| Patents for B21H 5 - Making gear wheels (1,111) |
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| 04/01/2009 | EP1611260A4 Method and apparatus for strengthening of powder metal gears by ausforming |
| 03/24/2009 | CA2465454C Working method and device for smoothing gearwheels |
| 03/19/2009 | WO2009033927A1 Machine tool for providing workpieces with toothed sections and method for providing a workpiece with a toothed section using a machine tool |
| 03/18/2009 | CN101389429A Sintered gear element featuring locally selective surface compression |
| 03/12/2009 | DE102007044283A1 Werkzeugmaschine zur Herstellung von Verzahnungen an Werkstücken und Verfahren zur Herstellung einer Verzahnung an einem Werkstück mittels einer Werkzeugmaschine Machine tool for the production of teeth on workpieces, and procedures for preparing a tooth on a workpiece by means of a machine tool |
| 03/11/2009 | EP2032281A1 The system for manufacturing linear gear and the method thereof |
| 02/26/2009 | DE102007039959A1 Cold-rolling method for lengthwise teeth and profile of long wave-like workpiece e.g. gear wheel, involves reversing round rolling tool and advancing other rolling tool for rolling other profile section |
| 02/19/2009 | US20090044586 Gear-rolling apparatus |
| 02/18/2009 | EP2025429A1 Method of operation of a gear-working machine |
| 02/18/2009 | EP2024111A1 Device and method for producing profiled bodies |
| 02/12/2009 | WO2009018992A1 Profile-rolling machine |
| 02/11/2009 | EP2022576A1 Method of improving the running performance of gearwheels and gear finishing machine for implementing the method |
| 02/05/2009 | WO2006131356A3 Work piece having different qualities |
| 02/03/2009 | CA2399102C Component with a hub, and non-cutting production method therefor |
| 12/24/2008 | EP1660363B1 Machine element |
| 12/09/2008 | CA2454461C Crankshaft damper with integral pulse ring and method for production |
| 12/03/2008 | CN100439004C Cold precise forming technology and equipment of spur gear |
| 11/26/2008 | CN201154383Y Tooth difference tooth position adjustment device |
| 11/20/2008 | WO2008139323A2 Powder metal internal gear rolling process |
| 11/13/2008 | DE102007021450A1 Method for manufacturing component with gear teeth, involves engaging or attaching component in or at tool with rotational axis, where building up of deformation force take place by concentric arrangement of component and tool |
| 10/29/2008 | CN100429018C Device and method for producing tooth-like profiled sections on workpieces |
| 10/29/2008 | CN100429012C Automatic gear alignment system for gear extrusion processing |
| 10/29/2008 | CN100429011C Automatic tooth mesh device for burnishing |
| 10/02/2008 | WO2008116243A1 Method and device for machining a toothing on a sintered part |
| 10/02/2008 | CA2680320A1 Method and device for machining a toothing on a sintered part |
| 09/25/2008 | WO2008113188A1 Method for manufacturing a toothed disc and the toothed disc manufactured thereby |
| 09/25/2008 | WO2006131349A3 Sintered gear element featuring locally selective surface compression |
| 09/25/2008 | CA2680890A1 Method for manufacturing a toothed disc and the toothed disc manufactured thereby |
| 08/28/2008 | WO2008057194A3 Method of forming a gear |
| 07/30/2008 | CN101229615A Method of manufacturing bit tool used for cutting plastic film particle |
| 07/02/2008 | CN100398255C Manufucturing method of notch wheel having 90-180 teeth and notch wheel made by said method |
| 06/26/2008 | DE10211135B4 Verfahren und Vorrichtung zur Herstellung eines Formkörpers Method and apparatus for producing a shaped article |
| 06/25/2008 | CN100396399C A device for forming tooth form of sprocket gear for power transmission apparatus of cahinless bicycle |
| 06/18/2008 | EP1932616A1 Method of manufacturing elongated rotating mechanical parts |
| 06/04/2008 | CN101193719A Blank geometry of an undersized gear made of sintered material |
| 06/04/2008 | CN101193718A Automotive component comprising a toothed section |
| 06/04/2008 | CN101193717A Hardness and roughness of a toothed section from a surface-densified sintered material |
| 06/04/2008 | CN101193716A Surface-densified toothed section from a sintered material and having special tolerances |
| 05/15/2008 | DE10317506C5 Verfahren zum Herstellen eines hohlen Werkstücks und nach dem Verfahren hergestelltes hohles Werkstück Method produced for manufacturing a hollow workpiece and the procedure hollow workpiece |
| 05/15/2008 | DE102006051979A1 Toothed wheel and/or toothed body rolling forming device for vehicle, has wheel forming tool and pinion gear forming tool holder relatively rotated around axis of gear tool to bring about teeth of pinion tool with respect to raw part |
| 05/08/2008 | US20080105021 Method of forming a gear |
| 05/07/2008 | EP1272310B1 Toothing for a synchronising unit |
| 05/02/2008 | WO2008049145A1 Method for the production of a one-piece metallic multiple wheel, preform for the production thereof, and multiple wheel |
| 05/02/2008 | CA2667339A1 Method for the production of a one-piece metallic multiple wheel, preform for the production thereof, and multiple wheel |
| 04/30/2008 | CN201052548Y Grain-rolling machine for processing straight grain on long cone surface |
| 04/30/2008 | CN101171094A Rolling tool for spline machining and method of manufacturing the same |
| 04/30/2008 | CN101168183A Gear wheel precision hot rolling extruding and grinding machine and processing method thereof |
| 04/08/2008 | US7353679 Coldforming machine |
