| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 1 | |
| #2 | Denmark | 1 | |
| #3 | Spain | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Greece | 1 | |
| #6 | Croatia | 1 | |
| #7 | Japan | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 | |
| #10 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #11 | Turkey | 1 | |
| #12 | United States | 1 | |
| #13 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Cleaning | |
| #2 | Ships | |
| #3 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmidt Ernst Leopold | 13 |
| Publication | Filing date | Title |
|---|---|---|
| HRP940918B1 | Apparatus for washing ship containers | |
| GR861729B | Tank washing system |