| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Japan | 2 | |
| #3 | Belgium | 1 | |
| #4 | German Democratic Republic | 1 | |
| #5 | Finland | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Norway | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Civil engineering | |
| #5 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fries Ortwin | 9 |
| #2 | Luehring Claus | 9 |
| #3 | Vissers Evert | 1 |
| #4 | Pfennigstorf Juergen | 1 |
| #5 | Janssen Adolf | 1 |
| #6 | Fries D | 1 |
| #7 | Orubuin Furiisu | 1 |
| #8 | Pruin Berend | 1 |
| #9 | Luehring C | 1 |
| #10 | Kurausu Riyuurinku | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3732507A1 | Ship with movable afterbody bottom | |
| DE3728937A1 | Oil-gathering ship | |
| GB2041298A | Oil-collecting ship | |
| DE2744517A1 | MULTI-PURPOSE SHIP | |
| DE2637517A1 | Freighter with self-loading cranes - has cranes positioned along one side of deck and ballast tanks positioned for trimming during load transfer (NL 22.2.78) | |
| DE2634968B1 | Ship's hull with high lateral stability - has catamaran stern and full beam hull extension aft housing propeller shafts |