| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Materials and metallurgy | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Alloys | |
| #3 | Rolling metal | |
| #4 | Foundations and excavations | |
| #5 | Nails | |
| #6 | General building constructions | |
| #7 | Skates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sundman B | 7 |
| #2 | Stromberg J | 4 |
| #3 | Johansson E | 3 |
| #4 | Letmark A | 2 |
| #5 | Sundman Bengt | 2 |
| #6 | Letmark Aoke | 1 |
| #7 | Taegstroem J | 1 |
| #8 | Camitz Bo | 1 |
| #9 | Johansson Eskil | 1 |
| #10 | Thalen J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SE7900691L | Device for joining rods | |
| SE7806926L | Framework and method for preparing it | |
| DK109076A | Pail for piloting | |
| DE2522070A1 | ROLLED GOODS GUIDE FOR A ROLLING STAND | |
| DE2440176A1 | Weldable low alloy steel - for concrete reinforcing rods |