| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Singapore | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | Australia | 5 | |
| #4 | Malaysia | 4 | |
| #5 | China | 3 | |
| #6 | United States | 2 | |
| #7 | Hong Kong | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | General building constructions | |
| #3 | Structural elements | |
| #4 | Punching metal | |
| #5 | Making metal sheets | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yong Toong Chuan | 18 |
| #2 | Chuan Yong Toong | 7 |
| #3 | Yong Tong Hwa | 6 |
| #4 | Hwa Yong Tong | 4 |
| #5 | Yong Tong Seng | 3 |
| #6 | Seng Yong Tong | 2 |
| #7 | Hwa Yong Toong Chuan Yong Tong | 2 |
| #8 | Tong Hwa Yong | 1 |
| #9 | Toong Chuan Yong | 1 |
| #10 | Yong Tong H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SG122819A1 | Improved method of assembling metal doors and metal doors assembled thereby | |
| SG113450A1 | Use of insulating material off-cuts for fire rated door and structures | |
| SG115509A1 | Fabrication of hollow door using modular panel rib components made from scrap wood | |
| SG122774A1 | Mounting of laminates to fire doors | |
| SG109503A1 | Method and apparatus for assembling a 2-piece skin door | |
| SG106652A1 | Metal sheet skin door edge profile and method for making the same |