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Class Information
Number: 420/67
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Molybdenum or tungsten containing
Description: Alloy or metallic composition which additionally contains one or more of molybdenum or tungsten.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7572407 |
Martensitic stainless steel sheet and method for making the same |
Aug. 11, 2009 |
| 7396420 |
Hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property |
Jul. 8, 2008 |
| 7347903 |
Duplex stainless steel for urea manufacturing plants |
Mar. 25, 2008 |
| 7341690 |
Soft Cr-containing steel |
Mar. 11, 2008 |
| 7297214 |
Free cutting alloy |
Nov. 20, 2007 |
| 7294212 |
High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same |
Nov. 13, 2007 |
| 7156979 |
Thermal cracking process using tubes, pipes, and coils made of novel stainless steel matrix |
Jan. 2, 2007 |
| 6974506 |
Method of manufacturing a ferritic-martensitic, Oxide Dispersion Strengthened alloy |
Dec. 13, 2005 |
| 6881280 |
Iron-based alloy for internal combustion engine valve seat inserts and the like |
Apr. 19, 2005 |
| 6841122 |
Hot working die steel excelling in molten corrosion resistance and strength at elevated temperature and member for high temperature use formed of the hot working die steel |
Jan. 11, 2005 |
| 6824672 |
Use of austenitic stainless steels in applications requiring anti-coking properties |
Nov. 30, 2004 |
| 6793744 |
Martenstic stainless steel having high mechanical strength and corrosion |
Sep. 21, 2004 |
| 6712912 |
Welding method, filler metal composition and article made therefrom |
Mar. 30, 2004 |
| 6689231 |
Use of stainless steel alloy as umbilical tubes in seawater environment |
Feb. 10, 2004 |
| 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 |
| 6551420 |
Duplex stainless steel |
Apr. 22, 2003 |
| 6485678 |
Wear-resistant iron base alloys |
Nov. 26, 2002 |
| 6444168 |
Apparatus comprising furnaces, reactors or conduits used in applications requiring anti-coking properties and novel steel compositions |
Sep. 3, 2002 |
| 6436338 |
Iron-based alloy for internal combustion engine valve seat inserts |
Aug. 20, 2002 |
| 6375895 |
Hardfacing alloy, methods, and products |
Apr. 23, 2002 |
| 6303237 |
Ferritic alloy for constructions |
Oct. 16, 2001 |
| 6290905 |
Welding material |
Sep. 18, 2001 |
| 6235237 |
Steel alloy for gliding elements |
May. 22, 2001 |
| 6235238 |
Apparatus comprising furnaces, reactors or conduits having internal walls comprising at least partly of a steel alloy |
May. 22, 2001 |
| 6123898 |
Low heat expansion alloy |
Sep. 26, 2000 |
| 6096262 |
Martensitic heat resisting steel |
Aug. 1, 2000 |
| 6093233 |
Ferritic stainless steel and external part for a watch made thereof |
Jul. 25, 2000 |
| 6051081 |
Austenitic-ferritic steel of the superduplex type applicable to the fabrication of seamless tubes |
Apr. 18, 2000 |
| 6048413 |
Duplex stainless steel with high corrosion resistance |
Apr. 11, 2000 |
| 5985209 |
Martensitic steel for line pipe having excellent corrosion resistance and weldability |
Nov. 16, 1999 |
| 5944920 |
Piston ring material excellent in workability |
Aug. 31, 1999 |
| 5942184 |
Stainless steel for high-purity gases |
Aug. 24, 1999 |
| 5906791 |
Steel alloys |
May. 25, 1999 |
| 5849111 |
Duplex stainless steel |
Dec. 15, 1998 |
| 5714115 |
Austenitic steel alloy |
Feb. 3, 1998 |
| 5702668 |
Cobalt-free hardfacing alloys with improved welding characteristics |
Dec. 30, 1997 |
| 5582657 |
Heat-resistant, ferritic cast steel having high castability and exhaust equipment member made thereof |
Dec. 10, 1996 |
| 5545482 |
Two-phase stainless steel wire rope having high fatigue resistance and corrosion resistance |
Aug. 13, 1996 |
| 5433801 |
Razor blade steel having high corrosion resistance, razor blades and a process for manufacturing razor blades |
Jul. 18, 1995 |
| 5395583 |
Stainless steel composition |
Mar. 7, 1995 |
| 5364588 |
Double stabilized stainless-type steel die block |
Nov. 15, 1994 |
| 5284528 |
Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability |
Feb. 8, 1994 |
| 5275672 |
Razor blade steel having high corrosion resistance and differential residual austenite content |
Jan. 4, 1994 |
| 5167731 |
Martensitic stainless steel for an oil well |
Dec. 1, 1992 |
| 5110378 |
Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability |
May. 5, 1992 |
| 5069870 |
High-strength high-CR steel with excellent toughness and oxidation resistance |
Dec. 3, 1991 |
| 5059389 |
Low alloy steel product |
Oct. 22, 1991 |
| 5032356 |
High fatigue strength metal band saw backing material |
Jul. 16, 1991 |
| 5000912 |
Nickel titanium martensitic steel for surgical needles |
Mar. 19, 1991 |
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