| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Singapore | 2 | |
| #5 | United States | 2 | |
| #6 | China | 1 | |
| #7 | Japan | 1 | |
| #8 | Malaysia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tang Xiong Wei | 10 |
| #2 | Tang Xiong W | 1 |
| #3 | Xiongwei Tang | 1 |
| #4 | Wei Tang Xiong | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0624962D0 | Padlock with a freely convertible deadlock mechanism | |
| SG144149A1 | Padlock with a quickly changeable shackle and padlock with a freely convertible deadlock mechanism | |
| CN101858173A | But the padlock of quickly replaceable hook and have the padlock of free locking switching function |