| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | France | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Szamatolski Hugo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE555313C | Heat exchange device, in particular reheater | |
| GB229305A | Improvements in or relating to apparatus for separating solid and liquid constituents from gases and vapours |