| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Making metal chains | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Metal wire processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jonathan Wenz | 3 |
| #2 | Josef Alvera | 2 |
| #3 | Georg Brunhubner | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB298709A | Method and apparatus for preparing chains, rings, chain mail and similar articles for the soldering | |
| US1669846A | Soldering machine | |
| GB244045A | Improvements in apparatus for soldering chain links and the like | |
| US1619837A | Soldering art | |
| GB230473A | Chain making machine | |
| GB251699A | Chain making machine | |
| US1637758A | Chain-making machine |