| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
|---|
| 01/08/2003 | EP1273672A1 High surface pressure resistant steel parts and methods of producing same |
| 01/08/2003 | EP0788419B1 Method and apparatus for making crankshafts |
| 01/02/2003 | EP1270747A2 Spheroidal graphite cast iron with addition of boron |
| 12/26/2002 | US20020195180 Carbon, silicon, manganese, copper, magnesium, sulfur, group iiib elements, boron and silicon at > 2.4% wt with an iron balance |
| 12/25/2002 | CN1096913C Method of mfg. gear wheel |
| 12/24/2002 | US6497597 High efficiency hydrofoil and swim fin designs |
| 12/19/2002 | WO2002101097A1 Method for processing welded metalwork joints by high-frequency hummering |
| 12/19/2002 | WO2002070166B1 Stainless steel wire and method for producing a wire with improved resistance to corrosion |
| 12/19/2002 | US20020189726 Impacting the machined braking surface with ultrasonic oscillations, smoothing and hardening the braking surface to produce a longer wearing and stronger surface |
| 12/19/2002 | US20020189312 Apparatus for deep rolling of recesses and radii of crankshaft journal bearings |
| 12/19/2002 | CA2450369A1 Method for processing welded metalwork joints by high-frequency hummering |
| 12/12/2002 | DE10222197A1 Roller forming method for bearing grooves in internal combustion engine crankshaft involves tool with guide surfaces pressing angled rollers into edges of bearing groove to deform metal |
| 12/10/2002 | US6490899 Method and apparatus for peening tops of cooled blades |
| 12/05/2002 | WO2002096602A1 Ceramic blasting apparatus and method to prevent gear pitting |
| 12/04/2002 | EP1262280A1 Apparatus for roller burnishing the corner portions of journals of crankshafts |
| 12/04/2002 | EP1261455A2 Method and apparatus for providing a residual stress distribution in the surface of a part |
| 12/04/2002 | EP1261443A2 Method and apparatus for manufacturing structures with improved fatigue life |
| 12/04/2002 | CN1382825A Tool steel alloy for preparing powder metallurgy parts |
| 12/03/2002 | US6488791 Method for strengthening a steel channel member |
| 11/29/2002 | CA2410942A1 Non-inflammable, translucent polycarbonate molding materials |
| 11/28/2002 | US20020174528 Apparatus for providing a residual stress distribution in the surface of a part |
| 11/21/2002 | WO2002092255A1 Method and apparatus for improving the fatigue life of components and structures |
| 11/20/2002 | CN1380437A Method for strengthening metal material tissue and metal blank |
| 11/19/2002 | US6482059 High efficiency hydrofoil and swim fin designs |
| 11/13/2002 | EP0946343B1 Method for increasing boundary layer solidity on surfaces of workpieces manufactured from hard brittle materials |
| 11/12/2002 | US6478900 Method of forging precipitation hardening type stainless steel |
| 11/12/2002 | US6478893 Rolling bearing and method of machining rolling element of the bearing |
| 11/12/2002 | CA2182813C Method of making dual phase steel plate |
| 11/07/2002 | WO2002088411A1 High manganese duplex stainless steel having superior hot workabilities and method for manufacturing thereof |
| 11/07/2002 | US20020162614 Steel for plastic molds and process for their heat treatment |
| 11/07/2002 | DE10062310C2 Verfahren zur Behandlung metallischer Werkstoffe Method for the treatment of metallic materials |
| 11/06/2002 | CN1093885C Method of making Cr alloy workpieces and its use |
| 11/05/2002 | US6475307 Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 10/31/2002 | US20020159558 Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel |
| 10/31/2002 | US20020157740 Method for the treatment of metallic materials |
| 10/24/2002 | WO2002083959A1 Steel material prodction method |
| 10/24/2002 | US20020155768 High efficiency hudrofoil and swim fin designs |
| 10/22/2002 | US6467321 Device for ultrasonic peening of metals |
| 10/17/2002 | US20020148270 Method and apparatus for improving the fatigue life of components and structures |
| 10/16/2002 | EP1249512A1 Cold work steel for powder metallurgical production of parts |
| 10/16/2002 | EP1249510A2 Process for preparing tool steel articles by powder metallurgy |
| 10/15/2002 | US6464807 Production method of ultra fine grain steel |
| 10/08/2002 | US6460615 Pipe expansion device |
| 10/03/2002 | US20020141897 Chromium alloy workpiece is cold worked and, by means of the cold working, is brought to a yield strength of at least 1000 MPa |
| 10/03/2002 | US20020139451 Non-heat treated steel for soft nitriding |
| 10/02/2002 | CN1091675C Metal products and method for working hard metal products by lasre vibration peening |
| 10/01/2002 | US6458225 Ultrasonic machining and reconfiguration of braking surfaces |
| 09/26/2002 | US20020134469 Process for manufacturing a strip made of an Fe-Ni alloy |
| 09/25/2002 | EP1243665A1 Non-heat treated steel for hot forging with easy fracture splitting |
| 09/25/2002 | CN1370851A Plastic-forming die steel and its heat treatment process |
| 09/19/2002 | WO2002059389A3 Steel and method for producing an intermediate product |
| 09/19/2002 | DE10110384A1 Draht aus rostfreiem Stahl Stainless steel wire |
