| 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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| 04/17/2013 | CN102226283B Surface treatment method of spray gun |
| 04/10/2013 | CN103031487A Composition design and processing methods of high strength, high ductility, and high corrosion resistance femnalc alloys |
| 04/10/2013 | CN103028730A Powder metallurgy preparation method of valve clack of membrane valve |
| 04/10/2013 | CN102242364B Preparation method of ceramic film through chemical conversion and micro-arc oxidation of aluminum and aluminum alloy |
| 04/03/2013 | CN103017520A Galvanized pot and manufacture method thereof |
| 04/03/2013 | CN103014770A Manufacturing method of breaking hammer head for aluminum electrolysis cell |
| 04/03/2013 | CN103014727A Fabrication method and device for funnel board of port bucket wheel machine |
| 04/03/2013 | CN103014726A Heat treatment method of universal joint cross shaft |
| 04/03/2013 | CN103014725A Welded tube for calorizing and laser short processing |
| 04/03/2013 | CN103014724A Reinforcement and wear resistance-improvement preparation method of threaded mold |
| 04/03/2013 | CN103008664A Preparation method for valve clack of butterfly valve |
| 04/03/2013 | CN103008648A Novel manufacturing method of maintenance-free chain |
| 04/03/2013 | CN102383135B Thermal-treatment manufacture process for clutch plate |
| 03/27/2013 | CN202830142U Integrated device for annealing, tin plating and shaft collecting of photovoltaic solder strip |
| 03/27/2013 | CN102998344A Novel nanosheet film for sensor and preparation method thereof |
| 03/27/2013 | CN102996619A Ball pin and ball joint |
| 03/27/2013 | CN102996618A Ball pin and ball joint |
| 03/27/2013 | CN102995029A Heat treatment process of bolt processing |
| 03/27/2013 | CN102995028A Copper/molybdenum/copper composite material based on radiation damage diffusion alloying and preparation method thereof |
| 03/27/2013 | CN102994912A Stator of homogeneous mixing pump and preparation method thereof |
| 03/27/2013 | CN102994892A Preparation method of swing check valve plate |
| 03/27/2013 | CN102994891A Method for preparing valve rod of plug valve |
| 03/27/2013 | CN102994890A Casting method of valve body of anti-explosion valve |
| 03/27/2013 | CN102994887A Preparation method of rotor material of cam rotor pump |
| 03/27/2013 | CN102990065A Powder metallurgy manufacturing method for valve flap of check valve |
| 03/27/2013 | CN102260874B Gradient iron silicon alloy with different silicon content distribution and preparation method of gradient iron silicon alloy |
| 03/27/2013 | CN101570861B Surface treatment method for sucker rod coupling |
| 03/21/2013 | DE102011053716A1 Schneidwerkzeug mit Verschleißerkennungsschicht Cutting tool wear detection layer |
| 03/20/2013 | CN102979938A Casting method of valve body of check valve |
| 03/20/2013 | CN102979937A Check valve body aluminum alloy casting method |
| 03/20/2013 | CN102978630A Carburizing and quenching process for power steering screw |
| 03/20/2013 | CN102978629A Preparation method and application of SERS (surface enhanced Raman scattering) substrate of Mo/Ag laminated metal-matrix composite material |
| 03/20/2013 | CN102978628A Method for carrying out anatonosis by adopting laser plasma impact wave in chemical heat treatment process |
| 03/20/2013 | CN102978627A Method for preparing super-hydrophobic surface on magnesium alloy |
| 03/20/2013 | CN102978509A Casting-molding preparation method of regulating valve body |
| 03/20/2013 | CN102226253B Carburized bearing steel for high-speed railways and preparation method thereof |
| 03/20/2013 | CN102226252B High-toughness carburized bearing steel with ultra-long contact fatigue life and preparation method thereof |
| 03/13/2013 | CN102965672A Heat treatment method for knife board of loading machine |
| 03/13/2013 | CN102965581A Preparation method of cylinder body of oil feed pump |
| 03/06/2013 | CN102950441A Production method for timing gear for engines |
| 03/06/2013 | CN102950436A Preparation method of gear for corrosion-resistant oil transfer pump |
| 03/06/2013 | CN102950434A Preparing method of gear for fuel delivery pump |
| 02/27/2013 | CN102943272A Heat treatment method of lifting hook bridge crane girder |
| 02/27/2013 | CN102943271A Heating processing technology of gantry crane bridge frame |
| 02/27/2013 | CN102943270A Preparation method of tire bead steel wire |
| 02/27/2013 | CN102943269A High temperature carburizing quenching novel technology |
| 02/27/2013 | CN102943210A High-strength bolt and processing method thereof |
| 02/27/2013 | CN102943207A High-strength fastener and processing method thereof |
| 02/27/2013 | CN102943159A Novel process for reduction of die heat treatment distortion |
| 02/20/2013 | CN102936699A Mold steel used in cold punching die |
| 02/20/2013 | CN102936645A Worm heat treatment process |
| 02/13/2013 | CN102926832A Timing chain of double VVT overhead camshaft engine for SUV and fabrication method |
| 02/13/2013 | CN102925904A Thermal annealing acid-washing method of stainless steel wide and thick plate coil |
