| 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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| 03/18/2004 | WO2004007789A3 Case-hardening of stainless steel |
| 03/18/2004 | WO2003067672A3 Methods and reactors for forming superconductor layers |
| 03/18/2004 | US20040050456 Fuel injection valve for internal combustion engines and a method for hardening the said valve |
| 03/17/2004 | EP1198606B1 Protective iron oxide scale on heat-treated irons and steels |
| 03/17/2004 | CN1142318C Diamond-cobalt boron compound wear-resistant composite coating of carbide tool and preparation process thereof |
| 03/17/2004 | CN1142315C Rapid high-temperature gas nitriding process for TiAl base alloy |
| 03/16/2004 | US6706327 Method of making cemented carbide body |
| 03/11/2004 | WO2004020878A1 Side rail for combination oil ring and method of nitriding the same |
| 03/11/2004 | WO2004020685A1 Member made of steel product having layers formed thereon and method for producing member |
| 03/11/2004 | US20040048134 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 |
| 03/11/2004 | US20040048092 Preparing a structure including columnar members and an area surrounding each of columnar members; removing columnar members from structure to form a porous body; filling porous body with a functional material |
| 03/11/2004 | US20040047757 High-hardness, high-toughness steels and crawler components, earth wear resistant components, fastening bolts, high-toughness gears, high-toughness, high contact pressure resistance gears, and wear resistant steel plates using the same |
| 03/11/2004 | US20040045807 Process for preparing nanostructured materials of controlled surface chemistry |
| 03/11/2004 | US20040045636 Method for treating the surface of a part and resulting part |
| 03/11/2004 | US20040045507 Apparatus for plasma doping |
| 03/11/2004 | DE10339711A1 Kolben mit Kolbenring Piston with piston ring |
| 03/10/2004 | EP1396621A1 Surface-reformed exhaust gas guide assembly of vgs type turbo charger, and method of surface-reforming component member thereof |
| 03/10/2004 | EP1396553A1 Producing metal member with enhanced corrosion resistance by salt bath nitriding |
| 03/10/2004 | CN1481446A Process for prodn. of grain oriented electrical steel |
| 03/04/2004 | US20040040631 Nitriding surface of martensite stainless steels |
| 03/04/2004 | US20040040630 Method of producing metal member with enhanced corrosion resistance by salt bath nitriding |
| 03/04/2004 | US20040040436 Combination of piston and piston ring |
| 03/04/2004 | DE19717825B4 Verfahren zur Aluminiumnitrid-Beschichtung der Zylinderlauffläche eines Kurbelgehäuses aus einer Al-Basislegierung und entsprechendes Kurbelgehäuse A process for the aluminum nitride coating on the cylinder surface of a crank case of an Al-base alloy and crankcase corresponding |
| 03/03/2004 | EP1393008A1 Titanium-based heat exchangers and methods of manufacture |
| 03/03/2004 | CN1479568A Wave soldering equipment |
| 03/03/2004 | CN1140649C Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby |
| 03/02/2004 | US6699603 For handling corrosive gasses |
| 03/02/2004 | US6699540 Materials of packing and packing made from the materials |
| 03/02/2004 | US6699333 Comprised of at least silicon, chromium, nickel, molybdenum, carbon and iron; allows high tempering temperature; having elevated temperature hardness; preserves core properties |
| 03/02/2004 | US6698763 Piston ring |
| 02/26/2004 | WO2002036844A3 Alpha al2o3 and ti2o3 protective coatings on aluminide substrates |
| 02/26/2004 | US20040038111 Conductive coatings for PEM fuel cell electrodes |
| 02/26/2004 | US20040035499 Rolling elements |
| 02/25/2004 | EP1391531A2 Thermal barrier coating with nitride particles |
| 02/25/2004 | EP1391525A1 Process and apparatus for blackening components |
| 02/25/2004 | CN1478152A 涂布装置 Coating device |
| 02/25/2004 | CN1477321A Cylinder jacket preparation process |
| 02/24/2004 | CA2072160C Alumina coated sintered body |
