| 9308492 |
Method and system for using an ozone generating device for air purification |
Stephen O. Hay, Susan D. Brandes, Meredith B. Colket, III |
2016-04-12 |
| 9073009 |
Air purification system |
Thomas Henry Vanderspurt, James A. Davies, Stephen O. Hay, Susanne M. Opalka, Di Wei |
2015-07-07 |
| 8795588 |
Systems and methods for removal of contaminants from fluid streams |
Zissis A. Dardas, Norberto O. Lemcoff, Susan D. Brandes, Stephen O. Hay, Foster P. Lamm +5 more |
2014-08-05 |
| 8785874 |
Ionization window |
Sameh Dardona, Marcin Piech, Joseph V. Mantese |
2014-07-22 |
| 8617478 |
Photocatalytic device with mixed photocatalyst/silica structure |
Treese Hugener-Campbell, David F. Ollis, Thomas Henry Vanderspurt, Wayde R. Schmidt, Stephen O. Hay +1 more |
2013-12-31 |
| 8309484 |
Preparation and manufacture of an overlayer for deactivation resistant photocatalysts |
Treese Hugener-Campbell, Thomas Henry Vanderspurt, David F. Ollis, Stephen O. Hay, Wayde R. Schmidt +1 more |
2012-11-13 |
| 8263012 |
Photocatalyst protection |
Stephen O. Hay, Susan D. Brandes, Norberto O. Lemcoff, Wayde R. Schmidt |
2012-09-11 |
| 7951327 |
Photocatalytic air purifier for a fan coil unit |
Bradley Reisfeld, Robert Chiang, Olivier Josserand, Kevin B. Dunshee, Thierry Jomard +5 more |
2011-05-31 |
| 7795173 |
Long-lived high volumetric activity photocatalysts |
Thomas Henry Vanderspurt, Treese Hugener-Campbell, Stephen O. Hay |
2010-09-14 |
| 7758821 |
Modular photocatalytic air purifier |
Bradley Reisfeld, Robert Chiang, Olivier Josserand, Kevin B. Dunshee, Thierry Jomard +5 more |
2010-07-20 |
| 7740810 |
Photocatalyst protection |
Stephen O. Hay, Susan D. Brandes, Norberto O. Lemcoff, Wayde R. Schmidt |
2010-06-22 |
| 7399331 |
Gas phase contaminant removal with low pressure drop |
Gregory M. Dobbs, Darren Sheehan, James D. Freihaut, Stephen O. Hay, Norberto O. Lemcoff +3 more |
2008-07-15 |
| 7291315 |
System to enhance the photocatalytic oxidation rate of contaminants through selective desorption of water utilizing microwaves |
Stephen O. Hay |
2007-11-06 |
| 7279144 |
Reflective lamp to maximize light delivery to a photoactive catalyst |
Jeffrey T. Benoit, Stephen O. Hay |
2007-10-09 |
| 7255831 |
Tungsten oxide/titanium dioxide photocatalyst for improving indoor air quality |
Di Wei, Stephen O. Hay, Thomas Henry Vanderspurt, Wayde R. Schmidt, Joseph J. Sangiovanni |
2007-08-14 |
| 7112306 |
Electrodeless ultraviolet discharge fluid remediation |
Stephen O. Hay, Joseph J. Sangiovanni, Jared Barney Hertzberg |
2006-09-26 |
| 6358374 |
Integrated photocatalytic and adsorbent technologies for the removal of gaseous contaminants |
Stephen O. Hay, James D. Freihaut, Joseph J. Sangiovanni, Robert J. Hall |
2002-03-19 |
| 5938823 |
Integrated electrostatic collection and microwave sterilization for bioaerosol air purification |
David A. Condit, Willard H. Sutton, Richard Robert Grzybowski, Christopher M. Pater, Antonio Rinaldi +4 more |
1999-08-17 |
| 5871569 |
Filter material |
William F. Oehler, Philip J. Birbara |
1999-02-16 |
| 5865959 |
Back-side illuminated organic pollutant removal system |
Richard A. Meinzer, Pamela J. Curbelo |
1999-02-02 |
| 5820927 |
Filter material production process |
William F. Oehler, Philip J. Birbara |
1998-10-13 |
| 5030423 |
Integrated air conditioning system |
Gorken Melikian |
1991-07-09 |