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POWERSPAN CORP

Overview
  • Total Patents
    58
About

POWERSPAN CORP has a total of 58 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, chemical engineering and materials and metallurgy are REDEEM CCS PTY LTD, CANSOLV TECHNOLOGIES INC and CARBONORO B V.

Patent filings per year

Chart showing POWERSPAN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duncan Joanna 35
#2 Mclarnon Christopher 31
#3 Alix Francis 25
#4 Alix Francis R 13
#5 Mclarnon Christopher R 7
#6 Grandjean Brian 7
#7 Bosco Roberto 7
#8 Amos Wade 6
#9 Mahoney Richard 5
#10 Duncan Joanna L 5

Latest patents

Publication Filing date Title
CA2805462A1 Absorption media for scrubbing co2 from a gas stream and methods using the same
WO2011162869A1 Process and apparatus for capturing co2 from a gas stream with controlled water vapor content
WO2010014583A1 Using raman spectroscopy to control carbonate / bicarbonate concentrations
WO2009091437A1 Removal of carbon dioxide from a flue gas stream
WO2009036145A1 Regeneration of ammonia and carbon dioxide after scrubbing carbon dioxide with ammonium carbonate
EP2190781A2 Method and apparatus for producing ammonium carbonate from urea
CA2693466A1 Scrubbing of ammonia with urea ammonium nitrate solution
WO2008141195A1 Carbon dioxide scrubbing with ammonium carbonate and ammonia vapor control
CN101678268A Removal of carbon dioxide from flue gas streams using mixed ammonium/alkali solutions
US2004105802A1 NOx, Hg, and SO2 removal using ammonia
US7399453B2 Discharge reactor fuse link
US2003175190A1 NOx, Hg, and SO2 removal using ammonia
AU6310301A Process for scrubbing flue gas using acids
US6132692A Barrier discharge conversion of SO2 and NOx to acids