| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Cables and insulators | |
| #2 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maltzahn Max | 7 |
| #2 | Lieberknecht Wilhelm | 2 |
| #3 | Traeger Heinrich | 1 |
| #4 | Kohl Willy | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB446645A | Improvements relating to electric conductors | |
| GB400781A | Improvements in and relating to electrical conductors |