| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | Switzerland | 1 | |
| #4 | Denmark | 1 | |
| #5 | Spain | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Preheating for stem generation | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ellis Julius Nelson | 10 |
| #2 | Julius Nelson Ellis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA194356A | Valve for regulating feed water | |
| GB191507369A | Improvements in Check or Non-return Valves. | |
| CA164116A | Fluid control valve | |
| GB191503669A | Automatic Boiler-feed Admission Regulator. | |
| CA166339A | Valve for boilers | |
| US1188535A | Boiler feed-admission valve. | |
| CA160895A | Boiler feed regulator | |
| GB191326616A | Automatic Steam Regulator for Boiler-feed. | |
| GB190813511A | Improvements in Screw Propellers for Marine Vessels. |