| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 7 | |
| #2 | Sweden | 2 | |
| #3 | Germany | 1 | |
| #4 | Finland | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Platform constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Skalle Olaf Narten | 12 |
| #2 | Olsen Tore Dagfinn | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SE7906312L | Device for traffic barrier with a rope and with attached plates at the thickening in the rope | |
| FI792278A | Maerklina foer begraensning av trafiken | |
| US4040759A | Warning, marking and/or barrier arrangement |