| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | Czechia | 1 | |
| #3 | Germany | 1 | |
| #4 | Hungary | 1 | |
| #5 | Poland | 1 | |
| #6 | Slovakia | 1 | |
| #7 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wieland Heinz | 5 |
| #2 | Litze Harald | 3 |
| #3 | Rottmueller Vitus Dipl Ing | 1 |
| #4 | Rottmueller Vitus Dipl-Ing | 1 |
| #5 | Heinz Wieland | 1 |
| #6 | Kupka Horst R Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0942179A1 | Connection device for constructional elements made of wood | |
| EP0937832A2 | Connecting device | |
| EP0881400A1 | Fastening screw, in particular tubular screw | |
| EP0849474A1 | Drill screw | |
| DE3836483A1 | Rigid corner connection of a wooden beam with a support |