| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | France | 5 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Basic materials chemistry | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Collett Emil | 5 |
| #2 | Eckardt Moritz | 2 |
| #3 | Emil Collett | 2 |
| #4 | Moritz Eckardt | 1 |
| #5 | Horitz Eckardt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB370373A | Process of manufacturing fertilizers | |
| GB362908A | Improvements in and relating to the production of nitric acid | |
| GB232431A | Improved process for the production of hydrogen | |
| GB191226097A | Improved Production of Phosphate and Nitrate of Ammonia. | |
| GB191029385A | Improvements in the Process of Burning Iron Pyrites. | |
| GB191021237A | Utilization of Sulphurous Acid. |