| Patents for C23F 17 - Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class (1,366) |
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| 09/02/2009 | CN100535194C Bearing part, heat treatment method thereof, and rolling bearing |
| 08/26/2009 | CN100532648C Corrosion method of anode aluminum foil for middle-high voltage electrolytic capacitor |
| 08/26/2009 | CN100532647C Base roller transmission type continuous carbonizing heat treatment furnace |
| 08/19/2009 | CN101508889A Aluminium plating plumbago heat-conducting fin and method of preparing the same |
| 08/19/2009 | CN100528550C Heat resistant film, its manufacturing method, and electrical and electronic parts |
| 08/12/2009 | CN101503802A Method for improving corrosion resistance property of non-ferrous metal pipe fittings |
| 08/12/2009 | CN101503801A Aluminum foil corrosion technique for electrolytic capacitor |
| 08/12/2009 | CN101503800A Method for composite zinc impregnation for metal component surface |
| 08/12/2009 | CN100526512C Steam turbine valve manifold stellite alloy plasma spray welding method and equipment |
| 08/06/2009 | DE102008008055B3 Verfahren zum Aufbringen einer multifunktionellen Beschichtung auf Aluminiumteile und beschichtetes Werkstück A method of applying a multi-functional coating on the aluminum parts coated workpiece and |
| 07/29/2009 | CN101492822A Copper linking mercerization brightening thermal treatment protection device |
| 07/15/2009 | CN101484612A Method for fabricating superh ydrophob ic surface and solid having superhydrophobic surface structure by the same method |
| 07/15/2009 | CN100513646C Heat treatment process for automobile gear shifting box synchronizer gear sheath |
| 07/08/2009 | CN201268723Y Double-purpose semiautomatic apparatus for metallic plate annealing and hot dipping |
| 07/08/2009 | CN101476127A Surface recombination processing method for rare earth-magnesium-nickel based AB3 type hydrogen storage alloy |
| 07/08/2009 | CN100510192C Anti-rust quenching technique for screw steel |
| 07/08/2009 | CN100510191C Method of plasma spraying preparation of ternary boride-based metal ceramic coating |
| 07/08/2009 | CN100510190C Method for preparing c-shaft vertically aligned L10 phase FePt magnetic recording film |
| 06/24/2009 | CN100503894C Preparation method of high silicon orientation silicon steel thin plate |
| 06/24/2009 | CN100503893C Process for producing gear with hard bainite structure on surface |
| 06/17/2009 | CN101460662A A method for coating washers for locking and coated washer for locking |
| 06/10/2009 | CN100497746C High-carbon steel pin roll vanadizing composite treatment process |
| 06/03/2009 | CN101445937A Anti-drift processing method of watch hairspring |
| 05/28/2009 | DE102008034399A1 Production of metal matrix composite coatings comprises applying layer of aluminum or aluminum alloy powder containing non-metallic particles, quenching and then allowing specified repose times at room temperature and elevated temperature |
| 05/28/2009 | DE102007056566A1 Coating process for mounting ring of disintegrating roll involves applying nonferrous coating, nickel-phosphorus alloy coating and heat treatment |
| 05/27/2009 | CN101440494A Method for coating opening roller ring and ring used for opening roller |
| 05/20/2009 | DE102007055053A1 Verfahren zur Bearbeitung einer strukturierten Oberfläche Method for processing a structured surface |
| 05/20/2009 | CN101435081A No-voltage chemical membrane preparing and low voltage electrochemical membrane preparing combined process for magnesium alloy surface |
| 05/20/2009 | CN100489159C Surface treating and strengthening process for heavy vehicle bevel gear pair |
| 05/13/2009 | CN101429630A Novel austenite cold-heading stainless steel and its steel wire production method |
| 05/06/2009 | CN101425388A Production method for anode foil used for high-voltage electrolysis capacitor |
