| 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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| 04/18/2000 | US6051072 Method and apparatus for semiconductor filming |
| 04/13/2000 | WO2000009775A3 Surface treatment of powdered metal sintered parts |
| 04/12/2000 | EP0672194B1 Method and apparatus for controlling heat transfer between a container and workpieces |
| 04/12/2000 | CN1250110A Circular utilization method of waste gas from gas carburizing furnace |
| 04/11/2000 | US6048625 Wear resisting steel, sliding member for cylinder in internal combustion engine, and ring spring |
| 04/06/2000 | WO2000018977A2 Method for vacuum coating metal components |
| 04/06/2000 | WO2000018975A1 Nitriding steel, method for obtaining same and parts formed with said steel |
| 04/06/2000 | DE19845463A1 Wear resistant boride layers are produced, e.g. on steel or titanium alloy substrates, by gas boriding using volatile boron compounds containing boron-oxygen and/or boron-nitrogen bonds |
| 04/06/2000 | DE19844759A1 Zirconium alloy cladding tube production, for PWR or BWR nuclear fuel rod, comprises partially evaporating high vapor pressure alloy constituent from one surface of a semi-finished product of constant composition |
| 04/05/2000 | EP0990061A1 Method and device for vacuum-coating a substrate |
| 04/04/2000 | US6045628 Thin-walled monolithic metal oxide structures made from metals, and methods for manufacturing such structures |
| 03/29/2000 | CN1249005A Continuous annealing furnace, rolling bearing, annealing method, and method of manufacturing inner and outer races of deeply groove ball bearing |
| 03/29/2000 | CN1248959A Production method of iron carbide |
| 03/28/2000 | US6042631 ALN dispersed powder aluminum alloy and method of preparing the same |
| 03/23/2000 | WO2000015862A1 A method and a device for the treatment of a tool, and a medium |
| 03/21/2000 | US6040070 Perovskite type ABO3 with surface layer |
| 03/21/2000 | US6040021 Vapor deposition process for metal films on substrates with metal halide gas, hydrogen and noble gas with metal halide reduction with hydrogen |
| 03/16/2000 | DE19927478A1 Surface hardened steel cutting tool, which may have a large range of cutting applications |
| 03/16/2000 | DE19842105A1 Silicon masking layer system, for producing porous silicon structures useful in optics, chemical sensors and surface micromechanical structures, comprises a silicon dioxide layer, a bond layer and a protective layer |
| 03/15/2000 | EP0985745A1 Bond coat for a thermal barrier coating system |
| 03/15/2000 | EP0985739A1 Method of hardening piston crowns and piston crown |
| 03/15/2000 | EP0985054A1 Method for continuous manufacture of a steel band for drawing with improved surface properties |
| 03/15/2000 | EP0707661B1 Method of low pressure nitriding a metal workpiece and oven for carrying out said method |
| 03/14/2000 | US6037061 Method of forming passive oxide film based on chromium oxide, and stainless steel |
| 03/14/2000 | US6036934 Exposing graphite fluoride to halocarbon and heating to allow halocarbon to diffuse into lamellar crystal structure; heating intermediate to defluorinate and dehalogenate and thereby bridge adjacent graphitic lattic planes |
| 03/14/2000 | CA2048872C Method of forming a nitride or carbonitride layer |
| 03/07/2000 | US6033764 Bumped substrate assembly |
| 03/07/2000 | US6033496 High fatigue strength gear |
| 03/07/2000 | US6033494 Method of blackening a magnetic shield for use in a color CRT |
| 03/03/2000 | WO2000017412A1 Method for treating, by nitriding, a silicon substrate for forming a thin insulating layer |
| 03/02/2000 | WO2000011235A1 Surface treated rolling bearing and manufacturing method thereof |
| 03/02/2000 | WO2000011230A1 Modified nickel-chromium-aluminum-iron alloy |
| 03/02/2000 | CA2341660A1 Modified nickel-chromium-aluminum-iron alloy |
| 03/01/2000 | EP0981822A1 HIGH STRENGTH, DUCTILE, Co-Fe-C SOFT MAGNETIC ALLOY |
| 02/24/2000 | WO2000009776A1 Selective case hardening for metal articles |
| 02/24/2000 | WO2000009775A2 Surface treatment of powdered metal sintered parts |
| 02/24/2000 | WO2000009773A2 Selective case hardening processes at low temperature |
| 02/24/2000 | DE19837220A1 Production of surface-treated sintered components consists of compacting the powder into a pressed blank, sintering the blank into a sintered component, and subjecting the latter to surface treatment process |
| 02/24/2000 | DE19837007A1 Production of a metal component of the vacuum casing of an electron tube involves coating of component surfaces with a substance which reacts with the metal so the surfaces become tarnished with colors |
| 02/23/2000 | EP0980444A1 Steel compositions and methods of processing for producing cold-formed and carburized components with fine-grained microstructures |
| 02/22/2000 | US6028393 E-beam/microwave gas jet PECVD method and apparatus for depositing and/or surface modification of thin film materials |
| 02/22/2000 | US6027577 Applying nitriding treatment to a coiled valve spring made of an oil-tempered wire; first shot-blasting cut wires while the coiled valve spring is rotated in a roller-type shot machine and second for longer time in a tumbling shot machine |
| 02/19/2000 | WO2000011236A1 Method of and device for producing carbide and carbon solid solution containing surface layers |
