| Patents for B21K 21 - Making hollow articles not covered by any single one of groups (1,317) |
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| 02/10/2015 | US8950283 Method for manufacturing nut for ball screw and ball screw |
| 02/10/2015 | CA2788222C Method and tool for producing a component and a component produced by forming |
| 02/03/2015 | US8946585 Method for the manufacture of a cutting tool |
| 01/29/2015 | WO2015012408A1 Method for internally splitting end-part cross-section of metal plate or metal rod, method for manufacturing metal container or metal pipe, and method for joining metal component using internal splitting method |
| 01/28/2015 | CN104308056A 筒形锻件的热锻成形方法 Forging method of forming a cylindrical forgings |
| 12/30/2014 | US8919166 Method of forming industrial housings |
| 12/09/2014 | US8904614 Bathtub accessory device and method |
| 11/25/2014 | US8893540 Method and tool for producing a component and a component produced by forming |
| 11/11/2014 | US8881400 Method for producing throttle holes having a low cavitation transmission point |
| 10/21/2014 | US8863366 Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
| 10/14/2014 | US8857024 Load leveling modification for front loading refuse truck |
| 10/07/2014 | US8852362 Austenitic stainless steel pipe excellent in steam oxidation resistance and manufacturing method therefor |
| 10/02/2014 | WO2014157662A1 Method for manufacturing annular molded article |
| 09/04/2014 | WO2014088390A3 Appliance and method for producing terminals for batteries |
| 09/02/2014 | US8822609 Method for transforming a single reactor line |
| 08/26/2014 | US8815123 Fabrication method for ibiiiavia-group amorphous compound and ibiiiavia-group amorphous precursor for thin-film solar cells |
| 08/26/2014 | US8813328 Method and apparatus for installing a built-in oven into a cabinet cut-out |
| 08/19/2014 | US8807001 Penetrator and method of manufacturing same |
| 08/13/2014 | CN103987475A 用于制造具有优良滚动疲劳寿命的机械部件的方法 The method of producing the mechanical component having an excellent rolling fatigue life for |
| 08/12/2014 | US8800338 Manufacture of coil springs |
| 08/06/2014 | CN102581211B 航空器整体式铝合金拉杆冷成形方法 Aircraft monolithic aluminum rod for cold forming method |
| 07/30/2014 | EP2759358A1 Method of making a forged part |
| 07/29/2014 | US8789253 Footwear including replaceable outsole members |
| 07/29/2014 | CA2675580C Stud with lengthwise indented ribs and method |
| 07/15/2014 | US8776376 Method of forming paneled corners |
| 06/03/2014 | US8739380 Method of making a multi-level swing out cooker/smoker |
| 05/01/2014 | WO2014065290A1 Press molding method and bottomed container |
| 04/29/2014 | US8710161 Method for transforming a single reactor line |
| 04/29/2014 | US8707559 Material dispense tips and methods for manufacturing the same |
| 04/24/2014 | US20140109977 Overflow valve prevention system |
| 04/16/2014 | EP2718055A1 Method for producing a throttle |
| 04/08/2014 | US8689669 Method of producing warheads containing explosives |
| 03/20/2014 | DE102013015483A1 Verfahren zum Herstellen von breiten, flanschförmigen Verdickungen an Hohlkörpern A method for producing wide flange-shaped thickening of hollow bodies |
| 03/19/2014 | EP2707157A1 Hot extrusion process for producing a metal part, extrusion tool for implementing it and landing gear rod thus produced |
| 03/19/2014 | CN102489660B Forging forming process of heteromorphic transition section of super large pressure vessel |
| 03/13/2014 | WO2014037434A1 Bullet for shooting range and practice cartridges |
| 03/12/2014 | CN102581210B Forging method for thermoforming cylindrical forging by using hollow casting blank |
| 03/11/2014 | US8667866 Machining tool blank and method of forming |
| 03/04/2014 | US8661867 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 03/04/2014 | US8661676 Rotary die forming process and apparatus for fabricating multi-port tubes |
| 02/26/2014 | EP2699832A1 Pipeline comprising a joining end for a pipe connection, method for the production thereof, and pipe connection comprising such a pipeline |
| 02/19/2014 | CN103596707A Extrusion process for producing a metal part, extrusion tool for implementing it and landing gear rod thus produced |
| 01/29/2014 | EP2690391A1 Method for manufacturing a bullet casing with extractor groove and casing cover |
| 01/22/2014 | EP2687392A1 Method for producing a pipe stabiliser for a motor vehicle |
| 01/22/2014 | EP2687302A1 Method for producing a high pressure fuel line |
| 12/19/2013 | WO2013187734A1 Apparatus for manufacturing contact tip for welding torch by forging |
| 12/19/2013 | WO2013187732A1 Method for manufacturing contact tip for welding torch by forging |
| 11/27/2013 | CN103415360A Punch for cold backward extrusion forging |
| 11/26/2013 | US8590815 Fuel injector tip with compressive residual stress |
| 10/30/2013 | EP2656942A1 Punch for cold backward extrusion forging |
