| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Mexico | 1 | |
| #10 | Malaysia | 1 | |
| #11 | Russian Federation | 1 | |
| #12 | Singapore | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Sanitary equipment | |
| #2 | Shaping of plastics | |
| #3 | Certain plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yeung Kwok Lam | 12 |
| #2 | Yang Yaohui | 2 |
| #3 | Kwok Lam Yeung | 1 |
| #4 | Yeung Yiu Fai | 1 |
| #5 | Mr Kwok Lam Yeung | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN105105672A | Folding bathtub with support | |
| CN104545596A | Bathtub with bracket | |
| CN102630149A | Foldable bath tub | |
| WO2012051762A1 | Foldable bathtub |