| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 11 | |
| #2 | United Kingdom | 4 | |
| #3 | Italy | 3 | |
| #4 | Sweden | 3 | |
| #5 | Germany | 2 | |
| #6 | Austria | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Civil engineering | |
| #4 | Basic materials chemistry | |
| #5 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schreiber A | 16 |
| #2 | Schreiber B | 5 |
| #3 | Schreiber E | 3 |
| #4 | Danjes M | 2 |
| #5 | Seipp J | 1 |
| #6 | Rudolf S | 1 |
| #7 | Rudolph S | 1 |