Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933708 | Aerosol-based liquid particle detection measurement | Hee-Siew Han, Kenneth Farmer, Nathan T. Birkeland, Richard Remiarz, Timothy S. Russell | 2024-03-19 |
| 9764333 | Electrical ionizer for aerosol charge conditioning and measurement | Francisco J. Romay, Benjamin Y. H. Liu | 2017-09-19 |
| 8711338 | Apparatus for counting particles in a gas | Benjamin Y. H. Liu, Thuc M. Dinh, Aaron Michael Collins, Francisco J. Romay | 2014-04-29 |
| 8603247 | Apparatus for counting particles in a gas | Benjamin Y. H. Liu, Thuc M. Dinh, Aaron Michael Collins, Francisco J. Romay | 2013-12-10 |
| 8465791 | Method for counting particles in a gas | Benjamin Y. H. Liu, Thuc M. Dinh, Aaron Michael Collins, Francisco J. Romay | 2013-06-18 |
| 7882799 | Method and apparatus for generating charged particles for deposition on a surface | Benjamin Y. H. Liu | 2011-02-08 |
| 7830510 | Apparatus for high-accuracy fiber counting in air | Benjamin Y. H. Liu, Francisco J. Romay, Mark J. Battista, Pedro Lilienfeld | 2010-11-09 |