| Patents for B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape (9,784) |
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| 08/17/2011 | CN101769403B Seamless steel tube for nuclear power and production method thereof |
| 08/16/2011 | US7998331 Method for electrochemical fabrication |
| 08/11/2011 | WO2011096592A1 High-nitrogen stainless-steel pipe with high strength, high ductility, and excellent corrosion and heat resistance and process for producing same |
| 08/11/2011 | WO2011096510A1 High-strength welded steel pipe and method for producing the same |
| 08/11/2011 | CA2788713A1 High-strength welded steel pipe and method for producing the same |
| 08/10/2011 | EP2352888A1 Reinforcing |
| 08/10/2011 | CN102145353A O-forming machine mounting method |
| 08/10/2011 | CN101794636B Preparation method of silver ferric oxide electrical contact material |
| 08/10/2011 | CN101309762B Rolling stand, rolling train, and method for rolling metal strip |
| 08/03/2011 | EP2349604A1 Method for producing a cellular wheel |
| 08/03/2011 | EP2349599A1 Method of manufacturing a tube serving to convey a fluid of a heat exchanger, and tube obtained by means of said method |
| 08/03/2011 | EP2104577B1 Apparatus and method for extruding micro-channel tubes |
| 08/03/2011 | CN201913123U 双头管接头的冷挤压模具 Cold headed fittings extrusion die |
| 08/03/2011 | CN102139293A Metallic conical pipe coiling machine |
| 08/03/2011 | CN102139292A Production equipment for composite steel pipe |
| 08/03/2011 | CN101817031B Method for manufacturing titanium alloy guiding pipe for aircraft engine |
| 08/03/2011 | CN101670388B Manufacturing process of cold-drawing seamless steel tube for vehicular wrapped gas cylinder |
| 08/03/2011 | CN101541994B Weld steel pipe with excellent low-temperature toughness for high-strength line pipe and process for producing the same |
| 08/03/2011 | CN101484602B High-tensile strength welded steel tube for structural partsof automobiles and method of producing the same |
| 08/02/2011 | US7989028 Continuously manufactured colored metallic products and method of manufacture of such products |
| 07/28/2011 | WO2011089930A1 Method for producing copper clad laminate, copper foil used therein, and laminating apparatus for copper clad laminate |
| 07/28/2011 | US20110179849 Multi-Layered Pipes For Use In The Hydrocarbon Industry, Methods of Forming The Same, And Machines For Forming The Same |
| 07/27/2011 | CN102133799A Pipe winding machine |
| 07/27/2011 | CN102133587A Special pipe forming machine |
| 07/27/2011 | CN102133586A Production method of full-docking oil tank heater assembling pipe |
| 07/26/2011 | US7984537 Method of shot peening coil springs |
| 07/26/2011 | CA2460064C Manufacture of metal tubes |
| 07/21/2011 | US20110174047 Process for the manufacturing of an elongated tube and use of the tube |
| 07/21/2011 | US20110174046 Method for producing a large steel tube |
| 07/21/2011 | DE102010024034A1 Producing a tube, comprises continuously deforming a steel strip to a slit tube, welding the slit of the slit tube subsequent to produce the tube, and subjecting the tube as endless tube to a continuous multi-stage heat-treatment process |
| 07/21/2011 | DE102010005269A1 Heat exchanger tube, has wall structured in two leg regions, and bottom for connecting leg regions with each other, where wall is not structured in region of bottom, and bottom is connected with outer surfaces of leg regions without seams |
| 07/20/2011 | CN201900147U Spiral pipe ovalizer |
| 07/20/2011 | CN201900095U Automatic switching device for cross section of coil pipe and automatic coating device of coil pipe |
| 07/20/2011 | CN102128319A Internally and externally plastic-coated steel-plastic composite pipe and production method thereof |
| 07/20/2011 | CN102125944A Process for producing pneumatic joint core |
| 07/20/2011 | CN102125943A Manufacturing process of hose coupling |
| 07/20/2011 | CN102125942A Process for molding cold-bending welded special pipe with trapezoid cross section |
| 07/20/2011 | CN101787493B Novel high-strength, fatigue-resistant and non-decarburized alloy spring steel and preparation method of steel wire thereof |
| 07/20/2011 | CN101712050B Continuous extrusion and continuous rolling process method and production line used for producing oxygen-free copper strip billet |
| 07/20/2011 | CN101709403B Method for preparing brass seamless tubes by adopting hollow ingots |
| 07/20/2011 | CN101698207B Method for producing copper alloy coil pipe |
| 07/20/2011 | CN101603147B Hard tinned plate suitable for stamping processing and production process thereof |
| 07/20/2011 | CN101249533B Helical gas pipe forming machines |
| 07/19/2011 | US7981269 Method of electrochemical fabrication |
| 07/14/2011 | WO2011083925A2 Method and apparatus for manufacturing a corrugated steel pipe |
| 07/13/2011 | CN102121081A Method for manufacturing delivery steel pipe serving acid environment |
| 07/07/2011 | WO2011080837A1 Turks head stand |
| 07/07/2011 | US20110162431 Partially reinforced hollow profile |
