| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 21 | |
| #2 | France | 6 | |
| #3 | United Kingdom | 5 | |
| #4 | Switzerland | 4 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Textiles and paper | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Special electric heating or lighting | |
| #3 | Typewriters | |
| #4 | Ignition and extinguishing | |
| #5 | Installation of electric cables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Scherbius Ritter | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB354020A | Improvements in and relating to electrothermally operated electric vacuum switches | |
| GB347746A | Improvements in or relating to vacuum or gas-filled electric switches | |
| GB318611A | An improved quick-break thermally-actuated switch | |
| GB233407A | Electric type wheel actions for typewriting machine | |
| GB222535A | Improvements in quick action thermally operated electric switches |