| Patents for B21H 5 - Making gear wheels (1,111) |
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| 10/24/1996 | DE19620812A1 Producing rotationally symmetrical bodies from tubular sections for automobile industry |
| 10/17/1996 | DE19620178A1 Method of manufacturing poly=V=disc, esp. with transmitter |
| 10/10/1996 | DE19617826A1 Gear wheel forming process |
| 10/09/1996 | EP0736347A1 Method of manufacturing toothed transmission element |
| 10/08/1996 | US5562785 Method for manufacturing toothed gears |
| 10/02/1996 | EP0735150A2 Method for producing cast iron gear |
| 09/25/1996 | CN1131589A Apparatus for manufacturing automotive steering rack |
| 09/05/1996 | DE19524089C1 Method of mfg. gear part of thin metal disc |
| 08/28/1996 | EP0728540A2 Method of and tool for shaping sheet metal |
| 08/22/1996 | DE19604386A1 Internally toothed sleeve ring for synchromesh gears |
| 08/20/1996 | US5546781 Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process |
| 08/14/1996 | DE19605645A1 Mfg. machine component with outer toothing |
| 08/14/1996 | DE19604237A1 Toothed rack for tooth profile cutting machine |
| 08/08/1996 | DE19603773A1 Manufacturing method for coupling transmission parts with hubs |
| 08/01/1996 | WO1996022847A1 Metal sheet having annular peripheral wall and method of thickening annular peripheral wall |
| 07/17/1996 | CN1126640A Method of manufacturing an automobile steering rack |
| 07/11/1996 | DE19544786A1 Machine for forming toothed steering rack for vehicle |
| 07/04/1996 | WO1996020050A1 Method of manufacturing internally geared parts |
| 07/04/1996 | DE4446919A1 Verfahren zur Herstellung von innenverzahnten Teilen A process for producing internally toothed parts |
| 07/04/1996 | CA2209121A1 Method of manufacturing internally geared parts |
| 06/25/1996 | US5528917 Force controlled rolling of gears |
| 06/19/1996 | EP0540722B1 Device and method for cold-forming grooves on the wall of a revolution part |
| 05/14/1996 | US5515708 For creating helical teeth in a workpiece |
| 05/09/1996 | DE19513634A1 Method of mfg. rotationally symmetrical steel workpiece |
| 05/09/1996 | DE19513633A1 Pressure roller for cutting oblique slots in rotationally symmetric workpieces |
| 05/08/1996 | EP0655959A4 Apparatus and method for precision gear finishing by controlled deformation. |
| 04/23/1996 | US5509287 Method of conditioning the surface of a spline forming rack |
| 04/18/1996 | DE4436515A1 Method for producing an externally toothed gear unit for the motor-car industry |
| 04/03/1996 | CN1119841A Process for hard-rolling a component |
| 03/13/1996 | EP0551477B1 Shaft with shaped endless Screw, in particular for Windshield Wipers, with shaped Bearing Journal |
| 03/12/1996 | US5497642 Apparatus and method for forming precision surfaces on shaft-like components |
| 01/18/1996 | WO1996001160A1 Method of manufacturing an externally toothed gear element |
| 01/11/1996 | DE19524370A1 Shaping tool for helical gear wheels |
| 01/10/1996 | EP0690768A1 Process for hard-rolling a component |
| 12/27/1995 | EP0688617A1 Method and device for rolling of hollow work pieces |
| 12/13/1995 | CN2214856Y Back-rolling roller for helical involute spline |
| 12/13/1995 | CN2214855Y Back-rolling roller for triangular spline and involute spline |
| 12/05/1995 | US5471858 Apparatus and process for the production of a hollow workpiece being profiled in a straight or helical manner relative to the workpiece axis |
| 09/19/1995 | US5451275 Apparatus and method for precision gear finishing by controlled deformation |
| 09/07/1995 | DE4407389A1 Prodn. of bodies, e.g. gearwheels, with profiled circumferences |
| 06/21/1995 | CN1103936A Hourglass worm gear |
| 06/07/1995 | EP0655959A1 Apparatus and method for precision gear finishing by controlled deformation |
| 05/31/1995 | CN1103016A Gear working method and device |
| 05/30/1995 | US5419640 Adjustable support for journals and hinge pins, especially for use with doors and gates |
| 04/25/1995 | US5408897 Worm, onto which a bearing stud is formed, especially for a windshield wiping system |
| 04/11/1995 | US5404640 Method of forming toothed wheels |
| 03/09/1995 | DE4329700A1 Adjustable holding device for elongated objects, especially a clamping device for electric leads |
| 02/28/1995 | US5392517 Method of making a ring gear |
| 01/31/1995 | US5384949 Torque transmitting structure and method of manufacture |
| 01/11/1995 | EP0633078A1 Method of fabricating a hollow steel body with an inner- and/or outer profiling |
| 01/10/1995 | US5379622 Method of forming helical splines with stoppers on a rotary shaft, and rolling tools for practicing the method |
| 01/10/1995 | US5379620 Apparatus and method for forming precision surfaces on shaft-like components |
| 12/07/1994 | EP0626890A1 Cold-forming of toothed wheels from sheet steel |
| 12/07/1994 | EP0552272B1 Gear wheels rolled from powder metal blanks |
| 11/17/1994 | DE4314558A1 Process for the non-cutting production of an outer profile on a hollow-cylindrical body and associated apparatus |
