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Class Information
Number: 420/70
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Group iv or v transition metal containing
Description: Alloy or metallic composition which additionally contains one or more of titanium, zirconium, hafnium, vanadium, niobium or tantalum.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40950 |
Ferritic stainless steel plate |
Nov. 10, 2009 |
| 7476282 |
Martensitic stainless steel pipe |
Jan. 13, 2009 |
| 7297214 |
Free cutting alloy |
Nov. 20, 2007 |
| 6884388 |
Low carbon martensitic stainless steel and method for production thereof |
Apr. 26, 2005 |
| 6855213 |
Non-ridging ferritic chromium alloyed steel |
Feb. 15, 2005 |
| 6776956 |
Steel for separators of solid-oxide type fuel cells |
Aug. 17, 2004 |
| 6756011 |
High-strength, high corrosion-resistant and non-magnetic stainless steel |
Jun. 29, 2004 |
| 6719855 |
Fe--cr--al based alloy foil and method for producing the same |
Apr. 13, 2004 |
| 6669790 |
Iron-based casting alloy |
Dec. 30, 2003 |
| 6592685 |
Transformation controlled nitride precipitation hardening heat treatable steel |
Jul. 15, 2003 |
| 6582652 |
Stainless steel alloy having lowered nickel-chromium toxicity and improved biocompatibility |
Jun. 24, 2003 |
| 6511554 |
Stainless spheroidal carbide cast iron material |
Jan. 28, 2003 |
| 6479013 |
Casting components made from a tool steel |
Nov. 12, 2002 |
| 6475642 |
Oxidation-resistant coatings, and related articles and processes |
Nov. 5, 2002 |
| 6464802 |
High Cr steel pipe for line pipe |
Oct. 15, 2002 |
| 6458221 |
Ferritic stainless steel plate |
Oct. 1, 2002 |
| 6406563 |
Stainless spheroidal carbide cast iron |
Jun. 18, 2002 |
| 6387192 |
Light constructional steel and the use thereof |
May. 14, 2002 |
| 6375764 |
Weaving machine member made of an abrasion-resistant steel |
Apr. 23, 2002 |
| 6355212 |
Alloy for corrosion-resistant coatings or surface coatings |
Mar. 12, 2002 |
| 6334977 |
Powder material for powder plasma overlaying and powder plasma overlaying metal |
Jan. 1, 2002 |
| 6322638 |
Electromagnetic steel sheet having excellent high-frequency magnetic properties |
Nov. 27, 2001 |
| 6306341 |
Stainless steel product having excellent antimicrobial activity and method for production thereof |
Oct. 23, 2001 |
| 6214289 |
Iron-chromium-silicon alloys for high-temperature oxidation resistance |
Apr. 10, 2001 |
| 6168756 |
Highly corrosion-resistant chromium-containing steel with excellent oxidation resistance and intergranular corrosion resistance |
Jan. 2, 2001 |
| 6162306 |
Electromagnetic steel sheet having excellent high-frequency magnetic properities and method |
Dec. 19, 2000 |
| 5906791 |
Steel alloys |
May. 25, 1999 |
| 5843370 |
Ferritic stainless steel for exhaust system equipment of vehicle |
Dec. 1, 1998 |
| 5707586 |
Free machining stainless steel and components for automotive fuel and exhaust systems made therefrom |
Jan. 13, 1998 |
| 5662864 |
Fe-Cr alloy exhibiting excellent ridging resistance and surface characteristics |
Sep. 2, 1997 |
| 5350559 |
Ferrite steel which excels in high-temperature strength and toughness |
Sep. 27, 1994 |
| 5304259 |
Chromium containing high strength steel sheet excellent in corrosion resistance and workability |
Apr. 19, 1994 |
| 5254836 |
Method of arc welding with a ferrite stainless steel welding rod |
Oct. 19, 1993 |
| 5152848 |
High toughness stainless steels and the method of producing the same |
Oct. 6, 1992 |
| 5106578 |
Cast-to-near-net-shape steel body of heat-resistant cast steel |
Apr. 21, 1992 |
| 5096664 |
Alloys having excellent erosion resistance and stress corrosion cracking resistance |
Mar. 17, 1992 |
| 5091147 |
Heat-resistant cast steels |
Feb. 25, 1992 |
| 5069870 |
High-strength high-CR steel with excellent toughness and oxidation resistance |
Dec. 3, 1991 |
| 5051234 |
High corrosion-resistant electromagnetic stainless steels |
Sep. 24, 1991 |
| 4964926 |
Ferritic stainless steel |
Oct. 23, 1990 |
| 4881991 |
Special rolled steels |
Nov. 21, 1989 |
| 4882124 |
Alloys having excellent erosion resistance |
Nov. 21, 1989 |
| 4842657 |
Amorphous alloys containing iron group elements and zirconium and particles made of said alloys |
Jun. 27, 1989 |
| 4834808 |
Producing a weldable, ferritic stainless steel strip |
May. 30, 1989 |
| 4751046 |
Austenitic stainless steel with high cavitation erosion resistance |
Jun. 14, 1988 |
| 4726853 |
Ferritic stainless steel strip or sheet, in particular for exhaust systems |
Feb. 23, 1988 |
| 4720435 |
Nuclear grade steel articles |
Jan. 19, 1988 |
| 4714502 |
Soft magnetic stainless steel for cold forging |
Dec. 22, 1987 |
| 4705581 |
Soft magnetic stainless steel |
Nov. 10, 1987 |
| 4695333 |
Iron-chromium-base spinodal decomposition-type magnetic (hard or semi-hard) alloy |
Sep. 22, 1987 |
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