| 05/06/2009 | CN101425384A Low voltage aluminum electrolysis capacitor formed foil production method |
| 05/06/2009 | CN101423947A Surface treating method of stainless steel shell |
| 05/06/2009 | CN101423946A Technique for preparing etched foil of medium-high voltage anode foil for energy-saving lamp |
| 05/06/2009 | CN101423945A Method for preparing light metal super-hydrophobic surface |
| 05/06/2009 | CN101422947A Heterogeneous combination structure of aluminum alloy and plastics and treatment method thereof |
| 04/29/2009 | CN101418451A Carbonitriding-deep Re-B-C-N penetration composite heat treating process |
| 04/29/2009 | CN101418450A Copper plating process of aluminum wire material |
| 04/22/2009 | CN100481653C A method for controlling insertion and withdraw force of self-force high-voltage electric contact |
| 04/21/2009 | CA2540340C Surface modification of aluminum alloy products for micro-arc oxidation processes |
| 04/16/2009 | WO2007084150A3 Synergistic combinations of chromate-free corrosion inhibitors |
| 04/09/2009 | DE102007046925A1 Method for producing a metallic and/or non-metallic substrate, which is protected against corrosion in regions and/or is shiny, comprises provisioning a substrate or a carrier layer having a surface, which is coated in regions |
| 04/09/2009 | DE102006007231B4 Verfahren zur Umhüllung eines Stents Method for coating a stent |
| 04/08/2009 | CN101403120A Anti-pressure and abrasion-proof stainless steel processing technique |
| 04/08/2009 | CN101403119A Technique for producing high-strength steel stranded wire by 77MnA steel |
| 04/01/2009 | CN101398123A WS2/MoS2 solid lubrication multilayer film and method for making same |
| 04/01/2009 | CN101397677A Technology for preventing fingerprint resistant from being blackened |
| 04/01/2009 | CN101397676A Production method of conductor material for connection between great current cell |
| 04/01/2009 | CN100473763C Gear carburizing quenching process for heavy-duty automobile |
| 04/01/2009 | CN100473762C Hot processing method for removing decarbonizing of steel surface |
| 03/25/2009 | EP2038452A1 Method for fabricating superh ydrophob ic surface and solid having superhydrophobic surface structure by the same method |
| 03/25/2009 | CN101392382A Method and device for strengthening surface modification by combination of laser cladding and laser peening |
| 03/25/2009 | CN101392381A Surface treatment technology of cast iron grooved drum |
| 03/25/2009 | CN101392380A Magnesium alloy vehicle wheel surface treatment method and magnesium alloy vehicle wheel |
| 03/25/2009 | CN101392379A Low pressure ion carburizing furnace |
| 03/18/2009 | CN101387237A Plasma alloy strengthened surface oxidation cylinder liner |
| 03/18/2009 | CN101386991A Composite heat treating method for improving bearing service life |
| 03/18/2009 | CN101386984A Double-frequency tunable magnetic resonance artificial compound material based on asymmetric metal grating structure |
| 03/11/2009 | EP2032739A1 A method for coating washers for locking and coated washer for locking |
| 03/05/2009 | DE102007041544A1 Verfahren zur Herstellung von DLC-Schichten und dotierte Polymere oder diamantartige Kohlenstoffschichten Process for the preparation of DLC-layers and doped polymers or diamond-like carbon layers |
| 03/04/2009 | CN100465347C A method of drip-feed type gas boronization |
| 02/25/2009 | CN100464000C Austenite cold-forged stainless-steel and steel wire making method |
| 02/25/2009 | CN100463997C Supersaturated carburizing steel |
| 02/19/2009 | DE102008037851A1 Production of high-gloss/metal-coated layers on substrates for vehicle wheel, comprises pre-treating surface of the substrate, applying first base layer for surface smoothing, and applying second base layer for producing high gloss layer |
| 02/19/2009 | DE102007038188A1 Coated machine element e.g. piston ring with a surface useful in internal combustion engine, comprises a structured hard chrome layer, a physical vapor deposition- or a chemical vapor deposition layer, and a chromium-solid particle layer |