| 02/19/2004 | WO2004015170A1 PROCESS FOR PRODUCING ALUMINA COATING COMPOSED MAINLY OF α-TYPE CRYSTAL STRUCTURE, ALUMINA COATING COMPOSED MAINLY OF α-TYPE CRYSTAL STRUCTURE, LAMINATE COATING INCLUDING THE ALUMINA COATING, MEMBER CLAD WITH THE ALUMINA COATING OR LAMINATE COATING, PROCESS FOR PRODUCING THE MEMBER, AND PHYSICAL EVAPORATION APPARATU |
| 02/19/2004 | WO2004015160A1 Method for manufacturing stainless steel product by nitrogen absorption treatment and stainless steel product produced by the method |
| 02/19/2004 | WO2004015159A2 Wear-resistant stainless cutting element of an electric shaver, electric shaver, and method of producing such a cutting element |
| 02/19/2004 | WO2004015151A1 Titanium alloys excellent in hydrogen absorption-resistance |
| 02/19/2004 | US20040034432 Mobile bearing tibial base prosthetic devices employing oxidized zirconium surfaces |
| 02/19/2004 | US20040033339 Porous body and method of manufacturing the same |
| 02/19/2004 | US20040031772 Preventing gate oxice thinning effect in a recess LOCOS process |
| 02/19/2004 | US20040031440 Forming thin films of silicon oxide on silicon wafers, by heating in furnaces having gas flow passageways, then purging with inert gases to remove impurities; oxidation |
| 02/19/2004 | DE19825054B4 Verfahren und Vorrichtung zur Bearbeitung einer Oberfläche eines Metallwerkstücks Method and apparatus for processing a surface of a metal workpiece |
| 02/19/2004 | DE10235131A1 Verfahren und Vorrichtung zum Schwärzen von Bauteilen Method and apparatus for blackening of components |
| 02/18/2004 | CN1475678A Breaking subdivision structure for connecting rod |
| 02/17/2004 | US6692839 Titanium based composites and coatings and methods of production |
| 02/17/2004 | US6692838 Preventing metal dusting of metal surfaces exposed to carbon supersaturated environments comprising metal alloy comprising alloying metals and base metals and protective oxide coating comprising at least two oxide layers |
| 02/12/2004 | WO2004013367A2 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 02/12/2004 | WO2004013366A2 Method for the production of a hydrophilic substrate provided with a layer electrode |
| 02/12/2004 | US20040025971 Nitriding; overcoating with iron, lithium oxide complex |
| 02/12/2004 | US20040025340 Fracture split method for connecting rod |
| 02/12/2004 | DE19721114B4 Verfahren zum Erzeugen einer Oxidschicht auf Siliciumcarbid und Verwendung des Verfahrens A method of producing an oxide layer on silicon carbide and using the method |
| 02/12/2004 | DE10156326B4 Verfahren zur Oberflächendekoration und zum Oberflächenhärten von ferrometallischen Teilen A method for surface decoration and for surface hardening of ferro-metallic parts |
| 02/11/2004 | EP1388592A1 Process and apparatus for isolating a surface area of a workpiece |
| 02/11/2004 | CN1473952A Method for treating material surface under nornal temperature with microvave plasma and laser |
| 02/11/2004 | CN1473950A Process for producing high nitrogen chrome iron using non-pressure container type vacuum resistor furnace |
| 02/11/2004 | CN1138019C Normal-pressure non-equilibrium plasma equipment and technology for reinforcement of metal surface |
| 02/05/2004 | WO2004011793A1 Piston ring |
| 02/05/2004 | US20040023020 Thermal barrier coating utilizing a dispersion strengthened metallic bond coat |
| 02/05/2004 | US20040022944 Method and device for blacking components |
| 02/05/2004 | US20040021270 Two piece oil control ring with nitrided surface layers |
| 02/05/2004 | DE19730372B4 Reinigung und Entpassivierung von zu nitrierenden oder nitrocarburierenden Oberflächen mit leichten Säuren Cleaning and depassivation of to be nitrated or nitrocarburierenden surfaces with mild acids |
| 02/05/2004 | DE10234114A1 Verfahren zur Herstellung eines mit einer Schichtelektrode versehenen hydrophilen Substrats A method for producing a layer electrode provided with a hydrophilic substrate |
