| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | France | 3 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coulson William Thomas | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB214002A | An improved motor head light | |
| GB213974A | An improvement in electric hand lamps | |
| GB174782A | Improvements in vehicular and other lamps | |
| GB173634A | Improvement connected with lamps | |
| GB171823A | Improvements connected with charging boards for electrical batteries | |
| GB152707A | An improved electrical signalling lamp | |
| GB153687A | Improvements connected with electrical batteries |