| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Denmark | 3 | |
| #3 | Spain | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Metal wire processing | |
| #3 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duch Gabriel Victor Alphonse | 4 |
| #2 | Marie-Adrienne Duch | 4 |
| #3 | Gabriel-Victor-Alphonse Duch | 4 |
| #4 | Duch Marie-Adrienne | 2 |
| #5 | Duch Marie Adrienne | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES186920A1 | A device for the autonomous stop welding or with metal of contribution of electrical conductors | |
| ES186919A1 | A procedure for welding to automatic stop or with metal of contribution of threads, tubes, plates, cables and other metallic elements |