| 11/16/1994 | CN2182695Y Apparatus for making gear wheel |
| 10/18/1994 | US5355706 Process for the production of a hollow workpiece being profiled at least internally in a straight or helical manner relative to the workpiece axis |
| 10/13/1994 | DE4311364A1 Rolling tools with asymmetrical pitch and profiles adapted to the forming process |
| 09/29/1994 | WO1994021427A1 Process for hard-rolling a component |
| 09/28/1994 | EP0616863A1 Method for the manufacture of a rack by cold forming, rack thus obtained and device for carrying out this method |
| 09/15/1994 | WO1994020238A1 Tool and method for the non-cutting manufacture of the outer teeth of gearwheels |
| 08/25/1994 | DE4335505C1 Device for producing a gear part which is toothed on the outside |
| 08/23/1994 | US5339669 Apparatus and process permitting the cold forming of grooves on the wall of a revolving part |
| 07/13/1994 | EP0605916A1 A method of manufacturing a torque transmitting housing |
| 06/09/1994 | DE4240613A1 Pot shaped toothed workpiece - obtd. by pressing circular blank in tool with negative tooth profiles |
| 06/01/1994 | EP0598878A1 Adjustable fixing device for pivot pins and bearing journals, useful in particular for doors and gates. |
| 05/19/1994 | DE4323167C1 Producing steel hollow bodies by rolling - combined with austenitic heat treatment |
| 05/19/1994 | DE4238004A1 Internally-toothed-gear prodn. machine |
| 05/10/1994 | US5310432 Toothed wheel for use in automobiles and its manufacturing method |
| 04/14/1994 | WO1993016824A3 Cold-forming of toothed wheels from sheet steel |
| 04/12/1994 | US5301528 Device for manufacturing toothed pulleys |
| 03/03/1994 | WO1994004304A1 Apparatus and method for precision gear finishing by controlled deformation |
| 03/03/1994 | DE4244720A1 Method for manufacture of externally toothed gear |
| 02/17/1994 | DE4321779A1 Mfg. starter crown gearwheel for motor vehicle engine - Cold deforming sheet metal blank to exhibit outer gear tooth of real running wheel geometry |
| 02/03/1994 | DE4225368A1 Method for forming external toothing on hollow shafts - axial pressure forces are applied to material under section to be formed and produce multi-axial stress condition in workpiece |
| 02/03/1994 | DE4225367A1 Method for forming externally toothed hollow bodies - forming die is moved continuously into shaft and external toothing is cut simultaneously |
| 02/03/1994 | DE4225366A1 Method of manufacturing externally toothed hollow bodies - uses forming die and rollers to reduce original blank diameter to preliminary working diameter for tooth cutting |
| 02/03/1994 | DE4225365A1 Percusion drum with body forming cylinder - has several bristle-shaped spring or damping members in drum skin edge region. |
| 02/03/1994 | DE4225364A1 Method for forming toothed hollow shafts - boring pressure is simultaneously applied to blank from both ends, with forming dies acting as counter dies |
| 01/20/1994 | DE4315503A1 Production method for hollow work pieces with straight or inclined axis - involves inner profile being cold shaped by striking rollers expressing material form flat circle |
| 01/18/1994 | CA1326147C Roll forming notches in a thin-wall power transmission member |
| 12/23/1993 | WO1993025789A1 Adjustable fixing device for pivot pins and bearing journals, useful in particular for doors and gates |
| 11/12/1993 | CA2095458A1 Method of making roll-finished gears |
| 11/10/1993 | EP0568779A1 Method for producing a transmission element |
| 10/13/1993 | EP0565225A1 Method of cold-forming toothed wheels |
| 10/06/1993 | EP0563949A1 Process particularly for the powder metallurgical manufacture of a gear wheel with a coupling device |
| 09/08/1993 | EP0558815A1 Device for producing a hollow workpiece, profiled, at least internally, in a straight or oblique direction with respect to the workpiece-axis, and its use |
| 09/02/1993 | WO1993016824A2 Cold-forming of toothed wheels from sheet steel |
| 08/24/1993 | US5237745 Method of and apparatus for manufacturing drive plate |
| 08/24/1993 | US5237744 Method of cold-forming toothed wheels |
| 08/20/1993 | CA2088025A1 Cold-forming of toothed wheels from sheet steel |
| 08/18/1993 | EP0555631A1 Method of making gearing parts with outwardly facing teeth |
| 07/29/1993 | DE4201746A1 Method of formation of grooves on extruded bars or tubes - by passing the tube or bar between toothed wheels whilst the material is soft |
| 07/28/1993 | EP0552776A1 Rolling process for forming pulleys with one or more V-grooves and with an integral phonic wheel |
| 07/28/1993 | EP0552272A1 Gear wheels rolled from powder metal blanks. |
| 07/27/1993 | US5230234 Method of making roll-finished gears |
| 05/05/1993 | CN2131631Y Cylindrical gear thermal rolling depression |
| 04/29/1993 | WO1992020474A3 Device and method for cold-forming grooves on the wall of a revolution part |
| 04/20/1993 | US5203223 Cold-forming of toothed wheels from sheet steel |
| 02/18/1993 | WO1993003296A1 Endless screw with shaped bearing journal, in particular for windshield wipers |