| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 20 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Civil engineering | |
| #3 | Machine tools | |
| #4 | Electrical machinery and energy | |
| #5 | Chemical engineering | |
| #6 | Environmental technology | |
| #7 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maatsch Jurgen | 1 |
| #2 | Rohm Hubert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1018277A | Vertical roll stand | |
| CA784632A | Method of controlling or regulating the flow of converter waste gas |