Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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01/29/1998 | WO1998003686A1 Semi-solid forming |
01/28/1998 | EP0788419A4 Method and apparatus for making crankshafts |
01/27/1998 | US5711187 Gear wheels rolled from powder metal blanks and method of manufacture |
01/08/1998 | WO1998000626A1 Method for expanding a steel tubing and well with such a tubing |
01/08/1998 | WO1998000569A1 Steel having excellent outer surface scc resistance for pipeline |
01/07/1998 | EP0816521A2 Forged roll for rolling a seamless steel pipe, and roll manufacturing method |
01/07/1998 | EP0816042A1 A process for manufacturing alloy castings |
01/06/1998 | US5704998 Hot rolling steels for high tensile strength |
01/06/1998 | CA2121047C Heat treatment of metal castings and in-furnace sand reclamation |
12/30/1997 | US5702539 Method for producing silicon-chromium grain orieted electrical steel |
12/24/1997 | CN1168700A Ultra-high strength secondary hardening steels with excellent toughness and weldability and method thereof |
12/18/1997 | WO1997047418A1 Powder metallurgical body with compacted surface |
12/09/1997 | US5695666 Method of welding neutron irradiated metallic material |
12/04/1997 | WO1997045228A1 Track section and method of joining part tracks |
12/02/1997 | US5693402 Brake pad which has been pre-burnished using a high intensity heat source |
11/13/1997 | WO1997042351A1 Making metal powder articles by sintering, spheroidizing and warm forming |
11/13/1997 | CA2252745A1 Making metal powder articles by sintering, spheroidizing and warm forming |
11/06/1997 | WO1997041267A1 Adhesive tape covered laser shock peening |
11/06/1997 | WO1997041266A1 Dry tape covered laser shock peening |
10/29/1997 | EP0803582A2 Method of stress inducing transformation of austenite stainless steel and method of producing composite magnetic members |
10/29/1997 | EP0803315A1 Ductile iron vehicle hub and method for producing same |
10/16/1997 | WO1997037788A1 Method of manufacturing a component |
10/16/1997 | DE19708352A1 Nitrogen-containing stainless steel rope wire |
10/14/1997 | US5675892 Laser shock peening for gas turbine engine vane repair |
10/09/1997 | DE19621019C1 Railway track section |
10/07/1997 | US5674329 Adhesive tape covered laser shock peening |
10/07/1997 | US5674328 Dry tape covered laser shock peening |
10/07/1997 | CA2018355C Microalloyed steel and joint bar |
09/30/1997 | US5671628 Laser shock peened dies |
09/24/1997 | EP0796352A1 Ultra-high strength steels and method thereof |
09/24/1997 | CN1160378A Stainless steel wire for reinforcing upper part of tire casings |
09/16/1997 | US5666841 Method for work-hardening by rolling a component |
09/09/1997 | US5665455 Low-iron-loss grain-oriented electromagnetic steel sheet and method of producing the same |
09/09/1997 | US5665179 Process for producing a coil spring |
09/09/1997 | US5664648 Prestressed brake drum or rotor |
09/03/1997 | EP0792379A1 Dual-phase steel and method thereof |
08/28/1997 | DE19601858C1 Determining the deformation strength of a steel |
08/26/1997 | US5660648 Cooling in air; aging |
08/13/1997 | EP0789085A1 Method for mechanical treatment of elongated amagnetic austenitic steel workpieces, especially of drill collars for oil drilling |
08/13/1997 | EP0788419A1 Method and apparatus for making crankshafts |
08/09/1997 | CA2196029A1 Steel for manufacturing forged parts and manufacturing process for a forged part |
08/06/1997 | EP0787812A1 Steel for the manufacture of forgings and process for manufacturing said forgings |
08/05/1997 | US5653826 High strength dual phase steel plate with superior toughness and weldability |
07/30/1997 | EP0785876A1 Stainless steel wire for reinforcing the upper part of tire casings |
07/15/1997 | US5647922 Process for manufacturing high manganese hot rolled steel sheet without any crack |
07/10/1997 | WO1997024198A1 Apparatus and method for work hardening an endless belt for use in a belt caster |
06/24/1997 | US5640868 Apparatus and method for work hardening an endless belt for use in a belt caster |
06/11/1997 | EP0777752A1 Warm forming high-strength steel structural members |
06/11/1997 | CN1151446A Pump head inner wall strengthening process for plunger pump |
05/30/1997 | CA2164021A1 Surface treatment of stainless steel |
