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Class Information
Number: 420/54
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Eight percent or more nickel containing > Group iv or v transition metal containing
Description: Alloy or metallic composition which additionally contains one or more titanium, zirconium, hafnium, vanadium, niobium or tantalum.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7455811 |
Brazing material and brazed products manufactured therewith |
Nov. 25, 2008 |
| 7442265 |
Heat-resistant cast steel excellent in aged ductility and creep rupture strength for hydrogen producing reaction tubes |
Oct. 28, 2008 |
| 7014720 |
Austenitic stainless steel tube excellent in steam oxidation resistance and a manufacturing method thereof |
Mar. 21, 2006 |
| 6592685 |
Transformation controlled nitride precipitation hardening heat treatable steel |
Jul. 15, 2003 |
| 6511554 |
Stainless spheroidal carbide cast iron material |
Jan. 28, 2003 |
| 6485679 |
Heat resistant austenitic stainless steel |
Nov. 26, 2002 |
| 6406563 |
Stainless spheroidal carbide cast iron |
Jun. 18, 2002 |
| 6391254 |
Fe-Cr-Ni alloy for electron gun electrodes |
May. 21, 2002 |
| 6355212 |
Alloy for corrosion-resistant coatings or surface coatings |
Mar. 12, 2002 |
| 6290905 |
Welding material |
Sep. 18, 2001 |
| 6146582 |
Austenitic stainless steel with good oxidation resistance |
Nov. 14, 2000 |
| 5948182 |
Heat resisting steel |
Sep. 7, 1999 |
| 5827476 |
Austenitic stainless steel with good oxidation resistance |
Oct. 27, 1998 |
| 5779972 |
Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas |
Jul. 14, 1998 |
| 5753178 |
Austenitic stainless steel for use when hot |
May. 19, 1998 |
| 5660939 |
Stainless steel alloy |
Aug. 26, 1997 |
| 5501835 |
Heat-resistant, austenitic cast steel and exhaust equipment member made thereof |
Mar. 26, 1996 |
| 5393487 |
Steel alloy having improved creep strength |
Feb. 28, 1995 |
| 5340413 |
Fe-NI based soft magnetic alloys having nanocrystalline structure |
Aug. 23, 1994 |
| 5242655 |
Stainless steel |
Sep. 7, 1993 |
| 5194220 |
Austenitic cast steel and articles made thereof |
Mar. 16, 1993 |
| 5164270 |
Iron-based alloys with corrosion resistance to oxygen-sulfur mixed gases |
Nov. 17, 1992 |
| 5147602 |
Corrosion resistant high chromium stainless steel alloy |
Sep. 15, 1992 |
| 5137684 |
Hydrogen embrittlement resistant structural alloy |
Aug. 11, 1992 |
| 5116570 |
Stainless maraging steel having high strength, high toughness and high corrosion resistance and it's manufacturing process |
May. 26, 1992 |
| 5021215 |
High-strength, heat-resistant steel with improved formability and method thereof |
Jun. 4, 1991 |
| 5019331 |
Heat-resistant alloy |
May. 28, 1991 |
| 4902472 |
High strength stainless steel |
Feb. 20, 1990 |
| 4816218 |
Process of using an iron-nickel-chromium alloy in an oxidation attacking environment |
Mar. 28, 1989 |
| 4808371 |
Exterior protective member made of austenitic stainless steel for a sheathing heater element |
Feb. 28, 1989 |
| 4780276 |
Castable hot corrosion resistant alloy |
Oct. 25, 1988 |
| 4729790 |
Rapidly solidified aluminum based alloys containing silicon for elevated temperature applications |
Mar. 8, 1988 |
| 4671929 |
Austenitic stainless steel with improved resistance to corrosion by nitric acid |
Jun. 9, 1987 |
| 4581067 |
High-strength austenitic steel |
Apr. 8, 1986 |
| 4470848 |
Oxidation sulfidation resistance of Fe-Cr-Ni alloys |
Sep. 11, 1984 |
| 4340575 |
Manufacture of hydroxylammonium salts |
Jul. 20, 1982 |
| 4248629 |
Nickel- and chromium-base alloys possessing very-high resistance to carburization at very-high temperature |
Feb. 3, 1981 |
| 4246046 |
Stainless steel container for fluid and method |
Jan. 20, 1981 |
| 4234385 |
Nuclear fuel element |
Nov. 18, 1980 |
| 4165997 |
Intermediate temperature service alloy |
Aug. 28, 1979 |
| 4141762 |
Two-phase stainless steel |
Feb. 27, 1979 |
| 4119456 |
High-strength cast heat-resistant alloy |
Oct. 10, 1978 |
| 4102225 |
Low chromium oxidation resistant austenitic stainless steel |
Jul. 25, 1978 |
| 4086085 |
Austenitic iron alloys |
Apr. 25, 1978 |
| 4077801 |
Iron-chromium-nickel heat resistant castings |
Mar. 7, 1978 |
| 4041274 |
Maraging stainless steel welding electrode |
Aug. 9, 1977 |
| 3969161 |
Cr-Ni system austenitic heat-resisting steel |
Jul. 13, 1976 |
| 3940267 |
Austenitic heat resisting steel |
Feb. 24, 1976 |
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