| 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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| 02/21/1996 | EP0697072A1 A screw |
| 02/14/1996 | EP0696648A1 Corrugating roll and manufacturing method thereof |
| 02/14/1996 | EP0511409B1 Method of manufacturing a rotating shaft of motor |
| 02/14/1996 | CN1031002C In-situ generation of heat treating atmospheres using a miture of non-cryogenically produced nitrogen and a hydrocarbon gas |
| 02/07/1996 | EP0695813A2 Process for carburizing carburisable work pieces under the action of plasma-pulses |
| 02/07/1996 | EP0695807A1 Process for heat treating especially carburizing, metallic workpieces |
| 02/07/1996 | EP0695806A1 Surface treatment of metals |
| 02/06/1996 | US5489446 Device for forming silicon oxide film |
| 02/06/1996 | US5489344 Passivation of carbon steel using encapsulated oxygen |
| 01/31/1996 | EP0694630A1 Protective treatment of metal substrates |
| 01/31/1996 | EP0694629A2 Corrosion and wear resistant substrate, method of manufacture and vacuum processing installation |
| 01/31/1996 | EP0694621A1 Process for producing a coil spring |
| 01/31/1996 | CN1115791A Method of carburizing austenitic metal and austentitic metal products obtained thereby |
| 01/30/1996 | US5487917 Activated carbon derived from a crosslinkable resin |
| 01/27/1996 | CA2152969A1 Method for vacuum plasma protective treatment of metal substrates |
| 01/17/1996 | EP0692336A1 Welding method and welded structure for forming passivated chromium oxide film on weld |
| 01/11/1996 | DE19523956A1 Carburisation or carbonitriding with min. carbon di:oxide and no cyanide emissions |
| 01/10/1996 | CN1030663C Quick nitrocarburizing process for steel |
| 01/04/1996 | WO1996000313A1 Method of treating at least one component made of weakly magnetic material |
| 01/04/1996 | DE4421810A1 Thermionic electron emitter used for electron tubes |
| 01/02/1996 | USH1512 Nitriding |
| 01/02/1996 | US5480677 Process for passivating metal surfaces to enhance the stability of gaseous hydride mixtures at low concentration in contact therewith |
| 12/27/1995 | EP0688889A1 Method for passivating nickel and iron based superalloy parts |
| 12/26/1995 | US5478411 Heating intermetallic compound containing rare earth metal and iron in reactive gas containing element from Group IIIA, IVA or VIA to incorporate said element in interstitial sites of intermetallic |
| 12/14/1995 | WO1995034092A1 A method of nitridization of titanium thin films |
| 12/14/1995 | WO1995033865A1 Low temperature plasma-enhanced formation of integrated circuits |
| 12/14/1995 | WO1995033501A1 Method of improving mechanical heart valve prostheses and other medical inserts, and products manufactured in accordance with the method |
| 12/14/1995 | CA2192335A1 Method of improving mechanical heart valve prostheses and other medical inserts, and products manufactured in accordance with the method |
| 12/14/1995 | CA2191458A1 Low temperature plasma-enhanced formation of integrated circuits |
| 12/12/1995 | US5474975 Coating interior of hollow ceramic structure with metal, or oxide thereof, and oxidation |
| 12/12/1995 | US5474641 Processing method and apparatus thereof |
| 12/07/1995 | DE4429975C1 Treating heat-affected zone of welded steel |
| 12/06/1995 | CN1112964A Salt bath composition based on alkali nitrates for oxidizing ferrous metal to improve its corrosion resistance |
| 12/06/1995 | CN1112961A In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas |
| 12/05/1995 | US5473165 Method and apparatus for altering material |
| 11/29/1995 | EP0583473A4 Method and device for treatment of articles in gas-discharge plasma |
| 11/29/1995 | EP0366784B1 Activated metal and method |
| 11/28/1995 | US5470661 Coating a diamond with a film of carbon for heat resistance |
| 11/28/1995 | CA2031106C Sulfur treatment of magnesium-contaminated fe-cr-al alloy for improved whisker growth |
| 11/22/1995 | EP0683243A2 Corrosion resistant tube with internal oxide layer |
| 11/15/1995 | EP0682123A1 Method of manufacturing carburized steel products |
| 11/15/1995 | EP0512113B1 Oxidation treatment apparatus for metal pipes |
| 11/15/1995 | CN1030260C Granular boron permeating agent |
| 11/14/1995 | US5466605 Method for detection of chemical components |
| 11/14/1995 | US5466305 Method of treating the surface of titanium |
| 11/08/1995 | EP0680393A1 Method of recycling scrap metal |
| 11/08/1995 | CN2212014Y Drop rare-earth carburization micro computer controller |
| 11/07/1995 | US5464664 Downstream ammonia plasma passivation of GaAs |
| 11/02/1995 | WO1995029274A1 Process for incorporating material into the surface of a solid body and altering it, in particular the surface of a material |
| 11/02/1995 | WO1995029270A1 Method of treating titanium parts |
| 11/02/1995 | WO1995029269A1 Method of low pressure nitriding a metal workpiece and oven for carrying out said method |
| 11/02/1995 | WO1995029207A1 Artificial patina |
