| Patents for B21H 5 - Making gear wheels (1,111) |
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| 01/08/2003 | EP1272310A1 Toothing for a synchronising unit |
| 01/03/2003 | WO2003000443A1 Rolling method with round dies |
| 01/03/2003 | WO2003000442A1 Method of rolling worm gear and the worm gear |
| 01/02/2003 | US20030000069 Method for producing a shaft and a device containing a shaft of this type |
| 01/02/2003 | EP1268102A1 Gear wheels roll formed from powder metal blanks |
| 12/18/2002 | EP1027179B1 Method and device for producing a toothed wheel |
| 12/17/2002 | US6494072 Method of and device for forming a clutch gear toothing on gearwheels for change speed gears |
| 12/12/2002 | US20020184767 Gear part and method for forming a gear part |
| 12/11/2002 | EP1263539A1 Component with a hub, and non-cutting production method therefor |
| 11/26/2002 | US6484401 Gear part and method for forming a gear part |
| 11/20/2002 | EP1119426B1 Tool for producing a gear part having external toothing |
| 11/12/2002 | US6477755 Gear burnishing system having pre-checking station |
| 11/05/2002 | US6474280 Valve timing control system and method of producing valve timing control system |
| 10/29/2002 | US6470724 Tool for producing a gear part having external toothing |
| 10/17/2002 | DE10118391A1 Method for grinding of gear hobbing tools using rolling machine with roller spindles to support hobbing tools, and grinding tool |
| 09/19/2002 | DE10150308A1 Production of a composite part used in motor vehicle technology comprises producing, without cutting, outer gear teeth on the outer periphery of a bushing to simultaneously radially expand the bushing |
| 09/17/2002 | US6449845 Method of manufacturing a gear part |
| 09/12/2002 | DE10148908A1 To shape a tooth and/or profile at a shaft, the shaft is fitted to the electromotor and/or gearing for the tooth/profile to be shaped as a fitted component in mass production |
| 09/04/2002 | CN1367056A Continuous local plastic precision forming device of automobile half axle gear and its process |
| 07/23/2002 | US6422924 Process for widening the crown of cylindrical-type gears by continuous diagonal hobbing |
| 07/11/2002 | US20020090314 Process to manufacture a sintered part with a subsequent shaping of the green compact |
| 07/03/2002 | EP1219366A2 Method for manufacturing a profile, especially a thread, on steel rods and installation and device therefor |
| 06/20/2002 | WO2002047843A1 Method for roller spinning and a corresponding roller spinning device |
| 06/11/2002 | US6401562 Method for producing gear wheels from blanks obtained by sintering metal powders |
| 06/06/2002 | WO2002043897A1 Method and device for producing a toothed wheel |
| 06/06/2002 | US20020066183 Full form roll finishing technique |
| 06/04/2002 | CA2146042C Method and apparatus for manufacturing toothed gears |
| 05/30/2002 | US20020062671 Rolling machine capable of forming different types of teeth simultaneously |
| 05/29/2002 | EP1208927A2 Rolling machine capable of forming different types of teeth simultaneously |
| 05/29/2002 | CN2493332Y Fully automatic gear making machine with speed-regulating motor |
| 05/08/2002 | DE10147099A1 Verfahren und Vorrichtung zur Herstellung eines zylindrischen Teils und zylindrisches Teil mit Keilen Method and device for manufacturing a cylindrical part and a cylindrical part with wedges |
| 04/25/2002 | DE10050202A1 Method to fabricate rotary symmetrical formed bodies, e.g. transmission components has tool holder with forming rollers to process two blanks at the same time |
| 04/18/2002 | US20020043094 Tooth rolling flat dies and method for forming teeth |
| 04/11/2002 | US20020040835 Method and apparatus for manufacturing a cylindrical member, and cylindrical member having splines |
| 04/09/2002 | US6367300 Sprocket with thin body and grooved teeth |
| 03/27/2002 | EP1017518B1 Flowturning device and method for producing internal geared wheels with two sets of inner toothing |
| 03/19/2002 | US6357272 Method and device for producing a toothed wheel |
| 03/07/2002 | US20020026915 Valve timing control system and method of producing valve timing control system |
| 03/05/2002 | US6351886 Method of manufacturing a speed gear |
| 02/19/2002 | US6348001 Power transmission member |
| 02/06/2002 | EP1177610A1 Method for producing a shaft and a device containing a shaft of this type |
| 02/05/2002 | US6343497 Method of manufacturing a speed gear and an apparatus for manufacturing a speed gear |
| 01/24/2002 | WO2002005985A1 Method for producing a shaft and device containing one such shaft |
| 01/24/2002 | US20020007541 Gear burnishing system having pre-checking station |
| 01/24/2002 | DE10034410A1 Verfahren zum Herstellen einer Welle sowie Vorrichtung beinhaltend eine solche Welle A process for producing a shaft and apparatus including such a wave |
| 01/09/2002 | CN2470028Y Gear finish-rolling machine |
| 01/03/2002 | DE10031652C1 Tool, for cross rolling toothings, has rolling zone next to adjacent calibration zone, each with teeth, where tooth distribution varies in rolling zone and has outlet zone to release forces |
| 01/01/2002 | US6334349 Method for the manufacturing of a shaft with a larger diameter flange |
| 12/19/2001 | EP1163064A1 Apparatus and method for roll forming gears |
| 12/18/2001 | US6330836 Steel for gear drive plate gear and method for producing the drive plate gear |
| 12/13/2001 | WO2001094048A1 Cold rolling machine |
| 12/13/2001 | DE10062002A1 Pressure rolling process to produce workpiece with internal shaping involves producing blank on mandrel at pre-mold torque defined by stop element. |
