| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Chemical engineering | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Controlling combustion | |
| #3 | Unspecified technologies | |
| #4 | Fluid fuel combustion | |
| #5 | Electric switches | |
| #6 | Special electric heating or lighting | |
| #7 | Separation | |
| #8 | Feeding fuel to combustion device | |
| #9 | Preheating for stem generation | |
| #10 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Ira E | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US1667057A | Water-feed-control system for boilers | |
| US1667056A | Mercury-contact switch | |
| US1636791A | Oil-burner installation | |
| US1693060A | Thermostatically-controlled damper | |
| US1654615A | Strainer | |
| US1757023A | Oil burner | |
| US1604493A | Automatic cut-off device for oil-burner motors | |
| US1609095A | Oil-burner installation | |
| US1654614A | Initial fuel-oil heating means | |
| US1654613A | Electric switch | |
| US1600568A | Oil-burner-control system | |
| US1594020A | Furnace thermostat switch | |
| US1582552A | Oil burner | |
| US909955A | Pump. | |
| US814091A | Oil-burning system. | |
| US801051A | Couch-truck. |