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Class Information
Number: 420/62
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Over 0.1 percent aluminum containing
Description: Alloy or metallic composition which additionally contains more than 0.1 percent aluminum.

Sub-classes under this class:

Class Number Class Name Patents
420/63 Molybdenum or tungsten conaining 41

Patents under this class:
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Patent Number Title Of Patent Date Issued
8554389 Thermal management techniques in an electronic device Oct. 8, 2013
8470237 Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance t Jun. 25, 2013
8444916 Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance t May. 21, 2013
8431072 Cast alumina forming austenitic stainless steels Apr. 30, 2013
8153055 Ferritic stainless steel with excellent heat resistance Apr. 10, 2012
7943085 Ferritic stainless steel for automobile exhaust gas passage components and welded steel pipe May. 17, 2011
7875134 Fe-based alloy having corrosion resistance and abrasion resistance and preparation method thereof Jan. 25, 2011
7806993 Heat-resistant ferritic stainless steel and method for production thereof Oct. 5, 2010
7005105 Fe-Cr-Al alloys for electric resistance wires Feb. 28, 2006
6719855 Fe--cr--al based alloy foil and method for producing the same Apr. 13, 2004
6627007 Surface modified stainless steel Sep. 30, 2003
6582835 Coated ferrite stainless steel sheet usable in the automobile exhaust sector Jun. 24, 2003
6524405 Iron base high temperature alloy Feb. 25, 2003
6379477 Fe-Cr-Ni alloy for electron gun electrodes and Fe-Cr-Ni alloy sheet for electron gun electrodes Apr. 30, 2002
6355212 Alloy for corrosion-resistant coatings or surface coatings Mar. 12, 2002
6231807 Dispersion hardening alloy and method for the production of the alloy May. 15, 2001
6207103 Fe-Cr-Si steel sheets having excellent corrosion resistance and method for manufacturing the same Mar. 27, 2001
6203632 Oxidation-resistant metal foil, its use and method for its production Mar. 20, 2001
6193173 Burner with an improved injector and process for manufacturing this injector Feb. 27, 2001
6096441 Austenoferritic stainless steel having a very low nickel content and a high tensile elongation Aug. 1, 2000
6048601 Soft magnetic alloy powder for electromagnetic and magnetic shield, and shielding members containing the same Apr. 11, 2000
5944917 Stainless steel for ozone added water and manufacturing method thereof Aug. 31, 1999
5866065 Ferritic stainless steel of use in particular for catalyst supports Feb. 2, 1999
5833919 Fe-Mn-Cr-Al cryogenix alloy and method of making Nov. 10, 1998
5749939 Melting of NI laterite in making NI alloyed iron or steel May. 12, 1998
5665669 Metallic honeycomb body for supporting catalyst and production method thereof Sep. 9, 1997
5609818 Steel excellent in corrosion resistance and processability Mar. 11, 1997
5565167 Stainless steel excellent in fused-salt corrosion resistance and method of producing the same Oct. 15, 1996
5480608 Ferritic stainless steel having an excellent oxidation resistance Jan. 2, 1996
5426084 Highly heat-resistant metallic carrier for an automobile catalyst Jun. 20, 1995
5422070 Oxidation-resistant and corrosion-resistant alloy based on doped iron aluminide, and use of said alloy Jun. 6, 1995
5228932 Fe-Cr-Al alloy, catalytic substrate comprising the same and method of preparation Jul. 20, 1993
5165899 Element for filtering and/or purifying hot gases, and a process for manufacturing same Nov. 24, 1992
5160390 Rapidly solidified Fe-Cr-Al alloy foil having excellent anti-oxidation properties Nov. 3, 1992
5160553 Cold-worked steel of high compressive strength and articles made thereof Nov. 3, 1992
5158744 Oxidation- and corrosion-resistant alloy for components for a medium temperature range based on doped iron aluminide, Fe.sub.3 Al Oct. 27, 1992
5129959 Sulfur treatment of magnesium-contaminated Fe-Cr-Al alloy for improved whisker growth Jul. 14, 1992
5089223 Fe-Cr-Ni-Al ferritic alloys Feb. 18, 1992
5082687 Process for producing organic electrical conductor Jan. 21, 1992
5045404 Heat-resistant stainless steel foil for catalyst-carrier of combustion exhaust gas purifiers Sep. 3, 1991
5019331 Heat-resistant alloy May. 28, 1991
4985092 Steel having good wear resistance Jan. 15, 1991
4983356 Ruthenium bearing iron base high temperature structural alloys Jan. 8, 1991
4964926 Ferritic stainless steel Oct. 23, 1990
4957699 Soft magnetic Cr-Al steel Sep. 18, 1990
4938808 Martensitic stainless steel sheet having improved oxidation resistance, workability, and corrosion resistance Jul. 3, 1990
4844865 Seawater-corrosion-resistant non-magnetic steel materials Jul. 4, 1989
4834808 Producing a weldable, ferritic stainless steel strip May. 30, 1989
4824635 P-added ferritic stainless steel having excellent formability and secondary workability Apr. 25, 1989
4780276 Castable hot corrosion resistant alloy Oct. 25, 1988

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