| 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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| 05/28/2008 | EP0944444B1 Arrangement for shaping a helical pipe |
| 05/28/2008 | CN201064859Y Double metal composite wire highly effective production line |
| 05/28/2008 | CN101186014A Production line for metal flat tube and method for manufacturing metal flat tube |
| 05/21/2008 | EP1923650A1 Flat pipe, especially for a heat exchanger |
| 05/21/2008 | EP1922159A1 Method and apparatus for shaping various cross-sections on metal pipes |
| 05/21/2008 | EP1440741B1 Method of manufacturing hollow member |
| 05/21/2008 | CN201061838Y Edge-shaving device guided by copper strip |
| 05/15/2008 | US20080113534 Hollow Bar Manufacturing Process |
| 05/15/2008 | US20080110857 Method of Electrochemical Fabrication |
| 05/15/2008 | US20080110856 Manufacture of devices having complex structures by selective electroplating of layers that include both structural materials (metals) and support (sacrificial) materials; removal(etching, melting, or electrolytically dissolving) of the support defines a microscopicelement for an electrical device |
| 05/15/2008 | DE102006052581A1 Flat tube for heat exchanger, has narrow side partially defined by sheet of material folded upon itself to define two overlapping layers and folded edge of sheet of material, where narrow side includes third layer |
| 05/14/2008 | EP1919639A2 Method for making a cold-worked article |
| 05/14/2008 | EP1827727B1 Method for the production of a multi-layer pipe |
| 05/14/2008 | EP1301721A4 Coated contoured crushable structural members and methods for making the same |
| 05/14/2008 | CN201058350Y Mould for shaping thin wall steel bobbin |
| 05/14/2008 | CN101180449A 径向扩张系统 Radial expansion of the system |
| 05/13/2008 | CA2541957C Rolled plate joining apparatus and continuous hot rolling apparatus equipped with the same |
| 05/08/2008 | US20080107488 Lock Bolt of High Strength Steel Pipe and Method of Manufacturing the Same |
| 05/08/2008 | US20080105731 Measurement method and device for bead cutting shape in electric resistance welded pipes |
| 05/08/2008 | US20080105322 Metal plate for producing flat tube, flat tube and process for producing the flat tube |
| 05/07/2008 | CN101175879A Bundle drawn metal fiber with three layers |
| 05/07/2008 | CN101175583A Cylindorical rod and method for manufacturing the same |
| 05/07/2008 | CN100386161C Method of bending pipe and apparatus therefor |
| 05/06/2008 | CA2350578C Rotor for an eccentric screw pump or a subsurface drilling motor |
| 05/01/2008 | US20080099338 Depositing a first pattern onto a substrate using the first mask to forming a first layer, removing the first mask, depositing a second material, building additional layers adjacent to and adhered to previously formed layers; removing undesired elements of material via etching or electropolishing |
| 05/01/2008 | US20080099220 Pipe, method for production thereof and corresponding tool |
| 04/30/2008 | EP1916043A1 Rounding or bending machine |
| 04/30/2008 | DE102006049451A1 Production of tubes, especially hollow shafts for power transfer, comprises winding metal foil strip material onto a winding spindle with overlap |
| 04/30/2008 | CN100384582C Producing method and forming device for thin wall stainless steel concave channel spiral pipe |
| 04/30/2008 | CN100384564C Metal plate for producing flat tube, flat tube and process for producing the flat tube |
| 04/30/2008 | CN100384559C Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe |
| 04/24/2008 | WO2008048808A2 Method for manufacturing high flow insufflation needle stylet |
| 04/24/2008 | DE102006049659A1 Production of thin-walled pipes comprises removing a sheet metal part from a metal strip forming a sheet metal plate, flattening the front surface of one of the longitudinal sides of the plate forming a tip and further processing |
| 04/23/2008 | EP1914033A1 Conveyor device for objects having different sizes ; Welding device with such a conveyor device ; Process of welding of can bodies having different sizes |
| 04/22/2008 | US7360388 Hollow stepped shaft and method of forming the same |
| 04/17/2008 | WO2008044323A1 Apparatus for manufacturing seam-welded pipe excelling in welded portion characteristic |
| 04/17/2008 | US20080090024 Connecting an ultrasonic energy source to a horn, at least a leading 1/8 wavelength of which is ceramic;immersing a leading portion of the horn in a metal melt and delivering vibrations to the fluid; durability; continuous process of infiltrating fiber tow with aluminum to make composite wire |
| 04/17/2008 | US20080090023 Connecting an ultrasonic energy source to a horn, at least a leading 1/8 wavelength of which is ceramic;immersing a leading portion of the horn in a metal melt and delivering vibrations to the fluid; durability; continuous process of infiltrating fiber tow with aluminum to make composite wire |
| 04/17/2008 | DE10300514B4 Durchflußwegstruktur eines Hohlrohrs Flow path structure of a hollow tube |
| 04/16/2008 | CN101163807A High tension steel plate, welded steel pipe and method for production thereof |
| 04/16/2008 | CN101163560A Method for making a cold-worked article |
| 04/15/2008 | US7356898 Surgical knife production method |
| 04/15/2008 | CA2299679C Process for manufacturing pipes |
| 04/10/2008 | US20080083257 Method for manufacturing high flow insufflation needle stylet |
| 04/10/2008 | US20080083117 Method of manufacturing flow selector disk for fluid pressure regulator |
| 04/09/2008 | CN101157102A Processing method of rectangle fillet bellows expansion joint |
| 04/09/2008 | CN101157101A An online close technique for shaped steel closing hatch |
