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Class Information
Number: 420/68
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Molybdenum or tungsten containing > Titanium, zirconium or hafnium containing
Description: Alloy or metallic composition which additionally contains one or more of titanium, zirconium or hafnium..
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 |
| 7445750 |
Reinforced durable steel, method for the production thereof, method for producing parts made of steel, and parts thus obtained |
Nov. 4, 2008 |
| 7297214 |
Free cutting alloy |
Nov. 20, 2007 |
| 6921440 |
Niobium-stabilized 14% chromium ferritic steel, and use of same in the automobile sector |
Jul. 26, 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 |
| 6786981 |
Ferritic stainless steel sheet for fuel tank and fuel pipe |
Sep. 7, 2004 |
| 6770243 |
Chrome steel alloy |
Aug. 3, 2004 |
| 6641780 |
Ferritic stainless steel having high temperature creep resistance |
Nov. 4, 2003 |
| 6562293 |
Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts |
May. 13, 2003 |
| 6475642 |
Oxidation-resistant coatings, and related articles and processes |
Nov. 5, 2002 |
| 6214289 |
Iron-chromium-silicon alloys for high-temperature oxidation resistance |
Apr. 10, 2001 |
| 6123898 |
Low heat expansion alloy |
Sep. 26, 2000 |
| 6048413 |
Duplex stainless steel with high corrosion resistance |
Apr. 11, 2000 |
| 6024778 |
Production of iron or nickel-based products |
Feb. 15, 2000 |
| 5942184 |
Stainless steel for high-purity gases |
Aug. 24, 1999 |
| 5849111 |
Duplex stainless steel |
Dec. 15, 1998 |
| 5779820 |
Process for producing a ferritic stainless steel having an improved corrosion resistance, especially resistance to intergranular and pitting corrosion |
Jul. 14, 1998 |
| 5714115 |
Austenitic steel alloy |
Feb. 3, 1998 |
| 5709836 |
Chromium steel sheets having an excellent press formability |
Jan. 20, 1998 |
| 5512239 |
Ferritic stainless steel for heat exchanger |
Apr. 30, 1996 |
| 5427634 |
Ferrite system stainless steel having excellent nacl-induced hot corrosion resistance and high temperature strength |
Jun. 27, 1995 |
| 5395583 |
Stainless steel composition |
Mar. 7, 1995 |
| 5383983 |
Martensitic stainless steel suitable for use in oil wells |
Jan. 24, 1995 |
| 5158745 |
High-nitrogen ferritic heat-resisting steel |
Oct. 27, 1992 |
| 5110544 |
Stainless steel exhibiting excellent anticorrosion property for use in engine exhaust systems |
May. 5, 1992 |
| 5106578 |
Cast-to-near-net-shape steel body of heat-resistant cast steel |
Apr. 21, 1992 |
| 5091147 |
Heat-resistant cast steels |
Feb. 25, 1992 |
| 5069870 |
High-strength high-CR steel with excellent toughness and oxidation resistance |
Dec. 3, 1991 |
| 5061441 |
Highly wear-resistant roll steel for cold rolling mills |
Oct. 29, 1991 |
| 5035855 |
Martensitic precipitation-hardenable stainless steel |
Jul. 30, 1991 |
| 5030415 |
Structural part made of ferritic chromium-molybdenum steel which is resistant to concentrated sulfuric acid |
Jul. 9, 1991 |
| 5000912 |
Nickel titanium martensitic steel for surgical needles |
Mar. 19, 1991 |
| 4957701 |
High-strength high-Cr ferritic heat-resistant steel |
Sep. 18, 1990 |
| H807 |
Manganese-stabilized austenitic stainless steels for fusion applications |
Aug. 7, 1990 |
| 4902473 |
Rotary brake disc |
Feb. 20, 1990 |
| 4888153 |
Fe-base build-up alloy excellent in resistance to corrosion and wear |
Dec. 19, 1989 |
| 4881991 |
Special rolled steels |
Nov. 21, 1989 |
| 4846899 |
Nitride dispersion-strengthened steels and method of making |
Jul. 11, 1989 |
| 4822415 |
Thermal spray iron alloy powder containing molybdenum, copper and boron |
Apr. 18, 1989 |
| 4762577 |
9 Chromium- 1 molybdenum steel alloy having superior high temperature properties and weldability, a method for preparing same and articles fabricated therefrom |
Aug. 9, 1988 |
| 4726853 |
Ferritic stainless steel strip or sheet, in particular for exhaust systems |
Feb. 23, 1988 |
| 4652428 |
Corrosion resistant alloy |
Mar. 24, 1987 |
| 4640722 |
High temperature ferritic steel |
Feb. 3, 1987 |
| 4533406 |
Minimum activation martensitic alloys for surface disposal after exposure to neutron flux |
Aug. 6, 1985 |
| 4514235 |
Frog, in particular frog point, for rail crossing or rail switches as well as process for producing same |
Apr. 30, 1985 |
| 4461811 |
Stabilized ferritic stainless steel with improved brazeability |
Jul. 24, 1984 |
| 4456482 |
Ferritic stainless steel |
Jun. 26, 1984 |
| 4456483 |
Ferritic stainless steel |
Jun. 26, 1984 |
| 4408709 |
Method of making titanium-stabilized ferritic stainless steel for preheater and reheater equipment applications |
Oct. 11, 1983 |
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