Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139118 | Air treatment apparatus and method | Yiu Wai Chan | 2018-11-27 |
| 9931641 | Air purification device and method | Yiu Wai Chan, Yiu Ming Chan | 2018-04-03 |
| 9895462 | Method and apparatus for high efficiency air purification | Yiu Wai Chan | 2018-02-20 |
| 9737841 | Air purification system | — | 2017-08-22 |
| 9562702 | Air treatment apparatus and method | Yiu Wai Chan | 2017-02-07 |
| 9375670 | Air purification system | Yiu Wai Chan | 2016-06-28 |
| 9121837 | Method and device for environmental monitoring | Yiu Wai Chan | 2015-09-01 |
| 8883083 | Air cleaner filter system capable of nano-confined catalytic oxidation | Kwok Yung Anthony Law, Yu Hang Christopher Chao, Wan Chung Lam | 2014-11-11 |
| 8778272 | Air purification system | Yiu Wai Chan | 2014-07-15 |
| 8303697 | Air purification apparatus | Yiu Wai Chan | 2012-11-06 |
| 8211208 | Air purification apparatus | Yiu Wai Chan | 2012-07-03 |
| 8086407 | Method and device for environmental monitoring | Yiu Wai Chan | 2011-12-27 |
| 8038778 | Air purification apparatus | Yiu Wai Chan | 2011-10-18 |
| 7824469 | Method and apparatus for fluid purification | Yiu Wai Chan | 2010-11-02 |