| 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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| 10/16/2008 | DE102007058484A1 Verfahren zum Aufbringen einer mehrlagigen Beschichtung auf Werkstücke und/oder Werkstoffe A method of applying a multilayer coating to workpieces and / or materials |
| 10/16/2008 | DE102007047629A1 Verfahren zum Aufbringen einer hochfesten Beschichtung auf Werkstücke und/oder Werkstoffe A method of applying a high strength coating to workpieces and / or materials |
| 10/15/2008 | CN101285192A Preparation method for titanic oxide nano-tube composite electrode under room temperture |
| 10/15/2008 | CN100425738C Chemical plating technology for preparing gradient composite plating coat |
| 10/15/2008 | CN100425737C Chemical heat treatment method for steel products surface |
| 10/15/2008 | CN100425736C High carbon chromium bearing parts surface chemical heat-treatment process |
| 10/08/2008 | CN101280445A Electroplating process for surface of magnesium alloy motorcycle hub |
| 10/08/2008 | CN101280443A Preparation of secondary alloyed nickel-molybdenum-electroplated steel strip |
| 10/08/2008 | CN101280442A Preparation of one-dimensional Fe3O4 nano-needle material having modulated structure |
| 10/08/2008 | CN101280430A Preparation of hyperpure copper |
| 09/24/2008 | CN101269562A Fe-Al intermetallic compound/AL2O3ceramic composite coating and method of producing the same |
| 09/18/2008 | WO2008110670A1 Steel for hot working or quenching with a tool having an improved ductility |
| 09/17/2008 | CN101268216A Method for producing a sheet steel product protected against corrosion |
| 09/17/2008 | CN101265582A 20CrMnMo energy-saving carburizing composite heat treating process |
| 09/10/2008 | EP1667850A4 Methods for cleaning a set of structures comprising yttrium oxide in a plasma processing system |
| 09/10/2008 | CN101260527A Pipeline inner surface cleaning and coating technique and device |
| 08/27/2008 | CN101250705A Method for manufacturing nickel-cuprum metallic baseband layer of highly oriented double-shaft texture |
| 08/21/2008 | US20080197106 Method for manufacturing semiconical microneedles and semiconical microneedles manufacturable by this method |
| 08/13/2008 | CN100410424C Method for coating Ni-P layer in same liquid by chemically plating and electrobath |
| 08/13/2008 | CN100409957C Production method of austenitic stainless belt with non-reflective surface appearance |
| 08/06/2008 | CN101235507A Technique for cleaning beryllium-copper alloy |
| 08/06/2008 | CN101235506A Method for preparing nano thin film |
| 07/31/2008 | DE102007004570A1 Shiny coatings for car wheels made from light metal alloys or steel comprises at least one layer of aluminum or aluminum alloy applied directly to surface of wheel |
| 07/23/2008 | CN101226800A Surface treating method for sintering type Nd iron boron permanent magnetic material |
| 07/23/2008 | CN101225456A Composite treating method for prolonging life of grating machine key components |
| 07/17/2008 | WO2008084875A1 Process for producing high-strength cold rolled steel sheet excelling in chemical treatability and relevant production equipment |
| 07/03/2008 | US20080160210 ammonia and nitrogen trifluoride having an NH3/NF3 molar ratio of about 10 or greater; condensing this cleaning plasma onto the substrate; for removing native oxide surfaces on substrates while simultaneously passivating the underlying substrate surface |
| 07/02/2008 | CN101210329A Anti-rust quenching technique for screw steel |
| 07/02/2008 | CN100398699C Cleaning and servicing technology for turbine blade basal body surface by strong current pulsed ionizing beam |
| 06/25/2008 | EP1934386A2 Method for producing a sheet steel product protected against corrosion |
| 06/25/2008 | CN101205618A Corrosion method of anode aluminum foil for middle-high voltage electrolytic capacitor |
| 06/25/2008 | CN101205617A Surface treating method for metal workpieces |