| 02/17/2000 | WO2000008681A1 Misted precursor deposition apparatus and method with improved mist and mist flow |
| 02/15/2000 | US6024893 Method for controlling a nitriding furnace |
| 02/15/2000 | US6024346 Coil spring resistant to permanent set and fatigue |
| 02/10/2000 | WO2000006960A1 Process for nitriding of metal containing materials |
| 02/10/2000 | WO2000006489A1 Method for forming an oxide film with non-uniform thickness at a silicon substrate surface |
| 02/09/2000 | CN1244220A Process for the treatment of grain oriented silicon steel |
| 02/09/2000 | CN1049252C Compound treatment method for ion nitrogen carbon co-seeping and medium temperature ion |
| 02/02/2000 | EP0975415A1 Composite materials for membrane reactors |
| 02/01/2000 | US6019857 Improved breaking strength at the edge portion as well as spalling resistance of the tooth side. |
| 01/27/2000 | DE19928746A1 Method for controlling the nitriding potential of nitriding furnace is based on determining partial pressure difference within an oxygen probe between furnace atmosphere and dissociated ammonia gas carrier taking the role of reference gas |
| 01/26/2000 | EP0974680A1 Process for the electrolytic production of cyanide in nitrocarburizing molten baths |
| 01/26/2000 | CN1242715A Composite materials for membrane reactors |
| 01/26/2000 | CN1242434A Process for nitriding steel with elimination of cyanogen pollution |
| 01/26/2000 | CN1048762C Zirconium material prefilming method and its equipment |
| 01/25/2000 | US6017488 Method for nitriding a titanium-based carbonitride alloy |
| 01/19/2000 | CN1242058A Process for the production of grain oriented silicon steel sheet |
| 01/19/2000 | CN1242057A Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 01/19/2000 | CN1048526C Producing method for low-carbon alloy steel nailable cement nail or jet nail |
| 01/18/2000 | CA2277495A1 Process for the electrolytic production of cyanide in nitrocarburising melts |
| 01/18/2000 | CA2083317C Plasma ion nitrided stainless steel plates and method for the manufacture and use of same |
| 01/13/2000 | DE19830654A1 Boriermittel Boriermittel |
| 01/12/2000 | EP0971141A1 Rolling bearing |
| 01/12/2000 | EP0971047A1 Boriding agent |
| 01/09/2000 | CA2277006A1 Boriding agent |
| 01/06/2000 | WO2000000658A1 Case hardened steel with high tempering temperature, method for obtaining same and parts formed with said steel |
| 01/05/2000 | EP0969122A1 Surface preparation process for deposition of ceramic coating |
| 01/05/2000 | EP0968011A1 Method of surface oxidizing zirconium alloys and resulting product |
| 01/05/2000 | DE19829872A1 Test procedure for a nitrating furnace |
| 12/29/1999 | EP0722511B1 Oxidation of low chromium steels |
| 12/28/1999 | US6007871 Method of surface treatment for a fishing tackle part made of alloy steel containing chrome |
| 12/28/1999 | US6006763 Surface treatment method |
| 12/16/1999 | WO1999064638A1 Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt |
| 12/15/1999 | CN1047466C Method for blackening Ni-Fe shadow mask and used annealing furnace |
| 12/09/1999 | DE19822904A1 Process for applying a lubricant layer to a surface of a stop plate using an adhesion promoter |
| 12/07/1999 | US5996226 Method of manufacturing push rod balls |
| 12/02/1999 | WO1999061682A1 Method for applying a lubricating layer on an object and object with an adhesive lubricating layer |
| 12/02/1999 | WO1999061368A1 Hydrogen generation from reforming organic molecules using a palladium membrane reactor |
| 12/01/1999 | EP0960951A1 Steel with improved core toughness in case-carburized components |
| 12/01/1999 | CN1236980A Method for fabricating oxide film |
| 12/01/1999 | CN1236823A Process for quickly nitrating steel with rare earth |
| 11/30/1999 | US5992346 Apparatus for the surface treatment of workpieces |
| 11/25/1999 | DE19822936A1 Applying a lubricating layer to the surface of a cylinder face |
| 11/25/1999 | DE19822935A1 Applying lubricating layer to the surface of a form tool |
| 11/25/1999 | DE19822934A1 Applying lubricating layer to the surface of an object |
| 11/25/1999 | DE19822932A1 Process for applying a lubricating layer to the surface of a connecting rod |
| 11/25/1999 | DE19822931A1 Process for applying a lubricating layer to the surface of a gear wheel |
| 11/25/1999 | DE19822930A1 Applying a lubricating layer to the surface of a valve |
| 11/25/1999 | DE19822929A1 Applying a lubricating layer to the surface of an object |
| 11/25/1999 | DE19822928A1 Applying lubricating layer to the surface of the chain |
| 11/25/1999 | DE19822927A1 Process for applying a lubricating layer to the surface of a camshaft |
| 11/25/1999 | DE19822926A1 Applying a lubricating layer to the surface of a tool |
| 11/25/1999 | DE19822925A1 Applying lubricating layer to the surface of a bushing |
| 11/25/1999 | DE19822903A1 Applying lubricating layer to the surface of a slide tappet |
| 11/25/1999 | DE19822901A1 Applying lubricating layer to the surface of a piston |
| 11/25/1999 | DE19822900A1 Applying a lubricating layer to the surface of a valve lifter |
| 11/25/1999 | DE19822899A1 Applying lubricating layer to the surface of an engine component |
| 11/25/1999 | DE19822898A1 Applying a lubricating layer to the surface of a valve clamping washer |