| 10/29/2013 | US8567297 Penetrator and method of manufacture same |
| 09/11/2013 | CN102470218B Methods to provide a feature on a needle |
| 08/14/2013 | CN203124632U Double-pipe end rotating pier forming mechanism |
| 07/10/2013 | CN101823117B Method of producing metallic shell for spark plug and die for producing the metallic shell |
| 07/04/2013 | US20130169132 Drawer insert for file cabinet |
| 06/13/2013 | WO2013085008A1 Method for manufacturing mechanical parts with superior rolling fatigue life |
| 06/12/2013 | CN103143669A External upsetting method for oil well pipe and oil well pipe manufactured by using external upsetting method |
| 06/05/2013 | CN103128225A Molding mechanism of rotary pier at end of double pipe |
| 06/05/2013 | CN102126107B Forging process of forged rings |
| 05/23/2013 | US20130129032 Method to reduce the volume of boiling water reactor fuel channels for storage |
| 05/23/2013 | US20130125605 Method of manufacturing door frame for wind tower |
| 05/15/2013 | EP2592304A1 Method for swaging ring gear, swaging tool used for method for swaging ring gear, and ring gear |
| 05/15/2013 | CN103108707A Method for manufacturing pipe |
| 05/08/2013 | CN103084534A Manufacturing method of cone-cylinder shaped forged piece of nuclear power evaporator transition cone |
| 04/30/2013 | US8432666 Method of manufacturing a switchgear panel |
| 04/16/2013 | US8418335 Method of retrofitting stair railing system with an adjustable baluster |
| 04/16/2013 | US8418334 Method of changing damping characteristics of twin-tube shock absorber |
| 03/26/2013 | US8402657 Method of making a flow shaper for a sprinkler assembly |
| 03/21/2013 | WO2013038526A1 Method for manufacturing pipe |
| 03/21/2013 | US20130068437 Tube for Heat Exchanger, Heat Exchanger, and Method for Manufacturing Tube for Heat Exchanger |
| 03/13/2013 | EP2566764A2 Process for the production of multilayer blow-molded hollow articles |
| 03/12/2013 | US8393065 Retrofit method for pulverized coal boiler |
| 02/28/2013 | US20130047433 Method of producing a hollow poppet valve and an apparatus therefor |
| 02/28/2013 | DE102010021431B4 Vorrichtung, um eine Flanschabdeckung mit einem Flansch in Eingriff zu bringen , To bring a device of flange with a flange in engagement |
| 02/26/2013 | US8381402 Fuel injector tip autofrettage process |
| 02/20/2013 | CN101808762B Method for producing hollow forged parts and parts thus obtained |
| 02/13/2013 | EP2555886A1 Process for manufacturing forgings made of light alloy, incorporating solid or thinned-down sections |
| 02/06/2013 | EP2552619A2 Cartridge case and forming method for its manufacture |
| 02/06/2013 | CN102917815A Process for manufacturing forgings made of light alloy, incorporating solid or thinned-down sections |
| 01/30/2013 | EP2551035A1 Method of forming a frontal toothing on an inner ring of a wheel hub, upset collar and wheel hub with frontal toothing thus obtained |
| 01/30/2013 | EP2551034A1 Equipment for forming a frontal toothing, in particular on an inner ring of a wheel hub |
| 01/30/2013 | EP2551033A1 Method of forming a frontal toothing on an inner ring of a wheel hub |
| 01/30/2013 | EP2551032A1 Method of forming a frontal toothing on an inner ring of a wheel hub |
| 01/30/2013 | EP2551031A1 Method of forming a frontal toothing on an inner ring of a wheel hub |
| 01/30/2013 | CN102905811A Component, especially control arm for a vehicle |
| 01/30/2013 | CN102896271A Method for producing collar |
| 01/29/2013 | US8360749 Arrangement and process for mounting a resonant spring in a refrigeration compressor |
| 01/16/2013 | EP2546005A1 Metal pipe, and method and device for processing metal pipe |
| 01/02/2013 | CN202639211U High-strength deep hole forging piece for large-scale forged pieces |
| 01/02/2013 | CN202639210U Deep hole forging piece for large forgeable piece |
| 12/26/2012 | CN101827666B Method for the production of hot-finished seamless pipes having optimized fatigue properties in the welded state |
| 12/25/2012 | US8336207 Methods and apparatus for coupling capacitors |
| 12/13/2012 | WO2012168076A1 Method for producing a throttle |
| 12/05/2012 | CN101992257B Method for forging cup part with flange in outside diameter center |
| 12/04/2012 | US8322184 Method of producing metallic shell for spark plug |
| 11/27/2012 | US8317174 Positioning system for a component, adjustment tool and adjustment method |
| 11/15/2012 | WO2012152687A1 Hot extrusion process for producing a metal part, extrusion tool for implementing it and landing gear rod thus produced |
| 11/15/2012 | CA2834410A1 Hot extrusion process for producing a metal part, extrusion tool for implementing it and landing gear rod thus produced |
| 11/08/2012 | WO2012091368A3 Method for manufacturing inner structure of regenerative cooling type combustion chamber |
| 11/08/2012 | US20120282048 Insert With A Wiper To Induce Chip Thinning On A Leading Edge |