Inventor · disambiguated record
Dale K. Huggins
Also filed as: HUGGINS DALE K
18 granted patents·304 citations·filing 1976–1987
95Inventor score
Top patents by PatentIndex Score
18 records- 0194US4443415ARecovery of V2 O5 and nickel values from petroleum cokeAMAX INC·Filed 1982·Granted Apr 17, 1984·68 cites·8 claims
- 0291US4444733AProcess for recovering molybdenum and copper from sulfide concentratesAMAX INC·Filed 1983·Granted Apr 24, 1984·36 cites·12 claims
- 0391US4097575ARoast-neutralization-leach technique for the treatment of laterite oreAMAX INC·Filed 1976·Granted Jun 27, 1978·39 cites·12 claims
- 0488US4762700AAmmonium octamolybdate-alphaAMAX INC·Filed 1987·Granted Aug 9, 1988·31 cites·6 claims
- 0583US4552749AProcess for the production of molybdenum dioxideAMAX INC·Filed 1985·Granted Nov 12, 1985·24 cites·16 claims
- 0676US4582512AChemical leaching of coal to remove ash, alkali and vanadiumAMAX INC·Filed 1984·Granted Apr 15, 1986·25 cites·5 claims
- 0774US4328190ASolvent extraction of tungsten from aqueous tungstate solutionsAMAX INC·Filed 1981·Granted May 4, 1982·16 cites·12 claims
- 0874US4003740ARecovery of copper from copper sulfide ores containing copper and ironALLIED CHEM·Filed 1976·Granted Jan 18, 1977·16 cites·15 claims
- 0966US4311679ATreatment of sodium tungstate leach liquor containing dissolved silica, phosphorus, and fluorine impuritiesAMAX INC·Filed 1981·Granted Jan 19, 1982·12 cites·8 claims
- 1052US4303622AChemical treatment of low-grade wolframite concentrate having high Mo/WO3 ratioAMAX INC·Filed 1981·Granted Dec 1, 1981·6 cites·16 claims
- 1146US4325919AAutoclave soda digestion of scheelite concentrates with feedback controlAMAX INC·Filed 1981·Granted Apr 20, 1982·6 cites·20 claims
- 1244US4544541ARemoval of hexavalent selenium from nickel, cobalt or copper sulfate solutionAMAX INC·Filed 1984·Granted Oct 1, 1985·6 cites·16 claims
- 1343US4351808AAutoclave soda digestion of scheelite concentratesAMAX INC·Filed 1981·Granted Sep 28, 1982·5 cites·18 claims
- 1440US4320095AAutoclave soda digestion of refractory scheelite concentratesAMAX INC·Filed 1981·Granted Mar 16, 1982·4 cites·22 claims
- 1539US4320096ACombined autoclave soda digestion of wolframite and scheeliteAMAX INC·Filed 1981·Granted Mar 16, 1982·3 cites·19 claims
- 1639US4313914AAutoclave tungstate upgrading of scheelite concentratesAMAX INC·Filed 1981·Granted Feb 2, 1982·3 cites·19 claims
- 1739US4303623ASeparation of trace molybdenum from tungstate solutionsAMAX INC·Filed 1981·Granted Dec 1, 1981·3 cites·27 claims
- 1831US4338287AProcess for conditioning tungsten concentratesAMAX INC·Filed 1981·Granted Jul 6, 1982·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →