Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429242 | Thermostat with detachable dial control | Wai Yin Shum, Ching Bo Lam | 2025-09-30 |
| 12215879 | Thermostatic radiator valve (TRV) configurable display | Kam Wai Raymond Ho, Rui Feng Li, Siu Fung Liu, Fai Keung Seto, Wai Yin Shum +1 more | 2025-02-04 |