gear |
| 04/01/1999 | DE19742519A1 Sleeve seat making process for cardan shaft |
| 03/31/1999 | EP0739256B1 Method of making a screw thread on a corrugated bar |
| 03/18/1999 | WO1999012674A1 A method of producing an article |
| 03/17/1999 | CN1210767A Apparatus for and method of sizing helical gears |
| 03/16/1999 | US5881946 Method of manufacturing a hollow spindle |
| 03/11/1999 | WO1998040527A3 Microalloyed bearing steel for cold forming, method for manufacturing finished and semi-finished products therefrom |
| 03/11/1999 | DE19839613A1 Valve element manufacturing method for hydraulic valves |
| 03/11/1999 | DE19807017A1 Method and apparatus for producing a rotationally symmetric workpiece with internal teeth |
| 03/09/1999 | US5878496 Method of manufacturing a component |
| 03/09/1999 | US5878493 Method of forming toothed wheels |
| 03/09/1999 | US5878491 Process for the manufacture of a forged connecting rod |
| 03/04/1999 | DE19839064A1 Apparatus for powder compacting |
| 03/04/1999 | DE19738180A1 Metal pin element for connecting furniture parts or for electrical contact pin |
| 03/03/1999 | EP0899036A2 Apparatus for and method of sizing helical gears |
| 03/03/1999 | CN1042305C Forming process for hollow sucker and and die thereof |
| 03/03/1999 | CN1042304C Pumping-rod forging-forming process and die thereof |
| 03/02/1999 | US5878323 Process for producing split type mechanical part |
| 03/02/1999 | US5876525 Bobbin body and process for producing the same |
| 02/25/1999 | WO1999008820A1 Method for producing a gear wheel, device for carrying out the method, and wheel produced by this method |
| 02/25/1999 | DE19820124A1 Steering rod tube production |
| 02/24/1999 | EP0897767A1 Vehicle steering rack and method of manufacturing the rack |
| 02/24/1999 | EP0726826B1 Finished forged sprocket segment method and apparatus |
| 02/18/1999 | WO1999007904A1 Face-gear forging method |
| 02/18/1999 | WO1999007497A1 Full enclosed die forging method, full enclosed die forging apparatus, and product of forging |
| 02/18/1999 | DE19744639A1 Procedure for manufacture of gearwheel teeth |
| 02/17/1999 | EP0800425B1 Method of manufacturing internally geared parts |
| 02/16/1999 | US5871402 Composite internally threaded fastener and method of making the same |
| 02/16/1999 | US5871140 Hollow shaft and method of making same |
| 02/16/1999 | US5870923 Forging method |
| 02/11/1999 | WO1999006735A1 One-piece flywheel having outer ring gear portion, and process of manufacturing the same |
| 02/11/1999 | WO1999006174A1 Method for making a plurality of metal parts by cleavage fracture of a pre-blank of a plurality of parts |
| 02/11/1999 | WO1999006164A1 Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same |
| 02/10/1999 | EP0865938A4 Method of producing light alloy wheels |
| 02/09/1999 | US5868050 Process and device for the continuous, chipless separation of individual rings from tubular workpieces |
| 02/09/1999 | US5867901 Method for producing a bevel gear shaft |
| 02/03/1999 | CN2306091Y Cold stamping forming die for multi-elbow crankshaft |
| 02/02/1999 | US5865055 Spline forming die |
| 01/27/1999 | EP0893177A1 Method for the production of a toothed workpiece |
| 01/26/1999 | US5863103 Light-metal strip wheel |
| 01/26/1999 | US5862701 Apparatus for manufacturing steering rack bars |
| 01/20/1999 | EP0891825A2 Method for processing the journals of tripod universal joints |