Inventor
LEAVITT FREDERICK WELLS
US18 patents
Patents
18 patentsUS6500234B1Dec 31, 2002
Rate-enhanced gas separation
PRAXAIR TECHNOLOGY INC86 citations98
US5769928AJun 23, 1998
PSA gas purifier and purification process
PRAXAIR TECHNOLOGY INC105 citations98
US6506234B1Jan 14, 2003
Pressure swing adsorption gas separation method, using adsorbents with high intrinsic diffusivity and low pressure ratios
PRAXAIR TECHNOLOGY INC58 citations96
US6245127B1Jun 12, 2001
Pressure swing adsorption process and apparatus
PRAXAIR TECHNOLOGY INC119 citations96
US5759242AJun 2, 1998
Radial bed vaccum/pressure swing adsorber vessel
PRAXAIR TECHNOLOGY INC62 citations95
US5674311AOct 7, 1997
Adsorption process and system using multilayer adsorbent beds
PRAXAIR TECHNOLOGY INC56 citations95
US6027548AFeb 22, 2000
PSA apparatus and process using adsorbent mixtures
PRAXAIR TECHNOLOGY INC76 citations94
US6475265B1Nov 5, 2002
Pressure swing adsorption method for production of an oxygen-enriched gas
PRAXAIR TECHNOLOGY INC74 citations93
US6500235B2Dec 31, 2002
Pressure swing adsorption process for high recovery of high purity gas
PRAXAIR TECHNOLOGY INC30 citations92
US5871565AFeb 16, 1999
Vacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gas
PRAXAIR TECHNOLOGY INC29 citations92
US5833844ANov 10, 1998
Thermally-driven ion-exchange process for lithium recovery
PRAXAIR TECHNOLOGY INC33 citations92
US5766311AJun 16, 1998
Multi-thermal pulse PSA system
PRAXAIR TECHNOLOGY INC42 citations92
US5681477AOct 28, 1997
Thermally-driven ion-exchange process for lithium recovery
PRAXAIR TECHNOLOGY INC21 citations92
US5711787AJan 27, 1998
Oxygen recovery pressure swing adsorption process
PRAXAIR TECHNOLOGY INC62 citations89
US5958817ASep 28, 1999
Adsorbent production with single pass ion exchange
PRAXAIR TECHNOLOGY INC6 citations74
US5989314ANov 23, 1999
Pressure swing adsorption air prepurifier
PRAXAIR TECHNOLOGY INC15 citations73
US5810909ASep 22, 1998
Adsorption process and system using multilayer adsorbent beds
PRAXAIR TECHNOLOGY INC15 citations73
US6218327B1Apr 17, 2001
Mixed cation adsorbent having substantially uniform cation distribution
PRAXAIR TECHNOLOGY INC3 citations63