| 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) |
|---|
| 01/22/1997 | EP0754893A1 Mechanical seal for the drive of a tracked vehicle |
| 01/22/1997 | EP0754773A1 Wear resisting steel, sliding member for cylinder in internal combustion engine, and ring spring |
| 01/21/1997 | US5595613 Steel for gear, gear superior in strength of tooth surface and method for producing same |
| 01/21/1997 | US5595610 Method of manufacturing case-hardened parts with little distortion in heat treatment and superior strength in bending fatigue |
| 01/21/1997 | US5595601 Iron boride |
| 01/16/1997 | WO1997001522A1 Increasing production in hydrocarbon conversion processes |
| 01/16/1997 | DE19622414C1 Verfahren und Vorrichtung zur Kompensation von Luftdruckschwankungen bei thermischen Oxidationsprozessen Method and apparatus for compensating for fluctuations in air pressure during thermal oxidation processes |
| 01/15/1997 | EP0753599A1 Method and apparatus for producing corrosion and wear resistant protective coatings on iron based substrates |
| 01/14/1997 | US5593783 Aminated |
| 01/14/1997 | US5593511 Method of nitridization of titanium thin films |
| 01/14/1997 | US5593510 Method of carburizing austenitic metal |
| 01/08/1997 | EP0722511A4 Oxidation of low chromium steels |
| 01/07/1997 | US5591274 Heat treatment method for metals |
| 01/07/1997 | US5591267 Reduced pressure device |
| 01/02/1997 | EP0751234A1 Base material for the production of blade bodies for circular saws, cutting discs, gang saws and cutting or scraping apparatus |
| 01/02/1997 | EP0751233A1 Copper strip or plate with brown coating and process for the production |
| 01/02/1997 | EP0751231A2 Aluminum alloy |
| 01/02/1997 | EP0750684A1 Composite article, alloy and method |
| 01/02/1997 | EP0750530A1 Low-temperature oxidation at surfaces using ozone decomposition products formed by microwave discharge |
| 01/01/1997 | CN1139157A Alloying technology for casting surface |
| 12/27/1996 | WO1996041897A2 Durable plasma treatment apparatus and method |
| 12/24/1996 | US5587130 Selected area adhesion and surface passivation of metal films |
| 12/19/1996 | WO1996041031A1 Process for case hardening higher molybdenum-alloyed sintered steels |
| 12/19/1996 | DE19521750A1 Oxide film removal from metal, used e.g. metal-polymer contact prodn. |
| 12/18/1996 | EP0749147A2 Method and device for controlling the electrical current density over a workpiece during heat treatment by plasma |
| 12/18/1996 | EP0748255A1 Copper catalysts |
| 12/12/1996 | DE19520354A1 Verfahren zum Einsatzhärten von höhermolybdänlegierten Sinterstählen A method of case-hardening of higher-molybdenum sintered steels |
| 12/11/1996 | EP0747502A1 Improved adhesion layer for tungsten deposition |
| 12/11/1996 | CN1137571A Ion bombarding furnace |
| 12/10/1996 | US5582655 Contacting surface with a nitriding agent which includes aluminum powder and nitrogen gas heated to the melting point of product |
| 12/05/1996 | DE19621721A1 Piston ring with annular base body |
| 12/04/1996 | EP0745450A2 Process for machining of workpiece surfaces |
| 12/03/1996 | US5580398 Oxidizing the surface, then reduction with hydrogen |
| 12/03/1996 | US5580397 Adjustment of concentration and partial pressure of nitrogen, hydrogen and/or water vapor in carbon-containing reaction gas mixture to control carbide/nitride formation |
| 11/27/1996 | EP0744471A2 Method of nitriding steel |
| 11/27/1996 | CN1136597A Controlling method and apparatus for furnace inner CO content for metal part cementing carbon and C-O cocementing |
| 11/26/1996 | US5578176 Method of preparing electrodes of improved service life |
| 11/26/1996 | US5578079 Graft of polymeric material on surface of substrate by radio frequency plasma induction; intraocular lenses |
| 11/19/1996 | US5576066 Method of improving the wear and corrosion resistance of ferrous metal parts |
| 11/19/1996 | US5575902 Hydrocarbons |
| 11/19/1996 | US5575867 Exposing weld joints to a water vapor atmosphere |
| 11/19/1996 | US5575064 Process for producing rocker arm for internal combustion engine |
| 11/14/1996 | DE19517594A1 Creating reactive surfaces on metallic glass used as reinforcement in composites |
| 11/13/1996 | EP0741925A1 Erosion resistant coating on a spark plug electrode |
| 11/13/1996 | CN1135536A Method for treatment of distributing valve of IC. engine |
| 11/12/1996 | US5573604 Remelting, alloying blade edge; erosion resistance |
| 11/05/1996 | US5571576 Method of forming a fluorinated silicon oxide layer using plasma chemical vapor deposition |
| 11/05/1996 | US5571341 Thermochemical treatment of thin-walled structural steel elements |
| 10/31/1996 | WO1996034127A1 Alkaline nitrate salt bath composition for oxidising a ferrous metal and improving the corrosion resistance thereof |
| 10/31/1996 | WO1996034122A1 Processing for forming nitride, carbide and oxide protective coatings |