| 11/02/1995 | EP0679809A2 Compressor and refrigerating unit |
| 11/02/1995 | EP0679728A1 Method and apparatus for processing metal material |
| 11/02/1995 | EP0679725A1 Carburized hardening process and carburized hardened power transmission members |
| 11/02/1995 | CA2188661A1 Artificial patina |
| 10/31/1995 | US5462808 High ductility, light weight, toughness; used in manufacturing automobiles and industrial robots |
| 10/31/1995 | US5462634 Surface-treated aluminum material and method for its surface treatment |
| 10/26/1995 | DE4414210A1 Utilisation of heat in a gas flare |
| 10/26/1995 | DE4413859A1 Incandescent or fluorescent lamp mfr. |
| 10/25/1995 | EP0678589A1 Method of carburizing austenitic metal and carburized austenitic metal products |
| 10/24/1995 | US5460875 Hard austenitic stainless steel screw and a method for manufacturing the same |
| 10/17/1995 | US5458856 Apparatus for the formation of excited or unstable gaseous molecules and uses of such an apparatus |
| 10/11/1995 | EP0624206B1 High-hardness conductive material and method for manufacturing same |
| 10/11/1995 | CN1109953A Flexible drive shaft and method of production thereof |
| 10/10/1995 | US5456768 Polishing surface with abrasive grains of specified particle size to form work-strained layer, heat treating in atmosphere low in oxygen to form film mainly of chromium oxide with specified thickness and surface roughness |
| 10/10/1995 | US5456766 Exposing steel to atmosphere containing carbon monoxide, hydrogen, ammonia in specified amounts for specified time at specified temperature |
| 10/07/1995 | CA2146398A1 Non-rusting steel for case hardening with nitrogen |
| 10/03/1995 | US5455068 Method for treating continuous extended lengths of tubular member interiors |
| 09/26/1995 | US5453241 Milling, pressing, sintering; heat treatment, carburization, quenching |
| 09/26/1995 | US5453109 Reacting potassium carbonate and urea to form potassium cyanate and converting with formaldehyde the ammonia into hexamethylenetetramine |
| 09/21/1995 | WO1995025184A1 Austenitic stainless steel used for passive film formation and process for forming passive film |
| 09/21/1995 | WO1995025183A1 Composite article, alloy and method |
| 09/21/1995 | WO1995024975A1 Low-temperature oxidation at surfaces using ozone decomposition products formed by microwave discharge |
| 09/21/1995 | DE4442328C1 Pretreating chrome or nickel alloy steels prior to nitro:carburisation in a salt bath |
| 09/21/1995 | DE19500576A1 Thermochemical treatment of thin walled steel component |
| 09/20/1995 | EP0672194A1 Method and apparatus for controlling heat transfer between a container and workpieces |
| 09/19/1995 | US5451425 Process for setting the frequency of a silicon microresonator |
| 09/19/1995 | US5451366 Product of a halogen containing Ti-Al system intermetallic compound having a superior oxidation and wear resistance |
| 09/13/1995 | EP0671761A1 Apparatus for forming low-temperature oxide films and method of forming low-temperature oxide films |
| 09/08/1995 | WO1995023644A1 Copper catalysts |
| 09/07/1995 | DE4407095A1 Brief plasma-dynamic treatment appts. |
| 09/06/1995 | CN1107898A Producing method for knife clip of sheeting machine |
| 09/05/1995 | US5447291 Processes for fabricating structural ceramic bodies and structural ceramic-bearing composite bodies |
| 09/05/1995 | US5447181 Nickel alloy with nitride hardened layer |
| 08/30/1995 | EP0668798A1 Biocompatible, surface modified materials and method of making the same |
| 08/29/1995 | US5445683 Contains iron and cobalt and/or chromium; corrosion resistance; strength |
| 08/23/1995 | CN1107187A Surface carburization method for forming austenite having high strength in rustless steel |
| 08/22/1995 | US5443863 Low-temperature oxidation at surfaces using ozone decomposition products formed by microwave discharge |
| 08/22/1995 | US5443663 Plasma nitrided titanium and titanium alloy products |
| 08/22/1995 | US5443662 Iron nitride free surface |
| 08/16/1995 | EP0667401A1 Composition of salt baths based on alkali metal nitrates for oxidizing ferrous metals to improve their corrosion resistance |
| 08/15/1995 | US5441579 Method of recycling scrap metal |
| 08/09/1995 | EP0666334A1 Case nitrided aluminum product, process for case nitriding the same, and nitriding agent for the same |
| 08/08/1995 | US5439300 Including inner race of steel with specified carbon content which has been carburized or carbonitrided, having different carbon content in surface layer and core |
| 08/02/1995 | EP0665302A2 Nitriding tantalum powder |
| 08/02/1995 | EP0570421B1 Process for producing a surface-hardened workpiece of sintered iron |
| 07/27/1995 | WO1995020256A1 Erosion resistant coating on a spark plug electrode |
| 07/25/1995 | US5435896 Cell having electrodes of improved service life |
| 07/19/1995 | EP0663455A1 Filter unit and device for desludging salt baths |