Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697650 | Automatic balance valve control | Philip J. Smith, Wai-Leung Ha, Dean Richard Jepson, Chung Ming Cheng, Kwok Wa Kenny Kam +2 more | 2020-06-30 |
| 10578318 | Single thermostat with multiple thermostatic radiator valve controllers | Wai-Leung Ha, Philip J. Smith | 2020-03-03 |