| 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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| 06/25/2003 | CN1426334A Nitrided valve metals and processes for making same |
| 06/25/2003 | CN1425853A Method for producing screw compressor and its rotor |
| 06/24/2003 | US6582833 Ti-base wire rod for forming molten metal |
| 06/24/2003 | US6582470 Surface modification of medical implants |
| 06/19/2003 | WO2003050386A1 Expandable locking thread joint |
| 06/19/2003 | WO2003050321A1 Vacuum carbo-nitriding method |
| 06/19/2003 | WO2003050038A1 Process for producing thin oxide film and production apparatus |
| 06/19/2003 | WO2003049781A1 In-situ oxidized textured surfaces for prosthetic devices and method of making same |
| 06/19/2003 | CA2468512A1 In-situ oxidized textured surfaces for prosthetic devices and method of making same |
| 06/18/2003 | EP1319118A1 Sliding member and method of manufacturing thereof |
| 06/18/2003 | DE10145599C1 Bauteile aus Stahl und Verfahren zur Wärmebehandlung von Bauteilen aus Stahl Steel components and method of heat treatment of components made of steel |
| 06/18/2003 | DE10026721C2 Ventilsystem für einen Verbrennungsmotor A valve system for an internal combustion engine |
| 06/18/2003 | CN1424510A Production for sliding vane of compressor |
| 06/18/2003 | CN1424426A Electrical heating method for metallic work piece heat treating furnaces |
| 06/18/2003 | CN1424425A Composite heat treatment |
| 06/17/2003 | US6579567 Process for selectively masking turbine components during vapor phase diffusion coating |
| 06/17/2003 | US6579493 Process for removal of binders from parts produced by powder injection molding |
| 06/17/2003 | US6579384 Ball for constant-velocity joint and method of manufacturing such ball |
| 06/12/2003 | WO2003048405A1 Method and apparatus for vacuum heat treatment |
| 06/12/2003 | WO2003048404A2 Method for the production of thin poorly-soluble coatings |
| 06/12/2003 | US20030108659 Implantable metallic medical articles having microporous surface structure |
| 06/12/2003 | US20030108446 Screw compressor and method of manufacturing rotor for the same |
| 06/12/2003 | US20030107213 Expandable locking thread joint |
| 06/12/2003 | US20030106618 Expandable locking thread joint |
| 06/12/2003 | US20030106617 Surface treatment for ferrous components |
| 06/11/2003 | EP1318696A1 Method for electrically heating a furnace for thermal treatment of metallic workpieces |
| 06/11/2003 | EP1318529A2 Surface hardened soft magnetic actuator part and fabrication process |
| 06/11/2003 | EP1318206A1 Use of a copper-aluminium alloy with defined coatings as bearings material for the fabrication of wear resistant sliding bearings |
| 06/11/2003 | CN1423709A Modified low temperature case hardening processes |
| 06/11/2003 | CN1422975A Iron and steel part surface oxidizing method |
| 06/10/2003 | US6576067 Controlled roughening by grit blasting after polishing |
| 06/05/2003 | WO2003008664A3 Method of making a passivated surface |
| 06/05/2003 | US20030102054 Rolling, sliding part and process for producing same |
| 06/04/2003 | CN1422510A Twin plasma torch apparatus |
| 06/04/2003 | CN1421541A Bearing parts, Heat treatment method of bearing parts and rolling bearing |
| 06/04/2003 | CN1110579C Plasma reinforcement technology for the surface of tantalum spinning jet |
| 06/04/2003 | CN1110349C Composite materials for membrane reactors |
| 06/03/2003 | US6573209 Zirconium nitride and yttrium nitride solid solution composition |
| 06/03/2003 | US6572981 Thermal barrier coating system with improved aluminide bond coat and method therefor |
| 06/03/2003 | US6572933 Combining plasma based implantation and deposition increasing film thickness and reducing stress |
| 05/29/2003 | US20030098531 Method and apparatus of producing thin film of metal or metal compound |
| 05/29/2003 | US20030098301 Method for electrical heating of furnaces for heat treatment of metallic workpieces |
| 05/29/2003 | US20030098090 Surface coatings |
| 05/28/2003 | DE10202184C1 Production of wear resistant layers in regions of components close to the surface comprises using a laser nitriding treatment in which energy is applied to the surface so that a re-melting layer forms in the regions close to the surface |
| 05/28/2003 | CN2553091Y Mud drum-preventing downhole tool |
| 05/27/2003 | US6569267 High bearing pressure-resistant member |
| 05/27/2003 | US6569266 Nitrided steel sliding member having improved wear resistance and fatigue strength |
| 05/22/2003 | US20030094215 Rolling support device and method for manufacturing the same |
| 05/22/2003 | DE10159949C1 Use of a copper-aluminum alloy as bearing material in the manufacture of wear resistant sliding bearings used in the car industry |
| 05/21/2003 | EP1312696A2 Metal barrier film production apparatus, metal barrier film production method, metal film production method, and metal film production apparatus |
