FL

Frederick Wells Leavitt

PT Praxair Technology: 25 patents #22 of 918Top 3%
UT Union Carbide Industrial Gases Technology: 2 patents #15 of 95Top 20%
UC Union Carbide: 1 patents #697 of 1,402Top 50%
Overall (All Time): #140,162 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
6506234 Pressure swing adsorption gas separation method, using adsorbents with high intrinsic diffusivity and low pressure ratios Mark William Ackley, James Smolarek 2003-01-14
6500235 Pressure swing adsorption process for high recovery of high purity gas Guoming Zhong, Mohamed Safdar Allie Baksh, Frank Notaro 2002-12-31
6500234 Rate-enhanced gas separation Mark William Ackley 2002-12-31
6475265 Pressure swing adsorption method for production of an oxygen-enriched gas Mohamed Safdar Allie Baksh, Atanas Serbezov, Frank Notaro 2002-11-05
6245127 Pressure swing adsorption process and apparatus Michael Scott Kane, Mark William Ackley, Frank Notaro 2001-06-12
6218327 Mixed cation adsorbent having substantially uniform cation distribution 2001-04-17
6027548 PSA apparatus and process using adsorbent mixtures Mark William Ackley, Alan Barnard Stewart, Gregory W. Henzler, Frank Notaro, Michael Scott Kane 2000-02-22
5989314 Pressure swing adsorption air prepurifier Herbert Raymond Schaub 1999-11-23
5958817 Adsorbent production with single pass ion exchange 1999-09-28
5871565 Vacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gas 1999-02-16
5833844 Thermally-driven ion-exchange process for lithium recovery 1998-11-10
5810909 Adsorption process and system using multilayer adsorbent beds Frank Notaro, Joseph Timothy Mullhaupt, Mark William Ackley 1998-09-22
5769928 PSA gas purifier and purification process 1998-06-23
5766311 Multi-thermal pulse PSA system Mark William Ackley, Frank Notaro, Jeffert John Nowobilski 1998-06-16
5759242 Radial bed vaccum/pressure swing adsorber vessel James Smolarek, Jeffert John Nowobilski, Victor Emmanuel Bergsten, John Harry Fassbaugh 1998-06-02
5711787 Oxygen recovery pressure swing adsorption process Allastair Neill, Antonio Figueiredo 1998-01-27
5681477 Thermally-driven ion-exchange process for lithium recovery 1997-10-28
5674311 Adsorption process and system using multilayer adsorbent beds Frank Notaro, Joseph Timothy Mullhaupt, Mark William Ackley 1997-10-07
5604169 Process for producing mixed-cation zeolites 1997-02-18
5453112 Pressure swing adsorption heat recovery Michael John Sinicropi, Timothy M. Aaron, Herbert Raymond Schaub, James Smolarek 1995-09-26
5451383 Lithium recovery 1995-09-19
5415683 Vacuum pressure swing adsorption process 1995-05-16
5407465 Tuning of vacuum pressure swing adsorption systems Herbert Raymond Schaub, James Smolarek, Lee J. Toussaint, Kimberly A. LaSala 1995-04-18
5169413 Low temperature pressure swing adsorption with refrigeration 1992-12-08
5163978 Dual product pressure swing adsorption process and system James Smolarek, Dale A. Lagree 1992-11-17