| 03/05/2008 | EP1893373A2 Surface compression of a toothed section |
| 03/05/2008 | CN100372626C Method of manufacturing part with internal gear and rolling machine |
| 02/27/2008 | EP1890832A1 Hardness and roughness of a toothed section from a surface-densified sintered material |
| 02/27/2008 | EP1890831A2 Blank geometry of a gear |
| 02/26/2008 | US7334444 Method for producing a gearwheel |
| 02/20/2008 | EP1888279A2 Automotive component comprising a toothed section having asymmetrical surface compression |
| 02/20/2008 | EP1888278A2 Work piece having different qualities |
| 02/20/2008 | EP1888277A1 Surface-densified toothed section from a sintered material and having special tolerances |
| 02/20/2008 | EP1888276A2 Sintered gear element featuring locally selective surface compression |
| 02/19/2008 | US7331206 Method of fabricating component having internal teeth and rolling machine thereof |
| 02/07/2008 | DE10011681B4 Verfahren und Profilwalzmaschine zum Einstellen der Steigungs-Referenz zwischen den Profilwalzen einer Profilwalzmaschine Process and roll-forming machine for setting the reference slope between the profile rollers of a roll-forming machine |
| 01/22/2008 | CA2307562C Method and apparatus for producing a gear wheel |
| 01/16/2008 | EP1878516A1 Form rolling tool for spline machining and method of manufacturing the same |
| 01/02/2008 | CN100358651C Method and device for machining edge regions of cylindrical hollow bodies |
| 12/13/2007 | WO2007142472A1 The system for manufacturing linear gear and the method thereof |
| 12/06/2007 | WO2007137543A1 Device and method for producing profiled bodies |
| 12/06/2007 | CA2653049A1 Device and method for producing profiled bodies |
| 11/15/2007 | WO2007128359A1 Method for the production of a gear component |
| 11/14/2007 | CN101069915A Grain-rolling machine for processing straight grain on long cone surface |
| 11/08/2007 | DE102006020902A1 Verfahren zur Herstellung eines Getriebebauteils A method for producing a gear member |
| 10/24/2007 | EP1847339A1 Automatic rolling machine with flat chasers |
| 10/03/2007 | EP1161315B1 Method and apparatus for densifying powder metal preforms |
| 08/16/2007 | DE19911235B4 Verfahren zur Bearbeitung der Flanken im wesentlichen zylindrischer, aber breitenballig modifizierter Verzahnungen im kontinuierlichen Diagonal-Wälzverfahren A method for processing the edges substantially cylindrical, but breitenballig modified teeth in continuous diagonal generating method |
| 08/16/2007 | DE19809039B4 Verfahren zur Herstellung einer metallischen Schiebemuffe mit Innenverzahnung A process for producing a metallic sliding sleeve with inner toothing |
| 08/02/2007 | WO2006131353A3 Automotive component comprising a toothed section having asymmetrical surface compression |
| 07/19/2007 | US20070163320 Device and method for producing tooth-like profiled sections on workpieces |
| 07/11/2007 | EP1804982A1 Cold rolling machine and cold rolling method |
| 06/21/2007 | WO2006131355A3 Toothed section from an adapted sintered material |
| 06/21/2007 | DE19912841B4 Verfahren zur Herstellung eines Getriebeteils A method for producing a gear member |
| 06/19/2007 | US7231795 Automatic rolling machine with flat chasers |
| 06/19/2007 | US7231794 Method for manufacturing a worm shaft |
| 05/30/2007 | EP1790864A1 Hollow power transmission shaft |
| 05/30/2007 | CN1973141A Hollow power transmission shaft |
| 05/23/2007 | CN1966170A Automatic tooth mesh device for burnishing |
| 05/17/2007 | US20070107481 Method for producing a gearwheel |
| 05/16/2007 | CN1962104A Automatic gear alignment system for gear extrusion processing |
| 05/10/2007 | DE102005049528A1 Verfahren zum Herstellen von Schiebemuffen A method of producing sliding sleeves |
| 04/19/2007 | DE19732146B4 Verfahren und Vorrichtung zum Herstellen ringförmiger Bauteile mit einem keilförmigen Innenprofil Method and apparatus for producing annular parts with a wedge-shaped inner profile |
| 03/22/2007 | DE10334515B4 Differentialgetriebeeinheit für Fahrzeuge Differential gear unit for vehicles |
| 03/15/2007 | WO2006131348A3 Blank geometry of an undersized gear made of sintered material |
| 02/21/2007 | CN1301163C Insertion device particularly for automatic rolling machines |
| 02/21/2007 | CN1301162C Automatic rolling machine with flat chasers |
| 02/14/2007 | CN1913988A Device and method for producing tooth-like profiled sections on workpieces |
| 01/31/2007 | EP1747841A2 Device for manufacturing metal parts, particularly cylindrical screw profiles, by rotary machining and rolling processing of cylindrical blanks |
| 01/18/2007 | DE19753488B4 Innenverzahntes Teil sowie Verfahren und Vorrichtung zu seiner Formgebung Inner-toothed part and method and apparatus to its shape |
| 01/18/2007 | DE102005033183A1 Smoothing tooth sides and gearing of low modulus, with simultaneous cold hardening, by applying smoothing wheel under radial pressure and axial oscillating movement to give nanostructured surface |
| 12/26/2006 | US7152446 Method of forming internal gear, and internal gear |
| 12/21/2006 | US20060283655 Machine element |
| 12/14/2006 | WO2006131358A1 Hardness and roughness of a toothed section from a surface-densified sintered material |
| 12/14/2006 | WO2006131357A1 Surface-densified toothed section from a sintered material and having special tolerances |
| 12/14/2006 | WO2006131356A2 Work piece having different qualities |
| 12/14/2006 | WO2006131355A2 Toothed section from an adapted sintered material |