| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Switzerland | 3 | |
| #3 | Denmark | 3 | |
| #4 | United States | 3 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Domestic heating systems | |
| #2 | Solid fuel combustion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bolze Heinrich Athanasius | 14 |
| #2 | Heinrich Athanasius Bolze | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US898548A | Boiler. | |
| GB190803564A | Improvements in or relating to Sectional Boilers. | |
| US971966A | Hot-water heating apparatus. | |
| GB190422741A | Improvements in Hot Water Heating Systems. | |
| US794157A | Hot-water heating system. |