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Class Information
Number: 420/583
Name: Alloys or metallic compositions > Containing over 50 per cent metal but no base metal > Iron containing > Chromium containing
Description: Alloy, or metallic composition which additionally contains chromium.

Sub-classes under this class:

Class Number Class Name Patents
420/584.1 Nickel containing 164

Patents under this class:
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Patent Number Title Of Patent Date Issued
8506884 .gamma. phase strengthened Fe--Ni base superalloy Aug. 13, 2013
8012271 Material for components of a gas turbine Sep. 6, 2011
8002909 Medical devices Aug. 23, 2011
7691215 Compounds and methods of fabricating compounds exhibiting giant magnetoresistance and spin-polarized tunneling Apr. 6, 2010
7662740 Platinum-chromium-copper/nickel fuel cell catalyst Feb. 16, 2010
7658883 Interstitially strengthened high carbon and high nitrogen austenitic alloys, oilfield apparatus comprising same, and methods of making and using same Feb. 9, 2010
7601230 Medical devices Oct. 13, 2009
7294214 Medical devices Nov. 13, 2007
6737194 Non-pyrophoric hydrogen storage alloy May. 18, 2004
6652991 Ductile NiAl intermetallic compositions Nov. 25, 2003
6562293 Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts May. 13, 2003
6524405 Iron base high temperature alloy Feb. 25, 2003
6517970 Non-pyrophoric hydrogen storage alloy Feb. 11, 2003
6485678 Wear-resistant iron base alloys Nov. 26, 2002
6454879 Process for producing a paramagnetic, corrosion-resistant material and like materials with high yield strength, strength, and ductility Sep. 24, 2002
6355212 Alloy for corrosion-resistant coatings or surface coatings Mar. 12, 2002
6190465 Soft magnetic alloy of the Fe-Ni-Cr-Ti type for a magnetic circuit of a high-sensitivity relay Feb. 20, 2001
6168757 Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts Jan. 2, 2001
6123898 Low heat expansion alloy Sep. 26, 2000
6057045 High-speed steel article May. 2, 2000
6004507 Material formulation for galvanizing equipment submerged in molten and aluminum zinc melts Dec. 21, 1999
5888317 Hydrogen-storage material employing ti-mn alloy system Mar. 30, 1999
5851690 Hydrogen absorbing alloys Dec. 22, 1998
5833919 Fe-Mn-Cr-Al cryogenix alloy and method of making Nov. 10, 1998
5800152 Oxidation resistant metallic materials Sep. 1, 1998
5709836 Chromium steel sheets having an excellent press formability Jan. 20, 1998
5662864 Fe-Cr alloy exhibiting excellent ridging resistance and surface characteristics Sep. 2, 1997
5643531 Ferrous alloy composition and manufacture and coating methods of mechanical products using the same Jul. 1, 1997
5501834 Nonmagnetic ferrous alloy with excellent corrosion resistance and workability Mar. 26, 1996
5447683 Braze for silicon carbide bodies Sep. 5, 1995
5273712 Highly corrosion and/or oxidation-resistant protective coating containing rhenium Dec. 28, 1993
5176762 Age hardenable beta titanium alloy Jan. 5, 1993
5154885 Highly corrosion and/or oxidation-resistant protective coating containing rhenium Oct. 13, 1992
5114503 Magnetic core May. 19, 1992
5077006 Heat resistant alloys Dec. 31, 1991
5030519 Tungsten carbide-containing hard alloy that may be processed by melting Jul. 9, 1991
5028388 Method for producing chromium containing molten iron with low sulphur concentration Jul. 2, 1991
5006054 Low density heat resistant intermetallic alloys of the Al.sub.3 Ti type Apr. 9, 1991
4999158 Oxidation resistant iron base alloy compositions Mar. 12, 1991
4985075 Method for manufacturing chromium-bearing pig iron Jan. 15, 1991
4983356 Ruthenium bearing iron base high temperature structural alloys Jan. 8, 1991
4888153 Fe-base build-up alloy excellent in resistance to corrosion and wear Dec. 19, 1989
4869758 Iron/copper/chromium alloy material for high-strength lead frame or pin grid array Sep. 26, 1989
4842657 Amorphous alloys containing iron group elements and zirconium and particles made of said alloys Jun. 27, 1989
4765955 Co-base alloys for engine valves and valve seats Aug. 23, 1988
4735772 Palladium-cobalt alloys; manufacture of a root cap Apr. 5, 1988
4728495 Removable dental appliances Mar. 1, 1988
4711826 Iron-nickel alloys having improved glass sealing properties Dec. 8, 1987
4695333 Iron-chromium-base spinodal decomposition-type magnetic (hard or semi-hard) alloy Sep. 22, 1987
H326 Mn-Fe base and Mn-Cr-Fe base austenitic alloys Sep. 1, 1987

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