Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161755 | Multi-stage bubble column humidification and dehumidification | Prakash Narayan Govindan, Steven Lam, Maximus G. St. John, John H. Lienhard | 2021-11-02 |
| 11007455 | Multi-stage bubble-column vapor mixture condensation | Prakash Narayan Govindan, Gregory P. Thiel, Ronan K. McGovern, John H. Lienhard | 2021-05-18 |
| 10053373 | Multi-stage bubble column humidification and dehumidification | Prakash Narayan Govindan, Steven Lam, Maximus G. St. John, John H. Lienhard | 2018-08-21 |
| 9790102 | Multi-stage bubble column humidifier | Prakash Narayan Govindan, Steven Lam, Maximus G. St. John, John H. Lienhard | 2017-10-17 |
| 9403104 | Multi-stage bubble-column vapor mixture condenser | Prakash Narayan Govindan, Gregory P. Thiel, Ronan K. McGovern, John H. Lienhard | 2016-08-02 |
| 9320984 | Humidification-dehumidification system with a bubble-column vapor mixture condenser and intermediate gas extraction | Prakash Narayan Govindan, Gregory P. Thiel, Ronan K. McGovern, John H. Lienhard | 2016-04-26 |
| 9120033 | Multi-stage bubble column humidifier | Prakash Narayan Govindan, Steven Lam, Maximus G. St. John, John H. Lienhard | 2015-09-01 |
| 9072984 | Bubble-column vapor mixture condenser | Prakash Narayan Govindan, Gregory P. Thiel, Ronan K. McGovern, John H. Lienhard | 2015-07-07 |
| 8778065 | Humidification-dehumidification system including a bubble-column vapor mixture condenser | Prakash Narayan Govindan, Gregory P. Thiel, Ronan K. McGovern, John H. Lienhard | 2014-07-15 |
| 8523985 | Bubble-column vapor mixture condenser | Prakash Narayan Govindan, Gregory P. Thiel, Ronan K. McGovern, John H. Lienhard | 2013-09-03 |
| 8465006 | Separation of a vaporizable component under reduced pressure | John H. Lienhard, Syed M. Zubair, Prakash Narayan Govindan | 2013-06-18 |
| 8292272 | Water separation under reduced pressure | John H. Lienhard, Syed M. Zubair, Prakash Narayan Govindan | 2012-10-23 |
| 8252092 | Water separation under varied pressure | Prakash Narayan Govindan, John H. Lienhard, Syed N. Zubair | 2012-08-28 |