| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 14 | |
| #2 | Denmark | 8 | |
| #3 | United Kingdom | 8 | |
| #4 | United States | 4 | |
| #5 | Sweden | 3 | |
| #6 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Reichmann H | 6 |
| #2 | Rottmann G | 3 |
| #3 | Hein G | 3 |
| #4 | Sohnchen E | 2 |
| #5 | Meier H | 2 |
| #6 | Keppel E | 2 |
| #7 | Mobus G | 1 |
| #8 | Westphal D | 1 |
| #9 | Moebus H | 1 |
| #10 | Schueler G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2010460A | Pilot gas burner | |
| GB1578398A | Heater arrangement | |
| GB1499045A | Hot water circulating system | |
| GB1499360A | Forced-circulation water heater | |
| US3726258A | Fin heat exchanger | |
| US3763875A | Gas control system with thermoelectric ignition safety device |