Inventor · disambiguated record
Leo E. Hakka
Also filed as: HAKKA LEO E · HAKKA LEO ERNEST
13 granted patents·2 pending applications·522 citations·filing 1976–2010
94Inventor score
Files withCANSOLV TECHNOLOGIES INC6UNION CARBIDE CHEM PLASTIC4UNION CARBIDE CANADA LTD3HAKKA LEO E1JUST PAUL-EMMANUEL1
Top patents by PatentIndex Score
15 records- 0195US7056482B2Method for recovery of CO2 from gas streamsCANSOLV TECHNOLOGIES INC·Filed 2003·Granted Jun 6, 2006·167 cites·44 claims
- 0294US5019361ARemoval and recovery of sulphur dioxide from gas streamsUNION CARBIDE CANADA LTD·Filed 1989·Granted May 28, 1991·104 cites·30 claims
- 0384US6531103B1Process for removing sulfur compounds from gas and liquid hydrocarbon streamsUNION CARBIDE CHEM PLASTIC·Filed 2000·Granted Mar 11, 2003·35 cites·17 claims
- 0481US7384616B2Waste gas treatment process including removal of mercuryCANSOLV TECHNOLOGIES INC·Filed 2005·Granted Jun 10, 2008·8 cites·66 claims
- 0579US7214358B2Low energy regenerable SO2 scrubbing processCANSOLV TECHNOLOGIES INC·Filed 2003·Granted May 8, 2007·33 cites·28 claims
- 0679US5292407AProcess for converting heat stable amine salts to heat regenerable amine saltsUNION CARBIDE CHEM PLASTIC·Filed 1992·Granted Mar 8, 1994·60 cites·18 claims
- 0775US7416582B2Method and apparatus for NOx and Hg removalCANSOLV TECHNOLOGIES INC·Filed 2005·Granted Aug 26, 2008·7 cites·36 claims
- 0875US4059534AHydrocarbon/silicon oil lubricating compositions for low temperature useUNION CARBIDE CANADA LTD·Filed 1976·Granted Nov 22, 1977·32 cites·29 claims
- 0968US5262139ARemoval of sulfur dioxide from gas streamsUNION CARBIDE CHEM PLASTIC·Filed 1992·Granted Nov 16, 1993·22 cites·20 claims
- 1062US5202103ARemoval of sulfur dioxide from gas streamsUNION CARBIDE CHEM PLASTIC·Filed 1991·Granted Apr 13, 1993·15 cites·20 claims
- 1162US5017350AGas scrubbing processUNION CARBIDE CANADA LTD·Filed 1989·Granted May 21, 1991·24 cites·19 claims
- 1255US6872371B2Method and apparatus for NOx and SO2 removalCANSOLV TECHNOLOGIES INC·Filed 2002·Granted Mar 29, 2005·6 cites·23 claims
- 1343US6342169B1Safe storage and transportation of sulfur dioxideCANSOLV TECHNOLOGIES INC·Filed 1998·Granted Jan 29, 2002·9 cites·30 claims
- 1441US2008044333A1Method and apparatus for NOx and Hg removalHAKKA LEO E·Filed 2004·Application pending·0 cites
- 1540US2012282160A1Carbon dioxide and hydrogen sulfide absorbents and process for their useJUST PAUL-EMMANUEL·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →