| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 2 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Medical technology | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Combustion residues removal | |
| #2 | Diagnosis and surgery | |
| #3 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rothstein Anton | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB398062A | Method of and means for removing the ash from the collecting hoppers below the fluesof boiler plants and other ash collecting devices | |
| GB177628A | Improvements in flushing apparatus for removing ashes, flue dust and other granular materials |