Inventor · disambiguated record
Frank A. Stephens
Also filed as: STEPHENS FRANK A · STEPHENS FRANK M · STEPHENS FRANK M JR
8 granted patents·1 pending application·172 citations·filing 1978–2001
88Inventor score
Top patents by PatentIndex Score
9 records- 0187US5137566AProcess 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
- 0277US5118479AProcess for using fluidized bed reactorIRON CARBIDE HOLDINGS LTD·Filed 1990·Granted Jun 2, 1992·33 cites·10 claims
- 0375US5073194AProcess 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
- 0468US6428763B1Process 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
- 0562US5366897AMethod 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
- 0657US4200455AHydrometallurgical recovery of metal valuesUOP INC·Filed 1978·Granted Apr 29, 1980·9 cites·12 claims
- 0747US5733357AProcess 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
- 0835US2002009411A1Method for producing tungsten carbideFiled 2001·Application pending·0 cites
- 0931US5804156AIron carbide processIRON CARBIDE HOLDINGS LTD·Filed 1996·Granted Sep 8, 1998·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →