| Patents for C23C 12 - Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces (529) |
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| 06/29/2005 | CN1208496C Method for preparing boron target |
| 05/24/2005 | CA2332944C Light metal cylinder block, method for producing same and device for carrying out the method |
| 05/18/2005 | CN1616706A Surface or local gradient reinforced wear resistant manganese steel composite material and preparing process |
| 05/11/2005 | CN1614074A Rare-earth, carbon and nitrogen co-permeating agent and its preparation |
| 04/28/2005 | US20050089752 Surface treated steel sheet for battery case, battery case and battery using the case |
| 04/14/2005 | WO2004101841A3 Method for producing ceramic gradient layers on a metallic substrate by means of an in situ reaction with non-oxidising precursor in a si-c-n (m) system |
| 04/14/2005 | US20050079116 High strength tape; oxide superconductor overcoated with silver layer diffused with copper |
| 03/16/2005 | CN1594643A Tooth body strengthening technology for pickaxe teeth of coal winning machine |
| 03/02/2005 | EP1509632A2 Method for surface treatment of a doctor blade element |
| 02/24/2005 | US20050042440 Magnesium workpiece and method for generation of an anti-corrosion coating on a magnesium workpiece |
| 01/19/2005 | EP1498963A1 Surface treated steel sheet for battery case, battery case and battery using the case |
| 01/12/2005 | CN1563475A Treatment technique for strengthening surface through concurrent infiltrations from five aspects for tire mold |
| 12/09/2004 | DE10321728A1 Verfahren zur Erzeugung von keramischen Gradientenschichten auf metallischen Substraten durch eine in situ-Reaktion mit nichtoxidischen Precursoren im System Si-CN(-M) A process for the production of ceramic gradient layers on metallic substrates by an in situ reaction with non-oxide precursors in the system Si-CN (-M) |
| 12/08/2004 | EP1483784A2 Method for forming thin film layers by simultaneous doping and sintering |
| 11/25/2004 | WO2004101841A2 Method for producing ceramic gradient layers on a metallic substrate by means of an in situ reaction with non-oxidising precursor in a si-c-n (m) system |
| 11/23/2004 | US6821447 Friction member and a method for its surface treatment |
| 11/04/2004 | US20040219730 Method of forming semiconductor compound film for fabrication of electronic device and film produced by same |
| 10/28/2004 | WO2004091846A1 Heat exchanger and process for fabricating same |
| 09/28/2004 | US6797916 Light metal cylinder block, method of producing same and device for carrying out the method |
| 09/22/2004 | EP1458900A1 Magnesium workpiece and method for generation of an anti-corrosion coating on a magnesium workpiece |
| 09/15/2004 | CN1166808C Plasma co-diffusion process of metal and non-metal elements |
| 09/10/2004 | WO2004076709A1 Iron-based parts and method for manufacture thereof |
| 08/26/2004 | WO2003097890A3 Method for surface treatment of a doctor blade element |
| 06/16/2004 | EP1428243A2 Method of forming semiconductor compound film for fabrication of electronic device and film produced by same |
| 06/02/2004 | EP1423480A1 Cubic boron nitride composition, coating and articles made therefrom, methods of making and using said composition, coating and articles |
| 06/01/2004 | US6743531 Oxide superconducting conductor and its production method |
| 04/08/2004 | WO2002084708A3 Method of forming semiconductor compound film for fabrication of electronic device and film produced by same |
| 04/07/2004 | CN1488007A Method of salt bath nitriding for producing iron member having improved corrosion resistance and iron parts |
| 03/17/2004 | CN1482273A Heat treatment method for knife-edge tungsten carbide |
| 03/17/2004 | CN1142318C Diamond-cobalt boron compound wear-resistant composite coating of carbide tool and preparation process thereof |
