| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 03/27/2014 | WO2014043746A1 Reducing grain size |
| 03/26/2014 | EP2711123A2 Roller tool device |
| 03/26/2014 | EP2711122A2 Roller tool device |
| 03/26/2014 | CN103667646A Method for treating amorphous alloy |
| 03/26/2014 | CN102528404B Integral impeller blade semi-finishing method for removing residual stress with aid of laser |
| 03/25/2014 | CA2555113C Metal part processed by compression of sub-layers, production process therefor |
| 03/20/2014 | WO2014042066A1 Helical compression spring and method for manufacturing same |
| 03/19/2014 | EP2707513A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
| 03/19/2014 | CN203487188U Device for manufacturing cross-linked type anti-corrosion reinforced metal plate |
| 03/18/2014 | US8673092 Outer member of constant speed universal joint |
| 03/13/2014 | DE102012017694A1 Mo-haltige Beschichtungen auf Werkzeugen für das direkte Presshärten Mo-containing coatings on tools for the direct press hardening |
| 03/12/2014 | CN103635601A Surface treatment of a metal part |
| 03/12/2014 | CN103627979A Large-sized pump bearing steel material and preparation method thereof |
| 03/12/2014 | CN103627865A Restoration method for steel plate fatigue crack |
| 03/06/2014 | WO2014033362A1 Method for producing a cartridge chamber |
| 03/06/2014 | DE102012110972B3 Verfahren zum Herstellen eines Erzeugnisses aus flexibel gewalztem Bandmaterial und Erzeugnis aus flexibel gewalztem Bandmaterial A method of manufacturing a product of flexibly rolled strip material and product of flexibly rolled strip material |
| 03/05/2014 | CN103620081A Steel product and manufacturing method therefor |
| 03/05/2014 | CN103620078A Austenitic stainless steel pipe |
| 03/05/2014 | CN103614526A Method for hardening valve surface of gas valve of diesel engine |
| 03/05/2014 | CN103614525A Preheating-based controllable grinding reinforcing method |
| 02/27/2014 | DE102012110138B3 Vorrichtung und Verfahren zum Presshärten von Blechzuschnitten und/oder Blechformteilen aus Stahl mit unterschiedlicher Materialdicke Apparatus and method for press hardening of sheet metal blanks and / or sheet metal parts made of steel with different material thickness |
| 02/27/2014 | DE102012016926A1 Umformverfahren und ein nach diesem Umformverfahren hergestelltes Formteil Forming and produced by this forming process molding |
| 02/19/2014 | EP2697400A1 Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product |
| 02/19/2014 | EP2697014A1 Method for producing a single-piece rotor portion and single-piece rotor portion |
| 02/19/2014 | CN103591120A Eccentrically oscillating reduction gear, and method for manufacturing eccentric body shaft |
| 02/19/2014 | CN103590048A Ultrasonic auxiliary point-press progressive press working method for thermal spraying coating of surface of metal material |
| 02/19/2014 | CN103589841A Method for increasing heavy load of part/transmission assembly and prolonging service life of part or transmission assembly |
| 02/18/2014 | US8650920 Method and device for surface peening of a component in the region of a passage opening |
| 02/13/2014 | WO2014024746A1 Electrical steel sheet, and stator core of electric motor, comprising laminate of electrical steel sheets |
| 02/12/2014 | CN203429211U Anti-fatigue manufacturing device for micro-extrusion of R-shaped surface of metal part hole side |
| 02/12/2014 | CN103572020A STM32-based laser shock peening motion control method and control card |
| 02/12/2014 | CN103567716A Process for manufacturing ultrahigh-stress dual-clutch spring |
| 02/06/2014 | DE202014000208U1 Schmuckkörper Body jewelry |
| 02/06/2014 | DE102012015431A1 Bauteil mit Sandwich-Struktur und Verfahren zu dessen Herstellung Component having a sandwich structure and process for its preparation |
| 02/05/2014 | CN203419960U Four-post pressurization furnace |
| 02/05/2014 | CN103562417A Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
| 02/05/2014 | CN103556088A Pre-stress processing mould of high temperature alloys |
| 02/05/2014 | CN103551543A Alloy section-bar extrusion forming device |
| 02/05/2014 | CN102057061B Pre-process stress loading of components for post-process warp control |
| 02/04/2014 | US8641380 Compressor wheel |
| 01/30/2014 | WO2014016154A1 Method for machining materials by milling and subsequent brushing |
| 01/29/2014 | EP2689886A1 Method of processing materials using machining and subsequent brushing |
| 01/29/2014 | EP2689044A1 Hot -rolled high - strength steel structural members and method of fabrication |
| 01/29/2014 | EP2689043A1 Welded hot-rolled high-strength steel structural members and method |
| 01/29/2014 | CN103547688A Austenitic stainless steel pipe, boiler device, and method for processing inner surface of pipe |
| 01/29/2014 | CN103540727A Metal two-dimensional nano lamellar structure and preparation method thereof |
| 01/29/2014 | CN103540715A Constant-speed continuous silicone oil restraining device and method |
| 01/29/2014 | CN103538438A Method for producing a tubular stabilizer for a motor vehicle |
| 01/23/2014 | DE102012106423A1 Verfahren zur Herstellung eines Rohrstabilisators für ein Kraftfahrzeug A method for producing a tube stabilizer for a motor vehicle |
| 01/22/2014 | CN103521919A Combination device capable of achieving underwater laser welding and laser shot blasting |
| 01/22/2014 | CN103074475B Three-ball cutter for treating surface layer of metal material to improve material properties and use method |
