| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Canada | 3 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | South Africa | 2 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | New Zealand | 1 | |
| #9 | Philippines | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stewart Peter James | 11 |
| #2 | Stewart Peter J | 5 |
| #3 | Peter James Stewart | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO9115726A1 | Improved heat exchanger | |
| AU7668891A | Improved heat exchanger | |
| ZA8908895B | Dewatering means | |
| GB8707234D0 | Heat exchanger | |
| AU7064687A | Heat exchanger for regenerating wet particulate material | |
| ZA8702043B | Heat exchanger |