| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 27 | |
| #2 | United Kingdom | 6 | |
| #3 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Batteries | |
| #2 | Portable lighting devices | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Lighting device details |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bernot Lucien | 2 |
| #2 | Heraud Andre | 2 |
| #3 | Steurer Marcel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB727309A | Flat electric dry cell elements to be associated in parallel and assembling of these elements into a battery | |
| GB710603A | Improvements in dry battery cells | |
| GB711100A | Flat-cell electric battery | |
| GB700958A | Improvements in and relating to electric torches | |
| DE875239C | Electric rod-shaped flashlight | |
| GB694538A | Improvements in electric batteries | |
| GB659042A | Improvements in electric batteries |