| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings | |
| #2 | Scaffolding | |
| #3 | Ladders | |
| #4 | Nails | |
| #5 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Elgenberg B | 6 |
| #2 | Lundberg B | 3 |
| #3 | Wikstrand P | 2 |
| #4 | Elgenberg Bertil Kuollut-Avlid | 2 |
| #5 | Hedlund R | 2 |
| #6 | Elgenberg Bertil | 2 |
| #7 | Lundberg Bengt | 1 |
| #8 | Oehrn Jonny | 1 |
| #9 | Hedlund Rolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI913981A0 | Haollare foer takraecke | |
| SE9102339D0 | Drill template for making holes in a roof provided with battens | |
| FI913218A0 | Takfaeste foer livlina. | |
| FI910759A0 | Haollare foer takraecke. | |
| FI903102A0 | Back to takgenomgaong. | |
| SE8902890L | Arrangement for mounting a life-line unit on a roof gangway | |
| SE8505864D0 | Device to prevent two assembled ladder parts collapsing |