| 06/25/2008 | CN101205616A Surface treating method for metal workpieces |
| 06/25/2008 | CN100396820C Ti/apatite coating material intermetallic compound transition layer preparing method |
| 06/11/2008 | CN101195913A Technique for forming chromium carbon nitrogen surface alloying layer by plasma composite process low-temperature |
| 06/05/2008 | CA2613079A1 Method for producing porous surfaces on metal components |
| 06/04/2008 | CN101191230A Surface treatment technique for coal winning machine cutting bit |
| 05/29/2008 | DE102006054280A1 Method for increasing corrosion resistance of nitrocarburized and oxidized surfaces of steel components, comprises degassing the surfaces of the components in a vacuum and applying corrosion protection agent on the component surface |
| 05/28/2008 | CN101187027A Compound heat treating method |
| 05/28/2008 | CN101186992A Nitrizing quenching product and its preparation method |
| 05/28/2008 | CN101186959A Vacuum low-pressure carburetting high-pressure gas-quenching furnace |
| 05/21/2008 | CN101182644A Precision piece part watch surface chromium base alloy carbides cladding process method |
| 05/21/2008 | CN100389229C Boron-Chromium-rare earth co-infiltration process combined with pre-infiltration cold deformation for workpiece |
| 05/14/2008 | CN101177725A Surface metallurgy technique for cobalt-containing super-hard high-speed steel |
| 05/07/2008 | CN101173363A Technique for nitrogen treatment of diesel cylinder cover |
| 04/30/2008 | CN101168795A Carburization quenching method for round hole thin wall work-piece |
| 04/30/2008 | CN100384585C Method for manufacturing highly wear-resisting grader blade |
| 04/10/2008 | WO2008042982A2 Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom |
| 04/09/2008 | CN101158046A Surface heat-treatment method for middle-load high-accuracy carburization part |
| 04/09/2008 | CN101158045A Loop-type carburizing furnace |
| 04/09/2008 | CN101158044A Push-rod continuous carburetion quenching production line |
| 04/09/2008 | CN101158024A Method for preparing rare earth permanent magnet material |
| 04/09/2008 | CN101157973A Low or non oxidizing heat-treating facility |
| 04/03/2008 | DE10221112B4 Verfahren zur Herstellung eines metallisch glänzenden Schichtsystems auf einem Substrat und Verwendung des Verfahrens A process for producing a shiny metallic coating system on a substrate and use of the method |
| 04/02/2008 | CN101153401A Vacuum carburization processing method and vacuum carburization processing apparatus |
| 04/02/2008 | CN101153376A Method for manufacturing high-vanadium, high-cobalt high speed steel |
| 03/26/2008 | CN101148769A Method for directly growing nano-crystal chromium nitride film on steel products |
| 03/26/2008 | CN100376356C Method for manufacturing high strength and highly wear-resisting flashboard |
| 03/19/2008 | EP1735116B1 Method for producing mat-surfaced austenitic stainless steel straps |
| 03/19/2008 | CN101143624A Anti-rust technique of silver-plating holding rack bearing and packing method |
| 03/13/2008 | WO2006097593A8 Method for making a coated steel part having very high resistance after heat treatment |
| 03/12/2008 | CN101139722A Method for preparing flexible winding absorbing membrane material |
| 03/12/2008 | CN101139692A Martensitic stainless steel cementation method and product thereof |
| 03/05/2008 | CN101137769A Method for making a coated steel part having very high resistance after heat treatment |
| 03/05/2008 | CN101135055A Vacuum cleaning degreasing tempering furnace |
| 03/05/2008 | CN101135054A Base roller transmission type continuous carbonizing heat treatment furnace |
| 03/05/2008 | CN101134991A Linear type heat treatment furnace |
| 03/05/2008 | CN101134990A Continuous carburetion quenching furnace electric controller |
| 02/28/2008 | DE10194846B4 Verfahren zur Oberflächenbehandlung eines rostfreien Stahlprodukts für eine Brennstoffzelle A process for surface treatment of a stainless steel product for a fuel cell |
