Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9969638 | Water treatment systems and associated methods | Prakash Narayan Govindan, Maximus G. St. John | 2018-05-15 |
| 9957180 | Ion sequestration for scale prevention | Prakash Narayan Govindan, Windsor Sung, Maximus G. St. John, John H. Lienhard, Mohammed Mirhi +1 more | 2018-05-01 |
| 9790102 | Multi-stage bubble column humidifier | Prakash Narayan Govindan, Mostafa H. Elsharqawy, Maximus G. St. John, John H. Lienhard | 2017-10-17 |
| 9700811 | Systems including a condensing apparatus such as a bubble column condenser | Prakash Narayan Govindan, Maximus G. St. John | 2017-07-11 |
| 9617179 | Ion sequestration for scale prevention in high-recovery desalination systems | Prakash Narayan Govindan, Windsor Sung, Maximus G. St. John, John H. Lienhard, Mohammed Mirhi +1 more | 2017-04-11 |
| 9617169 | Transiently-operated desalination systems with heat recovery and associated methods | Prakash Narayan Govindan, Maximus G. St. John, Mark Zaloudek, Karim M. Chehayeb, Samar Shah | 2017-04-11 |
| 9579590 | Feedback control optimization of counter-flow simultaneous heat and mass exchange | Prakash Narayan Govindan, Maximus G. St. John, Karim M. Chehayeb | 2017-02-28 |
| 9556041 | Selective scaling in desalination water treatment systems and associated methods | Prakash Narayan Govindan, Maximus G. St. John, Jonn-Ross Andrews | 2017-01-31 |
| 9468864 | Systems including a condensing apparatus such as a bubble column condenser | Prakash Narayan Govindan, Maximus G. St. John | 2016-10-18 |
| 9364771 | Systems including a condensing apparatus such as a bubble column condenser | Prakash Narayan Govindan, Maximus G. St. John | 2016-06-14 |
| 9266748 | Transiently-operated desalination systems with heat recovery and associated methods | Prakash Narayan Govindan, Maximus G. St. John, Mark Zaloudek, Karim M. Chehayeb, Samar Shah | 2016-02-23 |
| 9221694 | Selective scaling in desalination water treatment systems and associated methods | Prakash Narayan Govindan, Maximus G. St. John, Jonn-Ross Andrews | 2015-12-29 |
| 9120033 | Multi-stage bubble column humidifier | Prakash Narayan Govindan, Mostafa H. Elsharqawy, Maximus G. St. John, John H. Lienhard | 2015-09-01 |
| 9079117 | Systems including a condensing apparatus such as a bubble column condenser | Prakash Narayan Govindan, Maximus G. St. John | 2015-07-14 |
| 6958872 | Method and apparatus for measuring an output signal of a floating transducer | Yi Cheng | 2005-10-25 |
| 6633441 | Method and apparatus for measuring an output signal of a floating transducer | Yi Cheng | 2003-10-14 |
| 6366168 | Efficient ground noise and common-mode suppression network | Zhiliang Zheng | 2002-04-02 |
| 6331803 | Constant bandwidth, variable gain amplifier, and method | Zhiliang Zheng | 2001-12-18 |