| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 57 | |
| #2 | Belgium | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Electrical machinery and energy | |
| #3 | Surface technology and coating | |
| #4 | Machine tools | |
| #5 | Basic materials chemistry | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Ammunition fuzes | |
| #3 | Electrolytic processes | |
| #4 | Batteries | |
| #5 | Blasting | |
| #6 | Hand-held nailing tools | |
| #7 | Explosives | |
| #8 | Circuits for supplying electric power | |
| #9 | Transport or storage devices | |
| #10 | Forging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Soleo Roger | 8 |
| #2 | Verron Marcel | 5 |
| #3 | Dufour Rene | 5 |
| #4 | Carru A | 4 |
| #5 | Magoarou Alphonse-Gabriel Le | 4 |
| #6 | Carru Andre | 2 |
| #7 | Grosjean Roger | 1 |
| #8 | Magoarou Alphonse Gabriel Le | 1 |
| #9 | Rene Dufour Marcel Verron Et A | 1 |
| #10 | Laprun Ch M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB859723A | Improved electrolytic method for the production of manganese dioxide |