| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Thermal processes | |
| #3 | Electrical machinery and energy | |
| #4 | Basic materials chemistry | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Emile Haveaux | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB409988A | Improvements in devices for mechanical separation of dust in gases | |
| GB419798A | Improvements in devices for mechanical separation of dust in gases | |
| DE591945C | Protection device for alternating current machines | |
| DE596388C | Gas dedusting system | |
| DE581059C | Firebox ceiling | |
| US1829445A | Pulverized-fuel furnace and method of operating the same | |
| GB277910A | Improvements in pulverized coal furnaces |