| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | Mexico | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Nailing machines | |
| #3 | Wood working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Du Yongsheng | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CA2692524A1 | Method of processing an interlocking floor board | |
| MX2008013269A | A floor block, a floor system and a laying method therefor. |