| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | Belgium | 1 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Civil engineering | |
| #3 | Thermal processes | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gas, coke and tar production | |
| #2 | Doors and windows | |
| #3 | Burners | |
| #4 | Compressed gas holders | |
| #5 | Heat-exchanger with contact | |
| #6 | Hydraulic engineering | |
| #7 | Purifying gas composition | |
| #8 | Swimming pools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kloenne August | 8 |
| #2 | August Kloenne | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB880052A | Removal of hydrogen sulphide from coal gas | |
| GB159849A | Improvements in or relating to regenerative coke ovens | |
| GB191000826A | Improvements in Gas-fired Retort, Oven and like Furnaces. |