Inventor · disambiguated record
Joanna Duncan
Also filed as: DUNCAN JOANNA · DUNCAN JOANNA L
5 granted patents·7 pending applications·120 citations·filing 2001–2011
84Inventor score
Top patents by PatentIndex Score
12 records- 0192US6605263B2Sulfur dioxide removal using ammoniaPOWERSPAN CORP·Filed 2002·Granted Aug 12, 2003·46 cites·3 claims
- 0284US6991771B2NOx, Hg, and SO2 removal using ammoniaPOWERSPAN CORP·Filed 2003·Granted Jan 31, 2006·32 cites·13 claims
- 0383US6936231B2NOx, Hg, and SO2 removal using ammoniaPOWERSPAN CORP·Filed 2001·Granted Aug 30, 2005·18 cites·2 claims
- 0479US7052662B2NOx, Hg, and SO2 removal using alkali hydroxidePOWERSPAN CORP·Filed 2002·Granted May 30, 2006·14 cites·7 claims
- 0569US7048899B2Removing NOx, SO2, and Hg from a gas stream using limestone regenerationPOWERSPAN CORP·Filed 2002·Granted May 23, 2006·10 cites·7 claims
- 0651US2011110841A1Method and apparatus for producing ammonium carbonate from ureaPOWERSPAN CORP·Filed 2008·Application pending·0 cites
- 0748US2011052453A1Removal of carbon dioxide from a flue gas streamMCLARNON CHRISTOPHER·Filed 2008·Application pending·0 cites
- 0847US2010319542A1Scrubbing of ammonia with urea ammonium nitrate solutionPOWERSPAN CORP·Filed 2008·Application pending·0 cites
- 0947US2010089110A1Carbon dioxide scrubbing with ammonium carbonate and ammonia vapor controlPOWERSPAN CORP·Filed 2008·Application pending·0 cites
- 1047US2010083828A1Removal of carbon dioxide from flue gas streams using mixed ammonium/alkali solutionsPOWERSPAN CORP·Filed 2008·Application pending·0 cites
- 1143US2005002842A1Nox hg and so2 removal using ammoniaFiled 2002·Application pending·0 cites
- 1241US2013269525A1Absorption Media for Scrubbing CO2 from a Gas Stream and Methods Using the SameALIX FRANCIS R·Filed 2011·Application pending·0 cites
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