| Patents for B21H 5 - Making gear wheels (1,111) |
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| 03/09/1999 | US5878493 Method of forming toothed wheels |
| 03/03/1999 | CN2309194Y Multiple gear tooth one-forming device |
| 02/17/1999 | EP0800425B1 Method of manufacturing internally geared parts |
| 02/16/1999 | CA2070180C Gear wheels rolled from powder metal blanks |
| 02/03/1999 | CN1206634A One-stage forming device for multi-groove tooth |
| 01/27/1999 | EP0893177A1 Method for the production of a toothed workpiece |
| 01/26/1999 | US5862700 Method and apparatus for forming a profile in a wall of a hollow cylindrical work piece |
| 01/26/1999 | US5862696 Method and apparatus for the manufacture of a poly-V-pulley |
| 01/13/1999 | CN1204558A Gear rolling cold-forging forming machine and feeding equipment thereof |
| 12/30/1998 | EP0828572B1 Process for producing annular work pieces from metal with a profiled cross-section and a rolling facility for carrying out the method |
| 12/10/1998 | DE19830817A1 Internal toothing flow-turning process for workpieces |
| 12/09/1998 | EP0882532A2 Flow-turning device and method for the manufacture of a workpiece having a toothed face |
| 12/03/1998 | WO1998053934A1 Flowturning device and method for producing internal geared wheels with two sets of inner toothing |
| 12/03/1998 | DE19722359A1 Drückwalzvorrichtung und Verfahren zur Herstellung von Hohlrädern mit zwei Innenverzahnungen Flow-forming device and procedure for the production of hollow wheels with internal toothings two |
| 11/12/1998 | DE19718257A1 Section rolling machine for rotary-symmetrical components |
| 11/03/1998 | US5829297 Press apparatus for forming gear teeth |
| 10/29/1998 | WO1998048201A1 Sprocket and method of manufacturing same |
| 10/27/1998 | US5826452 Method for the manufacture of a machine part with external teeth |
| 10/20/1998 | US5824168 Heating circumferential portion of workpiece having disk shape, hot rolling with roller die to generate teeth, warmrolling by finishing die |
| 10/15/1998 | DE19820472A1 Profiled hollow body |
| 09/24/1998 | DE19710730A1 Rolling method and two-roll profile rolling machine for manufacturing cylindrical worm profiles |
| 09/22/1998 | US5809649 Method for the manufacture of a machine part having external toothing |
| 09/09/1998 | CN1192387A Process for fabrication of rack shaft and fabrication machine therefor |
| 09/01/1998 | US5799398 Method for precision gear finishing by controlled deformation |
| 08/26/1998 | EP0860626A2 Connection between a wheel hub bearing unit and brake rotor |
| 08/26/1998 | EP0860225A2 Process for fabrication of rack shaft and fabrication machine therefor |
| 08/18/1998 | US5794475 Apparatus and process for manufacturing profiled bodies |
| 07/29/1998 | CN2286654Y Hot-rolling-gear machine |
| 07/22/1998 | EP0690768B1 Process for hard-rolling a component |
| 07/21/1998 | US5782122 Spinning roller for splitting a rotationally symmetrical workpiece |
| 07/07/1998 | US5774986 Method and apparatus for cold-forming of toothed wheels from sheet metal |
| 06/18/1998 | DE19650350A1 Tool mandrel for pressure rolling teeth on workpiece |
| 06/16/1998 | US5765419 Method and apparatus for a rolling of hollow articles |
| 05/20/1998 | EP0842721A1 Method for processing a rotor used for a super charger and the like |
| 05/07/1998 | WO1998018583A1 Method of producing gear from sheet metal |
| 04/14/1998 | US5737955 Method for inclearing thickness of outer peripheral portion of disc, and method for molding disc member having transmitting portion in outer periphery thereof |
| 04/02/1998 | DE19639081A1 Toothed transmission gear ring manufacturing method |
| 03/26/1998 | DE19652836C1 Producing workpiece with rotationally symmetric hardened surface region |
| 03/18/1998 | EP0828572A1 Process for producing annular work pieces from metal with a profiled cross-section and a rolling facility for carrying out the method |
| 03/17/1998 | US5729822 Gears |
| 03/12/1998 | DE19711697A1 Forming machine with frame headstock and workholding tailstock |
| 03/12/1998 | DE19635152A1 Verfahren und Vorrichtung zur Herstellung eines außen verzahnten Getriebeteiles Method and device for producing an externally toothed gearing part |
| 03/05/1998 | WO1998008646A1 Method of forming toothed wheels and product formed thereby |
| 03/03/1998 | US5722281 Apparatus for manufacturing an automotive steering rack |
| 03/03/1998 | US5722138 Apparatus for manufacturing toothed gears |
| 02/19/1998 | WO1998006521A1 Process and device for manufacturing a gear part with outer teeth |
| 02/19/1998 | DE19718180A1 Manufacture of externally toothed gear |
