Assignee
QUESTAIR TECHNOLOGIES INC
CA·27 granted patents·7 pending applications·3,127 citations·filing 2000–2005
Top patents by PatentIndex Score
34 records- 0199US7097925B2High temperature fuel cell power plantQUESTAIR TECHNOLOGIES INC·Filed 2003·Granted Aug 29, 2006·189 cites·30 claims
- 0298US6921597B2Electrical current generation systemQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Jul 26, 2005·118 cites·16 claims
- 0398US6514318B2Multistage system for separating gas by adsorptionQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Feb 4, 2003·146 cites·22 claims
- 0498US6451095B1Modular pressure swing adsorption apparatusQUESTAIR TECHNOLOGIES INC·Filed 2000·Granted Sep 17, 2002·174 cites·17 claims
- 0598US6406523B1Rotary pressure swing adsorption apparatusQUESTAIR TECHNOLOGIES INC·Filed 2000·Granted Jun 18, 2002·276 cites·92 claims
- 0697US7285350B2Enhanced solid oxide fuel cell systemsQUESTAIR TECHNOLOGIES INC·Filed 2003·Granted Oct 23, 2007·155 cites·8 claims
- 0797US7094275B2Modular pressure swing adsorption apparatusQUESTAIR TECHNOLOGIES INC·Filed 2003·Granted Aug 22, 2006·137 cites·33 claims
- 0897US6866950B2Methods and apparatuses for gas separation by pressure swing adsorption with partial gas product feed to fuel cell power sourceQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Mar 15, 2005·159 cites·71 claims
- 0997US6514319B2Life support oxygen concentratorQUESTAIR TECHNOLOGIES INC·Filed 2000·Granted Feb 4, 2003·167 cites·41 claims
- 1096US7160367B2PSA with adsorbents sensitive to contaminantsQUESTAIR TECHNOLOGIES INC·Filed 2004·Granted Jan 9, 2007·98 cites·41 claims
- 1196US7087331B2Energy efficient gas separation for fuel cellsQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Aug 8, 2006·91 cites·92 claims
- 1296US7041272B2Systems and processes for providing hydrogen to fuel cellsQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted May 9, 2006·97 cites·78 claims
- 1396US6902602B2Gas separation by combined pressure swing and displacement purgeQUESTAIR TECHNOLOGIES INC·Filed 2003·Granted Jun 7, 2005·128 cites·31 claims
- 1496US6565635B2Layered manifold pressure swing adsorption device and methodQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted May 20, 2003·139 cites·57 claims
- 1595US6742507B2Feed composition modification for internal combustion enginesQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Jun 1, 2004·146 cites·56 claims
- 1695US6692626B2Adsorbent laminate structuresQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Feb 17, 2004·113 cites·12 claims
- 1795US6488747B1Pressure swing adsorption with axial or centrifugal compression machineryQUESTAIR TECHNOLOGIES INC·Filed 2000·Granted Dec 3, 2002·109 cites·44 claims
- 1894USRE40006EFlow regulated pressure swing adsorption systemQUESTAIR TECHNOLOGIES INC·Filed 2004·Granted Jan 22, 2008·79 cites·68 claims
- 1994US7250073B2Life support oxygen concentratorQUESTAIR TECHNOLOGIES INC·Filed 2004·Granted Jul 31, 2007·82 cites·8 claims
- 2094USRE38493EFlow regulated pressure swing adsorption systemQUESTAIR TECHNOLOGIES INC·Filed 2002·Granted Apr 13, 2004·83 cites·112 claims
- 2193US7387849B2Hydrogen recycle for solid oxide fuel cellQUESTAIR TECHNOLOGIES INC·Filed 2003·Granted Jun 17, 2008·54 cites·14 claims
- 2293US7037358B2PSA with adsorbents sensitive to contaminantsQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted May 2, 2006·88 cites·120 claims
- 2393US6533846B1Modular pressure swing adsorption apparatus with clearance-type valve sealsQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Mar 18, 2003·104 cites·68 claims
- 2492US7189280B2Adsorptive separation of gas streamsQUESTAIR TECHNOLOGIES INC·Filed 2004·Granted Mar 13, 2007·68 cites·17 claims
- 2592US6840985B2Surge absorber flow regulation for modular pressure swing adsorptionQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Jan 11, 2005·61 cites·9 claims
- 2686US7300905B2Methods for their manufacture of adsorbentQUESTAIR TECHNOLOGIES INC·Filed 2002·Granted Nov 27, 2007·38 cites·3 claims
- 2778US6905535B2Gas separation with split stream centrifugal turbomachineryQUESTAIR TECHNOLOGIES INC·Filed 2001·Granted Jun 14, 2005·28 cites·4 claims
- 2848US2003157390A1Electrical current generation systemQUESTAIR TECHNOLOGIES INC·Filed 2002·Application pending·0 cites
- 2946US2003196550A1Life support oxygen concentratorQUESTAIR TECHNOLOGIES INC·Filed 2003·Application pending·0 cites
- 3044US2005129952A1High density adsorbent structuresQUESTAIR TECHNOLOGIES INC·Filed 2004·Application pending·0 cites
- 3143US2004197612A1Hydrogen recycle for high temperature fuel cellsQUESTAIR TECHNOLOGIES INC·Filed 2004·Application pending·0 cites
- 3243US2004197596A1Spacerless parallel passage contractorQUESTAIR TECHNOLOGIES INC·Filed 2004·Application pending·0 cites
- 3343US2006090646A1Adsorbent material for selective adsorption of carbon monoxide and unsaturated hydrocarbonsQUESTAIR TECHNOLOGIES INC·Filed 2005·Application pending·0 cites
- 3442US2006048648A1Parallel passage contactor structureQUESTAIR TECHNOLOGIES INC·Filed 2005·Application pending·0 cites
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