| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Weapons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gredt Paul | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB240165A | Improvements in and relating to a process for smelting oolitic ores and slimes | |
| GB206509A | Improved process for concentrating oolitic iron ores | |
| GB222815A | Improved process for concentrating oolitic and other iron ores |