| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | France | 4 | |
| #3 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Electrically-conductive connections | |
| #2 | Electric switches | |
| #3 | Batteries | |
| #4 | Non-portable lighting devices | |
| #5 | Producer gas production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Garde Henry | 4 |
| #2 | Adams Alfred James | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB421859A | Improvements in electric switches particularly for lamp-holders | |
| GB362842A | Improvements in electrical switches | |
| GB295764A | Improvements in electric switches | |
| GB295765A | Improvements in electric lamp holders | |
| GB175756A | Improvements in electrical switches | |
| GB142175A | Electrical connections |