| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Steam generation | |
| #2 | Burners | |
| #3 | Preheating for stem generation | |
| #4 | Steam engine plants | |
| #5 | Unspecified technologies | |
| #6 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Warren Doble | 9 |
| Publication | Filing date | Title |
|---|---|---|
| GB399493A | Controlling the feed water supply to steam generators and like evaporators | |
| GB391566A | Improvements in liquid fuel and pulverulent fuel burners | |
| US1927206A | Control | |
| US1951352A | Feed fluid controller | |
| US1951350A | Flash boiler control | |
| US1954804A | Valve | |
| US1951351A | Control | |
| US1918326A | Burner | |
| US1951349A | Normalizer control | |
| US1911067A | Steam raiser | |
| US1927204A | Steam power plant |