| 01/16/2014 | WO2014009004A1 Coated hot-formable steel strip, sheet or blank and method for making the same |
| 01/16/2014 | DE102011118562B4 Werkzeug zum Warmumformen und Härten einer Blechplatine Tools for hot forming and curing a sheet metal blank |
| 01/15/2014 | CN203393190U Laser ultrasonic shot blasting quenching combined machining device |
| 01/15/2014 | CN103509924A High-pressure treatment device of jack cylinder |
| 01/14/2014 | US8627695 Method for ultrasound shot-blasting of turbomachine parts |
| 01/09/2014 | WO2014007861A1 Component hole treatment process and aerospace component with treated holes |
| 01/09/2014 | DE102012013565A1 Method for manufacturing component, involves moving upper tool relative to lower tool for deforming blank to component, and choosing velocity of relative displacement such that deformation of blank extends partially adiabatic |
| 01/08/2014 | EP2682493A1 Spring and manufacturing method thereof |
| 01/08/2014 | EP2681341A1 Method of manufacturing a magnetic substrate for an encoder |
| 01/08/2014 | CN203382798U Strain hardening control system for austenitic stainless steel pressure vessel |
| 01/07/2014 | US8623154 Electron-beam welded joint, steel for electron-beam welding, and manufacturing method |
| 01/02/2014 | DE112011104603T5 Hochkorrosionsbeständiger martensitischer rostfreier Stahl und Verfahren zu dessen Herstellung A high corrosion-resistant martensitic stainless steel and process for its preparation |
| 01/02/2014 | DE102011121679B4 Verfahren zur Herstellung von Bauteilen aus Leichtbaustahl A process for the production of components from lightweight structural steel |
| 01/01/2014 | CN103492098A SPD process and apparatus |
| 01/01/2014 | CN103484635A Metal material surface modification method |
| 01/01/2014 | CN103481015A Ultrasonic-vibration surface-enhanced and finishing processing device with electric-contact heating assistance |
| 12/25/2013 | CN203360503U Device for removing stress of steel belt winding pipe |
| 12/25/2013 | CN103476954A Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product |
| 12/25/2013 | CN103469200A Method for preparing nanometer surface coating |
| 12/25/2013 | CN103468900A Four-column pressing furnace |
| 12/25/2013 | CN103468899A Multidirectional forging process of Q550 steel |
| 12/25/2013 | CN103468898A Micro-extrusion antifatigue manufacturing device and technology of R molded surface on hole side of metal part |
| 12/25/2013 | CN101646510B Autofrettage by means of ball |
| 12/24/2013 | US8613211 Shot peening apparatus and shot peening method |
| 12/18/2013 | EP2673112A1 Fluidostatic rolling device for surface processing and method for shaping the edge layer |
| 12/18/2013 | EP1770183B1 Method of producing members using a weldable steel of high strenght and high toughness. |
| 12/17/2013 | US8608875 Sponge-iron alloying |
| 12/17/2013 | US8608873 Stainless steel, cold strip produced from this steel, and method for producing a flat steel product from this steel |
| 12/17/2013 | US8607605 Manufacturing method for coil spring |
| 12/17/2013 | US8607604 Bolt and manufacturing method of bolt |
| 12/11/2013 | CN103443301A Method of manufacturing a magnetic substrate for an encoder |
| 12/11/2013 | CN103438088A Marine engine nodular cast iron crankshaft |
| 12/11/2013 | CN103436876A Crosslinked anticorrosion-reinforced metal section bar making apparatus and adding type pressing mold compounding technology |
| 12/11/2013 | CN103436675A Low-voltage high-current ultrasonic surface rolling apparatus |
| 12/11/2013 | CN103436674A Hydraulic metal section bar reinforcement apparatus |
| 12/11/2013 | CN103436673A Three-dimensional pressurization cold-rolled steel sheet reinforcement apparatus |
| 12/11/2013 | CN103433702A Manufacturing method for ultrahigh pressure cylinder body of hydraulic squeezing test equipment |
| 12/11/2013 | CN102912088B Method and device for strengthening inner wall of middle-small diameter long tube through laser shot blasting |
| 12/11/2013 | CN102560228B Method for producing wheel made of austempered ductile iron (ADI) material |
| 12/05/2013 | DE102012104734A1 Verfahren und Vorrichtung zur Herstellung von umgeformten Blechteilen bei Tieftemperatur Method and apparatus for the production of shaped sheet-metal parts at low temperature |
| 12/05/2013 | DE102012010917A1 Aufnahmevorrichtung zur Aufnahme eines Dorns und einer Hülse eines Umformwerkzeuges zum Aufweiten einer Öffnung Receiving device for receiving a mandrel and a sleeve of a forming tool for expanding an opening |
| 12/05/2013 | DE102012010793A1 Umformwerkzeug zum Aufweiten einer Öffnung mit einer Aufweitvorrrichtung Forming tool for expanding an aperture with a Aufweitvorrrichtung |
| 12/05/2013 | DE102011113228A9 Verbesserung der Korrosionsbeständigkeit von Oberflächen eines Magnesiumlegierungsgegenstands Improving the corrosion resistance of surfaces of a magnesium alloy article |
| 12/04/2013 | CN103422098A Modification method for improving surface nano indentation property of material |
| 11/28/2013 | DE102012223376A1 Heat-treating hot-forming solid parts at high frequency involves heating forming solid parts in heat treatment zone until temperature of zone is achieved to austenite transformation point or higher, and maintaining temperature of zone |
| 11/27/2013 | CN203307406U Combined product |
| 11/27/2013 | CN103415639A Spring and manufacturing method thereof |
| 11/21/2013 | US20130306194 Manufacturing Process for Aerospace Bearing Rolling Elements |
| 11/20/2013 | CN103403196A Surface treatment of a metal part by oblique shot peening |