| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | Denmark | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Germany | 1 | |
| #7 | Finland | 1 | |
| #8 | Sweden | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cremation furnaces | |
| #2 | Water treatment | |
| #3 | Drying solid materials by removing liquid | |
| #4 | Gearing | |
| #5 | Furnaces | |
| #6 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bojner Gustav | 2 |
| #2 | Gustav Bojner | 2 |
| #3 | Bojner Goesta | 1 |
| #4 | Bojner Gosta | 1 |
| #5 | Bojner Ulf | 1 |
| #6 | Yuoff Bojienaer | 1 |
| #7 | Gosta Bojner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN101737788A | Method for burning and drying sludge products in sludge combustor | |
| US3413937A | Method and an arrangement for treating sewage wastes and the like | |
| GB611134A | Improved drive for rotary drums, furnaces and the like | |
| CA838431A | Method and an arrangement for treating sewage wastes and the like |