| Patents for C23C 8 - Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (10,951) |
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| 02/20/2008 | CN101126387A Production process of high-purity plunger piston |
| 02/20/2008 | CN101125473A Hot-dip galvanized thin steel sheet, thin steel sheet processed by hot-dip galvanized layer, and a method of producing the same |
| 02/20/2008 | CN101125472A Hot-dip galvanized thin steel sheet, thin steel sheet processed by hot-dip galvanized layer, and a method of producing the same |
| 02/20/2008 | CN100370056C Method for producing metal member with intensified corrosion-resisting property by salt-bath nitrizing |
| 02/20/2008 | CN100370055C Method for quick-speed preparing carbon/carbon composite material using heat gradient chemical gas phase infiltration |
| 02/19/2008 | CA2326239C Low pressure carbonitriding method for metal alloy parts |
| 02/18/2008 | CA2597311A1 Transition metal nitride, fuel cell separator, method for producing transition metal nitride, method for producing fuel cell separator, fuel cell stack and fuel cell vehicle |
| 02/14/2008 | WO2008018308A1 Method for quenching of steel member, quenched steel member, and agent for protecting quenched surface |
| 02/14/2008 | US20080038585 Process for Film Production and Semiconductor Device Utilizing Film Produced by the Process |
| 02/14/2008 | US20080038460 Method of Coloring Surface of Zirconium-Based Metallic Glass Component |
| 02/14/2008 | US20080035246 Thrust bearing component |
| 02/14/2008 | US20080035243 Covalent modification of metal surfaces |
| 02/13/2008 | EP1885904A1 Low pressure carbonitriding method and device |
| 02/13/2008 | EP1885903A2 Semiconductor materials and methods of producing them |
| 02/13/2008 | CN101124354A Color-coded stainless steel fittings and ferrules |
| 02/13/2008 | CN101122004A Vacuum surface strengthening technique and device |
| 02/12/2008 | US7329609 Substrate processing method and substrate processing apparatus |
| 02/07/2008 | WO2008017028A2 Endoprosthesis with three-dimensional disintegration control |
| 02/07/2008 | US20080030152 Boron Nitride Thin-Film Emitter and Production Method Thereof, and Electron Emitting Method Using Boron Nitride Thin-Film Emitter |
| 02/07/2008 | DE19829309B4 Verfahren zur Herstellung eines thermischen Oxidfilms auf Siliciumcarbid Process for the preparation of a thermal oxide film on silicon carbide |
| 02/07/2008 | DE102007020027A1 Treated austenitic steel for vehicles, comprises non-metal chemical element incorporated into surface of steel to provided protection against hydrogen embrittlement |
| 02/07/2008 | CA2659761A1 Endoprosthesis with three-dimensional disintegration control |
| 02/06/2008 | CN101116935A Valve collet producing technology |
| 02/06/2008 | CN100367525C Superconductor method and reactor |
| 02/06/2008 | CN100366784C Vacuum high pressure pulse discharge catalyzed chemical heat treatment apparatus and method |
| 02/05/2008 | US7327556 Carbon-coated aluminum and method for producing same |
| 02/05/2008 | US7326446 Method for coating metal surfaces and substrate having a coated metal surface |
| 02/05/2008 | US7326306 Method for producing nitriding steel |
| 02/05/2008 | CA2311494C Modification of surfaces in order to increase surface tension |
| 01/31/2008 | WO2008013765A1 Metal article with high interstitial content |
| 01/31/2008 | WO2007084961A3 Applications of diffusion hardening techniques |
| 01/31/2008 | US20080026234 Epitaxial oxide films via nitride conversion |
| 01/31/2008 | US20080023436 Deposition by adsorption under an electrical field |
| 01/31/2008 | US20080023113 High strength gear, power transmission mechanism using same, and production method for high strength gear |
| 01/31/2008 | US20080023111 Method and Facility for Hot Dip Zinc Plating |
| 01/31/2008 | US20080023110 Metal article with high interstitial content |
| 01/31/2008 | US20080023109 Microwave carburizing furnace and carburizing method |
| 01/31/2008 | DE10333129B4 Verfahren zur Bildung einer Siliziumnitridschicht für einen flaschenförmigen Graben A method for forming a silicon nitride layer for a bottle-shaped trench |
| 01/30/2008 | CN101115859A High-concentration carburized/low-strain quenched member and process for producing the same |
| 01/30/2008 | CN101113661A Novel self-lubricating iron-based coatings coupling preparation process |
| 01/30/2008 | CN101113521A Multi-component alloy catalytic liquid and process for manufacturing product |
| 01/30/2008 | CN101113510A Nitrogen coping method for valve metal powder and nitrogen-containing tantalum powder and nitrogen-containing niobium powder acquired therefrom |
| 01/30/2008 | CN101113509A Antiseptic wearable oil, sheathed tube liquid nitrogen quenching method |
| 01/30/2008 | CN100365268C Fuel injection valve for internal combustion engines and a method for hardening said valve |
| 01/30/2008 | CN100365241C Mechanical and electronic combined lock |
| 01/30/2008 | CN100365156C Air/gasoline ion multi element copermeation technology of steel |
| 01/29/2008 | US7323017 Nitrided valve metal material and method of making same |
| 01/24/2008 | US20080020509 Thin film materials of amorphous metal oxides |
| 01/24/2008 | US20080017278 High Melting Point Metal Based Alloy Material Lexhibiting High Strength and High Recrystallization Temperature and Method for Production Thereof |
