| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 26 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | African Intellectual Property Organization | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Materials for miscellaneous applications |
| # | Name | Total Patents |
|---|---|---|
| #1 | Farstad Otto | 32 |
| #2 | Otto Farstad | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU4299985A | Drilling fluid |