| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Iceland | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Basic materials chemistry | |
| #3 | Textiles and paper | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Presses | |
| #2 | Refining | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Paper-making machines | |
| #5 | Paper recycling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Olaf Qviller | 1 |
| #2 | Kristian Holter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB306619A | Improvement in helical presses | |
| US1630430A | Sieve plate for screw presses | |
| GB232954A | Improvements in and relating to the recovery of oils from the fat bearing parts of marine animals | |
| GB246527A | Process for separating oil from solid vegetable substances | |
| GB232601A | Process and apparatus for extracting oil, gelatigenous water and solid material fromwhale blubber, whale flesh, fish products, and similar raw materials |