| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 11 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Civil engineering | |
| #3 | Transport | |
| #4 | Mechanical elements | |
| #5 | Chemical engineering | |
| #6 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dahlberg A | 10 |
| #2 | Dahlberg P | 2 |
| #3 | Dahlberg A I | 1 |
| #4 | Dahlberg L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SE8202692L | Method of using thermosetting plastic injection to seal a surface crack whereby a hole is drilled with a rotating core bit | |
| SE8003090L | Dilatation joining device |