| Patents for B21H 5 - Making gear wheels (1,111) |
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| 03/05/2015 | WO2014202581A9 Method and device for producing rotationally symmetrical metal components |
| 02/19/2015 | DE102013013606A1 Verfahren zur Herstellung globoider Schnecken mit Zahnprofil durch Umformen Process for the preparation globoider worm tooth shape by forming |
| 01/29/2015 | WO2015012330A1 Rolling machine and gear rolling method using said rolling machine |
| 01/21/2015 | CN103071741B 准双曲面齿轮摆辗加工装置及加工准双曲面齿轮的方法 Hypoid gear rotary forging processing equipment and processing methods hypoid gear |
| 01/08/2015 | WO2015000652A1 Apparatus for smoothing a toothing system and production process |
| 01/08/2015 | DE102014203088A1 Vorrichtung zum Glätten einer Verzahnung und Verfahren zu Herstellung An apparatus for smoothing a toothing and processes for producing |
| 01/06/2015 | US8925202 Method for manufacturing a toothed disc |
| 12/25/2014 | US20140378271 Planet for a planetary rolling-contact screw |
| 12/24/2014 | CN102753282B 用于制造鼓形齿部的辊轧工具和方法 Rolling tool and method of manufacturing the drum gear unit for |
| 12/16/2014 | US8911313 Method for the production of a one-piece metallic multiple wheel, preform for the production thereof, and multiple wheel |
| 12/16/2014 | US8910381 Helical gear and method of manufacturing the same |
| 12/10/2014 | CN102294419B 用于渐开线齿轮的成形滚轧方法 Involute gear rolling method for forming |
| 12/02/2014 | US8898903 Form rolling method for involute gear |
| 11/25/2014 | US8893386 Method and apparatus for backing the inside teeth of a sliding sleeve produced by way of powder metallurgy for a manual transmission |
| 10/07/2014 | US8852752 Flow formed drum with a retention ring and a substantially burr free tooth profile |
| 09/04/2014 | US20140245610 Thread rolling method for gear using cylindrical dies |
| 08/13/2014 | CN203764861U 一种花键搓齿机的调刀装置 A flower key roll forming machine blade adjustment device |
| 08/13/2014 | CN103987473A 使用圆板牙的齿轮的滚轧方法 Use round die gear rolling method |
| 08/12/2014 | US8800125 Machine tool |
| 07/22/2014 | US8783080 Method and device for machining a toothing on a sintered part |
| 07/03/2014 | WO2014103999A1 Pre-alloyed steel powder for highly fatigue-resistant sintered body and carburized and quenched material |
| 06/18/2014 | CN101466489B Work piece having different qualities |
| 06/12/2014 | US20140157928 Toothed disc and method for manufacturing the toothed disc |
| 05/14/2014 | EP2730811A1 Method for manufacturing multi-stage gear, and multi-stage gear |
| 05/07/2014 | CN203578652U 泵用细长花键轴冷滚压成型机 Elongated spline shaft pump cold roll forming machine |
| 04/30/2014 | CN103753157A Process method and rolling machine for gear blank forming |
| 04/24/2014 | WO2014061331A1 Rotational-plasticity forming device |
| 04/24/2014 | WO2014061330A1 Rotational-plasticity forming device |
| 04/23/2014 | EP2722115A1 Face spline molding device, face spline molding method, outer joint member, and constant velocity universal joint |
| 04/10/2014 | US20140100044 Face spline molding device, face spline molding method, outer joint member, and constant velocity universal joint |
| 04/09/2014 | CN203526428U Flexible automatic tool setting device for numerical control gear shaving machine |
| 04/08/2014 | CA2653049C Device and method for producing profiled bodies |
| 03/12/2014 | CN103624198A Driving wheel and fabricating method |
| 02/27/2014 | DE102012214870A1 Drive wheel, has opening for retaining shaft, teeth formed at peripheral surface of wheel using rolling method, and carrier body arranged at peripheral surface of wheel, where wheel is designed as thin-walled circular blank |
| 02/26/2014 | CN103608612A Method for manufacturing multi-stage gear, and multi-stage gear |
| 02/26/2014 | CN103608136A Face spline molding device, face spline molding method, outer joint member, and constant velocity universal joint |
| 02/19/2014 | CN103586379A Flexible automatic tool setting method for numerical-control gear burnishing machine |
| 01/29/2014 | CN203409160U Novel press cutter part |
| 01/29/2014 | CN203409159U Novel press cutter part |
| 01/09/2014 | WO2014005789A1 Method for producing a connecting element for transmitting rotational movements and connecting element produced thereby |
| 01/03/2014 | WO2014000870A1 Method for processing a workpiece and hobbing machine suitable therefor |
| 01/03/2014 | CA2875915A1 Method for processing a workpiece and hobbing machine suitable therefor |
| 11/28/2013 | WO2013177140A1 Spline rolling rack and method |
| 09/25/2013 | CN103317070A Automatic rotation part for support material |
| 09/11/2013 | CN203184559U Hydraulic roll machine synchronizer |
| 09/11/2013 | CN203184558U Bearing outer ring seal groove tooth-rolling device |
| 09/04/2013 | CN103282139A Internal tooth rolling method |
| 09/04/2013 | CN103272977A Method for machining oblique tooth/helical tooth spline on cold striking machine |
| 09/04/2013 | CN103272976A Stepless indexing mechanism in spline cold striking forming equipment |
| 09/04/2013 | CN102161070B Rolling mold |
| 08/21/2013 | CN102049518B Sintered gear element featuring locally selective surface compression |
| 08/07/2013 | CN103230990A Multidirectional composite vibration incremental type rolling and forming device and technology thereof |
| 07/31/2013 | CN203091638U Numerical control horizontal type gear rolling machine |
| 07/31/2013 | CN203091637U Numerical control vertical type gear rolling machine |
| 07/31/2013 | CN203091636U Numerical control vertical type gear rolling machine |
| 07/10/2013 | EP2611560A1 Sintered gearwheel |
| 07/10/2013 | CN203044765U Gear burnishing machine work bench transmission device |
| 07/10/2013 | CN103192012A Rolling production process of 20CrMnTi gear steel |
| 07/03/2013 | EP2608904A1 A hollow gear ring and method for its manufacturing |
| 06/20/2013 | WO2013088993A1 Gear rolling method using circular dies |
| 06/20/2013 | WO2013087299A1 Planet for a planetary rolling-contact screw |
| 06/20/2013 | DE102011088905A1 Planet für einen Planetenwälzgewindetrieb Planet for a Planetenwälzgewindetrieb |
| 06/19/2013 | CN101389429B Sintered gear element featuring locally selective surface compression |
| 06/13/2013 | DE102012211725A1 Scherenzahnradstruktur und Herstellungsverfahren derselben Scissors gear structure and manufacturing method thereof |
| 06/13/2013 | DE102007063361B4 Vorrichtung zur Herstellung eines Blechwerkstückes mit einer zylindrischen innen und außen zahnartig profilierten Wand An apparatus for producing a sheet metal workpiece having a cylindrical inside and outside tooth-like profiled wall |
| 06/12/2013 | CN202985255U High speed interval indexing mechanism |
| 06/12/2013 | CN202984543U Spline cold striking machine |
| 06/06/2013 | DE102007039959B4 Verfahren zum Kaltwalzen von längsgerichteten Verzahnungen und Profilen bei langen wellenförmigen Werkstücken und Profilwalzmaschine hierzu A method for cold rolling of longitudinal gears and profiles with long wavy workpieces and roll-forming machine for this purpose |
| 05/29/2013 | DE102005056470B4 Verfahren zur Herstellung von Längsnuten in zylindrische Werkstücke A process for producing longitudinal grooves in cylindrical workpieces |
| 05/29/2013 | CN202951811U Arc tooth rack machining device |
| 05/29/2013 | CN103121074A Numerical control horizontal type gear rolling machine |
| 05/29/2013 | CN103121073A Numerical control vertical type gear rolling machine |
| 05/22/2013 | CN103111566A Numerical control vertical type gear rolling machine |
| 05/01/2013 | CN103071741A Hypoid gear rotary forging processing device and method for processing hypoid gear |
| 04/24/2013 | CN103068499A A hollow gear ring and method for its manufacturing |
| 04/24/2013 | CN103056259A Method and device for precisely rolling and forming cylindrical gear |
| 04/11/2013 | DE112005003630B4 Ziehmatrize, Verzahnungswalzwerkzeug und Verfahren zur Herstellung einer Verzahnung auf einem Bauteil einer Welle-Naben-Verbindung Drawing die, spline rolling tool and method for producing a tooth on a component of a shaft-hub connection |
| 04/03/2013 | CN103008511A Method and process for performing medium-high frequency inductive heating and vibration compound rolling of spline shaft |
| 03/27/2013 | CN102990472A High-speed intermittent indexing mechanism |
| 03/27/2013 | CN102989938A Cold knocking machine for multiple keys |
| 03/20/2013 | CN102974727A Circular arc tooth type gear rack processing equipment |
| 03/14/2013 | DE102012017525A1 Production method of one-piece solid metallic material gear used in vehicle transmission, involves providing solid metallic material blank and forming outer teeth and inner contour of concentric bore with final geometry, from the blank |
| 03/13/2013 | CN202779582U Spline-milling machine |
| 02/13/2013 | CN101652200B Method for manufacturing a toothed disc and the toothed disc manufactured thereby |
| 01/17/2013 | WO2013008285A1 Method for manufacturing multi-stage gear, and multi-stage gear |
| 01/03/2013 | WO2012151385A3 Forging of an annular article with electric induction heating |
| 01/02/2013 | CN102847948A Sintered gear element featuring locally selective surface compression |
| 12/20/2012 | WO2012172942A1 Face spline molding device, face spline molding method, outer joint member, and constant velocity universal joint |
| 12/19/2012 | CN202606758U Tool-free gear surface finishing device |
| 12/19/2012 | CN102834209A Sintered gearwheel |
| 11/08/2012 | WO2012151385A2 Forging of an annular article with electric induction heating |
| 10/24/2012 | CN102753282A Rolling tool,apparatus,method,and gear for producing convex teeth |
| 10/03/2012 | CN202461161U Gear burnishing machine |
| 10/03/2012 | CN102699244A Gear tooth surface finishing device with no tool |
| 10/03/2012 | CN101547758B Method for the production of a one-piece metallic multiple wheel, preform for the production thereof, and multiple wheel |
| 09/27/2012 | DE102005027259B4 Verfahren zur Herstellung von metallischen Bauteilen durch Halbwarm-Umformung Process for the preparation of metal components by semi-hot-forming |
| 09/19/2012 | EP2498932A2 Rolling tool, device for and method of manufacturing convex toothing and gear |
| 09/04/2012 | US8256964 Plain bearing, method for production, and use of the plain bearing |
| 09/04/2012 | CA2660672C Helical gear and method of manufacturing the same |
| 08/22/2012 | EP1888279B1 Automotive component comprising a toothed section having asymmetrical surface compression |