| 05/21/2003 | EP1312694A2 Rolling, sliding part and process for producing same |
| 05/21/2003 | EP1312688A1 Nickel-based alloy product and process for producing the same |
| 05/21/2003 | CN2551656Y Vacuum shaft type non-pot ion cement carbon multipurpose furnace |
| 05/21/2003 | CN1419520A Method of forming titanium oxide film and titanium electrolytic capacitor |
| 05/20/2003 | US6565672 Heating; controlling oxidation |
| 05/15/2003 | WO2003041151A1 Method and device for forming oxide film |
| 05/15/2003 | US20030091739 Nitriding; suppress diffusion |
| 05/15/2003 | US20030091256 Rolling bearing component |
| 05/15/2003 | US20030089426 Vacuum carburizing with napthene hydrocarbons |
| 05/15/2003 | US20030089343 Fuel pump and direct fuel injection engine |
| 05/14/2003 | EP1310577A1 Fuel pump and direct fuel injection engine |
| 05/14/2003 | CN1417499A Antiwear coating and silent chain with the coating |
| 05/14/2003 | CN1417477A Vane of rotary compressor and its making process |
| 05/13/2003 | US6563072 Welding technique for forming passive chromium oxide film in weld and gas feed system for welding |
| 05/13/2003 | US6562152 Improved workability and plating adhesion, comprising 0.03 to 2.0% by weight of nitrogen and having a volume fraction of retained austenite of 3-20%; automobiles, buildings, electric apparatus; excellent punch stretching when press forming |
| 05/13/2003 | US6562151 Steel; high frequency quenching |
| 05/08/2003 | WO2003038134A1 Method for forming pearlite in an iron based article. |
| 05/08/2003 | WO2003008822A3 Enhanced capacity bearing |
| 05/08/2003 | WO2002063195A3 Tube fitting with separable tube gripping ring |
| 05/08/2003 | WO2002035221A9 Method for chlorine plasma modification of silver electrodes |
| 05/08/2003 | US20030087747 Wear-resistant coating and silent chain coated with same |
| 05/08/2003 | US20030087723 Toroidal continuously variable transmission |
| 05/08/2003 | US20030085199 Which can increase decomposition efficiency of organic substance or production of hypochlorous acid by improving performance of catalytic oxide anode |
| 05/08/2003 | US20030084969 Ti-base wirerod for forming molten metal |
| 05/08/2003 | US20030084963 Low temperature nitriding salt and method of use |
| 05/08/2003 | DE10147205C1 Verfahren zur Wärmebehandlung von Werkstücken aus temperaturbeständigen Stählen Process for the heat treatment of workpieces made of heat-resistant steels |
| 05/08/2003 | CA2464657A1 Method for forming pearlite in an iron based article |
| 05/07/2003 | EP1308534A1 Low temperature nitrocarburizing salt and method of use |
| 05/07/2003 | EP1307598A1 Method for generating nanostructures and device for treating nanostructures |
| 05/07/2003 | EP1288327A9 TI alloy surface treatment |
| 05/07/2003 | EP1007763A4 Method of reducing metal contamination during semiconductor processing in a reactor having metal components |
| 05/06/2003 | US6558806 Heat-resistant structural body, halogen-based corrosive gas-resistant material and halogen-based corrosive gas-resistant structural body |
| 05/02/2003 | EP1306468A1 Titanium material less susceptible to discoloration and method for production thereof |
| 05/02/2003 | EP1306462A2 Process and apparatus for measuring and controlling the carburising atmosphere in a vacuum carburising installation |
| 05/02/2003 | EP1306258A1 Stainless steel fuel tank for automobile |
| 05/02/2003 | EP1306144A1 Method for the continuous surface treatment of an aluminium profile |
| 05/02/2003 | EP1165852A4 Surface treatment method and treatment apparatus |
| 05/01/2003 | WO2003035923A1 Method for making coloured parts |
| 05/01/2003 | WO2003035922A1 Method for press working, plated steel product for use therein and method for producing the steel product |
| 05/01/2003 | US20030079808 Corrosion resistance, durability, efficiency |
| 05/01/2003 | US20030079806 Reactive heat treatment to form pearlite from an iron containing article |
| 04/30/2003 | CN1107124C Modification of surfaces of polymers, polymers with modified surface |
| 04/29/2003 | US6554914 Passivation of copper in dual damascene metalization |
| 04/29/2003 | US6553957 Combination of cylinder liner and piston ring of internal combustion engine |
| 04/24/2003 | WO2003033757A1 Method for producing nitriding steel |
| 04/24/2003 | US20030075244 Carbide dispersed in matrix, carbide having average particle size of not more than 0.3 mu m and a carbon content ranging from 0.6 to 1.5 mass percent in outer surface thereof |
| 04/23/2003 | EP1304393A1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block |
| 04/23/2003 | CN1412343A Bicathode-high frequency glow ion diffusion coating equipment and its process |
| 04/23/2003 | CN1106454C Nitriding method for steel |
| 04/22/2003 | US6552280 Surface-hardened austenitic stainless steel precision weight and process of making same |