| 02/19/1998 | DE19632633A1 Cold deforming device for circumferential region of cylindrical workpiece |
| 02/19/1998 | CA2263408A1 Process and device for manufacturing a gear part with outer teeth |
| 02/17/1998 | US5718140 Method for manufacturing a rotationally symmetrical work-piece of steel |
| 02/05/1998 | DE19736946A1 Method for forming workpiece of pressure rolling machine |
| 02/05/1998 | DE19725453A1 Method for forming hollow shaft |
| 02/05/1998 | DE19724661A1 Fabrication method for toothed transmission parts |
| 01/29/1998 | DE19732146A1 Internal spline cutting process |
| 01/27/1998 | US5711187 Gear wheels rolled from powder metal blanks and method of manufacture |
| 01/20/1998 | US5709118 Press apparatus for forming gear teeth |
| 01/07/1998 | EP0815984A1 Method and device for finishing the tooth flanks of a gear wheel on a machine tool |
| 12/25/1997 | CA2208645A1 A process and an apparatus for fine-machining the tooth flanks of a gear wheel on a machining tool |
| 12/23/1997 | US5701574 Method of producing a sliding sleeve for the synchronizer means of a change-speed gear |
| 12/23/1997 | US5699689 Method of and apparatus for forming a disc-shaped blank |
| 12/16/1997 | CA2103928C Torque transmitting structure and method of manufacture |
| 12/11/1997 | DE19718629A1 Tool arrangement for ring rolling of bevel gear teeth |
| 12/04/1997 | WO1997045219A1 Gears |
| 11/27/1997 | DE19713440A1 Rotation-symmetrical workpiece production method |
| 11/26/1997 | EP0808678A1 Method and apparatus for making a poly-v-pulley |
| 11/25/1997 | US5690756 Method for producing cast iron gear |
| 11/20/1997 | DE19723557A1 Production of rotationally symmetric component |
| 11/13/1997 | WO1997041982A1 Procede for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation |
| 10/15/1997 | EP0800425A1 Method of manufacturing internally geared parts |
| 09/16/1997 | US5666841 Method for work-hardening by rolling a component |
| 09/04/1997 | DE19708027A1 Method of manufacturing metallic gear disc |
| 08/28/1997 | DE19607310A1 Inner bearing forming method for bicycle wheel's crank |
| 08/26/1997 | US5659955 Method of making powder metal helical gears |
| 08/14/1997 | DE19701565A1 Procedure for manufacturing gear component |
| 08/12/1997 | US5655987 Roll-formed differential gear |
| 07/31/1997 | DE19601020C1 Tool unit for printing press |
| 07/24/1997 | DE19650343A1 Cylindrical hollow profiled body manufacturing method |
| 07/17/1997 | DE19636567A1 Procedure for manufacturing internal gear component |
| 07/03/1997 | DE19703947A1 Method for manufacturing rotationally symmetric items |
| 06/18/1997 | CN1151917A Gear rolling process |
| 05/15/1997 | DE19629738A1 Procedure for manufacture of rotationally symmetrical body with hub |
| 05/15/1997 | DE19541955A1 Rolling device, with improved rolling efficiency |
| 05/13/1997 | US5628222 Method of manufacturing a rack |
| 04/24/1997 | DE19539082A1 Tool carrier for round jaw rolling tools |
| 04/17/1997 | DE19613457C1 Production of outer toothed gear part |
| 03/26/1997 | EP0764482A1 Method for increasing thickness of outer peripheral portion of disc, and method for molding disc member having transmitting portion in outer periphery thereof |
| 03/13/1997 | DE19636565A1 Manufacture of pot-form workpiece |
| 03/12/1997 | EP0761340A2 A process for gear-rolling a high accuracy gear |
| 03/12/1997 | EP0761339A2 Multistage gear-rolling apparatus |
| 03/12/1997 | EP0761338A1 Method and apparatus for the production of profiled articles |
| 02/25/1997 | US5605068 Apparatus for rolling a ring-shaped work |
| 01/22/1997 | EP0754511A2 Method for rolling profiles in a workpiece |
| 01/14/1997 | US5592843 Spline rack |
| 01/02/1997 | EP0598878B1 Adjustable fixing device for pivot pins and bearing journals, useful in particular for doors and gates |
| 01/02/1997 | DE19625893A1 Disc-shaped blank making process |
| 12/19/1996 | DE19623453A1 Press arrangement for shaping teeth on discs or drums |
| 12/17/1996 | US5584202 Method and apparatus for manufacturing internal gear, internal gear structure and reduction mechanism unit having internal gear structure |
| 12/05/1996 | WO1996038241A1 Process for producing annular work pieces from metal with a profiled cross-section and a rolling facility for carrying out the method |
| 12/05/1996 | DE19525868A1 Verfahren zum Herstellen von ringförmigen Werkstücken aus Metall mit profiliertem Querschnitt und Walzwerk zu dessen Durchführung A method of producing annular workpieces of metal with profiled cross-section and rolling mill for carrying it out |
| 11/21/1996 | DE19518460A1 Production method for rings with axially parallel profiles |