| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 2 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Spain | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | Singapore | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Thermal processes | |
| #3 | Chemical engineering | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Air-conditioning | |
| #3 | Combustion residues removal | |
| #4 | Climate change adaptation technologies | |
| #5 | Separation | |
| #6 | Siphons | |
| #7 | Sewers | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chua Boon Pen | 11 |
| Publication | Filing date | Title |
|---|---|---|
| SG10201400510QA | A method of priming a drainage apparatus for siphoning liquid, and a drainage apparatus | |
| GB9827858D0 | Air extraction apparatus |