| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 7 | |
| #2 | Australia | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Finland | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Analysing materials | |
| #3 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tjugum Olav Geir | 13 |
| #2 | Tjugum Odd Magnus | 2 |
| #3 | Tjugum Odd | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2413597A | Addition of accelerators in gunite | |
| WO9518967A1 | A method and device for analyzing uncured concrete mixtures for underwater casting | |
| GB2031489A | Process of casting or repairing concrete under water |