| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 14 | |
| #2 | Canada | 4 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mautsch Robert | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB525222A | Process and means for heating or cooling rooms | |
| GB510221A | Improvements in or relating to electric resistance elements and process of manufacturing same | |
| DE671736C | Process for the production of an electric heater | |
| CA334936A | Heat exchanger | |
| CA327291A | Heat exchanger | |
| CA333254A | Heat exchange unit | |
| CA335267A | Gilled tube manufacture | |
| DE590313C | Heat exchange device with tubes running parallel to one another and corrugated ribs running transversely to these |