| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Civil engineering | |
| #3 | Thermal processes | |
| #4 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stille H | 4 |
| #2 | Soderstrom U | 3 |
| #3 | Sahlstrom P O | 3 |
| #4 | Sahlstroem Per Olof | 2 |
| #5 | Soederstroem U | 2 |
| #6 | Nordstroem A | 2 |
| #7 | Soederstroem Ulf | 2 |
| #8 | Nordstroem Allan Gottfrid Matt | 1 |
| #9 | Soderstrom K | 1 |
| #10 | Taflin P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO8002736A1 | Utilization of ground earth under building structures for storing and/or withdrawal of heat energy | |
| DE2042879A1 | Sewage treatment process |