| 07/06/2011 | CN201889323U Continuous casting-rolling-drawing equipment for BFe10-1-1 alloy condensation tubes |
| 07/06/2011 | CN201889322U Multifunctional bus bar pipe fitting processing machine |
| 07/06/2011 | CN102115848A Low-carbon fatigue-resistant alloy steel and preparation process thereof |
| 07/06/2011 | CN101310886B Method and device for producing pipe connections |
| 07/06/2011 | CN101128273B High-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal and process for producing the same |
| 06/30/2011 | WO2011077110A1 Method of manufacturing a mechanically lined pipe |
| 06/30/2011 | WO2011076402A1 Pipe |
| 06/30/2011 | US20110160838 Endoprosthesis containing multi-phase ferrous steel |
| 06/30/2011 | US20110159312 Aluminum foil for aluminum electrolytic capacitor electrode and method for manufacturing the same |
| 06/30/2011 | DE102009060594A1 Rohr Tube |
| 06/30/2011 | DE102009060395A1 Wärmeübertragerrohr und Verfahren zur Herstellung eines Wämeübertragerrohrs Heat exchanger tube and method for manufacturing a Wämeübertragerrohrs |
| 06/30/2011 | CA2781586A1 Method of manufacturing a mechanically lined pipe |
| 06/29/2011 | EP2339283A2 Heat transfer pipe and method for manufacturing same |
| 06/29/2011 | CN102109235A Line focusing solar energy intensified heat collecting tube and manufacturing method thereof |
| 06/29/2011 | CN102108477A Heat treatment method of aluminum material |
| 06/29/2011 | CN102107234A Complete device of spiral corrugated steel pipe and method for producing spiral corrugated steel pipe |
| 06/29/2011 | CN102107233A Method for manufacturing steel/copper composite welded pipe |
| 06/29/2011 | CN102107232A Method for manufacturing steel-copper composite welded tube |
| 06/29/2011 | CN102107231A Device for producing seamless copper pipe |
| 06/29/2011 | CN101758103B Method for producing high-speed flat tool steel wire |
| 06/28/2011 | US7969021 Bonding wire for semiconductor device and method for producing the same |
| 06/28/2011 | US7967926 UOE steel pipe excellent in collapse strength and method of production thereof |
| 06/23/2011 | WO2011073589A2 Method of manufacturing heat exchanger tubes and heat exchanger comprising such tubes |
| 06/23/2011 | US20110146366 Production-optimized process for producing a multilayer pipe |
| 06/22/2011 | EP2334503A1 Twist-axle with longitudinally- varying wall thickness |
| 06/22/2011 | EP1701809B1 Indented tube for a heat exchanger |
| 06/22/2011 | CN201871570U Multifunctional air tube processing device |
| 06/22/2011 | CN102102492A Straight-joint type insulated tubing and processing technology thereof |
| 06/22/2011 | CN102101129A Shearing machine for automatic forming of tin wire and shearing method of tin wire |
| 06/22/2011 | CN101642782B Method for preparing Cr-Ni system Austenitic heat-resistant steel springs and cool-drawn steel wires thereof |
| 06/22/2011 | CN101623716B Preparation method of metal tube |
| 06/22/2011 | CN101564738B Machining process of directly pulling steel round rope into flat rope |
| 06/21/2011 | US7963016 Circular-shaped metal structure, method of fabricating the same, and apparatus for fabricating the same |
| 06/21/2011 | CA2508534C Method for making structural elements by machining thick plates |
| 06/21/2011 | CA2421117C Process for forming a sector of an inlet lip , system for its implementation and sector thus obtained |
| 06/16/2011 | WO2011070201A1 Equipment and method for the automated production of tubular structures |
| 06/16/2011 | DE102009047736A1 Sensorgehäuse für einen induktiven Nährungsschalter und Verfahren zur Herstellung eines Sensorgehäuses für einen induktiven Nährungsschalter Sensor housing for an inductive proximity switch and method of manufacturing a sensor housing for an inductive proximity switch |
| 06/15/2011 | EP2331271A1 Method of profiling a tube of given length |
| 06/15/2011 | EP2167250B1 Device and method for the axial forming of elongated hollow bodies |
| 06/15/2011 | EP1551591B1 Method of producing an air hardenable stainless steel tube |
| 06/15/2011 | CN201862655U Hot-pressing thick-wall three-way device |
| 06/15/2011 | CN201862654U Extra-large-diameter longitudinal welded pipe forming unit |
| 06/15/2011 | CN102099144A Method of manufacture through the welding of finned tubes with cooled guide discs onto a tubular body set into rotational motion |
| 06/15/2011 | CN102094136A Pure titanium wire for spectacle frame and manufacturing method thereof |
| 06/15/2011 | CN102091728A Forming unit for longitudinal welded pipe with ultra-large pipe diameter |
| 06/15/2011 | CN102091727A Method for improving internal quality of medium plate |
| 06/15/2011 | CN101733303B Method for making 17-7PH thick wall seamless pipe |
| 06/14/2011 | US7958635 Process for producing a pulley for a continuously variable belt drive transmission |
| 06/14/2011 | CA2634114C Methods and systems for fabricating spiral welded cylinders |
| 06/09/2011 | WO2011068354A2 Apparatus for manufacturing a spiral duct |
| 06/08/2011 | CN201855848U Producing device of outer finned tube |
| 06/08/2011 | CN201855847U Drawing-processing device for seamless steel tube |