| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Civil engineering | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Armour | |
| #2 | Dredging | |
| #3 | Earth drilling | |
| #4 | Dairy products production | |
| #5 | Planting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Krohn Walter | 12 |
| #2 | Ruediger Herbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0862723A1 | Mine-clearing vehicle | |
| DE19626668A1 | Mine clearing and recultivation methods | |
| DE4441075C1 | Mine clearing vehicle | |
| EP0618423A1 | Landmine-clearing vehicle | |
| DE2553183B1 | Horticultural machine which simultaneously drills three planting holes - has drills on beam positioned by motorized crane |