| 02/19/2009 | DE102005019212B4 Verfahren zum Bearbeiten von kaltgewalzten verzinkten Profilen Method for processing cold rolled galvanized profiles |
| 02/18/2009 | CN101368275A 42CrMoE thermal treatment technique |
| 02/12/2009 | DE102007036927A1 Spinnmittel einer Textilmaschine Spin means of a textile machine |
| 02/11/2009 | CN101363123A Composite technique of steel member surface shot-blasting and plasma low-temperature boriding |
| 02/04/2009 | CN101358391A Spinning device of a textile machine |
| 02/04/2009 | CN101358351A Method for preparing nano platinum oxidation coating for high temperature alloy |
| 01/28/2009 | CN101356304A Optical metrological scale and laser-based manufacturing method therefor |
| 01/28/2009 | CN101353801A Anti-corrosion and heat tinting composite surface treating method for steel |
| 01/28/2009 | CN100455702C Method for producing oriented silicon steel with good bottom by low-temperature heating |
| 01/21/2009 | CN100453188C Carbon nano-tube film depositing equipment |
| 01/14/2009 | CN101343747A High-carbon chromium bearing part surface peening thermal treatment method |
| 01/14/2009 | CN101343746A Titanium oxide nano wire film on metallic titanium surface and manufacture method thereof |
| 01/14/2009 | CN101343745A Piston ring inner lining spring black parkerizing method |
| 01/14/2009 | CN100451170C Process for preparing pretreatment layer and coating on magnesium and magnesium alloy surface |
| 01/14/2009 | CN100451167C Chemical plating solution for preparing composite coating resistant to fretting damage and chemical plating method thereof |
| 01/07/2009 | CN101338358A Method for increasing surface hardness of martensitic stainless steel |
| 12/31/2008 | CN101333663A Technological process for reducing deformation of gear in process of nitridation heat treatment |
| 12/31/2008 | CN101333590A External heating type vacuum inductive heating carburizing furnace |
| 12/24/2008 | CN101328585A Surface treating process of multiple sheet alloy |
| 12/24/2008 | CN101328531A Method for avoiding bearing ring grinding deformation |
| 12/18/2008 | DE102007026061A1 Component for use in rolling or floating bearing, gasket, valve or tool, is provided with corrosion protection layer of zinc, which is formed on surface of component |
| 12/10/2008 | CN100441737C High temperature corrosion and wear resistant technical process for oil-well pump cylinder plunger valve |
| 12/04/2008 | DE102007024986A1 Temperaturstabile TCO-Schicht, Verfahren zur Herstellung und Anwendung Stable temperature TCO layer, methods for making and using |
| 11/26/2008 | CN100436626C MCrAIX-alloy, protective coating made thereof and method for its production |
| 11/19/2008 | CN201151223Y Metal slide fastener with environment-protecting dye layer |
| 11/19/2008 | CN101307676A Renewed superhigh intensity distortion-resistant anti-corrosive oil well pipe and its process |
| 11/19/2008 | CN101307454A Production process of acid salt cyanideless electro-plating copper dural alclad magnesium alloy wire |
| 11/19/2008 | CN101307453A Technology of silicon nano-wires without electrodeposit nickel and thermoelectric power device based on the technology |
| 11/19/2008 | CN101307452A Method for preparing Ni/Si nano-wire array and micro-nano humidity sensor based on the nano-wire array |
| 11/19/2008 | CN100434569C Method for modifying environment protection piston ring surface |
| 11/12/2008 | CN101302619A Supersonic spray coating method of crystallizer copper plate |
| 11/06/2008 | WO2008132303A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/06/2008 | CA2680623A1 Steel for tool-less hot forming or quenching with improved ductility |
| 10/29/2008 | CN101294285A Carburizing technique for medium carbon steel cold rolled bearing case loop |
| 10/29/2008 | CN101294239A Reutilization method for annealing oven protective atmosphere |