| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 21 | |
| #2 | Switzerland | 13 | |
| #3 | Austria | 11 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 2 | |
| #6 | United States | 2 | |
| #7 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Materials and metallurgy | |
| #5 | Mechanical elements | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Shaping of plastics | |
| #3 | Metal wire processing | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Alloys | |
| #6 | Punching metal | |
| #7 | Scaffolding | |
| #8 | Unspecified technologies | |
| #9 | Nails | |
| #10 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willy Korf | 3 |
| #2 | Rudolf Friedrich Dipl-Ing Bueh | 1 |
| #3 | Korf Willy | 1 |
| #4 | Korf Wilhelm Willy | 1 |
| #5 | Korf Willy W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3447277A | Plastic connecting element for reinforcing or strengthening rods | |
| US3482283A | Injection molding device | |
| GB1118196A | An injection mould for the production of a plastics connection for crossed wires or rods | |
| GB1023142A | A concrete reinforcement grid |