| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Spain | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Fluid heaters | |
| #2 | Burners | |
| #3 | Controlling combustion | |
| #4 | Springs | |
| #5 | Pipes | |
| #6 | Non-positive-displacement pumps | |
| #7 | Heat-exchange device details | |
| #8 | Domestic heating systems | |
| #9 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peter Hafter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES378173A1 | Heat exchanger device. (Machine-translation by Google Translate, not legally binding) | |
| GB1114059A | Improvements in or relating to fuel valve controls for water heaters | |
| ES317018A1 | Improvements in gas burners. (Machine-translation by Google Translate, not legally binding) |