| # | Country | Total Patents | |
|---|---|---|---|
| #1 | German Democratic Republic | 6 | |
| #2 | Germany | 5 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Toys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Goetz Georg | 11 |
| #2 | Hofmann Ludwig | 2 |
| #3 | Kautzleben Bernd | 2 |
| #4 | Brunn Heinz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DD204459A1 | Hydraulically actuated two-aluminum grippers for cranes and excavators | |
| DD206360A1 | Gripper and louffle drive for cranes and excavators | |
| DD156590A1 | Gripping shaft arrangement for two-aluminum grippers on boxes | |
| DD155158A1 | Hydraulically actuated two-aluminum grippers for cranes and excavators | |
| DD151338A1 | Cutting protection for schutzgutgreifer, especially zweischalengreifer | |
| DD129545A1 | Zinkeneliste for zweal alengreifer |