| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 10 | |
| #2 | United Kingdom | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Supplying fuel to combustion device |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hassel-Jensen Johannes | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1240971A | Fire-box. | |
| GB101446A | Improvements in Means for Supplying Air to Furnaces for Consuming Smoke. |