04/23/1997 | EP0769073A1 Cold formed high-strength steel structural members |
03/25/1997 | US5613395 Coldworking tool automation |
03/18/1997 | US5611250 Rolling/sliding part |
03/12/1997 | EP0761378A1 Method and apparatus for bonding crossing rails |
03/05/1997 | EP0516857B1 High-strength ultrafine steel wire with excellent workability in stranding, and process |
03/04/1997 | US5607480 Surgically implantable prosthetic devices |
02/19/1997 | EP0758406A1 A technique to prevent or divert cracks |
02/19/1997 | CN1143393A Dual phase steel plate having good toughness and welding property |
02/18/1997 | US5603576 Method for manufacturing balls for bearing and products thereby |
02/11/1997 | US5601667 Hot forging, cooling, aging |
01/30/1997 | WO1997002925A1 Gear shot peening method and gear |
01/28/1997 | US5596896 Methods and apparatus for effecting domain refinement of electrical steels |
01/14/1997 | US5592840 Method of preventing abrasion at sliding portion of metal-product |
01/07/1997 | US5590559 Method and apparatus for domain refining electrical steels by local mechanical deformation with multiple scribing rolls |
01/02/1997 | EP0750534A1 Deep rolling split-pin fillets of crankshafts |
12/27/1996 | EP0749499A1 Surface treatment of shape memory alloys |
12/19/1996 | WO1996002676A3 Cold formed high-strength steel structural members |
12/18/1996 | EP0748875A1 Method for producing tubes by the U-O-E process |
12/17/1996 | US5584662 Laser shock peening for gas turbine engine vane repair |
12/05/1996 | WO1996038597A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
12/05/1996 | CA2222504A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
11/20/1996 | EP0742841A1 Method of making dual phase steel plate |
11/19/1996 | US5575167 Deep rolling split-pin fillets of crankshafts |
11/06/1996 | CN1134857A method for mfg. high gloss stainless steel band |
11/05/1996 | US5571348 Method and apparatus for improving alloy property and product produced thereby |
10/29/1996 | US5569018 Technique to prevent or divert cracks |
10/02/1996 | DE19511882A1 Strengthening of workpiece surfaces by producing residual compressive stresses via rolling process |
09/19/1996 | DE19502893C1 Surface-finishing of corrosion resistant metal (alloy) objects |
09/12/1996 | WO1996027684A1 A technique to prevent or divert cracks |
09/11/1996 | EP0731181A1 Method of preventing abrasion at sliding portion of metal-product |
09/10/1996 | US5554233 Cold deformable, high strength, hot rolled bar and method for producing same |
09/03/1996 | US5553106 Residual stress improving method for members in reactor pressure vessel |
08/28/1996 | EP0728022A1 Surgically implantable prosthetic devices |
08/27/1996 | US5549809 Method for hardening metallic elements |
08/27/1996 | US5549768 Cold working followed by rapid recrystallization improves corrosion and fatigue resistance |
08/13/1996 | US5545270 Thermomechanically controlling rolling process |
08/13/1996 | US5545269 Heating, rolling, reheating and water cooling |
08/13/1996 | US5545268 Surface treated metal member excellent in wear resistance and its manufacturing method |
07/31/1996 | CN1128051A Strain-induced transformation to ultrafine microstructure in steel |
07/25/1996 | WO1996022169A1 Deep rolling split-pin fillets of crankshafts |
07/23/1996 | US5538566 Warm forming high strength steel parts |
07/09/1996 | US5534088 Method of optimizing the distribution of inherent stress in springs |
07/09/1996 | US5534085 Low temperature forging process for Fe-Ni-Co low expansion alloys and product thereof |
07/02/1996 | US5531842 Method of preparing a high strength dual phase steel plate with superior toughness and weldability (LAW219) |
07/02/1996 | US5531570 Distortion control for laser shock peened gas turbine engine compressor blade edges |
06/26/1996 | CN1125258A Method for adjusting tensile strength of a tin plated wire |
06/18/1996 | US5526664 Method of forming a textured pattern on a metal plate which pattern is transformed to a plastic part, and a press plate and plastic part produced thereby |
06/13/1996 | WO1996017966A1 Dual-phase steel and method thereof |
06/13/1996 | WO1996017965A1 Method of making dual phase steel plate |
06/13/1996 | WO1996017964A1 Ultra-high strength steels and method thereof |