| 04/09/2008 | CN100379977C Fuel path, main pipe for fuel path and manufacturing method thereof |
| 04/09/2008 | CN100379657C Support for moving cylindrical elements, and a method and conveyor using such supports |
| 04/08/2008 | US7354657 Integral channels in metal components and fabrication thereof |
| 04/03/2008 | WO2008037145A1 A manufacture method of high precision seamless steel pipes |
| 04/02/2008 | EP1526933B1 Method for the production of a spindle nut of a spherical thread drive mechanism and mandrel therefor |
| 04/02/2008 | EP1297910B1 Method of producing a high-strength steel pipe |
| 04/02/2008 | CN100377807C Process for producing flat heat exchange tubes |
| 04/01/2008 | US7351321 Electroplating metal onto substrate in pattern corresponding to complement of conformable mask; forming multilayer, three-dimensional structure |
| 04/01/2008 | US7350386 Method and apparatus for making tubes |
| 03/27/2008 | US20080075969 Extrusion billet and method for heating an extrusion billet in a pusher-type furnace |
| 03/27/2008 | US20080072642 Apparatus for producing helically corrugated metal pipe and related method |
| 03/27/2008 | DE10243726B4 Wärmetauscher und Verfahren zur Herstellung eines Wärmetauschers sowie stranggepresstes Verbundprofil zur Verwendung in einem solchen Verfahren Heat exchanger and method for manufacturing a heat exchanger and extruded composite profile for use in such a method |
| 03/26/2008 | CN101151427A A method and apparatus for forming metal reinforcing |
| 03/26/2008 | CN101148012A Method for processing hollow sucker rod |
| 03/26/2008 | CN101147930A Forming machine for high-frequency welding special pipe capable of controlling welding position |
| 03/26/2008 | CN101147929A Composite stainless steel pipe coating equipment |
| 03/26/2008 | CN101147928A Blue shift straight filament wire and production method |
| 03/26/2008 | CN100376338C Method and apparatus for producing heterotype tubing using steel plate |
| 03/20/2008 | WO2008031478A1 Method and blank for producing a screw-tube conveyor and screw-tube conveyor produced in this way |
| 03/20/2008 | WO2008009810A3 Instrument panel tubular cross member and method of manufacture thereof |
| 03/20/2008 | DE102007028111A1 Pitot tube with large diameter for main pipelines for the transport of liquids or gases, comprises tube casing consisting of longitudinal steel sheets with bends of side edges and with mutual welding of adjoining edges |
| 03/19/2008 | EP1601472B1 Method for treating the inner surface of a tube |
| 03/19/2008 | CN201036793Y Special strip steel rolling machine |
| 03/19/2008 | CN101143415A Weld seam stabilizing device |
| 03/19/2008 | CN101143373A Composite stainless steel pipe coating mould |
| 03/18/2008 | US7343678 Method and device for production of a hollow section |
| 03/13/2008 | US20080063887 Method for Producing Steel Pipe Plated With Metal by Thermal Spraying |
| 03/12/2008 | EP1562716A4 Seam closing apparatus |
| 03/12/2008 | EP1551591A4 Seam-welded air hardenable steel tubing |
| 03/12/2008 | CN201033391Y Stable weld joint device |
| 03/12/2008 | CN201033334Y Coiled pipe shaping roller group |
| 03/12/2008 | CN101138771A Apparatus and method for manufacturing spiral duct |
| 03/11/2008 | US7341099 Metal plate for producing flat tube, flat tube and process for producing the flat tube |
| 03/11/2008 | CA2407224C Method of making reactive multilayer foil and resulting product |
| 03/06/2008 | WO2008028059A1 Methods and systems for reducing tensile residual stresses in compressed tubing and metal tubing products produced from same |
| 03/06/2008 | WO2008025740A1 A method for producing a metal tube by clad rolling one more profiles to form at least one channel, a clad rolling mill for joining one or more profiles, a clad rolled metal tube |
| 03/06/2008 | WO2008025615A1 Method for manufacturing a heat exchanger tube |
| 03/05/2008 | EP1894660A1 A method for producing a metal tube by clad rolling one or more profiles to form at least one channel; a clad rolling mill for joining one or more profiles; a clad rolled metal tube |
| 03/05/2008 | EP1812192B1 Welding stand and method for welding a spiral tube |
| 03/05/2008 | EP1635964B1 Rolling apparatus and method of making product of miscellaneous cross section with use of same |
| 03/05/2008 | CN201030391Y Novel spiral weld-pipe mill set decoiler |
| 03/05/2008 | CN201030390Y Device for manufacturing large-diameter two-layer butt-welded tube |
| 02/28/2008 | WO2008022626A1 Method for producing at least two plane functional surfaces extending parallel to each other on a pipe |
| 02/28/2008 | DE19750858B4 Verfahren zum Herstellen einer Stranggießkokille A method for producing a continuous casting mold |
| 02/27/2008 | EP1892322A1 Copper/niobium composite piping material produced by copper electroforming, process for producing the same and superconducting acceleration cavity produced from the composite piping material |
| 02/27/2008 | CN101130197A Cold drawing, cold rolling production method for high-accuracy weldless steel tube |
| 02/20/2008 | EP1740329A4 Method for manufacturing a circular metal tank |
| 02/20/2008 | CN101128273A High-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal and process for producing the same |
| 02/20/2008 | CN101125346A Coiled equipment for coiling directly metal flange using with strip steel |
| 02/20/2008 | CN101125345A Method for coiling directly metal flange using with strip steel and its coiled equipment |
| 02/14/2008 | US20080034824 Method and Device for Producing a Peripherally Closed Hollow Profile |
| 02/14/2008 | US20080034571 Tube mill with in-line braze coating process |
| 02/13/2008 | CN101121999A Method for continuously casting titanium alloy near single-crystal ingot by using electromagnetic cold crucible |