| 03/16/2004 | CA2112229C Multiple aluminide-silicide coating |
| 02/12/2004 | US20040025971 Nitriding; overcoating with iron, lithium oxide complex |
| 01/20/2004 | US6680129 .7-1.2% carbon and 4-12% chromium; applying a group 5 metal with an atomic number of < 41 to the surface by agitating with a halide catalyst at 1600-2000 degrees f |
| 01/06/2004 | US6673449 Net molded tantalum carbide rocket nozzle throat and method of making |
| 12/18/2003 | WO2003079405A3 Method for forming thin film layers by simultaneous doping and sintering |
| 11/27/2003 | WO2003098718A1 Surface treated steel sheet for battery case, battery case and battery using the case |
| 11/27/2003 | WO2003097890A2 Method for surface treatment of a doctor blade element |
| 10/01/2003 | EP1165983B1 A friction member and a method for its surface treatment |
| 09/25/2003 | WO2003079405A2 Method for forming thin film layers by simultaneous doping and sintering |
| 09/25/2003 | US20030181068 Methods for forming thin film layers by simultaneous doping and sintering |
| 09/24/2003 | EP1347075A1 Method of salt bath nitriding for producing iron member having improved corrosion resistance and iron parts |
| 09/18/2003 | US20030175558 MoSi2-Si3N4 composite coating and manufacturing method thereof |
| 09/03/2003 | CN1440465A Carbide coated steel articles and method of making them |
| 08/27/2003 | CN1439062A Surface alloyed high temperature alloys |
| 08/19/2003 | US6607850 Hard steel articles |
| 08/19/2003 | US6607782 Depositing solid particles comprising nitrides, carbides, carbonitrides, borides, oxides, sulfides, and/or silicides; infiltration with gas to form composite |
| 07/17/2003 | US20030134749 Oxide superconducting conductor and its production method |
| 07/10/2003 | WO2003056055A1 Magnesium workpiece and method for generation of an anti-corrosion coating on a magnesium workpiece |
| 07/10/2003 | US20030126855 Net molded tantalum carbide rocket nozzle throat |
| 07/10/2003 | DE10163107C1 Magnesium-Werkstück und Verfahren zur Ausbildung einer korrosionsschützenden Deckschicht eines Magnesium-Werkstücks Magnesium workpiece and method for forming a corrosion-protective top layer of a magnesium-workpiece |
| 07/10/2003 | CA2473501A1 Magnesium workpiece and method for generation of an anti-corrosion coating on a magnesium workpiece |
| 06/26/2003 | US20030118859 Diffusion barrier; protective coating of alumina, chromium oxide |
| 06/24/2003 | US6582765 Carbide coated steel articles and method of making them |
| 06/10/2003 | US6575130 Light metal cylinder block, method of producing same and device for carrying out the method |
| 06/05/2003 | US20030104255 Chemical deposition includes drawing a small amount of chromium from the steel substrate into the vanadium or niobium carbide coating to provide adhesion strength |
| 05/29/2003 | US20030098093 .7-1.2% carbon and 4-12% chromium; applying a group 5 metal with an atomic number of < 41 to the surface by agitating with a halide catalyst at 1600-2000 degrees f |
| 05/14/2003 | EP1309523A1 Net molded tantalum carbide rocket nozzle throat |
| 05/08/2003 | US20030087749 Cubic boron nitride composition, coating and articles made therefrom, methods of making and using said composition, coating and articles |
| 03/26/2003 | EP1294961A2 Carbide coated steel articles and method of making them |
| 03/19/2003 | EP1292720A2 Surface alloyed high temperature alloys |
| 02/05/2003 | CN1395261A Oxide superconductor and its manufacturing method |
| 02/05/2003 | CN1394983A Method for preparing boron target |
| 01/30/2003 | US20030022026 Wear resistant tool |
| 01/28/2003 | US6510694 Net molded tantalum carbide rocket nozzle throat |
| 01/09/2003 | WO2003002673A1 Cubic boron nitride composition, coating and articles made therefrom, methods of making and using said composition, coating and articles |
| 01/07/2003 | US6503347 Surface alloyed high temperature alloys |
| 01/07/2003 | US6503340 Method for producing chromium carbide coatings |
| 01/02/2003 | EP1271666A2 Oxide superconductor layer and its production method |
| 12/19/2002 | US20020189716 Deposition and thermal diffusion of borides and carbides of refractory metals |
| 11/19/2002 | US6482467 Ejection powder and reactive gas are ejected onto a surface of a metal or ceramic, the powder is heated on the surface and reacted with the gas, the product such as nitride is adsorbed, to diffuse and penetrate the surface; thin films |
| 10/24/2002 | WO2002084708A2 Method of forming semiconductor compound film for fabrication of electronic device and film produced by same |
| 10/24/2002 | US20020153359 Light metal cylinder block, method of producing same and device for carrying out the method |
| 10/01/2002 | US6458218 Deposition and thermal diffusion of borides and carbides of refractory metals |
| 09/12/2002 | WO2002070774A1 Method for hardening metal workpieces |
| 09/10/2002 | US6447932 Nitrided zone inhibits the formation in the substrate of an secondary reaction zone containing deleterious topologically-close packed zone |
| 08/27/2002 | US6440496 Method of forming a diffusion aluminide coating |
| 08/08/2002 | WO2001090441A3 Surface alloyed high temperature alloys |
| 08/06/2002 | US6428849 Method for the co-deposition of silicon and nitrogen on stainless steel surface |
| 07/18/2002 | US20020092585 A layer of the refractory metal deposited on the substrate, atleast one of the elements boron and carbon is deposited from other source, workpiece is heated to diffuse metal into substrate, deposited boron or carbon form a bond with metal |
| 07/11/2002 | WO2002053793A1 Duplex process of diffusion forming of hard carbide layers on metallic materials |
| 06/25/2002 | US6410154 Tial-based alloys with excellent oxidation resistance, and method for producing the same |
| 06/06/2002 | WO2002044438A1 Method of salt bath nitriding for producing iron member having improved corrosion resistance and iron parts |
| 05/30/2002 | WO2002002843A3 Carbide coated steel articles and method of making them |
| 05/21/2002 | US6390050 Light metal cylinder block, method of producing same and device for carrying out the method |
| 05/14/2002 | US6387194 Protective coatings |
| 05/01/2002 | CN1346902A Plasma co-diffusion process of metal and non-metal elements |
| 04/02/2002 | US6364965 Heating in vacuum |
| 03/21/2002 | US20020033160 Light metal cylinder block, method of producing same and device for carrying out the method |
| 03/14/2002 | US20020031687 Carbide coated steel articles and method of making them |
| 02/13/2002 | CN1335422A Weaving steel heald with alloy surface and its manufacture |
| 01/24/2002 | US20020009542 Ejection powder and reactive gas are ejected onto a surface of a metal or ceramic, the powder is heated on the surface and reacted with the gas, the product such as nitride is adsorbed, to diffuse and penetrate the surface; thin films |
| 01/24/2002 | US20020009383 High temperature heat resistance; overcoating alloy with oxide |
| 01/17/2002 | WO2002004382A1 Net molded tantalum carbide rocket nozzle throat |
| 01/10/2002 | WO2002002843A2 Carbide coated steel articles and method of making them |
| 01/02/2002 | EP1165983A1 A friction member and a method for its surface treatment |
| 12/11/2001 | US6328818 Nitriding-treating ferrous material to form nitrided layer composed iron nitride and iron carbide nitride on surface and heating in molten salt bath of treating agent, whereby chromium is diffused into nitrided layer |
| 11/29/2001 | WO2001090441A2 Surface alloyed high temperature alloys |
| 11/25/2001 | CA2357232A1 Surface alloyed high temperature alloys |
| 09/04/2001 | CA2175439C Surface alloyed high temperature alloys |
| 08/08/2001 | EP0956373B1 Surface alloyed high temperature alloys |