| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Solid fuel combustion | |
| #4 | Controlling combustion | |
| #5 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bryant Charles L | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1756340A | Low-pressure cut-off | |
| US1649566A | Valve | |
| US1712810A | Heating apparatus | |
| US1717658A | Heating apparatus | |
| US1583122A | Valve-control mechanism | |
| US1567030A | Valve | |
| US1649097A | Heating | |
| CA280437A | Valve | |
| CA288353A | Heating apparatus | |
| CA296084A | Heating system | |
| CA280438A | Fuel valve control mechanism |