| 09/12/2002 | WO2002070166A1 Stainless steel wire and method for producing a wire with improved resistance to corrosion |
| 09/12/2002 | US20020124402 Method for extending the life of attachments that attach blades to a rotor |
| 09/10/2002 | US6447619 High surface pressure resistant steel parts and methods of producing same |
| 09/04/2002 | EP1235972A1 Pipe expansion device |
| 09/04/2002 | EP1235940A2 Cold formed flat-rolled steel structural members |
| 09/04/2002 | CN1367268A Method for preparing iron-nickel alloy strip |
| 09/04/2002 | CN1090067C Method for manufacturing powder metallurgical body |
| 09/04/2002 | CN1090066C Heat treatment of metal castings and in furnace sand reclamation equipment and technology |
| 08/29/2002 | US20020119858 Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a method for producing the rolling element |
| 08/28/2002 | EP1234891A1 Process for increasing the static and dynamic resistance of a metal workpiece |
| 08/27/2002 | US6440234 A martensitic stainless steel product having a chromium content of 9 to 15% by weight and a surface from which mill scales are removed by a shot blasting |
| 08/22/2002 | US20020115362 High efficiency hydrofoil and swim fin designs |
| 08/22/2002 | DE10103290A1 Stahl und Verfahren zur Herstellung eines Zwischenproduktes Steel and process for the preparation of an intermediate |
| 08/21/2002 | EP1233080A1 Steel for plastic molds and process of heat treatment thereof |
| 08/14/2002 | EP1230411A1 Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 08/14/2002 | EP0835328B1 Adhesive tape covered laser shock peening |
| 08/14/2002 | EP0796352B1 Ultra-high strength steels and method thereof |
| 08/08/2002 | WO2001031071A9 Processing of intermetallic alloys |
| 08/01/2002 | WO2002059389A2 Steel and method for producing an intermediate product |
| 08/01/2002 | WO2002059383A2 Manufacturing process for making engine components of high carbon content steel using cold forming techniques |
| 07/31/2002 | EP1201773A9 High-strength spring and production method therefor |
| 07/24/2002 | CN1359781A Vibration amplitude arm for ultrasonic impact gun |
| 07/24/2002 | CN1359780A Multi-needle impact head for ultrasonic impact gun |
| 07/24/2002 | CA2354901A1 Process for manufacturing a fe-ni alloy strip |
| 07/18/2002 | DE10062310A1 Verfahren zur Behandlung metallischer Werkstoffe Method for the treatment of metallic materials |
| 07/11/2002 | US20020088506 Produces product having improved hardness and strength |
| 07/09/2002 | US6415486 Method and apparatus for providing a residual stress distribution in the surface of a part |
| 07/04/2002 | US20020086767 Toroidal-type continuously variable transmission |
| 07/04/2002 | US20020084008 Surface treatment of austenitic Ni-Fe-Cr based alloys for improved resistance to intergranular corrosion and intergranular cracking |
| 07/04/2002 | US20020083751 Apparatus and method for rolling workpieces |
| 07/03/2002 | EP1219863A2 Rolling element for a continuously variable transmission and a method for producing the same |
| 07/02/2002 | US6413328 Precipitating nitride while allowing the carbon and nitrogen diffusely permeate from a surface by carbonitriding and/or carburization/carbonitriding, and forming martensite phase by rapidly cooling from austenite temperature region of steel |
| 06/25/2002 | US6409853 Large forging manufacturing process |
| 06/25/2002 | US6408665 Finish hot rolling method for structural steels |
| 06/20/2002 | US20020074066 After the entire component has been solution annealed and tempered in a high temperature range, the edge layer is solution annealed by the effect of short-time energy impact, then entire component is annealed at lower temp than previous |
| 06/20/2002 | DE10151630A1 Kontinuierlich variables Getriebe des Toroidtyps The toroidal continuously variable transmission |
| 06/19/2002 | EP1214995A2 Method for the treatment of metal materials |
| 06/19/2002 | CN1354802A High-strength spring and production method therefor |
| 06/18/2002 | US6406572 Process for the production of a workpiece from a chromium alloy, and its use |
| 06/13/2002 | US20020069946 Forging method |
| 06/13/2002 | US20020069687 Method and apparatus for ultrasonic peening of annular recesses for the attachment of blades to a rotor |
| 06/12/2002 | EP1213363A1 Method for making wear-resistant surface layers on precipitation hardenable materials |
| 05/30/2002 | WO2002042018A1 Apparatus and method for rolling workpieces |
| 05/30/2002 | WO2001064398A3 Method and apparatus for providing a residual stress distribution in the surface of a part |
| 05/30/2002 | WO2001064397A3 Method for reducing tensile stress zones in the surface of a part |
| 05/30/2002 | US20020064678 Cobalt-base, nickel-base, or an iron-base alloy, in which grain-like or cluster-like eutectic carbide is diffused as discontinued distribution, and of specified coefficient of friction; use as sliding part or a valve seat for a machine |
| 05/29/2002 | EP1208942A1 Peening of cooled turbine blade tip |
| 05/27/2002 | CA2325786A1 Process for manufacturing a metal part, such as part of a vehicle wheel, and such a wheel |