| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Foods and drinks | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Separation | |
| #3 | Food preservation | |
| #4 | Kitchen equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferguson George E | 12 |
| Publication | Filing date | Title |
|---|---|---|
| WO9813302A1 | Modular multi-stage water filter apparatus | |
| US5193445A | Heat-activated smoke generating device | |
| US5116502A | Elongate housing with end cap members | |
| CA165392A | Method of rendering corrosive fluids non-corrosive |