| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Furniture and games | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cheng Lewis | 4 |
| #2 | Cheng Chung-Wai Paul | 3 |
| #3 | Li Zhaoyuan | 2 |
| #4 | Harman Thomas | 1 |
| #5 | Ng Yau-Chuen | 1 |
| #6 | Leung Alan | 1 |
| #7 | Cheng Chung Wai Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2010000065A1 | Pull up tree system | |
| US2009190359A1 | Led light string system | |
| US2009061120A1 | Convertible/inverted tree | |
| US2009188845A1 | Cleaning system container having a porthole | |
| US2009044327A1 | Collapsible container | |
| US2009039230A1 | Outdoor tree stand | |
| US2008298064A1 | Collapsible decorative light system | |
| WO2009027847A2 | System for rectifying and limiting current and reducing voltage | |
| US2007133205A1 | Dead wire housing assembly | |
| US2007121321A1 | Decorative light system |