| Patents for B21K 1 - Making machine elements (7,621) |
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| 07/08/2004 | US20040129751 Device and method for machining connecting rods, and connecting rods so produced |
| 07/08/2004 | US20040129243 Method of manufacture of a piston for an internal combustion engine, and piston thus obtained |
| 07/08/2004 | CA2510195A1 Steering pinion |
| 07/07/2004 | CN1511069A Forging method and apparatus |
| 07/06/2004 | US6757976 Method for manufacturing alloy wheel for automobile |
| 07/06/2004 | CA2165087C Process for preparing a powder mixture and its use |
| 07/01/2004 | WO2004054739A1 Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool |
| 07/01/2004 | US20040123638 High strength, toughness, aging resistance, corrosion resistance, stress resistance, heat resistance; forming rivets |
| 07/01/2004 | US20040123462 Hollow construction element |
| 07/01/2004 | US20040123461 Method for making a gear with 90-180 teeth |
| 07/01/2004 | US20040123445 Method of producing polygonal ring-shaped machine parts having complex cross-section |
| 07/01/2004 | DE10321544A1 Verschlussschraube aus metallischem Werkstoff, Verfahren zu deren Herstellung, Rohling dafür sowie Werkzeug dazu Screw plug made of metallic material, process for their preparation, as well as blank for tool to |
| 07/01/2004 | DE10259151A1 Verfahren zur Fertigung von Achsschenkeln für Achskörper, Verfahren zur Herstellung eines Achskörpers sowie Achskörper A process for the production of uprights for axle body, method for the production of an axle body and axle body |
| 07/01/2004 | DE10257471A1 Hollow object producing process for outer hub of constant-velocity ball joint involves producing pre-molded part with pockets in its walls |
| 06/30/2004 | EP1425141A4 Cold-headed standoff |
| 06/30/2004 | CN1509216A Metal plate rocker arm and method of manufacturing same |
| 06/29/2004 | US6755748 Screw head formation |
| 06/29/2004 | US6755747 Method of manufacturing an expansion sleeve |
| 06/29/2004 | US6754954 Process for manufacturing forged titanium compressor wheel |
| 06/24/2004 | WO2004053343A2 Self-threading female fastener elements and method of forming same |
| 06/24/2004 | US20040118238 Upper steering shaft assembly |
| 06/24/2004 | DE10260426B3 Steering spline for automobile steering mechanism has 2 conical sections in transition zone between toothed cylindrical section and coaxial greater diameter cylindrical section |
| 06/24/2004 | CA2507596A1 Self-threading female fastener elements and method of forming same |
| 06/23/2004 | EP1431072A1 Process for manufacturing end spindles for axles and axles with such end spindles |
| 06/23/2004 | EP1430969A1 Vibration isolating bush; and method of producing the same |
| 06/23/2004 | EP1430211A1 Method for producing a piston or piston head for an internal combustion engine |
| 06/22/2004 | CA2318732C Process and apparatus for shaping a work piece |
| 06/17/2004 | WO2004050269A2 Self-attaching female fastener elements and method fo forming same |
| 06/17/2004 | US20040112110 Forging punch, minute forging method using the same, and method of manufacturing liquid ejection head using the same |
| 06/17/2004 | US20040112109 Liquid ejection head, and method of manufacturing the same |
| 06/17/2004 | DE10003791B4 Verfahren zur Herstellung von Felgen Process for the preparation of rim |
| 06/17/2004 | CA2502213A1 Self-attaching female fastener elements and method of forming same |
| 06/16/2004 | EP1427944A2 Screw head formation |
| 06/16/2004 | EP1370378A4 Method and apparatus for manufacture of a forged rack |
| 06/16/2004 | EP1066473B1 Improved self-tapping thread fastener and a blank therefor |
| 06/16/2004 | CN1504637A Process for manufacturing a piston for an internal combustion engine, and the piston thus obtained |
| 06/15/2004 | US6749412 Check valve retainer for a scroll compressor |
| 06/15/2004 | US6748654 Method of manufacturing shoe for compressor |
| 06/10/2004 | US20040110569 Blind threaded fastener forming technique |
| 06/09/2004 | EP1426453A1 Process for the production of a steel forged part and part obtained thereof |
| 06/09/2004 | EP1425141A1 Cold-headed standoff |
| 06/09/2004 | CN1503881A Ball-and-socket joint |
| 06/08/2004 | US6745610 Method of manufacturing arm |
| 06/08/2004 | US6745472 Manufacturing method of steel ball for rolling bearing |
| 06/06/2004 | CA2452221A1 Blind threaded fastener forming technique |
| 06/03/2004 | US20040105722 Ball and socket joint |
| 06/01/2004 | US6742253 Process for eliminating vertical flash on an as-forged connecting rod |
| 05/27/2004 | WO2004043626A1 Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods |
| 05/27/2004 | US20040099078 Gear, method and device for manufacturing the same |
| 05/27/2004 | DE202004005626U1 Punch for forming screw heads has wings on side surfaces of punch head to leave notches in surface of screw head to reduce stress |
| 05/27/2004 | DE202004004860U1 Hydraulic press for making racks has upper stamping tool able to turn on headpiece and turning connecting rod mechanically coupled to tool |
| 05/27/2004 | DE10300585B3 Friction layer carrier manufacturing process, e.g. for brake liner plate, involves stacking unprocessed carriers and transporting bottom one out of magazine to tool |
| 05/27/2004 | DE10252056A1 Fabrication method for steering rack esp. for motor vehicle steering system uses warm/cold process for partial forming of blank, to create toothing, ventilation recess, and axial bore |
| 05/26/2004 | EP1422307A1 Method for fabricating an article of an alpha-beta titanium alloy by forging |
| 05/26/2004 | CN1500019A Closed forging method, forging prodn. system using method, forging die used in method and system, and preform or yoke produced by method and system |
| 05/20/2004 | US20040093926 Closed forging metod, forging production system using the method, forging die used in the method and system, and preform or yoke produced by the method and system |
| 05/20/2004 | US20040093729 Forging method and apparatus |
| 05/19/2004 | EP1165272B1 Method of producing homokinetic joints |
| 05/19/2004 | CN1498143A Method and apparatus for manufacturing forged rack |
| 05/19/2004 | CN1497052A Aluminium alloy for casting forging, aluminium casted forged product and manufacturing method |
| 05/19/2004 | CN1150383C Dynamic pressure type thrust bearing device and method of manufacturing the same |
| 05/19/2004 | CN1150096C Universal wheel unit and its manufacturing method |
| 05/18/2004 | US6735997 Method for producing a housing for a ball joint |
| 05/18/2004 | US6735996 Method of making an axle element for a motor vehicle, and shaping die for carrying out the method |
| 05/18/2004 | US6735994 Forging of workpieces |
| 05/13/2004 | WO2004001248A3 Splined clutch hub and method of making same |
| 05/13/2004 | US20040089380 Method for fabricating an article of an alpha-beta titanium alloy by forging |
| 05/12/2004 | EP1418064A1 Method for manufacturing a spoked wheel for bicycles |
| 05/12/2004 | CN1495024A Liquid spray nozzle and its making method |
| 05/12/2004 | CN1494964A Forging punch head, precision forging method and method for mfg. liquid-jetting head |
| 05/11/2004 | US6732605 Bevel gear |
| 05/06/2004 | WO2004038240A1 Hydrodynamic bearing device |
| 05/06/2004 | WO2004038235A1 Self-attaching female fasteners and method of forming female fastener elements |
| 05/06/2004 | US20040087381 Self-attaching female fasteners and method of forming female fastener elements |
| 05/06/2004 | US20040083595 Method of manufacturing a hollow shaft having a flange at one end thereof |
| 05/06/2004 | CA2496014A1 Self-attaching female fasteners and method of forming female fastener elements |
| 05/05/2004 | CN1494597A Mfg. process for making engine components of high carbon content steel using cold forming techniques |
| 04/29/2004 | WO2004035851A1 Formed product and method for production thereof |
| 04/29/2004 | WO2003060351A8 Differential side gear and the production method thereof |
| 04/29/2004 | US20040079610 Clutch gear having boss part with spline and method for manufacturing the same |
| 04/29/2004 | DE19943805B4 Verfahren zum Entformen eines Stempels aus einem hohlen Gegenstand und Werkzeug zum Bearbeiten von Rillen an der Innenmantelfläche eines solchen hohlen Gegenstands A method for demolding a punch of a hollow article and tool for machining of grooves on the inner lateral surface of such a hollow object |
| 04/28/2004 | EP1412109A1 Process for eliminating vertical flash on an as forged connecting rod |
| 04/28/2004 | CN1491758A Process for producing wheel rim |
| 04/27/2004 | CA2177834C Apparatus for manufacturing steering rack bars |
| 04/22/2004 | WO2004033180A1 Method for production of a throttle valve in a continuous throttle valve connector |
| 04/22/2004 | US20040077455 Pinion carrier for planetary gear train and method of making same |
| 04/21/2004 | EP1409196A1 Selectively cold worked hydraulic motor/pump shoe |
| 04/15/2004 | WO2004031424A1 Aluminum alloy for casting-forging, aluminum cast/forged article, and method for manufacture thereof |
| 04/15/2004 | WO2004030847A1 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece |
| 04/15/2004 | WO2004004944A3 Steel hollow-head screw |
| 04/15/2004 | DE4307090B4 Mutter, insbesondere Radmutter Mother, in particular wheel nut |
| 04/15/2004 | DE10246726A1 Method for producing a throttle valve includes production of a plastic throttle flap shrunk on the throttle shaft, with use of a pair of plungers as mold elements. |
| 04/15/2004 | CA2501080A1 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece |
| 04/14/2004 | EP1407158A2 Enhanced capacity bearing |
| 04/14/2004 | CN1145746C Blind rivet and method of making the same |
| 04/13/2004 | US6718813 Pipe rack forming method and apparatus |
| 04/08/2004 | WO2004028722A1 Cold formed differential housing with integrated ring gear |
| 04/01/2004 | US20040063506 Shaft and manufacturing method thereof |
| 04/01/2004 | US20040060385 One-piece axle tube housing assembly |
| 04/01/2004 | US20040060160 Method for joining rod and collar and joining die set therefor |