| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 12/20/1977 | US4063940 Making of articles from metallic powder |
| 11/29/1977 | US4060414 Copper coated iron-carbon eutectic alloy powders |
| 10/11/1977 | US4053307 Quick lime, chromium ore, silicic reducing agent |
| 10/11/1977 | US4052802 Ground-engaging tool with wear-resistant insert |
| 09/27/1977 | US4050960 Method for decreasing the amount of carbon and nitrogen contained in the ferrochrome alloy |
| 09/27/1977 | US4050933 Coating iron powder with copper; compression, melting |
| 09/20/1977 | US4049444 Thermal upgrading, recovering nickel by reducing with alkali or alkaline earth metal compound, liquid hydrocarbon |
| 09/20/1977 | US4049429 M forgingsage-hardenable steel of nickel-copper-molybdenum-iron |
| 09/13/1977 | US4047983 Process for producing soft magnetic material |
| 09/13/1977 | US4047942 Thermite smelting of ferromolybdenum |
| 08/16/1977 | US4042381 Shaped sulfide inclusions |
| 08/02/1977 | US4039325 Vacuum smelting process for producing ferromolybdenum |
| 07/19/1977 | US4036641 Adding an alloy of silicon, magnesium, iron, titanium, and a rare earth to molten iron |
| 07/12/1977 | US4035159 Iron-base sintered alloy for valve seat |
| 07/05/1977 | US4033766 Continuous stream treatment of ductile iron |
| 06/28/1977 | US4032336 Sintered liquid phase stainless steel |
| 06/28/1977 | US4032302 Carbide enriched high speed tool steel |
| 06/14/1977 | US4029140 Method of and means for obtaining white cast iron |
| 06/07/1977 | US4028099 Cast iron |
| 06/07/1977 | US4028094 Chromium, nickel, molybdenum, iron |
| 06/07/1977 | US4027594 Disintegrating lead shot |
| 05/17/1977 | US4023989 Method for producing corded steel wire |
| 05/17/1977 | US4023985 Steel abrasives and method for producing same |
| 05/17/1977 | US4023739 Lining element for pulp refiners |
| 05/03/1977 | US4021205 High heat and abrasion resistance, mixing alloy, carbon, and ferrous base metal under pressure |
| 04/19/1977 | US4018632 Molybdenum, manganese, carbon, iron |
| 04/12/1977 | US4017310 Adding carbon and strontium oxide, carbonate, or sulfate |
| 03/29/1977 | US4014680 Prealloyed stainless steel powder for liquid phase sintering |
| 03/08/1977 | US4011108 Cutting tools and a process for the manufacture of such tools |
| 03/08/1977 | US4011077 Copper coated, iron-carbon eutectic alloy powders |
| 03/08/1977 | US4011054 Sinter material for sealing strips in rotary piston engines |
| 02/22/1977 | US4009111 Iron-cobalt-chromium ferromagnetic alloy |
| 02/08/1977 | US4007072 Ferromagnetic metal powder comprising lead and method for making the same |
| 02/01/1977 | US4006284 Extended arc furnace and process for melting particulate charge therein |
| 01/04/1977 | US4000980 Eutectic alloys, iron, boron, carbon, phosphorous |
| 12/28/1976 | US3999984 Method of adding metallic additive to molten metal of higher temperature than boiling point of the additive |
| 12/28/1976 | US3999952 Sintered hard alloy of multiple boride containing iron |
| 12/21/1976 | US3999216 Material for magnetic transducer heads |
| 12/21/1976 | US3998631 Oxidation of molten ferrophosphorous |
| 12/21/1976 | US3998623 Method of producing alloys containing titanium carbide |
| 11/30/1976 | US3994734 High density infiltrating paste |
| 11/23/1976 | US3993445 Corrosion resistant in chlorides |
| 11/16/1976 | US3991988 Apparatus for mixing different kinds of metallic material |
| 11/09/1976 | US3990860 Aluminum, yttrium, and chromium oxides, molybdenum-chromium alloys or stainless steel |
| 10/19/1976 | US3986867 Iron-chromium series amorphous alloys |
| 10/05/1976 | US3983615 Sliding seal member for an internal combustion engine |
| 09/28/1976 | US3982907 Carbon-chromium-molybdenum-cobalt-tungsten-iron alloy, valve seat |
| 09/14/1976 | US3980444 Sintered liquid phase stainless steel |
| 08/31/1976 | US3977838 Anti-wear ferrous sintered alloy |
| 08/31/1976 | US3977837 Titanium carbide tool steel having improved properties |
| 08/17/1976 | US3975576 Rotatable furnace pot including stoking means |
| 08/17/1976 | US3975193 Powder metallurgy process for producing stainless steel stock |
| 08/17/1976 | US3975191 Method of producing cast iron |
| 07/27/1976 | US3971632 Sintered abrasion resistant iron alloy having a homogeneous carbide network |
| 07/20/1976 | US3970448 Carbon-silicon-chromium-nickel-molybdenum |
| 07/06/1976 | US3967935 Chromium-molybdenum-copper-niobium-aluminum-titanium-boron-iron |
| 06/29/1976 | US3966454 Method for producing iron or iron alloy powders having a low oxygen content |
| 06/29/1976 | US3966423 Grain refinement of titanium carbide tool steel |
| 06/15/1976 | US3963449 Sintered metallic composite material |
| 06/01/1976 | US3960616 Rare earth metal treated cold rolled, non-oriented silicon steel and method of making it |
| 04/20/1976 | US3951697 Superplastic ultra high carbon steel |
| 04/13/1976 | US3950165 Method of liquid-phase sintering ferrous material with iron-titanium alloys |
| 03/09/1976 | US3942978 Metallurgical method |
| 03/09/1976 | US3942954 Sintering steel-bonded carbide hard alloy |
| 02/24/1976 | US3940269 Sintered austenitic-ferritic chromium-nickel steel alloy |
| 02/10/1976 | US3937630 Method for producing iron-base sintered alloys with high density |
| 02/03/1976 | US3936299 Method for producing tool steel articles |
| 01/06/1976 | US3930902 Nitrified sintered alloy |