Assignee
POWERSPAN CORP
US·7 granted patents·5 pending applications·259 citations·filing 1999–2009
Top patents by PatentIndex Score
12 records- 0192US6605263B2Sulfur dioxide removal using ammoniaPOWERSPAN CORP·Filed 2002·Granted Aug 12, 2003·46 cites·3 claims
- 0291US6132692ABarrier discharge conversion of SO2 and NOx to acidsPOWERSPAN CORP·Filed 1999·Granted Oct 17, 2000·126 cites·20 claims
- 0384US6991771B2NOx, Hg, and SO2 removal using ammoniaPOWERSPAN CORP·Filed 2003·Granted Jan 31, 2006·32 cites·13 claims
- 0483US6936231B2NOx, Hg, and SO2 removal using ammoniaPOWERSPAN CORP·Filed 2001·Granted Aug 30, 2005·18 cites·2 claims
- 0579US7052662B2NOx, Hg, and SO2 removal using alkali hydroxidePOWERSPAN CORP·Filed 2002·Granted May 30, 2006·14 cites·7 claims
- 0676US7399453B2Discharge reactor fuse linkPOWERSPAN CORP·Filed 2002·Granted Jul 15, 2008·13 cites·6 claims
- 0769US7048899B2Removing NOx, SO2, and Hg from a gas stream using limestone regenerationPOWERSPAN CORP·Filed 2002·Granted May 23, 2006·10 cites·7 claims
- 0852US2011125326A1Using raman spectroscppy to control carbonate/bicarbonate concentrationsPOWERSPAN CORP·Filed 2009·Application pending·0 cites
- 0951US2011110841A1Method and apparatus for producing ammonium carbonate from ureaPOWERSPAN CORP·Filed 2008·Application pending·0 cites
- 1047US2010319542A1Scrubbing of ammonia with urea ammonium nitrate solutionPOWERSPAN CORP·Filed 2008·Application pending·0 cites
- 1147US2010089110A1Carbon dioxide scrubbing with ammonium carbonate and ammonia vapor controlPOWERSPAN CORP·Filed 2008·Application pending·0 cites
- 1247US2010083828A1Removal of carbon dioxide from flue gas streams using mixed ammonium/alkali solutionsPOWERSPAN CORP·Filed 2008·Application pending·0 cites
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