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Class Information
Number: 420/34
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing
Description: Alloy or metallic composition which additionally contains 9 percent or more of chromium.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7601230 |
Medical devices |
Oct. 13, 2009 |
| 7597797 |
System and method for on-line spalling of a coker |
Oct. 6, 2009 |
| 7429302 |
Stainless steel sheet for welded structural components and method for making the same |
Sep. 30, 2008 |
| 7392930 |
Iron-based braze filler metal for high-temperature applications |
Jul. 1, 2008 |
| 7390456 |
Powder-metallurgic method for producing highly dense shaped parts |
Jun. 24, 2008 |
| 7341637 |
Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
Mar. 11, 2008 |
| 7294212 |
High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same |
Nov. 13, 2007 |
| 7267730 |
Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength |
Sep. 11, 2007 |
| 6974506 |
Method of manufacturing a ferritic-martensitic, Oxide Dispersion Strengthened alloy |
Dec. 13, 2005 |
| 6893727 |
Metal gasket and a material for its manufacture and a method for their manufacture |
May. 17, 2005 |
| 6824672 |
Use of austenitic stainless steels in applications requiring anti-coking properties |
Nov. 30, 2004 |
| 6776928 |
Conductive coating composition |
Aug. 17, 2004 |
| 6733694 |
Electric resistance material |
May. 11, 2004 |
| 6673165 |
High-hardness martensitic stainless steel excellent in corrosion resistance |
Jan. 6, 2004 |
| 6645318 |
Fuel tank made of ferritic stainless steel |
Nov. 11, 2003 |
| 6623569 |
Duplex stainless steels |
Sep. 23, 2003 |
| 6599376 |
FE-CR soft magnetic material and a method of manufacturing thereof |
Jul. 29, 2003 |
| 6582652 |
Stainless steel alloy having lowered nickel-chromium toxicity and improved biocompatibility |
Jun. 24, 2003 |
| 6562293 |
Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts |
May. 13, 2003 |
| 6464802 |
High Cr steel pipe for line pipe |
Oct. 15, 2002 |
| 6427759 |
Investment cast stainless steel marine propeller |
Aug. 6, 2002 |
| 6426038 |
Universal alloy steel |
Jul. 30, 2002 |
| 6379821 |
Martensitic stainless steel welded pipe |
Apr. 30, 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 |
| 6332934 |
Martensitic stainless steel for seamless steel pipe |
Dec. 25, 2001 |
| 6299704 |
Heat resisting steel containing a ferrite or tempered martensite structure |
Oct. 9, 2001 |
| 6274084 |
Corrosion-resistant low-nickel austenitic stainless steel |
Aug. 14, 2001 |
| 6224687 |
Piston ring material and piston ring with excellent scuffing resistance and workability |
May. 1, 2001 |
| 6207103 |
Fe-Cr-Si steel sheets having excellent corrosion resistance and method for manufacturing the same |
Mar. 27, 2001 |
| 6187147 |
Delayed coker unit furnace |
Feb. 13, 2001 |
| 6174385 |
Ferritic heat resistant steels |
Jan. 16, 2001 |
| 6159310 |
Wire for welding high-chromium steel |
Dec. 12, 2000 |
| 6096441 |
Austenoferritic stainless steel having a very low nickel content and a high tensile elongation |
Aug. 1, 2000 |
| 5951787 |
Method of forming oxide-passivated film, ferrite system stainless steel, fluid feed system and fluid contact component |
Sep. 14, 1999 |
| 5944920 |
Piston ring material excellent in workability |
Aug. 31, 1999 |
| 5939204 |
Article for transporting a hot, oxidizing gas |
Aug. 17, 1999 |
| 5939018 |
Martensitic stainless steels for seamless steel pipe |
Aug. 17, 1999 |
| 5888318 |
Method of producing ferritic iron-base alloys and ferritic heat resistant steels |
Mar. 30, 1999 |
| 5879619 |
Hydrogen sulfide corrosion resistant high-Cr and high-Ni alloys |
Mar. 9, 1999 |
| 5843369 |
Stainless steel for anti-friction bearing and method of making |
Dec. 1, 1998 |
| 5749939 |
Melting of NI laterite in making NI alloyed iron or steel |
May. 12, 1998 |
| 5670216 |
Cooking untensil, intermediate layer for non-stick coating of a cooking untensil, and method |
Sep. 23, 1997 |
| 5667751 |
Alloy material with improved catalytic properties |
Sep. 16, 1997 |
| 5575972 |
FE-CR alloy and nozzle for diesel engines |
Nov. 19, 1996 |
| 5529604 |
Modified stainless steel powder composition |
Jun. 25, 1996 |
| 5520751 |
Oxidation of low chromium steels |
May. 28, 1996 |
| 5496514 |
Stainless steel sheet and method for producing thereof |
Mar. 5, 1996 |
| 5433801 |
Razor blade steel having high corrosion resistance, razor blades and a process for manufacturing razor blades |
Jul. 18, 1995 |
| 5350465 |
Method of mechanical structuring of endless pressing bands and product thereof |
Sep. 27, 1994 |
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