| 02/13/2013 | CN102925903A Heat treatment method for die-casting die |
| 02/13/2013 | CN102921037A Method for preparing multistage micron structure on titanium implant surface |
| 02/13/2013 | CN102345134B Preparation method for wettability controllable porous structure of titanium and titanium alloy surface |
| 02/13/2013 | CN102242363B Method for modifying seam surface material of cutting seam sieve tube |
| 02/07/2013 | WO2013018322A1 Stainless steel for fuel cell separator |
| 02/07/2013 | WO2013018320A1 Stainless steel for fuel cell separator |
| 02/07/2013 | DE102006001253B4 Verfahren zur Herstellung einer Metallschicht über einem strukturierten Dielektrikum mittels einer nasschemischen Abscheidung mit einer stromlosen und einer leistungsgesteuerten Phase A process for producing a metal layer over a patterned dielectric by means of a wet chemical deposition with an electroless plating and a power-controlled phase |
| 02/06/2013 | CN102912357A Method for preparing micro-nanostructure on surface of titanium implant |
| 02/06/2013 | CN102912282A Secondary carburizing technological method of 16Cr3NiWMoVNbE material |
| 02/06/2013 | CN102912087A Process for quenching surface of 20 steel pipe without flexible overlap strip by plasma arc through carburizing |
| 02/06/2013 | CN102277581B Heat treatment process of low-carbon alloy material |
| 02/05/2013 | CA2680623C Steel for tool-less hot forming or quenching with improved ductility |
| 01/31/2013 | DE102011110633A1 Verfahren zum Aufbringen einer Schutzschicht zum Schutz vor Schlagbeanspruchungen A method of applying a protective coating to protect against impact loads |
| 01/31/2013 | DE102011108807A1 Verfahren zum Herstellen einer Komponente einer Schließvorrichtung A method of manufacturing a component of a closing device |
| 01/30/2013 | CN202705401U Isothermal quenching workpiece strengthened by carburizing |
| 01/30/2013 | CN102899603A M50NiL material low-pressure vacuum carburization method |
| 01/30/2013 | CN102899598A Integrated annealing, tin plating and shaft closing device for photovoltaic welding strips |
| 01/23/2013 | CN102888610A Thermal treatment method for internal spline gear with small modulus |
| 01/23/2013 | CN102888581A Heat treatment technology of small hoist crane |
| 01/23/2013 | CN102888577A Process for manufacturing zinc, magnesium and aluminum ternary alloy steel pipe by continuously hot-dip plating |
| 01/23/2013 | CN102102209B Method for improving surface characteristic of diffusion plate |
| 01/16/2013 | CN202671662U Surface chemical heat treatment device for mechanical parts |
| 01/16/2013 | CN202671642U Carburizing quenching furnace tail gas reusing device |
| 01/16/2013 | CN102877073A Technology for processing CrNiMo series steel material |
| 01/16/2013 | CN102877072A Technology for quickly carburizing gear like parts at variable temperatures and carbon potentials |
| 01/16/2013 | CN102877071A Novel heat chemical treatment process for TD punch |
| 01/16/2013 | CN102877070A Surface compound treatment method for steel mould |
| 01/10/2013 | DE102011078605A1 Temperaturstabiles Bauteil aus einem Refraktärmetall und Verfahren zur Herstellung dazu Temperature-stable component made of a refractory metal and methods of making this |
| 01/09/2013 | CN102864480A Preparation method of titanium dioxide nanotube array with three-dimensional network structure |
| 01/09/2013 | CN102864459A Method for annealing and pickling 409L stainless steel |
| 01/09/2013 | CN102864297A Annealing furnace of copper strips for solar photovoltaic solder strip |
| 01/09/2013 | CN102212655B Laser shock method |
| 01/02/2013 | CN102851671A Carborized quenched gear ring self-rounding heat treatment method |
| 01/02/2013 | CN102851601A Steel for machine structure use for surface hardening and steel part for machine structure use |
| 01/02/2013 | CN102224773B Re-manufacturable large tillage depth rotary tillage blade suitable for returning whole straws to field |
| 12/26/2012 | CN202626259U Zero-pressure tooling device for heat treatment of gears |
| 12/26/2012 | CN202626254U Internal spline sleeve carburizing and quenching solid-shaping device |
| 12/19/2012 | CN102828190A Improved heat processing method of corrugating roller |
| 12/18/2012 | US8334026 Tunable fluorescent UV curable gel inks containing fluorescent monomers for food packaging applications |
| 12/18/2012 | US8333878 Wear resistant wheel coating and method |
| 12/18/2012 | US8333877 Method for manufacturing an electrode |
| 12/13/2012 | WO2012169163A1 Method for surface-treating metal component |
| 12/12/2012 | CN102817038A Method for production of high-strength threaded steel bar through on-line quenching and tempering, and heating blackening coating processes |
| 12/12/2012 | CN102230181B Thin-layer carbonitriding heat treatment method of locating disc |
| 12/12/2012 | CN101928966B Method for plating chrome on surface of thin plate |
| 12/11/2012 | US8329014 Vehicle body production method |
| 12/05/2012 | CN202576572U Axle-shaped gear cemented quenching rack |