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QUESTAIR TECHNOLOGIES INC

Overview
  • Total Patents
    154
About

QUESTAIR TECHNOLOGIES INC has a total of 154 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Canada, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, environmental technology and electrical machinery and energy are XEBEC ADSORPTION INC, AKTIVKOHLE UNION VERWALTUNGS G and TAIYO KAKEN CO.

Patent filings in countries

World map showing QUESTAIR TECHNOLOGIES INCs patent filings in countries

Patent filings per year

Chart showing QUESTAIR TECHNOLOGIES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keefer Bowie G 87
#2 Roy Surajit 34
#3 Babicki Matthew L 32
#4 Doman David G 26
#5 Sawada James A 24
#6 Connor Denis J 21
#7 Keefer Bowie Gordon 18
#8 Pelman Aaron M 18
#9 Mclean Christopher 18
#10 Gibbs Andrea C 17

Latest patents

Publication Filing date Title
WO2008051606A2 Compact pressure swing reformer
WO2007120581A1 Adsorptive intercooler
WO2006133576A1 Adsorptive bulk separation for upgrading gas streams
WO2006072167A1 Method for making parallel passage contactors
US2006090646A1 Adsorbent material for selective adsorption of carbon monoxide and unsaturated hydrocarbons
WO2006017940A1 Improved parallel passage contactor structure
EP1690313A1 High efficiency load-following solid oxide fuel cell systems
US2005129952A1 High density adsorbent structures
US2005183572A1 Life support oxygen concentrator
US2005284291A1 Adsorptive separation of gas streams
US2004197612A1 Hydrogen recycle for high temperature fuel cells
CA2516300A1 Hydrogen recycle for high temperature fuel cells
US2004197596A1 Spacerless parallel passage contractor
US2004131912A1 Enhanced solid oxide fuel cell systems
US2005145111A1 Modular pressure swing adsorption apparatus
EP1483035A1 Gas separation by combined pressure swing and displacement purge
WO03077339A2 Hydrogen recycle for solid oxide fuel cell
WO03063276A2 High temperature fuel cell power plant
US2003143448A1 High temperature fuel cell power plant
USRE38493E Flow regulated pressure swing adsorption system