| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 10/16/2013 | CN103350260A Profile modification method adopting gear shaving cutter |
| 10/10/2013 | DE102011053714B4 Verfahren zum Schleifbearbeiten von einer als Außen- oder Innenverzahnung ausgebildeten Verzahnung eines Werkstücks A method of grinding edit a configured as external or internal gears teeth of a workpiece |
| 10/02/2013 | CN203221257U Forming cutter for processing internal spline |
| 10/02/2013 | CA2811100A1 Method for producing conical or hypoid wheels using the plunging process |
| 09/25/2013 | CN101959636B Helical broach for roughing |
| 09/18/2013 | CN203197404U Face-gear bowl-type gear shaping cutter |
| 09/11/2013 | CN203184773U Front gear grinding hob |
| 09/11/2013 | CN203184772U Cutting machining tool |
| 09/04/2013 | CN203171086U Numerical-control high-speed rack gear milling machine |
| 08/28/2013 | EP2629917A1 Tooth milling cutter and method for milling the teeth of toothed gear elements |
| 08/22/2013 | US20130213167 Hollow gear ring and method for its manufacturing |
| 08/21/2013 | EP2628559A2 Face hobbing cutter system and indexable milling inserts for use in the same |
| 08/21/2013 | CN203140900U Multi-bit plane secondary enveloping worm wheel hob |
| 08/21/2013 | CN203140899U Push-type broach used for machining inner gear ring |
| 08/21/2013 | CN203140896U Push-broaching equipment for machining annular gear |
| 08/21/2013 | CN103252538A Face hobbing milling cutter system and indexable milling blades used for same |
| 08/20/2013 | US8512105 Abrasive sharpener |
| 08/14/2013 | CN103240465A Gear ejecting machine for making gears |
| 08/07/2013 | CN203109374U Three-dimensional outer ribbed tube processing cutter |
| 08/07/2013 | CN203109371U Forming and generating gear milling machine |
| 08/07/2013 | CN103231126A Machining cutter |
| 07/31/2013 | CN203091885U 倒角机及倒角刀具 Chamfering machine and chamfering tool |
| 07/31/2013 | CN103223533A Method for designing side rear angle surfaces of double-enveloping ring surface worm gear hob |
| 07/31/2013 | CN103223532A Gear tooth bottom forming milling cutter |
| 07/31/2013 | CN101722336B Universally usable bar cutter head and use thereof |
| 07/25/2013 | WO2013061188A8 System for the internal broaching of a cylindrical bore |
| 07/24/2013 | CN101372056B Knife tool and method for discontinuous profile grinding of gear |
| 07/17/2013 | CN103203503A Tool handle of spiral bevel gear milling tool disc |
| 07/16/2013 | US8485762 Internal broaching tool |
| 07/10/2013 | CN203045073U Cycloidal gear hob |
| 07/10/2013 | CN203045072U 矩形花键滚刀 Rectangular spline hob |
| 07/10/2013 | CN203045071U Positive rake angle gear hob |
| 07/10/2013 | CN203045070U Forming shovel back milling cutter for automobile differential clutch engagement sleeve |
| 07/10/2013 | CN203045069U Cutter head for machining arc cone gear |
| 07/03/2013 | CN203031061U Worm gear hob enabling users to replace blades |
| 06/26/2013 | CN203018856U High-efficiency hobbing cutter |
| 06/26/2013 | CN203018855U Easily clamped hob |
| 06/26/2013 | CN203018854U Small-module spiral bevel gear milling cutter |
| 06/26/2013 | CN103180078A Tooth milling cutter and method for milling the teeth of toothed gear elements |
| 06/12/2013 | CN202984836U Slotting cutter with big modulus |
| 06/12/2013 | CN202984835U Full-roof-cutting slotting cutter |
| 06/12/2013 | CN202984834U Taper-shank slotting cutter |
| 06/12/2013 | CN202984833U Straight-tooth gear slicing cutter without theoretical tooth errors |
| 06/05/2013 | CN202963663U Single screw type multi-start worm gear hob |
| 06/05/2013 | CN103140317A Systems for and methods of managing licenses in wedling equipment |
| 06/05/2013 | CN102049571B Hob and molding method thereof |
| 05/30/2013 | WO2013076030A1 Semi-completing skiving method with two intersection angles of axes and use of a corresponding skiving tool for semi-completing skiving |
| 05/29/2013 | EP2596893A1 Semi-completing skiving method with two axis intersection angles and use of a corresponding skiving tool for semi-completing skiving |
| 05/29/2013 | EP2595774A1 Systems for and methods of managing licenses in welding equipment |
| 05/22/2013 | CN202943338U Two-way feeding worm rod hobbing cutter |
| 05/22/2013 | CN202943337U Wind power large module gear milling cutter |
| 05/22/2013 | CN202943336U Integral type rolling chamfer edge composite knife |
| 05/22/2013 | CN202943335U Chamfering knife with staggered teeth |
| 05/22/2013 | CN103111687A Numerical control high speed rack gear milling machine |
| 05/22/2013 | CN102441711B Single-side edge tooth cutting tool for cylindrical gear |
| 05/15/2013 | CN103100764A Design method of 0-degree tooth profile angle helical tooth finish turning gear shaving cutter |
| 05/08/2013 | CN101564779B Assembled non-relief grinding small modulus spiral bevel gear cutter |
| 05/02/2013 | WO2013061188A1 System for the internal broaching of a cylindrical |
| 05/01/2013 | CN202910413U Hob |
| 05/01/2013 | CN202910412U Long-period hob |
| 05/01/2013 | CN103071864A Toothed indexable worm gear hob for planar secondary enveloping worm drive |
| 05/01/2013 | CN103071863A Forming and generating gear milling machine and processing method |
| 04/25/2013 | US20130101367 Gear cutting machine, end mill and method of form milling |
| 04/24/2013 | CN202894511U Projected-head pregrinding hob |
| 04/24/2013 | CN202894510U Series coaxial chamfering cutter |
| 04/24/2013 | CN202894509U Burr modifying knife |
| 04/24/2013 | CN202894508U Chamfering cutter for lateral installation of gear |
| 04/24/2013 | CN103068509A Helical broach |
| 04/24/2013 | CN103056456A Electric bicycle double-circular-arc-tooth-shaped harmonic gear hobbing cutter |
| 04/18/2013 | US20130094917 Horizontal Gear Shaping Machine With Dual Shaping Heads |
| 04/17/2013 | CN202877661U Sectioning assembling chamfering tool |
| 04/17/2013 | CN103042469A Method for dressing a multi-thread grinding worm and a method for grinding and a grinding worm |
| 04/11/2013 | US20130090043 Method for dressing of a multiple thread grinding worm and for grinding and grinding worm |
| 04/11/2013 | US20130089386 Variable-Tooth-Thickness Worm-Type Tool and Method For Using The Same To Fabricate Gears |
| 04/11/2013 | DE102011115526A1 Verfahren zum Abrichten einer mehrgängigen Schleifschnecke und zum Schleifen sowie Schleifschnecke A method of dressing a multiple speed grinding wheel and grinding and grinding worm |
| 04/10/2013 | CN103028789A Small-modulus spiral bevel gear cutter |
| 04/10/2013 | CN103028788A Designing method of straight-tooth slicing cutter without theoretical tooth profile error |
| 04/03/2013 | CN103009028A Modulus-variable broken line tooth profile design method of undercut gear hobbing cutter |
| 03/27/2013 | CN202824881U Gear hob component with hob sleeve gasket |
| 03/27/2013 | CN102990165A Semi-completing skiving method and device with skiving tool for performing a semi-completing skiving method |
| 03/27/2013 | CN101808771B Barrel worm-shaped tool |
| 03/21/2013 | US20130072096 Internal gear grinding machine |
| 03/21/2013 | US20130072095 Internal gear grinding machine |
| 03/21/2013 | DE102011053715A1 Abrichtprofilwerkzeug zum Abrichten von Schleifscheiben und mit einem solchen Abrichtprofilwerkzeug ausgestattete Vorrichtung Abrichtprofilwerkzeug for dressing of grinding wheels and equipped with such a device Abrichtprofilwerkzeug |
| 03/21/2013 | DE102011053714A1 Verfahren zum Schleifbearbeiten von einer als Außen- oder Innenverzahnung ausgebildeten Verzahnung eines Werkstücks A method of grinding edit a configured as external or internal gears teeth of a workpiece |
| 03/20/2013 | EP2570218A2 Shaper |
| 03/20/2013 | CN202804386U Plug-in type shaving cutter |
| 03/20/2013 | CN202804385U 齿轮滚刀 Hob |
| 03/20/2013 | CN202804384U Grinding tool |
| 03/20/2013 | CN202804383U Slotting cutter beneficial to heat dissipation |
| 03/20/2013 | CN202804382U Compound slotting cutter |
| 03/20/2013 | CN202804381U Taper-shank slotting cutter |
| 03/20/2013 | CN202804380U Taper-shank slotting cutter |
| 03/20/2013 | CN202804379U Taper-shank slotting cutter |
| 03/20/2013 | CN202804378U Special cutter for spin chute gear process |
| 03/20/2013 | CN202804374U Cutting device for gear hobbing machine |
| 03/13/2013 | CN202780071U Combined slotting cutter |
| 03/13/2013 | CN102962530A Shaped deburring cutter |
| 03/12/2013 | US8393941 Abrasive tool |
| 03/06/2013 | CN102009233B Involute spline push broach |