| Patents for B21K 21 - Making hollow articles not covered by any single one of groups (1,317) |
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| 04/14/2009 | US7516531 Method of assembling universal trim piece system for a refrigerator |
| 04/08/2009 | CN100475383C Method for producing rotationally symmetrical undercut contours |
| 04/07/2009 | US7514175 Anode can for battery and manufacturing method thereof |
| 03/31/2009 | US7509737 Fan blade manufacturing methods |
| 03/26/2009 | US20090078250 Method of manufacturing solar cell module and solar cell module thus manufactured |
| 03/25/2009 | EP2039443A2 Method for working a plate-shaped material into a final product as well as such a final product |
| 03/25/2009 | EP1566286B1 Race member in hub unit and method of producing the same |
| 03/10/2009 | US7500309 Cold or heat accumulator and process for its manufacture |
| 03/04/2009 | EP1536899B1 Method for manufacture of a metal shell, and a cup designed to serve as a blank |
| 02/18/2009 | EP2023749A2 Systems apparatuses and methods for processing the contents of containers and tanks and methods for modifying the processing capabilities of tanks and containers |
| 02/11/2009 | CN100460138C Integrated forging method of flange type step thin wall long sheath forging |
| 02/05/2009 | US20090032151 Magnesium base alloy pipes and method of manufacturing the same |
| 02/04/2009 | EP2020267A1 Method for forming a tubular element |
| 02/03/2009 | US7485884 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 02/03/2009 | US7484286 Garage door having removable vent or glass covers |
| 01/29/2009 | WO2009012880A1 Device for reshaping the end of a dowel |
| 01/29/2009 | WO2009012744A1 Method for the production of hot-finished seamless pipes having optimized fatigue properties in the welded state |
| 01/29/2009 | US20090025224 Method for manufacturing of fuel nozzle floating collar |
| 01/29/2009 | DE102007035763A1 Production method e.g. for nozzle crown, involves mechanically processing after rolling through CNC machining and distinguishing between CNC machining steps with CNC machining and heat treatment of nozzle body is omitted |
| 01/29/2009 | CA2694469A1 Method for the production of hot-finished seamless pipes having optimized fatigue properties in the welded state |
| 01/15/2009 | US20090014082 Exhaust apparatus and method |
| 01/08/2009 | DE102007031482A1 Ringpresse Ring Press |
| 12/31/2008 | CN101332485A Processing method of end upsetting of drill pipe |
| 12/11/2008 | WO2007133471A3 Modifying the processing capabilities of containers |
| 12/11/2008 | US20080304956 Coal nozzle tip shroud |
| 12/09/2008 | US7462853 Radioactive substance containment vessel, and radioactive substance containment vessel producing device and producing method |
| 12/04/2008 | WO2007149940A3 Door converter assembly for storage containers |
| 12/03/2008 | EP1997569A1 Method for processing the ends of pipes |
| 12/02/2008 | US7458140 Method for converting a chain link fence |
| 11/06/2008 | WO2008024994A3 Sports ball bag systems |
| 10/30/2008 | CA2680100A1 Method of providing a solenoid housing |
| 10/23/2008 | US20080257981 Shower Header with Replaceable Internal Cleaning Brush Assembly |
| 10/23/2008 | US20080257139 Method of manufacturing ammunition |
| 10/16/2008 | US20080250623 Conduit coupling assemble |
| 10/09/2008 | US20080247899 Solid polycrystalline superabrasive material mixted with sintering binder and bonding material; molding in mold with shaped openings; heating; pressurization; heat resistant |
| 10/08/2008 | EP1586389B1 Oval cross section metal tube producing device and producing method |
| 10/02/2008 | US20080235949 Method and system for manufacturing solar panels using an integrated solar cell using a plurality of photovoltaic regions |
| 09/25/2008 | US20080233779 Method and Apparatus for the Manufacture of a Terminal for a Lead-Acid Type Accumulator and a Terminal Manufactured Therewith |
| 09/24/2008 | CN201120453Y Tube blank for directly manufacturing large-calibre middle-thickness wall weldless steel tube |
| 09/18/2008 | WO2008111119A1 Process for manufacturing ring-shaped member |
| 09/17/2008 | CN101264506A Method for processing pressure container forgeable piece |
| 09/04/2008 | US20080209972 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 08/12/2008 | US7410440 Method for converting a non-driven tag axle system to a driven axle system |
| 07/31/2008 | WO2007026756A8 Method for manufacturing annular member and annular member with leg |
| 07/30/2008 | CN101232960A Manufacturing method for an annular member and a pronged annular member |
| 07/24/2008 | DE102005014940B4 Fitting und Verfahren zur Herstellung eines Fittings And fitting process for the preparation of a fitting |
| 07/17/2008 | DE112006001748T5 Verfahren zum Herstellen eines ringförmigen Elements und mit Zinken versehenes ringförmiges Element A method of manufacturing a ring-shaped element and provided with tines annular member |
| 07/08/2008 | US7395591 Methods for modifying truck cabs and doors |
| 07/03/2008 | US20080156220 Fragmentable Grenade |
| 06/26/2008 | WO2008074499A1 Hollow piston for an axial piston machine |