| 02/05/2004 | DE10232289A1 Production of a homogeneous oxide layer on a metal component comprises heating the metal component in a vacuum chamber, and impinging the chamber with an oxygen-containing reaction gas |
| 02/04/2004 | CN1473249A Two piece oil control ring with nitrided surface layers |
| 02/04/2004 | CN1137283C Diamond cementation treatment process on steel surface |
| 02/03/2004 | US6686061 Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom |
| 02/03/2004 | US6685764 Exposing molten reactive metal to gaseous mixture comprising fluorocarbon selected from perfluoroketones and/or hydrofluoroketones, to protect metal from reacting with oxygen in air |
| 01/29/2004 | WO2003016582A3 Method for increasing the dynamic stability under load of a toothed structural component |
| 01/29/2004 | WO2002098275A3 Surgicals metals with improved hardness and methods of making same |
| 01/29/2004 | US20040018452 Prepassivation before cleaning |
| 01/29/2004 | DE10232432A1 Verfahren und Vorrichtung zum Unterdruckaufkohlen Method and apparatus for Unterdruckaufkohlen |
| 01/28/2004 | CN2601258Y Controllable gas nitriding appts. |
| 01/28/2004 | CN1136330C Controlling method and apparatus for furnace inner Co content for metal part cementing carbon and carbonitriding |
| 01/27/2004 | US6682227 Rolling bearing component |
| 01/27/2004 | US6681735 Sliding member and method of manufacturing thereof |
| 01/22/2004 | WO2004007789A2 Case-hardening of stainless steel |
| 01/22/2004 | WO2004007788A1 Method of case hardening titanium and zirconium alloys |
| 01/22/2004 | WO2004007779A1 Vacuum carburizing method and device |
| 01/22/2004 | DE10152204B4 Vorrichtung und Verfahren zum Messen und/oder Regeln der Aufkohlungsatmophäre in einer Vakuumaufkohlungsanlage Apparatus and method for measuring and / or controlling the Aufkohlungsatmophäre in a Vakuumaufkohlungsanlage |
| 01/21/2004 | EP1382866A2 Connecting rod with a split rod-eye |
| 01/21/2004 | EP1382717A1 Unidirectional silicon steel sheet excellent in adhesion of insulating coating film imparting tensile force |
| 01/20/2004 | US6679954 Controlled martensite-austenite surface structure; low cost iron and chromium alloy containing minor amounts of carbon, silicon, manganese, nickel, nitrogen and molybdenum |
| 01/20/2004 | US6679953 Expanding plug and shrinking passage diameter; eliminating gaps |
| 01/20/2004 | US6679934 Nitriding a valve metal powder at sufficient temperature and pressure during heat treatment that is prior to a deoxidation step; capacitor anode |
| 01/15/2004 | WO2004005873A1 Magnetostrictive torque sensor shaft and method for manufacturin the same |
| 01/15/2004 | WO2004005581A1 Highly oxidation resistant component |
| 01/15/2004 | WO2004005580A1 Highly oxidation resistant component |
| 01/15/2004 | WO2004005572A1 Surface modified stainless steel |
| 01/15/2004 | US20040009359 Creating a dry air atmosphere with a concentration of water vapor < 750 ppm at a temperature > 550 degrees c; water vapor reacts with specific reactive elements at the substrate surface; aircraft turbine engine material |
| 01/15/2004 | US20040009308 Method of producing a branched carbon nanotube for use with an atomic force microscope |
| 01/15/2004 | US20040007292 Comprises sealed furnace and vibrating diaphragm which vibrates gases within |
| 01/15/2004 | US20040007291 Comprises ferric oxide source, injecting steam through ferric oxide source to infuse with cations, injecting steam into heated chamber housing laminated magnetic core, then oxidizing; dielectrics |
| 01/15/2004 | US20040007289 For dielectrics; comprises soft iron/iron oxide core |
| 01/15/2004 | DE10227521A1 Bauelement mit einem Bereich aus nichtmagnetischem Stahl und einer magnetischen Randschicht und Verfahren zu dessen Herstellung Component with a range of non-magnetic steel and a magnetic surface layer and process for its preparation |
| 01/14/2004 | EP1380855A2 Apparatus and process for fluorination treatment of substrates |