| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Chemical engineering | |
| #3 | Organic fine chemistry | |
| #4 | Materials and metallurgy | |
| #5 | Engines, pumps and turbines | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Treatment of paper-making materials | |
| #3 | Calendars | |
| #4 | Paper-making machines | |
| #5 | Paper recycling | |
| #6 | Chemical or physical processes | |
| #7 | Gas-turbine plants | |
| #8 | Acyclic or carbocyclic compounds | |
| #9 | Cyclones | |
| #10 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wikdahl Lennart | 5 |
| #2 | Renatsuto Bikudaru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS5570316A | Loading removing method of screen plate and its device | |
| FI793509A | Saett att fraon en silplaot i en silanordning foer fibersuspensioner avlaegsna vidhaeftande silgods samt en anordning foer att utoeva saettet | |
| GB739483A | Method of carrying out exothermic chemical reactions in the gaseous phase |