| 12/13/2001 | DE10028740A1 Profile rolling machine, has segmenting tool freely rotatable or fixed to roll spindle for profile rolling tool |
| 12/13/2001 | DE10028165A1 Cold rolling machine comprises two profiled rollers moving in opposite directions and each arranged on a guide over a carriage, and an adjusting device having an adjustment drive |
| 12/12/2001 | EP1161315A1 Method and apparatus for densifying powder metal preforms |
| 12/12/2001 | EP0921897B1 Method of forming toothed wheels and product formed thereby |
| 11/08/2001 | DE10018093A1 Verzahnung für eine Synchronisiereinheit Gearing for a synchronization |
| 10/25/2001 | WO2001078940A1 Toothing for a synchronising unit |
| 10/17/2001 | EP0907437B1 Procede for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation |
| 10/16/2001 | US6301945 Rack slide assembly and machine for rolling splines in a round workpiece |
| 10/11/2001 | WO2001074514A1 Gear wheels roll formed from powder metal blanks |
| 10/04/2001 | US20010025520 Method of and device for forming a clutch gear toothing on gearwheels for change speed gears |
| 09/19/2001 | EP1133374A1 Method for producing a sintered part with a subsequent shaping of the green compact |
| 09/13/2001 | WO2001066280A1 Method for adjusting the reference of inclination between the grooved rolls of a shape mill |
| 09/13/2001 | DE10011681A1 Profile rollers setting method for profile rolling machine uses measured inclination difference for adjusting relative rotation position between rolling spindles |
| 09/07/2001 | WO2001065668A1 Method for producing a shaft and a device containing a shaft of this type |
| 08/28/2001 | US6279366 Item with external teeth and method of forming the same |
| 08/23/2001 | WO2001060543A1 Component with a hub, and non-cutting production method therefor |
| 08/22/2001 | EP1125655A2 Method and apparatus for producing external toothing on a rotarily mounted workpiece |
| 08/22/2001 | EP1124658A1 Vertically movable forming racks |
| 08/16/2001 | DE10005438A1 Method to manufacture coupling tooth on one-part gear; involves guiding one or more profiled non-cutting shaping tools in position towards the work piece to rotate with respect to work piece |
| 08/07/2001 | US6269670 Method for forming a workpiece by flow-forming |
| 08/01/2001 | EP1119426A1 Tool for producing a gear part having external toothing |
| 07/31/2001 | CA2297342A1 Wave-cut-press-pulsating method of and apparatus for cold-forming toothed metal elements of machines |
| 07/05/2001 | US20010005999 Power transmission member |
| 07/05/2001 | US20010005938 Hypoid ring gear for differentials and method of producing the same |
| 07/05/2001 | DE19963477A1 Device for finishing and dressing internal toothing in an internal geared wheel causes a retainer for the internal geared wheel to rotate around this wheel's axis with a rotating finishing gearwheel to engage internal toothing. |
| 07/03/2001 | US6253589 Flow-turning device and method for producing internally geared wheels using two sets of internal toothing |
| 06/26/2001 | US6250123 Method, apparatus and rack for making power transmission member |
| 06/21/2001 | DE19958343A1 Production of a hollow shaft having an outer contour with at least one wave section used in gears comprises processing the inner or outer diameter or at least a flange section of a bowl-like preform by pressure rolling |
| 06/19/2001 | US6247376 Rollable enveloped worm with two curve profile |
| 05/24/2001 | US20010001367 Method for forming a workpiece by flow-forming |
| 05/17/2001 | US20010001165 Method of manufacturing a speed gear and an apparatus for manufacturing a speed gear |
| 05/08/2001 | US6227024 Flow forming method and device |
| 04/19/2001 | DE10045553A1 Forming process for cylindrical part with key ways, e.g. front cover of torque converter uses mandrel and roller to form thick wall section, and forming rollers to form key ways |
| 04/11/2001 | CN1064283C One-stage forming device for multi-groove tooth |
| 03/27/2001 | US6205832 Flow-forming method and apparatus |
| 03/21/2001 | EP1084775A2 Power transmission member and method, apparatus and rack for making same |
| 03/15/2001 | DE10031878A1 Internally cogged element has first cylinder section and second cylinder section with larger diameter and with internal cogged areas protruding from inner circumferential surface |
| 03/15/2001 | DE10006172A1 Process for press rolling inner-interlocked metallic parts comprises relieving the tooth feet of the negative teeth of the molded tool on press rolling by an elastic deformation of the molded tool |
| 03/14/2001 | CN1063112C Gear rolling cold-forging forming machine and feeding equipment thereof |
| 02/22/2001 | DE10032578A1 Drive cog wheel system has shaft in two sections with different diameters, wormgear thread and cogs |
| 02/15/2001 | DE10020762A1 Fabrication process for hollow shafts for motor vehicle drive trains uses solid blank to cold-form end and neck sections with serration toothings, and apply low-friction coating |
| 01/31/2001 | EP1072337A1 Flat-die type rolling machine having device for fastening together die-support frame members and method of fastening the same |
| 01/17/2001 | EP1068912A2 Hypoid ring gear for differentials and method of producing the same |
| 01/09/2001 | US6170156 Gear tooth smoothing and shaping process |
| 01/02/2001 | US6168754 Method and apparatus for densifying powder metal preforms |
| 12/27/2000 | EP1063032A1 Method for producing gear wheels from blanks obtained by sintering metal powders |
| 12/22/2000 | CA2311575A1 Method for producing gear wheels from blanks obtained by sintering metal powders |
| 12/21/2000 | WO2000076689A1 Method and device for machining a shaft-hub joint with tight-fitting toothing |