| 06/26/2008 | US20080150349 Flexible Axle Comprising a Cross-Member with Trapezoid Cross-Section, Corresponding Cross-Member, Vehicle and Manufacturing Method |
| 06/26/2008 | US20080148578 Folding knives |
| 06/19/2008 | DE102005052178B4 Verfahren zum Herstellen eines nahtlos warmgefertigten Stahlrohres A method for manufacturing a seamless hot rolled steel tube |
| 06/10/2008 | US7383760 Bandoliered flechettes and method for manufacturing bandoliered flechettes |
| 06/04/2008 | CN100391672C Process for manufacturing knob and ringer of rigging screw |
| 06/04/2008 | CN100391648C Method for manufacturing oil pipe in external upset |
| 06/04/2008 | CN100391647C Hot press-forging formation mould for magnesium alloy thin shells |
| 05/28/2008 | EP1925382A1 Fastening system for steering apparatus and manufacturing method for the same |
| 05/14/2008 | CN101176905A Method of forming member,valve guide and method of forming the same and method of forming tubular member |
| 05/08/2008 | US20080104977 Insulated ice compartment for bottom mount refrigerator |
| 04/29/2008 | US7363796 Cold form nozzle for laser processing |
| 04/24/2008 | US20080092388 System and Method for Joining Non-Compatible Components |
| 04/15/2008 | CA2299679C Process for manufacturing pipes |
| 03/25/2008 | US7347075 Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods |
| 03/20/2008 | WO2008032348A1 Process for realising a bush for electric battery pole or terminal, apparatus for actuating said process as well as bush for pole |
| 03/13/2008 | WO2008029910A1 Method of forming can body with rib |
| 03/06/2008 | WO2008028059A1 Methods and systems for reducing tensile residual stresses in compressed tubing and metal tubing products produced from same |
| 03/05/2008 | CN100372627C Making process of drill pipe with internally and externally thickened end |
| 03/05/2008 | CN100372623C Cold formed differential housing with integrated ring gear |
| 03/04/2008 | US7337545 Folding knives |
| 02/27/2008 | CN100371102C Lining half casing blank die forging forming method for recombination pressure container |
| 02/26/2008 | US7334339 Folding knives |
| 02/20/2008 | CN100370059C Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 02/14/2008 | US20080034573 Method of Forming Member, Valve Guide and Method of Forming the Same, and Method of Forming Tubular Member |
| 02/13/2008 | EP1886744A1 Method for forming tapered piston pins |
| 02/05/2008 | CA2470713C Bullet jacket and method for the manufacture thereof |
| 01/30/2008 | CN100364678C Manufacturing method for roller-shell smelting and casting for aluminium-casted mill |
| 01/29/2008 | US7322091 Vibration isolating bushing and its manufacturing method |
| 01/24/2008 | DE102006032932A1 Manufacturing seamless, bulbous pressure vessels in steel or other metals, produces blank body from massive wire, and expands it freely by application of heat and high internal pressure |
| 01/23/2008 | CN101109068A Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 01/17/2008 | DE10100868B4 Kaltwalz-Umformmaschine und Werkzeug zum Herstellen von flanschförmigen Erzeugnissen bzw. von Flanschen aus einem zylindrischen Vorprodukt Cold roll forming machine and tool for the manufacture of products flange or flanges of a cylindrical intermediate |
| 12/27/2007 | CA2650986A1 Door converter assembly for storage containers |
| 12/13/2007 | US20070283786 Mehod for the manufacture of a cutting tool |
| 11/15/2007 | WO2007128264A1 Device for forging bush-shaped objects and a forged part produced therewith |
| 11/14/2007 | CN101072650A Method for producing rotationally symmetrical, undercut contours |
| 11/06/2007 | US7290337 Manufacturing method for frame body and frame body |
| 10/17/2007 | CN101057352A Method and apparatus for the manufacture of a terminal for a lead-acid type accumulator and a terminal manufactured therewith |
| 10/17/2007 | CN100342993C Method for producing circular cog hot forged from generator protective ring and mould |
| 10/04/2007 | WO2007111325A1 Process for production of liner-constituting members |
| 10/02/2007 | US7275407 Process for producing rotationally symmetrical components |
| 10/02/2007 | CA2483113C Process for cold forming tube ends |
| 09/27/2007 | DE10257882B4 Verfahren zum Herstellen von rotationssymmetrischen Getriebeteilen A process for producing rotationally symmetrical transmission parts |
| 09/26/2007 | EP1837098A1 Manufacturing of a bent axle body with stubs |
| 09/19/2007 | EP1833627A1 Method for producing rotationally symmetrical, undercut contours |
| 09/12/2007 | EP1831942A1 Method and apparatus for the manufacture of a terminal for a lead-acid type accumulator and a terminal manufactured therewith |
| 09/05/2007 | EP1651370B1 Method of manufacturing a split casing |
| 09/04/2007 | US7263754 Truck sleeper |
| 08/29/2007 | CN101027143A Raceway ring for radial ball bearing, method of producing the raceway ring, and method and device for producing high precision ring |
| 08/23/2007 | US20070194564 Trailer and method of assembly |
| 08/21/2007 | US7258044 Apparatus and process for cutting of extruded material |