| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | Spain | 1 | |
| #7 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Basic materials chemistry | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Explosives | |
| #3 | Wheelchairs and sledges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Darche Albert Augustin Alexand | 2 |
| #2 | Darche Albert A A | 2 |
| #3 | Augustin Alexandre Darche Albe | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES234524A1 | Improvements in projectiles (Machine-translation by Google Translate, not legally binding) | |
| GB835738A | Improvements in or relating to colloidal powders and method of producing same | |
| GB801375A | Ammunition cartridge | |
| CA565739A | Colloidal powder and method of producing same | |
| CA586793A | Accelerating propulsive charges |