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Class Information
Number: 148/316
Name: Metal treatment > Stock > Carburized or nitrided
Description: Stock material wherein the surface of the material contains additional carbon or nitrogen diffused therein.


Sub-classes under this class:

Class Number Class Name Patents
148/319 Ferrous (i.e., iron base) 140
148/317 Nitrided 43


Patents under this class:

Patent Number Title Of Patent Date Issued
7291229 Method of surface treatment of titanium metal Nov. 6, 2007
6982120 Hardened steel components and process of treating the same Jan. 3, 2006
6554609 Nanotechnology for electrical devices Apr. 29, 2003
6443870 Toroidal-type continuously variable transmission Sep. 3, 2002
6348145 Chromized refractory steel, a process for its production and its uses in anti-coking applications Feb. 19, 2002
6287396 Threaded parts for aircraft Sep. 11, 2001
6267825 Process for treating metal workpieces Jul. 31, 2001
6214479 Covered member and method of producing the same Apr. 10, 2001
6196530 Method of manufacturing stabilizer for motor vehicles Mar. 6, 2001
6165597 Selective case hardening processes at low temperature Dec. 26, 2000
6153023 Hardened metal product produced by shot peening with shot having high hardness Nov. 28, 2000
5997661 Rolling bearing Dec. 7, 1999
5989694 Rolling bearing Nov. 23, 1999
5873950 Strengthenable ethylene pyrolysis alloy Feb. 23, 1999
5743536 Piston ring Apr. 28, 1998
5472527 High pressure oxidation of precursor alloys Dec. 5, 1995
5415704 Surface hardened biocompatible metallic medical implants May. 16, 1995
5395461 Method of producing titanium material resistant to hydrogen absorption in aqueous hydrogen sulfide solution Mar. 7, 1995
5372655 Method for the treatment of alloy steels and refractory metals Dec. 13, 1994
5368657 Gas atomization synthesis of refractory or intermetallic compounds and supersaturated solid solutions Nov. 29, 1994
5334263 Substrate stabilization of diffusion aluminide coated nickel-based superalloys Aug. 2, 1994
5259885 Process for making ceramic/metal and ceramic/ceramic laminates by oxidation of a metal precursor Nov. 9, 1993
5252147 Modification of surface properties of copper-refractory metal alloys Oct. 12, 1993
5169597 Biocompatible low modulus titanium alloy for medical implants Dec. 8, 1992
5160553 Cold-worked steel of high compressive strength and articles made thereof Nov. 3, 1992
5068003 Wear-resistant titanium alloy and articles made thereof Nov. 26, 1991
4978644 Process for preparing self-supporting bodies and products made thereby Dec. 18, 1990
4921025 Carburized low silicon steel article and process May. 1, 1990
4908072 In-process formation of hard surface layer on Ti/Ti alloy having high resistance Mar. 13, 1990
4799977 Graded multiphase oxycarburized and oxycarbonitrided material systems Jan. 24, 1989
4568396 Wear improvement in titanium alloys by ion implantation Feb. 4, 1986
4465524 Titanium and its alloys Aug. 14, 1984
4399168 Method of preparing coated cemented carbide product Aug. 16, 1983
4101703 Coated cemented carbide elements Jul. 18, 1978
4018631 Coated cemented carbide product Apr. 19, 1977
3944443 Ultra high temperature chemical reactions with metals Mar. 16, 1976



 
 
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