Assignee
DRAVO LIME CO
US·27 granted patents·551 citations·filing 1988–1998
Top patents by PatentIndex Score
27 records- 0187US5766339AProcess for producing cement from a flue gas desulfurization process waste productDRAVO LIME CO·Filed 1997·Granted Jun 16, 1998·73 cites·16 claims
- 0280US4976936AFlue gas desulfurization with oxidation of calcium sulfite in FGD dischargesDRAVO LIME CO·Filed 1989·Granted Dec 11, 1990·33 cites·12 claims
- 0376US5403568AHorizontal wet scrubbing apparatus and method for removing sulfur dioxide from a gaseous streamDRAVO LIME CO·Filed 1993·Granted Apr 4, 1995·47 cites·6 claims
- 0476US5039499AProcess for desulfurization of sulfur dioxide-containing gas streamsDRAVO LIME CO·Filed 1988·Granted Aug 13, 1991·40 cites·10 claims
- 0575US5785841AMethod of removing sulfur dioxide and nitrogen oxides from a gaseous streamDRAVO LIME CO·Filed 1996·Granted Jul 28, 1998·36 cites·16 claims
- 0674US5769940AProcess for producing cement and elemental sulfur from a flue gas desulfurization waste productDRAVO LIME CO·Filed 1997·Granted Jun 23, 1998·30 cites·11 claims
- 0770US4976937ASulfur dioxide removal from flue gases with sulfite oxidation inhibitionDRAVO LIME CO·Filed 1990·Granted Dec 11, 1990·24 cites·12 claims
- 0869US5380505AProduction of low sulfur content lime from limestoneDRAVO LIME CO·Filed 1993·Granted Jan 10, 1995·19 cites·17 claims
- 0967US4996032AProcess for removing sulfur dioxide from flue gasesDRAVO LIME CO·Filed 1989·Granted Feb 26, 1991·28 cites·11 claims
- 1066US5312609AMethod of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formationDRAVO LIME CO·Filed 1992·Granted May 17, 1994·17 cites·12 claims
- 1166US5200160AProcess for removing sulfur dioxide and nitrogen oxides from flue gasesDRAVO LIME CO·Filed 1991·Granted Apr 6, 1993·31 cites·18 claims
- 1264US5705051AElectrochemical processDRAVO LIME CO·Filed 1996·Granted Jan 6, 1998·21 cites·6 claims
- 1362US5336481AMethod of slaking limeDRAVO LIME CO·Filed 1993·Granted Aug 9, 1994·18 cites·7 claims
- 1460US5270026ASulfur dioxide scrubbing process producing purified magnesium hydroxideDRAVO LIME CO·Filed 1992·Granted Dec 14, 1993·13 cites·9 claims
- 1558US5082639ASulfur dioxide removal from gases using a modified limeDRAVO LIME CO·Filed 1990·Granted Jan 21, 1992·13 cites·8 claims
- 1654US5614158AProcess for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxideDRAVO LIME CO·Filed 1995·Granted Mar 25, 1997·11 cites·3 claims
- 1753US5628811AMethod of ameliorating acid soil to enhance plant growthDRAVO LIME CO·Filed 1994·Granted May 13, 1997·15 cites·11 claims
- 1849US5645807AMagnesium-enhanced sulfur dioxide scrubbing with gypsum formationDRAVO LIME CO·Filed 1995·Granted Jul 8, 1997·19 cites·10 claims
- 1945US5846286AMethod for removing NOx from a gas stream while producing an alkaline earth nitrate fertilizer compositionDRAVO LIME CO·Filed 1997·Granted Dec 8, 1998·8 cites·10 claims
- 2037US5294408ACompact lime slakerDRAVO LIME CO·Filed 1993·Granted Mar 15, 1994·10 cites·11 claims
- 2135US5827488AProcess for removing SO2 and NOx from a gaseous streamDRAVO LIME CO·Filed 1996·Granted Oct 27, 1998·6 cites·8 claims
- 2235US5384111AMagnesium-enhanced lime scrubbing of sulfur dioxide with production of a high solids content sludgeDRAVO LIME CO·Filed 1994·Granted Jan 24, 1995·8 cites·14 claims
- 2334US6033577ACoordination of liquid-solid separators and fluid tanksDRAVO LIME CO·Filed 1998·Granted Mar 7, 2000·14 cites·5 claims
- 2432US5310498ASulfur dioxide removal from gases using a modified limeDRAVO LIME CO·Filed 1993·Granted May 10, 1994·4 cites·4 claims
- 2529US5695727AProcess for removing sulfur dioxide and nitrogen oxides from a hot gaseous stream with ferrous chelate regenerationDRAVO LIME CO·Filed 1996·Granted Dec 9, 1997·3 cites·18 claims
- 2628US5817283AMethod for removing sulfur dioxide and nitrogen oxides from combustion gasesDRAVO LIME CO·Filed 1996·Granted Oct 6, 1998·6 cites·23 claims
- 2727US5683666AMethod for the removal of sulfur dioxide and nitrogen oxides for a gaseous streamDRAVO LIME CO·Filed 1996·Granted Nov 4, 1997·4 cites·10 claims
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