Patents for B21K 21 - Making hollow articles not covered by any single one of groups (1,317)
08/2007
08/21/2007US7257875 Method for making a protective device for guardrails, and a protective device for guardrails
08/16/2007US20070191171 Differential with die formed housing
08/16/2007DE10031989B4 Verfahren und Vorrichtung zur Herstellung von Pressfittings aus Stahl, insbesondere Edelstahl Method and apparatus for the production of press fittings made of steel, in particular stainless steel
08/15/2007EP1818118A2 Tool for reforming the end area of a rigid casing and elastic joints
08/01/2007CN1329534C Mfg. process for making engine components of high carbon content steel using cold forming techniques
08/01/2007CN1329141C Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods
08/01/2007CN101007333A Race member in hub unit and method of producing the same
07/2007
07/26/2007WO2007082366A1 Stud with lengthwise indented ribs and method
07/26/2007DE102004060218B4 Verfahren zum Herstellen verstärkter rohrförmiger Elemente A method of manufacturing reinforced tubular members
07/26/2007CA2675580A1 Stud with lengthwise indented ribs and method
06/2007
06/28/2007WO2007070958A1 Steering dampener
06/28/2007DE10056946B4 Verfahren zum Herstellen eines Trägerelementes für ein endoskopisches Behandlungsinstrument A method of manufacturing a carrier element for an endoscopic treatment instrument
06/26/2007US7234223 Method for forging/molding a coarse blank of an aluminum transmission shaft
06/19/2007US7232398 Method for converting a non-driven tag axle system to a driven axle system
06/19/2007US7231716 Method of making a thin wall nozzle
06/19/2007US7231715 Method for forming end surface of heat pipe and structure thereof
06/14/2007US20070131014 Flanged housing member, forming method and forming device
06/14/2007DE102006051463A1 Doppelkammergehäuse Double chamber housing
06/06/2007DE10125865B4 Hochdruckmetallrohr mit Anschlusskopf, Verfahren zur Bildung des Kopfes und einer Anschlussscheibe für den Anschlusskopf High-pressure metal pipe with connection head, methods of forming the head and a connecting plate for connecting head
06/05/2007US7225658 Method for manufacture of a metal shell, and a cup designed to serve as a blank
06/05/2007US7225541 Method for producing hollow rack bar
05/2007
05/31/2007US20070119054 Race member in hub unit and method of producing the same
05/22/2007US7219522 Oval cross section metal tube producing device and producing method
05/09/2007EP1355751B1 Method for producing a housing for a ball joint
05/02/2007CN1313225C Frame producing method
04/2007
04/26/2007US20070089474 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof
04/19/2007US20070084050 Turbine vane airfoil reconfiguration method
04/19/2007US20070084048 Turbine vane airfoil reconfiguration system
04/19/2007US20070084047 Method for repairing and/or modifying component parts of a gas turbine
04/12/2007WO2005099929A8 Molding method by forging and molding method for case
04/12/2007US20070079509 Method of forming low-stiction nozzle plate for an inkjet printhead
04/12/2007US20070079506 Method of providing non-uniform stator vane spacing in a compressor
04/12/2007US20070079490 Method of mounting a panel over an opening
03/2007
03/21/2007CN1931466A Seration forming apparatus and the method inside pipe
03/08/2007WO2007026756A1 Method for manufacturing annular member and annular member with leg
03/07/2007CN1302872C Metal blank for thermal expansion forming
03/06/2007CA2239989C Rear drive m113 conversion method
03/01/2007US20070044644 Ammunition Article And Apparatus For Making Ammunition Articles
02/2007
02/27/2007US7181993 Apparatus and process for cutting of extruded material
02/22/2007US20070039151 Method and apparatus for replacing gripping member on wire bucket handle
02/22/2007US20070039150 Convertible furniture system comprised of modular convertible box frames and methods of forming various furniture configurations therefrom
02/13/2007US7176472 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof
02/08/2007DE19746840B4 Verfahren zum dichten Verschließen einer Bohrung in einem Werkstück aus duktilem Werkstoff A method for sealing a bore in a workpiece made of ductile material
02/07/2007CN1907594A Lining half casing blank die forging forming method for recombination pressure container
02/06/2007US7172483 Method of making metallic shell for spark plug, method of making spark plug having metallic shell and spark plug produced by the same
02/06/2007US7171838 Method and apparatus for producing thin walled tubular product with thick walled flange
01/2007
01/31/2007CN1903477A Hot press-forging formation method for magnesium alloy thin shells, and special mould therefor
01/25/2007US20070017079 Offset base storage rack assembly
01/18/2007US20070011874 Exhaust treatment devices and methods of making the same
01/17/2007CN1898046A Method of forming member, valve guide and method of forming the valve guide, and method of forming tubular member
01/11/2007US20070006628 Molding method by forging and molding method for case
01/11/2007DE10082528B4 Metallblechteil und Verfahren zu dessen Herstellung Sheet metal part and method for its production
01/09/2007US7159643 Heat storing element and method for manufacturing heat storage apparatus using the element
01/09/2007CA2421641C Method of retrofitting a probe station
01/03/2007CN1887473A Making process of drill pipe with internally and externally thickened end
12/2006
12/27/2006EP1736255A1 Molding method by forging and molding method for case
12/20/2006CN1880175A Metal blank for hot dilation forming
12/07/2006DE102006005428A1 Fuel high pressure reservoir manufacturing method for fuel injection system, involves forming reservoir from massive metallic cylindrical blank by spin extrusion, where reservoir comprises specific inside diameter
12/06/2006CN1872448A Method for manufacturing oil pipe in external upset
11/2006
11/29/2006EP1725356A2 Cold nozzle for laser processing
11/22/2006CN1286196C Cathode can for battery and its mfg. method
11/16/2006DE102005014940A1 Fitting und Verfahren zur Herstellung eines Fittings And fitting process for the preparation of a fitting
11/02/2006US20060242832 Fabrication technique of micro spray nozzles
11/02/2006DE112004002531T5 Verfahren der Formung eines Elements, Ventilführung und Verfahren der Formung derselben sowie Verfahren der Formung eines rohrförmigen Elements A method of molding an element, valve guide and method of forming the same and method of forming a tubular member
10/2006
10/31/2006US7128138 Indirect evaporative cooling heat exchanger
10/19/2006WO2005119156A3 Indirect evaporative cooling heat exchanger
09/2006
09/27/2006EP1704944A1 Airbag tube with cold-formed charging head and procedure for obtaining the same
09/26/2006US7111799 Narrow diameter needle having reduced inner diameter tip
09/12/2006US7103952 Engine loader and transporter apparatus and methods
08/2006
08/10/2006DE10118032B4 Verfahren zum Abstrecken eines Rohres mittels eines Ziehringes A method of ironing a tube by means of a pull ring
08/03/2006DE102004056147B3 Reduzieren von Rohren über einem abgesetzten Dorn zur Herstellung von Hohlwellen mit Hinterschnitt in einer Operation Reduce pipes via a remote mandrel for producing hollow shafts with an undercut in an operation
08/01/2006US7082805 Manufacturing method for cylindrical part
08/01/2006US7082661 Centrifugally assisted clutch
08/01/2006CA2379629C Apparatus and method for re-shaping brake cores
07/2006
07/26/2006CN1265913C Retaining ring steel hot forging technology for generator
07/20/2006US20060156551 Method for manufacturing hair trimmer with non-slip handle
07/20/2006US20060156546 Method of manufacturing nozzle plate, liquid droplet ejection head and image forming apparatus
07/19/2006EP1681112A1 Method for manufacturing an inert ballistic element used for training purposes and the inert ballistic element manufactured using said method.
07/13/2006US20060153661 Screw plug made of a metallic material, method for the production thereof, corresponding blank and corresponding tool
07/06/2006US20060144576 Indirect evaporative cooling heat exchanger
07/06/2006US20060143917 Cold formed differential housing with integrated ring gear
06/2006
06/22/2006WO2006063710A1 Method for producing rotationally symmetrical, undercut contours
06/22/2006WO2006063608A1 Method for producing rotationally symmetrical, undercut contours
06/22/2006CA2588931A1 Method for producing rotationally symmetrical, undercut contours
06/20/2006US7062830 Installation of a retrofit HVAC zone control system
06/13/2006US7059033 Method of forming thickened tubular members
06/07/2006EP1664594A2 Differential with die formed housing
06/07/2006EP1545810B1 Method of making a cold formed differential housing with integrated ring gear
06/07/2006CN1784278A Molding method by forging and molding method for case
06/01/2006US20060112751 Method for manufacture of a metal shell, and a cup designed to serve as a blank
05/2006
05/30/2006US7052778 Method and apparatus for cold forging a trailer hitch receiving housing
05/26/2006WO2006053698A1 Method and apparatus for the manufacture of a terminal for a lead-acid type accumulator and a terminal manufactured therewith
05/25/2006US20060107718 Deformed forging
05/23/2006US7047611 High performance intermediate servo assembly and method of use
05/16/2006CA2151170C Pipeline pressure drop reduction
05/11/2006DE10256591B4 Verfahren und Vorrichtung zum Oberflächenkonturieren von Rohren als Rohlinge von Zylinderlaufbuchsen Method and apparatus for Oberflächenkonturieren of tubes as blanks of cylinder liners
05/09/2006US7040017 Methods for making and implementing fluid delivery ring
05/04/2006DE19581042B4 Verfahren zum Herstellen eines Teils mit einer Hinterschneidung A method of fabricating a part with an undercut
05/03/2006EP1651370A1 Deformed forging
04/2006
04/27/2006DE102005052178A1 Verfahren zum Herstellen eines nahtlos warmgefertigten Stahlrohres A method for manufacturing a seamless hot rolled steel tube
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