| 02/27/2008 | EP1583871B1 Security film and method for the production thereof |
| 02/27/2008 | CN101130875A Circular knitter cylinder and its manufacturing method |
| 02/27/2008 | CN101130852A Vertical external-heating and induction-heating vacuum carburizing stove |
| 02/20/2008 | CN201024187Y Annealing oven middle spacer segment atmosphere separation device |
| 02/20/2008 | CN101126440A Differential device supporting structure, differential device component, method for manufacturing the differential device supporting structure and method for manufacturing the differential device comp |
| 02/13/2008 | CN101122055A Needle roller for carding machine and preparation method thereof |
| 02/13/2008 | CN100368596C Production technology of ceramic outer shell cover plate of crystal oscillator |
| 01/17/2008 | DE102007028741A1 Production of a printed material comprises forming a micro-structured surface on a support by electrolytic oxidation of aluminum and coating the surface using a sol-gel process |
| 01/16/2008 | CN201006894Y Low pressure cement carbon hardening furnace firing space |
| 01/10/2008 | WO2008004828A1 Method for fabricating superh ydrophob ic surface and solid having superhydrophobic surface structure by the same method |
| 01/09/2008 | CN101100753A Pre-processing method for aluminum product hard soldering surface and brush plating liquid used for the same |
| 12/26/2007 | CN200996050Y Aluminum-material surface treatment continuous processor with chemical polishing sequence |
| 12/19/2007 | CN200992576Y Three-chamber vacumm carbonizing gas/oil quenching multi-purpose furnace |
| 12/19/2007 | CN101089229A On-line process method for seam surface in kerf sieve tube processing |
| 12/13/2007 | WO2007142599A1 A method for coating washers for locking and coated washer for locking |
| 12/06/2007 | DE102006026253A1 Beschichteter Körper und Verfahren zu seiner Herstellung Coated body and process for its preparation |
| 12/05/2007 | CN101082132A Production technique for belt steel continuous zinc/aluminium/aluminium zinc coating |
| 11/29/2007 | DE102006024490A1 Siziliumschicht, Verfahren zu ihrer Herstellung und ihre Verwendung, Suspension, enthaltend Siziliumpartikel, und Verfahren zu ihrer Herstellung Siziliumschicht, processes for their preparation and their use, suspension containing Siziliumpartikel, and processes for their preparation |
| 11/28/2007 | CN101078096A Strip steel continuous zinc heat coating process |
| 11/28/2007 | CN101078037A Double-chamber low-pressure high flow rate vacuum quenching acetylene carburizing furnace |
| 11/22/2007 | DE102006047060A1 Mit einem Korrosionsschutzsystem versehenes Stahlblech und Verfahren zum Beschichten eines Stahlblechs mit einem solchen Korrosionsschutzsystem With a corrosion protection system provided steel sheet and method of coating a steel sheet with such a corrosion protection system |
| 11/14/2007 | CN101070582A Austenite cold-forged stainless-steel and steel wire making method |
| 11/08/2007 | DE102006037953A1 Method for applying a colored surface to an electrically conducting material for coating pieces of jewelry comprises applying a paint to a partial surface of the surface of the material, coating the layer and treating with solvent |
| 10/31/2007 | CN101063208A Energy-saving method for stainless strip sulfuric acid refining continuous annealing production line hydraulic stations |
| 10/31/2007 | CN101062491A Fluid ejecting device and method for making the same |
| 10/24/2007 | CN101058887A Heat treatment process for automobile gear shifting box synchronizer gear sheath |
| 10/24/2007 | CN101058886A Surface treating and strengthening process for heavy vehicle bevel gear pair |
| 10/24/2007 | CN101058865A Supersaturated carburizing steel |
| 10/24/2007 | CN101058086A Fluid jetting device and its manufacturing method |
| 10/17/2007 | CN200961674Y Welding large gear of converter slanting device secondary speed reducer |
| 10/03/2007 | CN200955565Y Speed reducer for hard tooth-face sugar squeezer |