| 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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| 01/14/2004 | EP1380672A1 Highly oxidation resistant component |
| 01/14/2004 | EP1230415B1 Method for nitro-carburization of metal workpieces |
| 01/14/2004 | CN1467801A Method for low temperature oxidation of silicon and used apparatus |
| 01/14/2004 | CN1134554C Nitrated steel with improved wear-resisting and fatigue strength-resisting features and its sliding structural part |
| 01/08/2004 | US20040006435 Systems and methods for controlling the activity of carbon in heat treating atmospheres |
| 01/08/2004 | US20040006249 Optical thin film |
| 01/08/2004 | US20040005412 Organometallic precursor mixture for forming metal alloy pattern and method of forming metal alloy pattern using the same |
| 01/08/2004 | US20040005409 Improve vapor phase diffusion coating of articles. The apparatus provides a barrier to segregate the portion of the article requiring coating from the portion of the article not requiring coating. The fixture is reusable, being unaffected |
| 01/08/2004 | US20040005103 Rolling bearing and belt continuously variable transmission |
| 01/08/2004 | US20040003869 Steel material production method |
| 01/07/2004 | CN1133754C Pre-oxidation permeation-promoting high-temp short-time nitridizing technology |
| 01/06/2004 | US6673387 Heating metal oxyfluoride intermediate on surface of vessel; forming oxide superconductor |
| 01/02/2004 | EP1374984A1 Titanium alloy vacuum container and vacuum part |
| 01/02/2004 | EP1373278A1 Metalloamide and aminosilane precursors for cvd formation of dielectric thin films |
| 01/01/2004 | US20040002766 Prosthetic devices having diffusion-hardened surfaces and bioceramic coatings |
| 01/01/2004 | US20040000357 Method for assembling and hardening a ball plug in a counterbore of a fuel injector nozzle assembly |
| 12/31/2003 | CN1464946A 保持器 Holder |
| 12/31/2003 | CN1464942A Fuel injection valve for internal combustion engines and a method for hardening said valve |
| 12/31/2003 | CN1464809A Welding electrode made of tungsten or a tungsten alloy |
| 12/31/2003 | CN1132960C 耐污染的研磨加工不锈钢板及其制造方法 Resistant to pollution of polished stainless steel sheet and manufacturing method thereof |
| 12/30/2003 | US6670050 Titanium-based heat exchangers and methods of manufacture |
| 12/30/2003 | US6670048 Sintered sprocket |
| 12/30/2003 | US6669825 Modifying dielectric overcoating on substrate |
| 12/30/2003 | US6669823 Process for preparing nanostructured materials of controlled surface chemistry |
| 12/30/2003 | US6669470 Method for operating manufacturing equipment including heating furnace |
| 12/30/2003 | CA2091647C Method for the surface treatment of a metal by atmospheric pressure plasma |
| 12/25/2003 | US20030234064 Method of manufacturing corrosion-resistant welding electrodes made of tungsten or a tungsten alloy |
| 12/24/2003 | WO2003106016A1 Process for preparing nanostructured materials of controlled surface chemistry |
| 12/23/2003 | US6666792 Power roller bearing formed of alloy steel and subjected to carburizing, polishing, or carbonitriding |
| 12/18/2003 | WO2003104516A1 Method of gas carburizing |
| 12/18/2003 | WO2003104515A1 Method of gas carburizing |
| 12/18/2003 | WO2003104514A1 Producing atmospheres for high productivity carburizing |
| 12/18/2003 | WO2003103735A1 Nanocrystalline, homo-metallic, protective coatings |
| 12/18/2003 | WO2003079405A3 Method for forming thin film layers by simultaneous doping and sintering |
| 12/18/2003 | US20030231992 Process for preparing nanostructured materials of controlled surface chemistry |
| 12/18/2003 | US20030230479 Process for preparing nanostructured materials of controlled surface chemistry |
| 12/17/2003 | EP1371744A1 Steel material and method for preparation thereof |
| 12/17/2003 | EP1370707A1 Chemical vapour infiltration method for densifying porous substrates having a central passage |
| 12/17/2003 | CN1461818A Atmosphere gas producer and method for carburising |
| 12/17/2003 | CN1131338C Two-stage carbonitriding technology for gear |
| 12/16/2003 | US6663724 Molten salt composition for use in manufacturing laminated rings |
| 12/11/2003 | WO2003102262A1 Composite material for producing an electric contact surface, in addition a method for creating a lubricated, corrosion-free electric contact surface |
| 12/11/2003 | US20030229399 Nano-crystalline, homo-metallic, protective coatings |
| 12/11/2003 | US20030226620 Process and apparatus for producing amtospheres for high productivity carburizing |
| 12/11/2003 | US20030226619 Process and apparatus for producing atmospheres for high productivity carburizing |
| 12/10/2003 | EP1369941A2 Low-contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method |
| 12/10/2003 | CN1461357A Unidirectional silicon steel sheet excellent in adhesion of insulating coating film imparting tensile force and its mfg. method |
| 12/09/2003 | US6660057 Composition comprising tantalum or niobium and compound having silicon-oxygen bond, having specified average particle size; highly reliable capacitors with lower dissipation level of power and smaller deterioration of capacitance |
| 12/04/2003 | WO2003100133A1 Mcral layer |
| 12/04/2003 | WO2003027349A3 Method for heat-treating work pieces made of temperature-resistant steels |
| 12/04/2003 | US20030224619 Method for low temperature oxidation of silicon |
| 12/04/2003 | US20030224162 Transparent conductive film, method for producing same and method for forming pattern |
| 12/04/2003 | US20030222859 Method of producing an internal structure of a PDA pen tube |
| 12/04/2003 | US20030221646 Variable valve timing control device |
| 12/03/2003 | EP1366306A1 Rolling bearing with nitriding steel cylindrical rolling elements |
| 12/02/2003 | US6656293 Forming a compound layer on the surface by thermochemical diffusion treatment and isotropically finishing a portion of said surface that contacts the surface of a second component; track bushing; wear, corrosion resistance |
| 12/02/2003 | US6655026 Carburizing and quenching connecting rod, forming carburized layer at surface, grinding carburized layer formed in bearing portion until depth at which compressive residual stress exhibits maximum value, shot-peening ground surface |
| 11/27/2003 | WO2003098079A1 Method for producing anti-wear coatings on steel piston rings, and steel piston ring comprising one such anti-wear coating |
| 11/27/2003 | WO2003097893A1 Method and device for heat treatment of metallic work pieces |
| 11/27/2003 | WO2003097890A2 Method for surface treatment of a doctor blade element |
| 11/27/2003 | WO2003048404A3 Method for the production of thin poorly-soluble coatings |
| 11/27/2003 | WO2002091452A3 Methods of forming a nitridated surface on a metallic layer and products produced thereby |
| 11/27/2003 | US20030220699 Method of surface oxidizing zirconium and zirconium alloys and resulting product |
| 11/27/2003 | US20030217511 Apparatus and method of generating a carburizing atmosphere |
| 11/26/2003 | EP1365044A1 MCrAl-coating |
| 11/26/2003 | CN1458983A Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing same, and combination of piston ring and cylinder block |
| 11/26/2003 | CN1128926C 活塞环 Piston |
| 11/25/2003 | US6652803 An aluminum or alloy substrate is subjected to a heating treatment in vacuum, subsequently subjected to heating andnitriding treatment environment containing nitrogen gas held in porous bodies, bring in contact with the environment |
| 11/20/2003 | WO2003096389A2 Metal object to be at least partially coated with a substance |
| 11/20/2003 | WO2003095697A1 Method for manufacturing clad components |
| 11/20/2003 | WO2003095696A2 Method and device for eliminating oxide(s) present on the surface of a metal material and for restoring an oxide layer of said surface |
| 11/20/2003 | WO2003095115A1 Method and device for local treatment of substrates |
| 11/20/2003 | WO2003094774A1 A dental or orthopaedic implant |
| 11/20/2003 | WO2003022484A3 Gear rim and gears produced therefrom |
| 11/19/2003 | CN1457373A Low-pressure carburising method |
| 11/19/2003 | CN1128239C Manufacture of electric steel plate with high magnetic flux density orientation |
| 11/19/2003 | CN1128238C Rare earth quickly nitrating steel |
| 11/18/2003 | US6648988 Furnace run length extension by fouling control |
| 11/16/2003 | CA2427188A1 Low-contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell |
| 11/13/2003 | WO2003093527A1 Surface treatment of co-cr based alloys using plasma carburization |
| 11/13/2003 | WO2003064715A9 Bainite type non-refined steel for nitriding, method for production thereof and nitrided product |
| 11/13/2003 | US20030211357 Alloy overcoated with metal oxide; grinding, rolling surface treatment |
| 11/13/2003 | US20030209288 Rigidity bonding metal beads; molding melt; pouring; cooling |
| 11/13/2003 | US20030209287 Multilayer; iron core overcoated with iron oxide dielectric |
| 11/13/2003 | US20030208912 Method for treating blade of hair clipper by ion irradiation |
| 11/12/2003 | EP1361605A1 Method for producing material of electronic device |
| 11/11/2003 | US6645639 Epitaxial oxide films via nitride conversion |
| 11/11/2003 | US6645566 Process for heat treatment nitriding in the presence of titanium and products produced thereby |
| 11/11/2003 | US6645315 Surface treatment process for mechanical parts subject to wear and corrosion |
| 11/06/2003 | US20030207132 The present invention relates to oxides on suitable substrates, as converted from nitride precursors. Oxidation of compounds for fabrication of a ferro-electric device. |
| 11/06/2003 | US20030205297 Using a methane-containing carburization atmosphere to form a soft martensite-free surface case on the component. |
| 11/05/2003 | EP1358418A2 Tube fitting with separable tube gripping ring |
| 11/05/2003 | EP1025275B1 Method for making a composite metal product |
| 11/05/2003 | CN2584614Y Program-control electric pulse type multifunction ion bombardment furnace |
| 11/05/2003 | CN1126826C Circular utilization method of waste gas from gas carburizing furnace |
| 11/04/2003 | US6641908 Metal oxide coated diatomite substrates |
| 11/04/2003 | US6641680 Process for producing inner race for constant velocity joint having improved workability and strength |
| 11/04/2003 | US6641640 Hard material sintered compact with a nickel- and cobalt-free, nitrogenous steel as binder of the hard phase |
| 10/30/2003 | WO2003089184A1 Thermal flux processing by scanning electromagnetic radiation |
| 10/30/2003 | US20030201034 Chemisorption layer |