| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United States | 5 | |
| #3 | United Kingdom | 4 | |
| #4 | Switzerland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Mountings for cannons and pistols | |
| #2 | Pistols and rifles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heinrich Ortgies | 7 |
| Publication | Filing date | Title |
|---|---|---|
| US1437543A | Cartridge magazine | |
| GB146422A | Improvements relating to the fixing of detachable barrels in automatic pistols | |
| GB146423A | Improvements in the firing mechanism of automatic fire-arms | |
| US1382313A | Self-loading pistol | |
| US1399224A | Self-loading pistol | |
| US1403705A | Self-loading pistol | |
| US1386197A | Self-loading pistol |