| 01/23/2008 | EP1432841B1 Method for heat-treating work pieces made of temperature-resistant steels |
| 01/23/2008 | EP1401324A4 Surgicals metals with improved hardness and methods of making same |
| 01/23/2008 | CN101110362A Method for improving thin thermal oxidation film |
| 01/23/2008 | CN101109063A Modifying processing method of vulcanizing surface of metallic base band for coating conductor |
| 01/23/2008 | CN100363529C Permeation promoter for organic RE chemical heat treatment and its application |
| 01/23/2008 | CN100363528C Chemical heat treatment for solid rare earth accelerant |
| 01/23/2008 | CN100363527C Rare earth vacuum high voltage puls low temp, chemical treating method and system thereof |
| 01/22/2008 | US7320815 Method for forming oriented film, oriented film, substrate for electronic device, liquid crystal panel, and electronic device |
| 01/17/2008 | WO2008007509A1 Process for producing track member, process for producing valve gear, and track member |
| 01/17/2008 | US20080011391 Method for Producing Wear-Resistant and Fatigue-Resistant Edge Layers in Titanium Alloys, and Components Produced Therewith |
| 01/16/2008 | EP1595000B1 Crosscut saw blade and method for the production of crosscut saw blades |
| 01/16/2008 | CN201006894Y Low pressure cement carbon hardening furnace firing space |
| 01/16/2008 | CN101107379A Gas treatment method and computer readable storage medium |
| 01/10/2008 | WO2008006097A2 Covalent modification of metal surfaces |
| 01/10/2008 | US20080006347 Rolling/sliding part and production method thereof |
| 01/10/2008 | US20080006346 Vacuum carburizing apparatus |
| 01/09/2008 | CN101100748A Method for forming colored oxide film layer on nickel plating or chrome plating layer |
| 01/09/2008 | CN101100736A Molecule resonance chemical heat treatment furnace |
| 01/09/2008 | CN100361258C Manufacturing method of electronic transmitting element, electronic source and image forming device using carbon fibre, ink made of carbon fibre |
| 01/03/2008 | US20080003441 Metal material having formed thereon chromium oxide passive film and method for producing the same, and parts contacting with fluid and system |
| 01/03/2008 | US20080003376 Nitriding Method for Improving Surface Characteristics of Cobalt-Chromium Based Alloys |
| 01/03/2008 | US20080003345 Lower alkyl carboxylic acid moieties for preventing oxidative corrosion of metals and organoleptic stabilizer for food and beverages |
| 01/03/2008 | US20080000553 Soft-nitrided parts made of non-heat treated steel |
| 01/03/2008 | US20080000551 Insulating Film Forming Method and Substrate Processing Method |
| 01/03/2008 | US20080000550 Salt Bath Ferritic Nitrocarburizing of Brake Rotors |
| 01/03/2008 | DE102007027933A1 Iron-containing braking rotor for a motor vehicle has an oxide layer containing iron oxide formed on its surfaces |
| 01/02/2008 | EP1873409A2 Rolling/sliding part and production method thereof |
| 01/02/2008 | CN200999849Y Large torquemoment vehicle driving bridge main reducing gear gear wheel |
| 01/02/2008 | CN101096986A Salt bath ferritic nitrocarburizing of brake rotors |
| 01/02/2008 | CN101096789A Fabrication technology of yarn making piece |
| 01/02/2008 | CN100359033C Superfine grain steel having nitrided layer |
| 12/27/2007 | US20070295428 Carburizing Apparatus and Carburizing Method |
| 12/27/2007 | US20070295427 Treated austenitic steel for vehicles |
| 12/27/2007 | US20070295426 Method For Manufacturing Austenitic Stainless Steel, Solder-Melting Tank, And Automatic Soldering Apparatus |
| 12/27/2007 | DE19946327B4 Verfahren zur Senkung der Kernhärte beim Einsatzhärten nichtrostender martensitischer Stähle mit Stickstoff Methods for reducing core hardness case hardening martensitic stainless steels with nitrogen |
| 12/26/2007 | EP1602743B1 Nitrided valve lifter and method for manufacture thereof |
| 12/26/2007 | CN200996031Y Well-typed heat treater |
| 12/26/2007 | CN101092695A A coat layer of gammaí»Ni3Al /gamma-Ni, preparation and application |
| 12/20/2007 | US20070292719 Component comprising a masking layer |
| 12/20/2007 | US20070289675 Useful for milling of steel; mixing hard constituent powders of TiCxN1-x, x =.46-0.70, NbC and WC with powder of Cobalt, pressing into bodies of desired shape, sintering in presnce of N2, carbon monoxide and argon atmosphere |
| 12/19/2007 | CN200992576Y Three-chamber vacumm carbonizing gas/oil quenching multi-purpose furnace |
| 12/19/2007 | CN101090990A Electromagnetic control of chemical catalysis |
| 12/19/2007 | CN101089229A On-line process method for seam surface in kerf sieve tube processing |
| 12/13/2007 | WO2007142373A1 Method for nitriding metal in salt bath and metal manufactured by its method |
| 12/13/2007 | WO2007142007A1 Metal separator for fuel cell and method for producing the same |
| 12/12/2007 | EP1865088A1 Method for tempering stainless steel and fused salt for performing the method |
| 12/12/2007 | EP1864003A1 Gas shuttle valve provided with an anti-corrosive layer |
| 12/12/2007 | CN101087896A Rolling-sliding elements and process for production of the same |
| 12/12/2007 | CN100354453C Layer formation method, and substrate with a layer formed by the method |
| 12/12/2007 | CN100354450C Screw blade carburization process and auxiliary apparatus |
| 12/06/2007 | WO2007137557A2 Method for hardening running surfaces of roller bearing components |