| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Drying solid materials by removing liquid | |
| #2 | Gearing | |
| #3 | Furnaces | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bojner Gustav | 11 |
| #2 | Pehrson Adam Helmer | 2 |
| #3 | Bojner Goesta | 2 |
| #4 | Bojner Gosta | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA523576A | Rotary, tubular heat exchanger | |
| CA766164A | Device in rotatable drums for suspending chain systems for heat exchange | |
| CA297156A | Method of introducing gaseous fluids into the charge in rotary furnaces | |
| CA761659A | Apparatus for treatment of loose materials with gaseous mediums | |
| CA531317A | Rotary driers, kilns and the like |