| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Austria | 4 | |
| #3 | Switzerland | 1 | |
| #4 | France | 1 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schwarzkopf Karl | 9 |
| #2 | Karl Schwarzkopf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2930804A1 | Excavator tooth tip locking mechanism - has one U=shaped side piece with arms enclosing those of other side piece | |
| IT1089169B | Excavator tooth retaining mechanism - has elastic securing pin at interval from cross bolt and deflectable into gap | |
| DE2752386A1 | Excavator tooth retaining mechanism - has elastic securing pin at interval from cross bolt and deflectable into gap |