Inventor · disambiguated record
Frank M. Stephens, Jr.
Also filed as: HAGER JOHN P · STEPHENS FRANK M JR · STEPHENS JR FRANK M
17 granted patents·498 citations·filing 1975–2000
95Inventor score
Files withIRON CARBIDE HOLDINGS LTD10HAZEN RESEARCH3STEPHENS JR FRANK M2CYPRUS METALLURG PROCESS1ENRECON INC1
Top patents by PatentIndex Score
17 records- 0195US4053301AProcess for the direct production of steelHAZEN RESEARCH·Filed 1975·Granted Oct 11, 1977·58 cites·53 claims
- 0294US4372755AProduction of a fuel gas with a stabilized metal carbide catalystENRECON INC·Filed 1980·Granted Feb 8, 1983·126 cites·27 claims
- 0389US4396423AProcess for recovering iron and zinc from steel making dustsSTEPHENS JR FRANK M·Filed 1981·Granted Aug 2, 1983·41 cites·20 claims
- 0487US5137566AProcess for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactorIRON CARBIDE HOLDINGS LTD·Filed 1990·Granted Aug 11, 1992·48 cites·25 claims
- 0585US4039324AFluidized hydrogen reduction process for the recovery of copperCYPRUS METALLURG PROCESS·Filed 1975·Granted Aug 2, 1977·25 cites·17 claims
- 0677US5118479AProcess for using fluidized bed reactorIRON CARBIDE HOLDINGS LTD·Filed 1990·Granted Jun 2, 1992·33 cites·10 claims
- 0775US5073194AProcess for controlling the product quality in the conversion of reactor feed into iron carbideIRON CARBIDE HOLDINGS LTD·Filed 1990·Granted Dec 17, 1991·36 cites·21 claims
- 0868US6428763B1Process for the production of iron carbide from iron oxide using external sources of carbon monoxideIRON CARBIDE HOLDINGS LTD·Filed 2000·Granted Aug 6, 2002·9 cites·49 claims
- 0968US5869018ATwo step process for the production of iron carbide from iron oxideIRON CARBIDE HOLDINGS LTD·Filed 1994·Granted Feb 9, 1999·18 cites·39 claims
- 1068US4398945AProcess for producing a ferronickel alloy from nickel bearing lateritesSTEPHENS JR FRANK M·Filed 1981·Granted Aug 16, 1983·15 cites·6 claims
- 1168US4257781AProcess for enhancing the fuel value of low BTU gasHAZEN RESEARCH·Filed 1979·Granted Mar 24, 1981·12 cites·34 claims
- 1268US4134907AProcess for enhancing the fuel value of low BTU gasHAZEN RESEARCH·Filed 1977·Granted Jan 16, 1979·21 cites·7 claims
- 1362US5366897AMethod for controlling the conversion of iron-containing reactor feed into iron carbideIRON CARBIDE HOLDINGS LTD·Filed 1993·Granted Nov 22, 1994·26 cites·20 claims
- 1452US6328946B1Two step process for the conversion of iron oxide into iron carbide using gas recycleIRON CARBIDE HOLDINGS LTD·Filed 1999·Granted Dec 11, 2001·11 cites·51 claims
- 1548US5810906AMethod for preheating feed materials for the production of iron carbideIRON CARBIDE HOLDINGS LTD·Filed 1996·Granted Sep 22, 1998·8 cites·23 claims
- 1647US5733357AProcess for converting iron oxide to iron carbide employing internally generated carbon oxide as the carbiding agentIRON CARBIDE HOLDINGS LTD·Filed 1996·Granted Mar 31, 1998·9 cites·42 claims
- 1731US5804156AIron carbide processIRON CARBIDE HOLDINGS LTD·Filed 1996·Granted Sep 8, 1998·2 cites·3 claims
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