| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 19 | |
| #2 | Canada | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | United States | 3 | |
| #5 | Austria | 2 | |
| #6 | Australia | 2 | |
| #7 | Switzerland | 2 | |
| #8 | Germany | 2 | |
| #9 | EPO (European Patent Office) | 2 | |
| #10 | Spain | 2 | |
| #11 | France | 2 | |
| #12 | Netherlands | 2 | |
| #13 | Belgium | 1 | |
| #14 | Denmark | 1 | |
| #15 | Finland | 1 | |
| #16 | Ireland | 1 | |
| #17 | Italy | 1 | |
| #18 | Japan | 1 | |
| #19 | Republic of Korea | 1 | |
| #20 | Portugal | 1 | |
| #21 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Transport | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | General building constructions | |
| #3 | Ships | |
| #4 | Working stone | |
| #5 | Structural elements | |
| #6 | Drying solid materials by removing liquid |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nilsen Walter | 38 |
| #2 | Pettersen Jan Erik | 3 |
| #3 | Pettersen Jan E | 2 |
| #4 | Honerud John H | 1 |
| #5 | Jan Erik Pattersen | 1 |
| #6 | Walter Nilsen | 1 |
| #7 | Uorutaa Nirusen | 1 |
| #8 | Maudal Jan Erik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2263475A1 | Method and arrangement for cutting boards, especially plaster boards | |
| WO9413443A1 | Method and plant for the production of gypsum panels | |
| EP0591403A1 | Arrangement in an unloading system | |
| WO9012732A1 | Unloading system for bulk material |