Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 420/71
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Processes
Description: Processes of producing alloys or metallic composition .










Patents under this class:

Patent Number Title Of Patent Date Issued
8317944 9 Cr-- 1 Mo steel material for high temperature application Nov. 27, 2012
8246767 Heat treated 9 Cr-1 Mo steel material for high temperature application Aug. 21, 2012
6905651 Ferritic stainless steel alloy and its use as a substrate for catalytic converters Jun. 14, 2005
6855652 Structurally reinforced panels Feb. 15, 2005
6426040 Si(Ge)-Cu-V steel alloy Jul. 30, 2002
6306341 Stainless steel product having excellent antimicrobial activity and method for production thereof Oct. 23, 2001
6096441 Austenoferritic stainless steel having a very low nickel content and a high tensile elongation Aug. 1, 2000
5843369 Stainless steel for anti-friction bearing and method of making Dec. 1, 1998
5609669 Method of manufacturing stainless steel Mar. 11, 1997
5567224 Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame Oct. 22, 1996
5514331 Method and device for producing stainless steel May. 7, 1996
5395420 Process for using foamed slag in stainless steel production Mar. 7, 1995
5352404 Process for forming contact material including the step of preparing chromium with an oxygen content substantially reduced to less than 0.1 wt. % Oct. 4, 1994
5328658 Method of refining chromium-containing steel Jul. 12, 1994
5204056 Method of production of high-nitrogen ferritic heat-resisting steel Apr. 20, 1993
5123957 Method for manufacturing low carbon ferrochrome with high chromium content Jun. 23, 1992
5059389 Low alloy steel product Oct. 22, 1991
5039480 Method for manufacturing molten metal containing Ni and Cr Aug. 13, 1991
5028388 Method for producing chromium containing molten iron with low sulphur concentration Jul. 2, 1991
5011798 Chromium additive and method for producing chromium alloy using the same Apr. 30, 1991
4615730 Method for refining molten metal bath to control nitrogen Oct. 7, 1986
4565574 Process for production of high-chromium alloy by smelting reduction Jan. 21, 1986
4522650 Process for production of low phosphorus alloy Jun. 11, 1985
4474605 Process for refining high-chromium steels Oct. 2, 1984
4410360 Process for producing high chromium steel Oct. 18, 1983
4324584 Process for the decarburization of chromium-containing pig iron Apr. 13, 1982
4272287 Process for refining molten steel containing chromium Jun. 9, 1981
4188206 Metallurgical process Feb. 12, 1980
4178173 Process for producing stainless steels Dec. 11, 1979
4141723 Process for producing stainless steel Feb. 27, 1979
4106929 Process for preparing a ferrochromium by using a blast furnace Aug. 15, 1978
4089680 Method and apparatus for forming ferrous liquid-solid metal compositions May. 16, 1978
3947267 Process for making stainless steel Mar. 30, 1976
3936297 Method of producing austenitic stainless steel Feb. 3, 1976
3933480 Method of making stainless steel having improved machinability Jan. 20, 1976











 
 
  Recently Added Patents
Advocate for facilitating verification for the online presence of an entity
Adaptive control for uncertain nonlinear multi-input multi-output systems
Efficient implementation of hash algorithm on a processor
Method of forming an isolation structure
Method of manufacturing semiconductor devices using ion implantation
System and method for computational unification of heterogeneous implicit and explicit processing elements
Input device with photodetector pairs
  Randomly Featured Patents
Gate control circuit with capacitor for field controlled thyristor
Backbone interface, a terminal interface for communications in a space vehicle, and a communications network comprising such interfaces
Electrochromic inks
Gliding airfoil parachute canopy construction
Support for hand operated rotatable tool
Carbonate absorption system and process for carbon dioxide separation
Picture data memory with high access efficiency in detecting motion vectors, a motion vector detection circuit provided with the picture data memory, and an address conversion circuit
Tire tread
Turbomachine inner casing fitted with a heat shield
Packet data communication system