| 10/31/1996 | WO1996033831A1 Method of manufacturing high temperature resistant shaped parts |
| 10/30/1996 | EP0739994A1 Bearing steel, bearing member having having excellent thermal resistance and toughness, and method of producing same |
| 10/30/1996 | EP0739655A1 Process for plasma coating a plastic object with multifunctional layers |
| 10/29/1996 | US5569501 Plasma-enhanced chemical vapor deposition from a mixture of a hydrocarbon and helium |
| 10/29/1996 | US5569334 Having passive state coating; corrosion resistance, water desorption property |
| 10/24/1996 | WO1996033293A1 Modification of surfaces of polymers, metal or ceramic |
| 10/24/1996 | WO1996016188A3 Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures |
| 10/24/1996 | DE19514538A1 Prodn. of engraved rollers and plates used e.g. for screen printers |
| 10/23/1996 | EP0738786A1 Method of treating the surface of a poppet valve |
| 10/23/1996 | EP0738785A1 Process and apparatus for adjusting the carbon monoxide concentration of a furnace atmosphere for carburizing or nitrocarburizing of metallic parts |
| 10/23/1996 | EP0738313A1 Cracking processes |
| 10/23/1996 | EP0672194A4 Method and apparatus for controlling heat transfer between a container and workpieces. |
| 10/22/1996 | US5567508 Rolling bearing with surface hardened layer |
| 10/17/1996 | WO1996032737A1 METHOD FOR PRODUCING A SEMICONDUCTOR DEVICE HAVING A SEMICONDUCTOR LAYER OF SiC |
| 10/17/1996 | WO1996032508A1 Screwdriver, screwdriver bit or similar device |
| 10/16/1996 | EP0737819A1 Method of manufacturing a set screw for a shaft and set screw for a shaft, especially for an electric motor |
| 10/10/1996 | DE19513366A1 Schraubendreher, Schraubendrehereinsatz oder dergleichen Screwdriver, screwdriver bit or the like |
| 10/03/1996 | WO1996030556A1 Method and equipment for vacuum carburization and products of carburization |
| 10/02/1996 | EP0735339A2 Plate fin heat exchanger and method of making thereof |
| 10/02/1996 | DE19602767A1 Silicon@ wafer with restricted potassium concn. |
| 10/01/1996 | US5560787 Steel bearing element having tough core and surface hardness; jet engines, gas turbines, durability |
| 09/26/1996 | DE19509614A1 Controlling nitriding value of nitriding and nitrocarburisation atmos |
| 09/25/1996 | EP0733720A1 Surface treated piston |
| 09/24/1996 | US5558725 Process for carburizing workpieces by means of a pulsed plasma discharge |
| 09/24/1996 | US5558718 Pulsed source ion implantation apparatus and method |
| 09/17/1996 | US5556484 Forging and annealing nickel superalloys |
| 09/17/1996 | US5556483 Method of carburizing austenitic metal |
| 09/11/1996 | EP0393137B1 Carburized low silicon steel article and process |
| 09/10/1996 | US5554390 Coatings with second phase particulate to improve environmental protection |
| 09/04/1996 | EP0729640A1 Methods and apparatus for altering material using ion beams |
| 09/04/1996 | EP0605444B1 Process and apparatus for surface hardening of refractory metal workpieces |
| 09/03/1996 | US5551671 Hot argon cleaning and protective coating of components made of metal or alloy |
| 08/29/1996 | WO1996019911A3 Process for preparing an insulated multilayer structure |
| 08/29/1996 | WO1996017969A3 Method and equipment for growing thin films |
| 08/28/1996 | EP0728845A2 Magnetic strips and methods for making the same |
| 08/28/1996 | CN1129960A Method of treating at least one component made of weakly magnetic material |
| 08/27/1996 | US5549764 Wear resistant coated steel article |
| 08/27/1996 | US5548973 Sealed type compressor and refrigerating cycle |
| 08/21/1996 | EP0727262A1 Device for sooting billets, press-blocks and the like |
| 08/15/1996 | WO1996025023A1 Method of forming a fluorinated silicon oxide layer using plasma chemical vapor deposition |
| 08/13/1996 | US5545264 Placing metal, chlorine hydrocarbon, water in hermetically sealed tank, generating gas which permeates open areas of crystal cells to dissolve and remove impurities and form indissoluble film of anticorrosive rust |
| 08/13/1996 | US5545262 Method of preparing a metal substrate of improved surface morphology |
| 08/08/1996 | WO1996023908A1 Wear resistant tribosystem |
| 08/07/1996 | EP0725160A1 Method of forming passive oxide film based on chromium oxide and stainless steel |
| 08/07/1996 | EP0724458A1 Novel cobalt chrome alloys and preparation |
| 08/07/1996 | CN1128301A Composite impregnation-plating method |
| 08/07/1996 | CN1128300A Method for applying aluminum coating to fabricated catalytic exhaust system component |
| 07/31/1996 | CN1127801A Method of treating the surface of Ti and Ti alloy valve element |
| 07/31/1996 | CN1032435C Process and device for amorphous treatment of surface layer of ring |
| 07/31/1996 | CN1032411C Process for mfg. compacted products of aluminium powder |