| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United States | 2 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Making forged metal products | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Electric switches | |
| #4 | Forging | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wacker Hans | 7 |
| #2 | Renz Wilhelm | 5 |
| #3 | Hans Wacker | 2 |
| #4 | Tubach Kurt | 1 |
| #5 | Renz Willi | 1 |
| #6 | Hans-Jurgen Renz | 1 |
| #7 | Elsa Renz | 1 |
| #8 | Wolfingen Erwin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3579261A | Making of rivet head bimetallic electrical contacts | |
| US3279505A | Apparatus for welding bimetallic contacts |