| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Japan | 3 | |
| #4 | France | 2 | |
| #5 | Italy | 2 | |
| #6 | United States | 2 | |
| #7 | Brazil | 1 | |
| #8 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Systems controlling non-electric variables | |
| #2 | Steam traps | |
| #3 | Unspecified technologies | |
| #4 | Venting or aerating devices | |
| #5 | Spring or inertia motors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fear Raymond Keith | 5 |
| #2 | Bridges Robert Edward | 4 |
| #3 | Bridges Robert E | 2 |
| #4 | Robaato Edowaado Buritsujisu | 2 |
| #5 | Reimondo Kiisu Fuia | 1 |
| #6 | Bridges R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2129525A | Drain valves | |
| GB2114741A | Actuators | |
| DE2946848A1 | ELECTRICALLY OPERATED CONDENSATE DRAIN VALVE DEVICE | |
| GB2038032A | Control of a valve |