| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 2 | |
| #2 | Austria | 1 | |
| #3 | Australia | 1 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Japan | 1 | |
| #11 | Netherlands | 1 | |
| #12 | Sweden | 1 | |
| #13 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson K | 4 |
| #2 | Hipkin F | 4 |
| #3 | Hipkin Frank | 2 |
| #4 | Johnson Keith | 2 |
| #5 | Keisu Jiyonson | 1 |
| #6 | Furanku Hitsupukin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ATA408977A | Oil or gas-fired oven for melting a batch of metal | |
| AU2578677A | Improvements in or relating to fuel-fired furnaces | |
| GB1528104A | Fuelfired furnaces |